xmms-sid: src/xs_curve.c annotate

annotate src/xs_curve.c @ 602:b6c7c26569cc

Updates from curve branch.

author	Matti Hamalainen <ccr@tnsp.org>
date	Thu, 30 Aug 2007 15:08:00 +0000
parents	b37c7f430c3f
children	ce1fe59627f2

rev	line source
554 b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	1 /*
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	2 XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS)
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	3
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	4 XSCurve, a custom Gtk+ spline widget for representing SIDPlay2/reSID
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	5 filter curves in the configuration GUI. Implementation based heavily
602 b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	6 on GtkCurve from Gtk+ 1.2.10 (C) 1997 David Mosberger & Gtk-team.
554 b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	7 Spline formula from reSID 0.16 (C) 2004 Dag Lem.
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	8
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	9 Programmed by Matti 'ccr' Hamalainen <ccr@tnsp.org>
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	10 (C) Copyright 2006-2007 Tecnic Software productions (TNSP)
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	11
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	12 This program is free software; you can redistribute it and/or modify
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	13 it under the terms of the GNU General Public License as published by
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	14 the Free Software Foundation; either version 2 of the License, or
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	15 (at your option) any later version.
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	16
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	17 This program is distributed in the hope that it will be useful,
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	18 but WITHOUT ANY WARRANTY; without even the implied warranty of
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	20 GNU General Public License for more details.
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	21
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	22 You should have received a copy of the GNU General Public License along
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	23 with this program; if not, write to the Free Software Foundation, Inc.,
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	24 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
b37c7f430c3f Copyright header. Matti Hamalainen <ccr@tnsp.org> parents: 545 diff changeset	25 */
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	26 #include <stdlib.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	27 #include <string.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	28 #include <math.h>
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	29 #include <stdio.h>
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	30 #include "xs_curve.h"
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	31 #include <gtk/gtkdrawingarea.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	32 #include <gtk/gtkmain.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	33 #include <gtk/gtksignal.h>
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	34
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	35
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	36 #define RADIUS 3 /* radius of the control points */
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	37 #define RADIUS2 (RADIUS * 2)
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	38 #define MIN_DISTANCE 7 /* min distance between control points */
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	39
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	40
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	41 #define GRAPH_MASK (GDK_EXPOSURE_MASK \| \
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	42 GDK_POINTER_MOTION_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	43 GDK_POINTER_MOTION_HINT_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	44 GDK_ENTER_NOTIFY_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	45 GDK_BUTTON_PRESS_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	46 GDK_BUTTON_RELEASE_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	47 GDK_BUTTON1_MOTION_MASK)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	48
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	49 #define GET_X(i) curve->ctlpoints[i].x
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	50 #define GET_Y(i) curve->ctlpoints[i].y
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	51
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	52
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	53 enum {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	54 ARG_0,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	55 ARG_MIN_X,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	56 ARG_MAX_X,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	57 ARG_MIN_Y,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	58 ARG_MAX_Y
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	59 };
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	60
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	61 static GtkDrawingAreaClass *parent_class = NULL;
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	62
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	63 static void xs_curve_class_init(XSCurveClass * class);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	64 static void xs_curve_init(XSCurve * curve);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	65 static void xs_curve_set_arg(GtkObject * object, GtkArg * arg, guint arg_id);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	66 static void xs_curve_get_arg(GtkObject * object, GtkArg * arg, guint arg_id);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	67 static void xs_curve_finalize(GtkObject * object);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	68 static gint xs_curve_graph_events(GtkWidget * widget, GdkEvent * event, XSCurve * c);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	69 static void xs_curve_size_graph(XSCurve * curve);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	70
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	71
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	72 GtkType xs_curve_get_type(void)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	73 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	74 static GtkType curve_type = 0;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	75
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	76 if (!curve_type) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	77 static const GtkTypeInfo curve_info = {
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	78 "XSCurve",
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	79 sizeof(XSCurve),
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	80 sizeof(XSCurveClass),
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	81 (GtkClassInitFunc) xs_curve_class_init,
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	82 (GtkObjectInitFunc) xs_curve_init,
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	83 /* reserved_1 */ NULL,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	84 /* reserved_2 */ NULL,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	85 (GtkClassInitFunc) NULL,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	86 };
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	87
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	88 curve_type = gtk_type_unique(GTK_TYPE_DRAWING_AREA, &curve_info);
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	89 }
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	90 return curve_type;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	91 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	92
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	93
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	94 static void xs_curve_class_init(XSCurveClass *class)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	95 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	96 GtkObjectClass *object_class;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	97
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	98 parent_class = gtk_type_class(GTK_TYPE_DRAWING_AREA);
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	99
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	100 object_class = (GtkObjectClass *) class;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	101
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	102 object_class->set_arg = xs_curve_set_arg;
