xmms-sid: src/xs_curve.c annotate

annotate src/xs_curve.c @ 378:0f255a575720

Fix ending newline.

author	Matti Hamalainen <ccr@tnsp.org>
date	Wed, 09 Nov 2005 19:13:00 +0000
parents	58079c6180a0
children	54d86ee98b98

rev	line source
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1 #include <stdlib.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2 #include <string.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3 #include <math.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	4
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	5 #include "xs_curve.h"
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	6 #include <gtk/gtkdrawingarea.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	7 #include <gtk/gtkmain.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	8 #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	9
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	10
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	11 #define RADIUS 3 /* radius of the control points */
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	12 #define MIN_DISTANCE 8 /* min distance between control points */
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	13
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	14 #define GRAPH_MASK (GDK_EXPOSURE_MASK \| \
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	15 GDK_POINTER_MOTION_MASK \| \
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	16 GDK_POINTER_MOTION_HINT_MASK \| \
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	17 GDK_ENTER_NOTIFY_MASK \| \
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	18 GDK_BUTTON_PRESS_MASK \| \
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	19 GDK_BUTTON_RELEASE_MASK \| \
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	20 GDK_BUTTON1_MOTION_MASK)
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	21
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	22 enum
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	23 {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	24 ARG_0,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	25 ARG_CURVE_TYPE,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	26 ARG_MIN_X,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	27 ARG_MAX_X,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	28 ARG_MIN_Y,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	29 ARG_MAX_Y
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	30 };
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	31
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	32 static GtkDrawingAreaClass *parent_class = NULL;
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	33
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	34
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	35 /* forward declarations: */
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	36 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	37 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	38 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	39 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	40 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	41 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	42 static void xs_curve_size_graph(XSCurve * curve);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	43
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	44 GtkType xs_curve_get_type(void)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	45 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	46 static GtkType curve_type = 0;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	47
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	48 if (!curve_type) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	49 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	50 "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	51 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	52 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	53 (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	54 (GtkObjectInitFunc) xs_curve_init,
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	55 /* reserved_1 */ NULL,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	56 /* reserved_2 */ NULL,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	57 (GtkClassInitFunc) NULL,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	58 };
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	59
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	60 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	61 }
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	62 return curve_type;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	63 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	64
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	65 static void xs_curve_class_init(XSCurveClass * class)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	66 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	67 GtkObjectClass *object_class;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	68
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	69 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	70
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	71 object_class = (GtkObjectClass *) class;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	72
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	73 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	74 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	75 object_class->finalize = xs_curve_finalize;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	76
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	77 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	78 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	79 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	80 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	81 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	82
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	83 static void xs_curve_init(XSCurve * curve)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	84 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	85 gint old_mask;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	86
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	87 curve->pixmap = NULL;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	88 curve->height = 0;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	89 curve->grab_point = -1;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	90
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	91 curve->num_points = 0;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	92 curve->point = 0;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	93
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	94 curve->num_ctlpoints = 0;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	95 curve->ctlpoint = NULL;
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->min_x = 0.0;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	98 curve->max_x = 1.0;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	99 curve->min_y = 0.0;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	100 curve->max_y = 1.0;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	101
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	102 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	103 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	104 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	105 xs_curve_size_graph(curve);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	106 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	107
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	108 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	109 {
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	110 XSCurve *curve = XS_CURVE(object);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	111
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	112 switch (arg_id) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	113 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	114 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	115 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	116 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	117 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	118 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	119 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	120 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	121 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	122 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	123 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	124 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	125 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	126 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	127
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 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	129 {
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 XSCurve *curve = XS_CURVE(object);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	131
