xmms-sid: src/xs_curve.c annotate

annotate src/xs_curve.c @ 545:425da926d310

Working on XSCurve widget implementation.

author	Matti Hamalainen <ccr@tnsp.org>
date	Fri, 23 Feb 2007 05:10:00 +0000
parents	81481e59e195
children	b37c7f430c3f

rev	line source
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	1 /*
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	2 *
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	3 *
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	4 *
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	5 */
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	6 #include <stdlib.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	7 #include <string.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	8 #include <math.h>
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	9 #include <stdio.h>
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	10 #include "xs_curve.h"
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	11 #include <gtk/gtkdrawingarea.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	12 #include <gtk/gtkmain.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	13 #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	14
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	15
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	16 #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	17 #define RADIUS2 (RADIUS * 2)
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	18 #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	19
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	20
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	21 #define GRAPH_MASK (GDK_EXPOSURE_MASK \| \
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	22 GDK_POINTER_MOTION_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	23 GDK_POINTER_MOTION_HINT_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	24 GDK_ENTER_NOTIFY_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	25 GDK_BUTTON_PRESS_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	26 GDK_BUTTON_RELEASE_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	27 GDK_BUTTON1_MOTION_MASK)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	28
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	29 #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	30 #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	31
982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	32
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	33 enum {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	34 ARG_0,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	35 ARG_MIN_X,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	36 ARG_MAX_X,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	37 ARG_MIN_Y,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	38 ARG_MAX_Y
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	39 };
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 static GtkDrawingAreaClass *parent_class = NULL;
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	42
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	43 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	44 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	45 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	46 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	47 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	48 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	49 static void xs_curve_size_graph(XSCurve * curve);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	50
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	51
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	52 GtkType xs_curve_get_type(void)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	53 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	54 static GtkType curve_type = 0;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	55
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	56 if (!curve_type) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	57 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	58 "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	59 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	60 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	61 (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	62 (GtkObjectInitFunc) xs_curve_init,
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	63 /* reserved_1 */ NULL,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	64 /* reserved_2 */ NULL,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	65 (GtkClassInitFunc) NULL,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	66 };
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	67
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	68 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	69 }
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	70 return curve_type;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	71 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	72
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	73
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	74 static void xs_curve_class_init(XSCurveClass *class)
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 GtkObjectClass *object_class;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	77
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	78 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	79
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	80 object_class = (GtkObjectClass *) class;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	81
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	82 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	83 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	84 object_class->finalize = xs_curve_finalize;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	85
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	86 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	87 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	88 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	89 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	90 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	91
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	92
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	93 static void xs_curve_init(XSCurve *curve)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	94 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	95 gint old_mask;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	96
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	97 curve->pixmap = NULL;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	98 curve->height = 0;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	99 curve->grab_point = -1;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	100
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	101 curve->nctlpoints = 0;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	102 curve->ctlpoints = NULL;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	103
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	104 curve->min_x = 0.0;
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	105 curve->max_x = 2047.0;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	106 curve->min_y = 0.0;
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	107 curve->max_y = 24000.0;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	108
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	109 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	110 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	111 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	112 xs_curve_size_graph(curve);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	113 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	114
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	115
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	116 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	117 {
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	118 XSCurve *curve = XS_CURVE(object);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	119
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	120 switch (arg_id) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	121 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	122 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	123 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	124 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	125 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	126 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	127 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	128 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	129 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	130 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	131 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	132 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	133 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	134 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	135