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	103 object_class->get_arg = xs_curve_get_arg;
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	104 object_class->finalize = xs_curve_finalize;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	105
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	106 gtk_object_add_arg_type("XSCurve::min_x", GTK_TYPE_FLOAT, GTK_ARG_READWRITE, ARG_MIN_X);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	107 gtk_object_add_arg_type("XSCurve::max_x", GTK_TYPE_FLOAT, GTK_ARG_READWRITE, ARG_MAX_X);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	108 gtk_object_add_arg_type("XSCurve::min_y", GTK_TYPE_FLOAT, GTK_ARG_READWRITE, ARG_MIN_Y);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	109 gtk_object_add_arg_type("XSCurve::max_y", GTK_TYPE_FLOAT, GTK_ARG_READWRITE, ARG_MAX_Y);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	110 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	111
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	112
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	113 static void xs_curve_init(XSCurve *curve)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	114 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	115 gint old_mask;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	116
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	117 curve->pixmap = NULL;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	118 curve->grab_point = -1;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	119
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	120 curve->nctlpoints = 0;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	121 curve->ctlpoints = NULL;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	122
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	123 curve->min_x = 0.0;
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	124 curve->max_x = 2047.0;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	125 curve->min_y = 0.0;
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	126 curve->max_y = 24000.0;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	127
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	128 old_mask = gtk_widget_get_events(GTK_WIDGET(curve));
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	129 gtk_widget_set_events(GTK_WIDGET(curve), old_mask \| GRAPH_MASK);
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	130 gtk_signal_connect(GTK_OBJECT(curve), "event", (GtkSignalFunc) xs_curve_graph_events, curve);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	131 xs_curve_size_graph(curve);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	132 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	133
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	134
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	135 static void xs_curve_set_arg(GtkObject object, GtkArg arg, guint arg_id)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	136 {
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	137 XSCurve *curve = XS_CURVE(object);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	138
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	139 switch (arg_id) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	140 case ARG_MIN_X:
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	141 xs_curve_set_range(curve, GTK_VALUE_FLOAT(*arg), curve->max_x, curve->min_y, curve->max_y);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	142 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	143 case ARG_MAX_X:
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	144 xs_curve_set_range(curve, curve->min_x, GTK_VALUE_FLOAT(*arg), curve->min_y, curve->max_y);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	145 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	146 case ARG_MIN_Y:
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	147 xs_curve_set_range(curve, curve->min_x, curve->max_x, GTK_VALUE_FLOAT(*arg), curve->max_y);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	148 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	149 case ARG_MAX_Y:
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	150 xs_curve_set_range(curve, curve->min_x, curve->max_x, curve->min_y, GTK_VALUE_FLOAT(*arg));
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	151 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	152 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	153 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	154
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	155
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	156 static void xs_curve_get_arg(GtkObject object, GtkArg arg, guint arg_id)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	157 {
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	158 XSCurve *curve = XS_CURVE(object);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	159
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	160 switch (arg_id) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	161 case ARG_MIN_X:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	162 GTK_VALUE_FLOAT(*arg) = curve->min_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	163 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	164 case ARG_MAX_X:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	165 GTK_VALUE_FLOAT(*arg) = curve->max_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	166 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	167 case ARG_MIN_Y:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	168 GTK_VALUE_FLOAT(*arg) = curve->min_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	169 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	170 case ARG_MAX_Y:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	171 GTK_VALUE_FLOAT(*arg) = curve->max_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	172 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	173 default:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	174 arg->type = GTK_TYPE_INVALID;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	175 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	176 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	177 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	178
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	179
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	180 static int xs_project(gfloat value, gfloat min, gfloat max, int norm)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	181 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	182 return (norm - 1) * ((value - min) / (max - min)) + 0.5;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	183 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	184
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	185
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	186 static gfloat xs_unproject(gint value, gfloat min, gfloat max, int norm)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	187 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	188 return value / (gfloat) (norm - 1) * (max - min) + min;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	189 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	190
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	191
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	192 static inline void xs_cubic_coeff(gfloat x1, gfloat y1,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	193 gfloat x2, gfloat y2,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	194 gfloat k1, gfloat k2,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	195 gfloat a, gfloat b,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	196 gfloat c, gfloat d)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	197 {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	198 gfloat dx = x2 - x1, dy = y2 - y1;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	199
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	200 a = ((k1 + k2) - 2 dy / dx) / (dx * dx);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	201 b = ((k2 - k1) / dx - 3 (x1 + x2) * (*a)) / 2;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	202 c = k1 - (3 x1 * (a) + 2 (b)) x1;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	203 d = y1 - ((x1 (a) + (b)) * x1 + (c)) x1;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	204 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	205
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	206
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	207 static void xs_curve_draw(XSCurve *curve, gint width, gint height)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	208 {
602 b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	209 gfloat res = 5.0f;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	210 GtkStateType state;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	211 GtkStyle *style;