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	132 switch (arg_id) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	133 case ARG_MIN_X:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	134 GTK_VALUE_FLOAT(*arg) = curve->min_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	135 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	136 case ARG_MAX_X:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	137 GTK_VALUE_FLOAT(*arg) = curve->max_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	138 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	139 case ARG_MIN_Y:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	140 GTK_VALUE_FLOAT(*arg) = curve->min_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	141 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	142 case ARG_MAX_Y:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	143 GTK_VALUE_FLOAT(*arg) = curve->max_y;
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 default:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	146 arg->type = GTK_TYPE_INVALID;
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 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	149 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	150
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	151 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	152 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	153 return (norm - 1) * ((value - min) / (max - min)) + 0.5;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	154 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	155
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	156 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	157 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	158 return value / (gfloat) (norm - 1) * (max - min) + min;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	159 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	160
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	161 /* Solve the tridiagonal equation system that determines the second
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	162 derivatives for the interpolation points. (Based on Numerical
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	163 Recipies 2nd Edition.) */
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	164 static void spline_solve(int n, gfloat x[], gfloat y[], gfloat y2[])
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	165 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	166 gfloat p, sig, *u;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	167 gint i, k;
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 u = g_malloc((n - 1) * sizeof(u[0]));
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	170
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	171 y2[0] = u[0] = 0.0; /* set lower boundary condition to "natural" */
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	172
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	173 for (i = 1; i < n - 1; ++i) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	174 sig = (x[i] - x[i - 1]) / (x[i + 1] - x[i - 1]);
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	175 p = sig * y2[i - 1] + 2.0;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	176 y2[i] = (sig - 1.0) / p;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	177 u[i] = ((y[i + 1] - y[i])
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	178 / (x[i + 1] - x[i]) - (y[i] - y[i - 1]) / (x[i] - x[i - 1]));
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	179 u[i] = (6.0 * u[i] / (x[i + 1] - x[i - 1]) - sig * u[i - 1]) / p;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	180 }
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 y2[n - 1] = 0.0;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	183 for (k = n - 2; k >= 0; --k)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	184 y2[k] = y2[k] * y2[k + 1] + u[k];
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	185
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	186 g_free(u);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	187 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	188
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	189 static gfloat spline_eval(int n, gfloat x[], gfloat y[], gfloat y2[], gfloat val)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	190 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	191 gint k_lo, k_hi, k;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	192 gfloat h, b, a;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	193
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	194 /* do a binary search for the right interval: */
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	195 k_lo = 0;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	196 k_hi = n - 1;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	197 while (k_hi - k_lo > 1) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	198 k = (k_hi + k_lo) / 2;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	199 if (x[k] > val)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	200 k_hi = k;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	201 else
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	202 k_lo = k;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	203 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	204
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	205 h = x[k_hi] - x[k_lo];
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	206 g_assert(h > 0.0);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	207
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	208 a = (x[k_hi] - val) / h;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	209 b = (val - x[k_lo]) / h;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	210 return a * y[k_lo] + b * y[k_hi] + ((a * a * a - a) * y2[k_lo] + (b * b * b - b) * y2[k_hi]) * (h * h) / 6.0;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	211 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	212
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	213 static void xs_curve_interpolate(XSCurve * c, gint width, gint height)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	214 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	215 gfloat *vector;
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	216 gint i;
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 vector = g_malloc(width * sizeof(vector[0]));
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	219
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	220 xs_curve_get_vector(c, width, vector);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	221
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	222 c->height = height;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	223 if (c->num_points != width) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	224 c->num_points = width;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	225 if (c->point)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	226 g_free(c->point);
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	227 c->point = g_malloc(c->num_points * sizeof(c->point[0]));
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	228 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	229
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	230 for (i = 0; i < width; ++i) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	231 c->point[i].x = RADIUS + i;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	232 c->point[i].y = RADIUS + height - project(vector[i], c->min_y, c->max_y, height);
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	233 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	234
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	235 g_free(vector);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	236 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	237
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	238 static void xs_curve_draw(XSCurve * c, gint width, gint height)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	239 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	240 GtkStateType state;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	241 GtkStyle *style;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	242 gint i;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	243
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	244 if (!c->pixmap)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	245 return;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	246
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	247 if (c->height != height \|\| c->num_points != width)
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	248 xs_curve_interpolate(c, width, height);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	249
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	250 state = GTK_STATE_NORMAL;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	251 if (!GTK_WIDGET_IS_SENSITIVE(GTK_WIDGET(c)))
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	252 state = GTK_STATE_INSENSITIVE;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	253
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	254 style = GTK_WIDGET(c)->style;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	255
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	256 /* clear the pixmap: */
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	257 gtk_paint_flat_box(style, c->pixmap,
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	258 GTK_STATE_NORMAL, GTK_SHADOW_NONE,
