Revision 974
Draws circle and square.
| gtk_environment_view.c | ||
|---|---|---|
| 85 | 85 |
|
| 86 | 86 |
static void gtk_environment_view_init(GtkEnvironmentView* view) |
| 87 | 87 |
{
|
| 88 |
view->buf = NULL; |
|
| 89 | 88 |
view->topLeftX = -2.0; |
| 90 | 89 |
view->topLeftY = -1.3; |
| 91 | 90 |
view->scale = 2.0 / 800.0; |
| 92 | 91 |
view->width = -1; |
| 93 | 92 |
view->height = -1; |
| 94 | 93 |
|
| 94 |
GTK_WIDGET_SET_FLAGS(&(view->widget), GTK_DOUBLE_BUFFERED); |
|
| 95 |
|
|
| 95 | 96 |
view->mouseDown = 0; |
| 96 | 97 |
} |
| 97 | 98 |
|
| ... | ... | |
| 102 | 103 |
g_return_if_fail(GTK_IS_ENVIRONMENT_VIEW(object)); |
| 103 | 104 |
|
| 104 | 105 |
view = GTK_ENVIRONMENT_VIEW(object); |
| 105 |
|
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| 106 |
if (view->buf != NULL) |
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{
|
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| 108 |
free(view->buf); |
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view->buf = NULL; |
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view->width = -1; |
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view->height = -1; |
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} |
|
| 113 | 106 |
|
| 114 | 107 |
if (GTK_OBJECT_CLASS(parent_class)->destroy) |
| 115 | 108 |
(* GTK_OBJECT_CLASS(parent_class)->destroy) (object); |
| ... | ... | |
| 169 | 162 |
view = GTK_ENVIRONMENT_VIEW(widget); |
| 170 | 163 |
widget->allocation = *a; |
| 171 | 164 |
|
| 172 |
// resize buffer |
|
| 173 |
if (view->buf != NULL) |
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{
|
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free(view->buf); |
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view->buf = NULL; |
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view->width = -1; |
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view->height = -1; |
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} |
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view->buf = (guchar*)malloc(a->width * a->height * 3 * sizeof(guchar)); |
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memset(view->buf, 0, a->width * a->height * 3 * sizeof(guchar)); |
|
| 182 | 165 |
view->width = a->width; |
| 183 | 166 |
view->height = a->height; |
| 184 | 167 |
|
| ... | ... | |
| 200 | 183 |
|
| 201 | 184 |
view = GTK_ENVIRONMENT_VIEW(widget); |
| 202 | 185 |
|
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gdk_draw_rgb_image(widget->window, widget->style->fg_gc[
|
|
| 204 |
GTK_WIDGET_STATE(widget)], event->area.x,
|
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| 205 |
event->area.y, event->area.width, |
|
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event->area.height, GDK_RGB_DITHER_NONE,
|
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view->buf + 3 * (event->area.y * view->width + event->area.x),
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| 208 |
3 * view->width);
|
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| 209 |
|
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| 186 |
gdk_draw_rectangle(widget->window, widget->style->fg_gc[
|
|
| 187 |
GTK_WIDGET_STATE(widget)], 0, 100, 100, 100, 100);
|
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| 188 |
|
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gdk_draw_arc(widget->window,
|
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widget->style->fg_gc[GTK_WIDGET_STATE(widget)], FALSE, 0, 0,
|
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| 191 |
100, 100, 0, 360*64);
|
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| 192 |
|
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| 210 | 193 |
return FALSE; |
| 211 | 194 |
} |
| 212 | 195 |
|
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