602 b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	212 gint i, ox = -1, oy = -1;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	213 t_xs_point p0, p1, p2, p3;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	214
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	215 if (!curve->pixmap)
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	216 return;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	217
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	218 state = GTK_STATE_NORMAL;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	219 if (!GTK_WIDGET_IS_SENSITIVE(GTK_WIDGET(curve)))
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	220 state = GTK_STATE_INSENSITIVE;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	221
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	222 style = GTK_WIDGET(curve)->style;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	223
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	224 /* Clear the pixmap */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	225 gtk_paint_flat_box(style, curve->pixmap,
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	226 GTK_STATE_NORMAL, GTK_SHADOW_NONE,
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	227 NULL, GTK_WIDGET(curve), "curve_bg",
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	228 0, 0,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	229 width + RADIUS2,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	230 height + RADIUS2);
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	231
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	232
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	233 /* Draw the grid */
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	234 for (i = 0; i < 5; i++) {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	235 gdk_draw_line(curve->pixmap, style->dark_gc[state],
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	236 RADIUS, i * (height / 4.0) + RADIUS,
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	237 width + RADIUS, i * (height / 4.0) + RADIUS);
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	238
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	239 gdk_draw_line(curve->pixmap, style->dark_gc[state],
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	240 i * (width / 4.0) + RADIUS, RADIUS,
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	241 i * (width / 4.0) + RADIUS, height + RADIUS);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	242 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	243
520 81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	244 #if 1
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	245 /* Draw the spline/curve itself */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	246 p0 = curve->ctlpoints;
520 81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	247 p1 = p0;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	248 p2 = p1; p2++;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	249 p3 = p2; p3++;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	250
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	251 /* Draw each curve segment */
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	252 if (curve->nctlpoints > 5)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	253 for (i = 0; i < curve->nctlpoints; i++, ++p0, ++p1, ++p2, ++p3) {
602 b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	254 gint n;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	255 gfloat k1, k2, a, b, c, d, x;
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	256
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	257 if (p1->x == p2->x)
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	258 continue;
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	259
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	260 if (p0->x == p1->x && p2->x == p3->x) {
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	261 k1 = k2 = (p2->y - p1->y) / (p2->x - p1->x);
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	262 } else if (p0->x == p1->x) {
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	263 k2 = (p3->y - p1->y) / (p3->x - p1->x);
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	264 k1 = (3 * (p2->y - p1->y) / (p2->x - p1->x) - k2) / 2;
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	265 } else if (p2->x == p3->x) {
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	266 k1 = (p2->y - p0->y) / (p2->x - p0->x);
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	267 k2 = (3 * (p2->y - p1->y) / (p2->x - p1->x) - k1) / 2;
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	268 } else {
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	269 k1 = (p2->y - p0->y) / (p2->x - p0->x);
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	270 k2 = (p3->y - p1->y) / (p3->x - p1->x);
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	271 }
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	272
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	273 xs_cubic_coeff(p1->x, p1->y, p2->x, p2->y, k1, k2, &a, &b, &c, &d);
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	274
602 b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	275 for (x = p1->x; x <= p2->x; x += res, n++) {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	276 gfloat y = ((a * x + b) * x + c) * x + d;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	277 gint qx, qy;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	278 qx = RADIUS + xs_project(x, curve->min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	279 qy = RADIUS + xs_project(y, curve->min_y, curve->max_y, height);
602 b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	280
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	281 if (ox != -1) {
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	282 gdk_draw_line(curve->pixmap, style->fg_gc[state],
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	283 ox, oy, qx, qy);
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	284 }
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	285 ox = qx; oy = qy;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	286 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	287 }
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	288
520 81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	289 #endif
81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	290
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	291 /* Draw control points */
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	292 for (i = 0; i < curve->nctlpoints; ++i) {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	293 gint x, y;
602 b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	294 GtkStateType cstate;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	295
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	296 if (GET_X(i) < curve->min_x \|\| GET_Y(i) < curve->min_y \|\|
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	297 GET_X(i) >= curve->max_x \|\| GET_Y(i) >= curve->max_y)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	298 continue;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	299
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	300 x = xs_project(GET_X(i), curve->min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	301 y = xs_project(GET_Y(i), curve->min_y, curve->max_y, height);
602 b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	302
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	303 if (i == curve->grab_point) {
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	304 cstate = GTK_STATE_SELECTED;
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	305 gdk_draw_line(curve->pixmap, style->fg_gc[cstate],
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	306 x + RADIUS, RADIUS, x + RADIUS, height + RADIUS);
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	307 gdk_draw_line(curve->pixmap, style->fg_gc[cstate],
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	308 RADIUS, y + RADIUS, width + RADIUS, y + RADIUS);
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	309 } else
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	310 cstate = state;
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	311
b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	312 gdk_draw_arc(curve->pixmap, style->fg_gc[cstate], TRUE,
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	313 x, y, RADIUS2, RADIUS2, 0, 360 * 64);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	314 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	315