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	136
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	137 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	138 {
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	139 XSCurve *curve = XS_CURVE(object);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	140
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	141 switch (arg_id) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	142 case ARG_MIN_X:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	143 GTK_VALUE_FLOAT(*arg) = curve->min_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	144 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	145 case ARG_MAX_X:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	146 GTK_VALUE_FLOAT(*arg) = curve->max_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	147 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	148 case ARG_MIN_Y:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	149 GTK_VALUE_FLOAT(*arg) = curve->min_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	150 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	151 case ARG_MAX_Y:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	152 GTK_VALUE_FLOAT(*arg) = curve->max_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	153 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	154 default:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	155 arg->type = GTK_TYPE_INVALID;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	156 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	157 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	158 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	159
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	160
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	161 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	162 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	163 return (norm - 1) * ((value - min) / (max - min)) + 0.5;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	164 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	165
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	166
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	167 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	168 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	169 return value / (gfloat) (norm - 1) * (max - min) + min;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	170 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	171
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	172
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	173 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	174 gfloat x2, gfloat y2,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	175 gfloat k1, gfloat k2,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	176 gfloat a, gfloat b,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	177 gfloat c, gfloat d)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	178 {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	179 gfloat dx = x2 - x1, dy = y2 - y1;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	180
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	181 a = ((k1 + k2) - 2 dy / dx) / (dx * dx);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	182 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	183 c = k1 - (3 x1 * (a) + 2 (b)) x1;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	184 d = y1 - ((x1 (a) + (b)) * x1 + (c)) x1;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	185 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	186
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	187
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	188 static void xs_curve_draw(XSCurve *curve, gint width, gint height)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	189 {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	190 gfloat res = 10.0f;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	191 GtkStateType state;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	192 GtkStyle *style;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	193 gint i;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	194 t_xs_point p0, p1, p2, p3;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	195
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	196 if (!curve->pixmap)
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	197 return;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	198
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	199 state = GTK_STATE_NORMAL;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	200 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	201 state = GTK_STATE_INSENSITIVE;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	202
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	203 style = GTK_WIDGET(curve)->style;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	204
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	205 /* Clear the pixmap */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	206 gtk_paint_flat_box(style, curve->pixmap,
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	207 GTK_STATE_NORMAL, GTK_SHADOW_NONE,
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	208 NULL, GTK_WIDGET(curve), "curve_bg",
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	209 0, 0,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	210 width + RADIUS2,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	211 height + RADIUS2);
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	212
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	213
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	214 /* Draw the grid */
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	215 for (i = 0; i < 5; i++) {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	216 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	217 RADIUS, i * (height / 4.0) + RADIUS,
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	218 width + RADIUS, i * (height / 4.0) + RADIUS);
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	219
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	220 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	221 i * (width / 4.0) + RADIUS, RADIUS,
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	222 i * (width / 4.0) + RADIUS, height + RADIUS);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	223 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	224
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	225 #define Qprintf(x,y,...)
520 81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	226
81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	227 #if 1
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	228 /* Draw the spline/curve itself */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	229 p0 = curve->ctlpoints;
520 81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	230 p1 = p0;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	231 p2 = p1; p2++;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	232 p3 = p2; p3++;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	233
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	234 /* Draw each curve segment */
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	235 Qprintf(stderr, "-- npoints = %d\n", curve->nctlpoints);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	236 if (curve->nctlpoints > 5)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	237 for (i = 0; i < curve->nctlpoints; i++, ++p0, ++p1, ++p2, ++p3) {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	238 gfloat k1, k2, a, b, c, d, x;
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	239
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	240 Qprintf(stderr, "#%d: ", i);
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	241 if (p1->x == p2->x)
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	242 continue;
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	243 #define PPASK(q, p) Qprintf(stderr, q "=[%1.3f, %1.3f] ", p->x, p->y)
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	244
520 81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	245 PPASK("p0", p1);
81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	246 PPASK("p1", p1);
81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	247 PPASK("p2", p2);
81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	248 PPASK("p3", p3);
81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	249
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	250 Qprintf(stderr, "\ncase #");
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	251 if (p0->x == p1->x && p2->x == p3->x) {
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	252 Qprintf(stderr, "1");
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	253 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	254 } else if (p0->x == p1->x) {
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	255 Qprintf(stderr, "2");
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	256 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	257 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	258 } else if (p2->x == p3->x) {