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	259 NULL, GTK_WIDGET(c), "curve_bg",
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	260 0, 0, width + RADIUS * 2, height + RADIUS * 2);
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	261
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	262 /* draw the grid lines: (XXX make more meaningful) */
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	263 for (i = 0; i < 5; i++) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	264 gdk_draw_line(c->pixmap, style->dark_gc[state],
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	265 RADIUS, i * (height / 4.0) + RADIUS,
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	266 width + RADIUS, i * (height / 4.0) + RADIUS);
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	267
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	268 gdk_draw_line(c->pixmap, style->dark_gc[state],
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	269 i * (width / 4.0) + RADIUS, RADIUS,
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	270 i * (width / 4.0) + RADIUS, height + RADIUS);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	271 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	272
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	273 gdk_draw_points(c->pixmap, style->fg_gc[state], c->point, c->num_points);
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	274
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	275 gdk_draw_pixmap(GTK_WIDGET(c)->window, style->fg_gc[state], c->pixmap,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	276 0, 0, 0, 0, width + RADIUS * 2, height + RADIUS * 2);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	277 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	278
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	279 static gint xs_curve_graph_events(GtkWidget * widget, GdkEvent * event, XSCurve * c)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	280 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	281 gint i, src, dst, leftbound, rightbound;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	282 GdkEventButton *bevent;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	283 GdkEventMotion *mevent;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	284 GtkWidget *w;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	285 gint tx, ty;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	286 gint cx, x, y, width, height;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	287 gint closest_point = 0;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	288 gfloat rx, ry, min_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	289 guint distance;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	290 gint x1, x2, y1, y2;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	291
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	292 w = GTK_WIDGET(c);
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	293 width = w->allocation.width - RADIUS * 2;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	294 height = w->allocation.height - RADIUS * 2;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	295
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	296 if ((width < 0) \|\| (height < 0))
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	297 return FALSE;
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	298
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	299 return FALSE;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	300 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	301
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	302 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	303 {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	304 gint width, height;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	305 gfloat aspect;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	306
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	307 width = (curve->max_x - curve->min_x) + 1;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	308 height = (curve->max_y - curve->min_y) + 1;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	309 aspect = width / (gfloat) height;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	310 if (width > gdk_screen_width() / 4)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	311 width = gdk_screen_width() / 4;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	312 if (height > gdk_screen_height() / 4)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	313 height = gdk_screen_height() / 4;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	314
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	315 if (aspect < 1.0)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	316 width = height * aspect;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	317 else
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	318 height = width / aspect;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	319
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	320 gtk_drawing_area_size(GTK_DRAWING_AREA(curve), width + RADIUS * 2, height + RADIUS * 2);
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	321 }
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	322
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	323 static void xs_curve_reset_vector(XSCurve * curve)
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	324 {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	325 }
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	326
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	327 void xs_curve_reset(XSCurve * c)
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	328 {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	329 }
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	330
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	331
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	332 void xs_curve_set_range(XSCurve * curve, gfloat min_x, gfloat max_x, gfloat min_y, gfloat max_y)
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	333 {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	334 curve->min_x = min_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	335 curve->max_x = max_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	336 curve->min_y = min_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	337 curve->max_y = max_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	338
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	339 xs_curve_size_graph(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	340 xs_curve_reset_vector(curve);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	341 }
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	342
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	343
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	344 GtkWidget *xs_curve_new(void)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	345 {
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	346 return gtk_type_new(xs_curve_get_type());
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	347 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	348
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	349
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	350 static void xs_curve_finalize(GtkObject * object)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	351 {
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	352 XSCurve *curve;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	353
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	354 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	355 g_return_if_fail(XS_IS_CURVE(object));
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	356
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	357 curve = XS_CURVE(object);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	358 if (curve->pixmap)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	359 gdk_pixmap_unref(curve->pixmap);
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	360 if (curve->point)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	361 g_free(curve->point);
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	362 if (curve->ctlpoint)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	363 g_free(curve->ctlpoint);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	364
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	365 (*GTK_OBJECT_CLASS(parent_class)->finalize) (object);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	366 }
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	367
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	368
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	369 void xs_curve_get_vector(XSCurve *curve, int veclen, gfloat vector[])
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	370 {
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	371 }
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	372
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	373 void xs_curve_set_vector(XSCurve *curve, int veclen, gfloat vector[])
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	374 {
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	375 }
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	376

Mercurial > hg > xmms-sid

annotate src/xs_curve.c @ 378:0f255a575720