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	316 /* Draw pixmap in the widget */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	317 gdk_draw_pixmap(GTK_WIDGET(curve)->window,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	318 style->fg_gc[state], curve->pixmap,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	319 0, 0, 0, 0,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	320 width + RADIUS2,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	321 height + RADIUS2);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	322 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	323
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	324
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	325 static gint xs_curve_graph_events(GtkWidget widget, GdkEvent event, XSCurve *curve)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	326 {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	327 GdkCursorType new_type = curve->cursor_type;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	328 GdkEventButton *bevent;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	329 GtkWidget *w;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	330 gint i, width, height, x, y, tx, ty, cx, closest_point = 0, min_x;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	331 guint distance;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	332
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	333 w = GTK_WIDGET(curve);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	334 width = w->allocation.width - RADIUS2;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	335 height = w->allocation.height - RADIUS2;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	336
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	337 if ((width < 0) \|\| (height < 0))
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	338 return FALSE;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	339
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	340 /* get the pointer position */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	341 gdk_window_get_pointer(w->window, &tx, &ty, NULL);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	342 x = CLAMP((tx - RADIUS), 0, width - 1);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	343 y = CLAMP((ty - RADIUS), 0, height - 1);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	344 min_x = curve->min_x;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	345
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	346 distance = ~0U;
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	347 for (i = 0; i < curve->nctlpoints; ++i) {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	348 cx = xs_project(GET_X(i), min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	349 if ((guint) abs(x - cx) < distance) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	350 distance = abs(x - cx);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	351 closest_point = i;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	352 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	353 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	354
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	355 /* Act based on event type */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	356 switch (event->type) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	357 case GDK_CONFIGURE:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	358 if (curve->pixmap)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	359 gdk_pixmap_unref(curve->pixmap);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	360 curve->pixmap = 0;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	361
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	362 /* fall through */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	363
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	364 case GDK_EXPOSE:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	365 if (!curve->pixmap) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	366 curve->pixmap = gdk_pixmap_new(w->window,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	367 w->allocation.width, w->allocation.height, -1);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	368 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	369 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	370 break;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	371
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	372 case GDK_BUTTON_PRESS:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	373 gtk_grab_add(widget);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	374
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	375 bevent = (GdkEventButton *) event;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	376 new_type = GDK_TCROSS;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	377
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	378 if (distance > MIN_DISTANCE) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	379 /* insert a new control point */
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	380 if (curve->nctlpoints > 0) {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	381 cx = xs_project(GET_X(closest_point), min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	382 if (x > cx) closest_point++;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	383 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	384
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	385 curve->nctlpoints++;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	386
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	387 curve->ctlpoints = g_realloc(curve->ctlpoints,
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	388 curve->nctlpoints * sizeof(*curve->ctlpoints));
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	389
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	390 for (i = curve->nctlpoints - 1; i > closest_point; --i) {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	391 memcpy(curve->ctlpoints + i,
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	392 curve->ctlpoints + i - 1,
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	393 sizeof(*curve->ctlpoints));
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	394 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	395 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	396
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	397 curve->grab_point = closest_point;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	398 GET_X(curve->grab_point) = xs_unproject(x, min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	399 GET_Y(curve->grab_point) = xs_unproject(y, curve->min_y, curve->max_y, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	400
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	401 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	402 break;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	403
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	404 case GDK_BUTTON_RELEASE:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	405 {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	406 gint src, dst;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	407
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	408 gtk_grab_remove(widget);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	409
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	410 /* delete inactive points: */
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	411 for (src = dst = 0; src < curve->nctlpoints; ++src) {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	412 if (GET_X(src) >= min_x) {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	413 memcpy(curve->ctlpoints + dst,
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	414 curve->ctlpoints + src,
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	415 sizeof(*curve->ctlpoints));
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	416 dst++;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	417 }
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	418 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	419
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	420 if (dst < src) {
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	421 curve->nctlpoints -= (src - dst);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	422 if (curve->nctlpoints <= 0) {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	423 curve->nctlpoints = 1;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	424 GET_X(0) = min_x;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	425 GET_Y(0) = curve->min_y;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	426 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	427 }
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	428 curve->ctlpoints = g_realloc(curve->ctlpoints,