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	259 Qprintf(stderr, "3");
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	260 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	261 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	262 } else {
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	263 Qprintf(stderr, "4");
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	264 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	265 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	266 }
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	267
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	268 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	269
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	270 Qprintf(stderr, " seg[%1.3f, %1.3f] => [%1.3f, %1.3f] k1=%1.3f, k2=%1.3f\n\n",
520 81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	271 p1->x, p1->y,
81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	272 p2->x, p2->y,
81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	273 k1, k2);
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	274
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	275 for (x = p1->x; x <= p2->x; x += res) {
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);
520 81481e59e195 Almost working. Matti Hamalainen <ccr@tnsp.org> parents: 514 diff changeset	280
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	281 gdk_draw_point(curve->pixmap, style->fg_gc[state],
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	282 RADIUS + xs_project(x, curve->min_x, curve->max_x, width),
514 982cec405ef0 Cleaned up the drawing function a bit. Matti Hamalainen <ccr@tnsp.org> parents: 502 diff changeset	283 RADIUS + xs_project(y, curve->min_y, curve->max_y, height));
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	284
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	285 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	286 }
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	287
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	288 Qprintf(stderr, "-------\n");
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;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	294
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	295 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	296 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	297 continue;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	298
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	299 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	300 y = xs_project(GET_Y(i), curve->min_y, curve->max_y, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	301
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	302 gdk_draw_arc(curve->pixmap, style->fg_gc[state], TRUE,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	303 x, y, RADIUS2, RADIUS2, 0, 360 * 64);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	304 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	305
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	306 /* Draw pixmap in the widget */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	307 gdk_draw_pixmap(GTK_WIDGET(curve)->window,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	308 style->fg_gc[state], curve->pixmap,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	309 0, 0, 0, 0,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	310 width + RADIUS2,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	311 height + RADIUS2);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	312 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	313
502 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 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	316 {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	317 GdkCursorType new_type = curve->cursor_type;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	318 GdkEventButton *bevent;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	319 GtkWidget *w;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	320 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	321 guint distance;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	322
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	323 w = GTK_WIDGET(curve);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	324 width = w->allocation.width - RADIUS2;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	325 height = w->allocation.height - RADIUS2;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	326
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	327 if ((width < 0) \|\| (height < 0))
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	328 return FALSE;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	329
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	330 /* get the pointer position */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	331 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	332 x = CLAMP((tx - RADIUS), 0, width - 1);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	333 y = CLAMP((ty - RADIUS), 0, height - 1);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	334 min_x = curve->min_x;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	335
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	336 distance = ~0U;
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	337 for (i = 0; i < curve->nctlpoints; ++i) {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	338 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	339 if ((guint) abs(x - cx) < distance) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	340 distance = abs(x - cx);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	341 closest_point = i;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	342 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	343 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	344
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	345 /* Act based on event type */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	346 switch (event->type) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	347 case GDK_CONFIGURE:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	348 if (curve->pixmap)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	349 gdk_pixmap_unref(curve->pixmap);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	350 curve->pixmap = 0;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	351
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	352 /* fall through */
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 case GDK_EXPOSE:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	355 if (!curve->pixmap) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	356 curve->pixmap = gdk_pixmap_new(w->window,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	357 w->allocation.width, w->allocation.height, -1);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	358 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	359 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	360 break;
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 case GDK_BUTTON_PRESS:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	363 gtk_grab_add(widget);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	364
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	365 bevent = (GdkEventButton *) event;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	366 new_type = GDK_TCROSS;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	367
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	368 if (distance > MIN_DISTANCE) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	369 /* insert a new control point */
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	370 if (curve->nctlpoints > 0) {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	371 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	372 if (x > cx) closest_point++;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	373 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	374
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	375 curve->nctlpoints++;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	376
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	377 curve->ctlpoints = g_realloc(curve->ctlpoints,
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	378 curve->nctlpoints * sizeof(*curve->ctlpoints));
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	379
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	380 for (i = curve->nctlpoints - 1; i > closest_point; --i) {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	381 memcpy(curve->ctlpoints + i,
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	382 curve->ctlpoints + i - 1,
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	383 sizeof(*curve->ctlpoints));
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	384 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	385 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	386
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	387 curve->grab_point = closest_point;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	388 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	389 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	390
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	391 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	392 break;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	393
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	394 case GDK_BUTTON_RELEASE:
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 gint src, dst;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	397
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	398 gtk_grab_remove(widget);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	399
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	400 /* delete inactive points: */
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	401 for (src = dst = 0; src < curve->nctlpoints; ++src) {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	402 if (GET_X(src) >= min_x) {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	403 memcpy(curve->ctlpoints + dst,
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	404 curve->ctlpoints + src,
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	405 sizeof(*curve->ctlpoints));
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	406 dst++;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	407 }
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	408 }
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 if (dst < src) {
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	411 curve->nctlpoints -= (src - dst);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	412 if (curve->nctlpoints <= 0) {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	413 curve->nctlpoints = 1;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	414 GET_X(0) = min_x;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	415 GET_Y(0) = curve->min_y;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	416 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	417 }
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	418 curve->ctlpoints = g_realloc(curve->ctlpoints,
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	419 curve->nctlpoints * sizeof(*curve->ctlpoints));
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	420 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	421
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	422 new_type = GDK_FLEUR;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	423 curve->grab_point = -1;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	424 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	425 break;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	426
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	427 case GDK_MOTION_NOTIFY:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	428 if (curve->grab_point == -1) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	429 /* if no point is grabbed... */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	430 if (distance <= MIN_DISTANCE)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	431 new_type = GDK_FLEUR;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	432 else
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	433 new_type = GDK_TCROSS;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	434 } else {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	435 gint leftbound, rightbound;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	436
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	437 /* drag the grabbed point */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	438 new_type = GDK_TCROSS;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	439
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	440 leftbound = -MIN_DISTANCE;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	441 if (curve->grab_point > 0) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	442 leftbound = xs_project(
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	443 GET_X(curve->grab_point-1),
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	444 min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	445 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	446
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	447 rightbound = width + RADIUS2 + MIN_DISTANCE;
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	448 if (curve->grab_point + 1 < curve->nctlpoints) {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	449 rightbound = xs_project(
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	450 GET_X(curve->grab_point+1),
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	451 min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	452 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	453
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	454 if ((tx <= leftbound) \|\| (tx >= rightbound) \|\|
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	455 (ty > height + RADIUS2 + MIN_DISTANCE) \|\| (ty < -MIN_DISTANCE)) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	456 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	457 } else {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	458 GET_X(curve->grab_point) =
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	459 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	460 GET_Y(curve->grab_point) =
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	461 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	462 }
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 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	465 }
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	466
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	467 /* 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	468 if (new_type != (GdkCursorType) curve->cursor_type) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	469 GdkCursor *cursor;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	470 curve->cursor_type = new_type;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	471 cursor = gdk_cursor_new(curve->cursor_type);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	472 gdk_window_set_cursor(w->window, cursor);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	473 gdk_cursor_destroy(cursor);
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 break;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	476
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	477 default:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	478 break;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	479 }
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	480
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	481 return FALSE;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	482 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	483
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	484
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	485 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	486 {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	487 gint width, height;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	488 gfloat aspect;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	489
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	490 width = (curve->max_x - curve->min_x) + 1;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	491 height = (curve->max_y - curve->min_y) + 1;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	492 aspect = width / (gfloat) height;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	493
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	494 if (width > gdk_screen_width() / 4)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	495 width = gdk_screen_width() / 4;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	496
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	497 if (height > gdk_screen_height() / 4)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	498 height = gdk_screen_height() / 4;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	499
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	500 if (aspect < 1.0)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	501 width = height * aspect;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	502 else
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	503 height = width / aspect;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	504
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	505 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	506 }
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	507
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	508
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	509 static void xs_curve_update(XSCurve *curve)
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	510 {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	511 if (curve->pixmap) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	512 gint width, height;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	513