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	429 curve->nctlpoints * sizeof(*curve->ctlpoints));
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	430 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	431
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	432 new_type = GDK_FLEUR;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	433 curve->grab_point = -1;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	434 }
602 b6c7c26569cc Updates from curve branch. Matti Hamalainen <ccr@tnsp.org> parents: 554 diff changeset	435 xs_curve_draw(curve, width, height);
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	436 break;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	437
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	438 case GDK_MOTION_NOTIFY:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	439 if (curve->grab_point == -1) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	440 /* if no point is grabbed... */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	441 if (distance <= MIN_DISTANCE)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	442 new_type = GDK_FLEUR;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	443 else
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	444 new_type = GDK_TCROSS;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	445 } else {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	446 gint leftbound, rightbound;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	447
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	448 /* drag the grabbed point */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	449 new_type = GDK_TCROSS;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	450
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	451 leftbound = -MIN_DISTANCE;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	452 if (curve->grab_point > 0) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	453 leftbound = xs_project(
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	454 GET_X(curve->grab_point-1),
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	455 min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	456 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	457
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	458 rightbound = width + RADIUS2 + MIN_DISTANCE;
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	459 if (curve->grab_point + 1 < curve->nctlpoints) {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	460 rightbound = xs_project(
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	461 GET_X(curve->grab_point+1),
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	462 min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	463 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	464
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	465 if ((tx <= leftbound) \|\| (tx >= rightbound) \|\|
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	466 (ty > height + RADIUS2 + MIN_DISTANCE) \|\| (ty < -MIN_DISTANCE)) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	467 GET_X(curve->grab_point) = min_x - 1.0;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	468 } else {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	469 GET_X(curve->grab_point) =
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	470 xs_unproject(x, min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	471 GET_Y(curve->grab_point) =
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	472 xs_unproject(y, curve->min_y, curve->max_y, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	473 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	474
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	475 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	476 }
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	477
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	478 /* See if cursor type was changed and update accordingly */
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	479 if (new_type != (GdkCursorType) curve->cursor_type) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	480 GdkCursor *cursor;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	481 curve->cursor_type = new_type;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	482 cursor = gdk_cursor_new(curve->cursor_type);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	483 gdk_window_set_cursor(w->window, cursor);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	484 gdk_cursor_destroy(cursor);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	485 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	486 break;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	487
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	488 default:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	489 break;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	490 }
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	491
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	492 return FALSE;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	493 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	494
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	495
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	496 static void xs_curve_size_graph(XSCurve *curve)
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	497 {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	498 gint width, height;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	499 gfloat aspect;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	500
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	501 width = (curve->max_x - curve->min_x) + 1;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	502 height = (curve->max_y - curve->min_y) + 1;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	503 aspect = width / (gfloat) height;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	504
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	505 if (width > gdk_screen_width() / 4)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	506 width = gdk_screen_width() / 4;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	507
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	508 if (height > gdk_screen_height() / 4)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	509 height = gdk_screen_height() / 4;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	510
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	511 if (aspect < 1.0)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	512 width = height * aspect;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	513 else
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	514 height = width / aspect;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	515
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	516 gtk_drawing_area_size(GTK_DRAWING_AREA(curve), width + RADIUS2, height + RADIUS2);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	517 }
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	518
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	519
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	520 static void xs_curve_update(XSCurve *curve)
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	521 {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	522 if (curve->pixmap) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	523 gint width, height;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	524
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	525 width = GTK_WIDGET(curve)->allocation.width - RADIUS2;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	526 height = GTK_WIDGET(curve)->allocation.height - RADIUS2;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	527 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	528 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	529 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	530
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	531
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	532 void xs_curve_reset(XSCurve *curve)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	533 {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	534 if (curve->ctlpoints)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	535 g_free(curve->ctlpoints);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	536
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	537 curve->nctlpoints = 4;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	538 curve->ctlpoints = g_malloc(curve->nctlpoints * sizeof(curve->ctlpoints[0]));
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	539
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	540 GET_X(0) = curve->min_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	541 GET_Y(0) = curve->min_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	542 GET_X(1) = curve->min_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	543 GET_Y(1) = curve->min_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	544