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	514 width = GTK_WIDGET(curve)->allocation.width - RADIUS2;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	515 height = GTK_WIDGET(curve)->allocation.height - RADIUS2;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	516 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	517 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	518 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	519
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	520
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	521 void xs_curve_reset(XSCurve *curve)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	522 {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	523 if (curve->ctlpoints)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	524 g_free(curve->ctlpoints);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	525
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	526 curve->nctlpoints = 4;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	527 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	528
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	529 GET_X(0) = curve->min_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	530 GET_Y(0) = curve->min_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	531 GET_X(1) = curve->min_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	532 GET_Y(1) = curve->min_y;
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 GET_X(2) = curve->max_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	535 GET_Y(2) = curve->max_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	536 GET_X(3) = curve->max_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	537 GET_Y(3) = curve->max_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	538
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	539 xs_curve_update(curve);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	540 }
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	541
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	542
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	543 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	544 {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	545 curve->min_x = min_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	546 curve->max_x = max_x;
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	547
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	548 curve->min_y = min_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	549 curve->max_y = max_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	550
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	551 xs_curve_size_graph(curve);
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	552 xs_curve_reset(curve);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	553 }
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	554
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	555
545 425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	556 gboolean xs_curve_realloc_data(XSCurve *curve, gint npoints)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	557 {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	558 if (npoints != curve->nctlpoints) {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	559 curve->nctlpoints = npoints;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	560 curve->ctlpoints = (t_xs_point *) g_realloc(curve->ctlpoints,
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	561 curve->nctlpoints * sizeof(*curve->ctlpoints));
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	562
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	563 if (curve->ctlpoints == NULL)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	564 return FALSE;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	565 }
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	566
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	567 return TRUE;
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
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	570
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	571 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	572 {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	573 *points = &(curve->ctlpoints);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	574 *npoints = &(curve->nctlpoints);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	575 }
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 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	579 {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	580 gint i;
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 if (!xs_curve_realloc_data(curve, npoints + 4))
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	583 return FALSE;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	584
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	585 GET_X(0) = curve->min_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	586 GET_Y(0) = curve->min_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	587 GET_X(1) = curve->min_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	588 GET_Y(1) = curve->min_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	589
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	590 for (i = 0; i < npoints; i++) {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	591 GET_X(i+2) = points[i].x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	592 GET_Y(i+2) = points[i].y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	593 }
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	594
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	595 GET_X(npoints+2) = curve->max_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	596 GET_Y(npoints+2) = curve->max_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	597 GET_X(npoints+3) = curve->max_x;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	598 GET_Y(npoints+3) = curve->max_y;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	599
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	600 xs_curve_update(curve);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	601 return TRUE;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	602 }
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	603
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 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	606 {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	607 gint i, n;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	608
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	609 n = curve->nctlpoints - 4;
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 points = g_malloc(n sizeof(t_xs_int_point));
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	612 if (*points == NULL)
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	613 return FALSE;
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 *npoints = n;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	616 for (i = 2; i < curve->nctlpoints - 2; i++) {
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	617 (*points)[i].x = GET_X(i);
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	618 (*points)[i].y = GET_Y(i);
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
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	621 return TRUE;
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	622 }
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	623
425da926d310 Working on XSCurve widget implementation. Matti Hamalainen <ccr@tnsp.org> parents: 520 diff changeset	624
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	625 GtkWidget *xs_curve_new(void)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	626 {
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	627 return gtk_type_new(xs_curve_get_type());
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	628 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	629
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	630
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	631 static void xs_curve_finalize(GtkObject *object)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	632 {
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	633 XSCurve *curve;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	634
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	635 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	636 g_return_if_fail(XS_IS_CURVE(object));
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 curve = XS_CURVE(object);
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	639
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	640 if (curve->pixmap)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	641 gdk_pixmap_unref(curve->pixmap);
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	642
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	643 if (curve->ctlpoints)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	644 g_free(curve->ctlpoints);
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 (*GTK_OBJECT_CLASS(parent_class)->finalize) (object);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	647 }

Mercurial > hg > xmms-sid

annotate src/xs_curve.c @ 545:425da926d310