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	545 GET_X(2) = curve->max_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	546 GET_Y(2) = curve->max_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	547 GET_X(3) = curve->max_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	548 GET_Y(3) = curve->max_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	549
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	550 xs_curve_update(curve);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	551 }
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	552
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	553
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	554 void xs_curve_set_range(XSCurve *curve, gfloat min_x, gfloat min_y, gfloat max_x, gfloat max_y)
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	555 {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	556 curve->min_x = min_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	557 curve->max_x = max_x;
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	558
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	559 curve->min_y = min_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	560 curve->max_y = max_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	561
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	562 xs_curve_size_graph(curve);
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	563 xs_curve_reset(curve);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	564 }
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	565
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	566
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	567 gboolean xs_curve_realloc_data(XSCurve *curve, gint npoints)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	568 {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	569 if (npoints != curve->nctlpoints) {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	570 curve->nctlpoints = npoints;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	571 curve->ctlpoints = (t_xs_point *) g_realloc(curve->ctlpoints,
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	572 curve->nctlpoints * sizeof(*curve->ctlpoints));
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	573
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	574 if (curve->ctlpoints == NULL)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	575 return FALSE;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	576 }
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	577
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	578 return TRUE;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	579 }
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	580
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	581
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	582 void xs_curve_get_data(XSCurve curve, t_xs_point points, gint npoints)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	583 {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	584 *points = &(curve->ctlpoints);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	585 *npoints = &(curve->nctlpoints);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	586 }
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	587
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	588
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	589 gboolean xs_curve_set_points(XSCurve curve, t_xs_int_point points, gint npoints)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	590 {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	591 gint i;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	592
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	593 if (!xs_curve_realloc_data(curve, npoints + 4))
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	594 return FALSE;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	595
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	596 GET_X(0) = curve->min_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	597 GET_Y(0) = curve->min_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	598 GET_X(1) = curve->min_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	599 GET_Y(1) = curve->min_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	600
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	601 for (i = 0; i < npoints; i++) {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	602 GET_X(i+2) = points[i].x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	603 GET_Y(i+2) = points[i].y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	604 }
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	605
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	606 GET_X(npoints+2) = curve->max_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	607 GET_Y(npoints+2) = curve->max_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	608 GET_X(npoints+3) = curve->max_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	609 GET_Y(npoints+3) = curve->max_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	610
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	611 xs_curve_update(curve);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	612 return TRUE;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	613 }
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	614
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	615
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	616 gboolean xs_curve_get_points(XSCurve curve, t_xs_int_point points, gint npoints)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	617 {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	618 gint i, n;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	619
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	620 n = curve->nctlpoints - 4;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	621
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	622 points = g_malloc(n sizeof(t_xs_int_point));
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	623 if (*points == NULL)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	624 return FALSE;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	625
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	626 *npoints = n;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	627 for (i = 2; i < curve->nctlpoints - 2; i++) {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	628 (*points)[i].x = GET_X(i);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	629 (*points)[i].y = GET_Y(i);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	630 }
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	631
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	632 return TRUE;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	633 }
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	634
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	635
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	636 GtkWidget *xs_curve_new(void)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	637 {
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	638 return gtk_type_new(xs_curve_get_type());
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	639 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	640
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	641
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	642 static void xs_curve_finalize(GtkObject *object)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	643 {
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	644 XSCurve *curve;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	645
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	646 g_return_if_fail(object != NULL);
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	647 g_return_if_fail(XS_IS_CURVE(object));
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	648
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	649 curve = XS_CURVE(object);
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	650
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	651 if (curve->pixmap)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	652 gdk_pixmap_unref(curve->pixmap);
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	653
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	654 if (curve->ctlpoints)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	655 g_free(curve->ctlpoints);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	656
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	657 (*GTK_OBJECT_CLASS(parent_class)->finalize) (object);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	658 }

Mercurial > hg > xmms-sid

annotate src/xs_curve.c @ 602:b6c7c26569cc