examples: Use cairo instead of to-be-deprecated GDK API

Fixes bug #625001.
This commit is contained in:
Sebastian Dröge 2010-07-24 11:48:33 +02:00
parent 5011cb2392
commit c1982cd6fe
4 changed files with 45 additions and 37 deletions

View file

@ -2463,11 +2463,14 @@ handle_expose_cb (GtkWidget * widget, GdkEventExpose * event, gpointer data)
if (state < GST_STATE_PAUSED) {
GtkAllocation allocation;
GdkWindow *window = gtk_widget_get_window (widget);
GtkStyle *style = gtk_widget_get_style (widget);
cairo_t *cr;
gtk_widget_get_allocation (widget, &allocation);
gdk_draw_rectangle (window, style->black_gc, TRUE, 0, 0,
allocation.width, allocation.height);
cr = gdk_cairo_create (window);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_rectangle (cr, 0, 0, allocation.width, allocation.height);
cairo_fill (cr);
cairo_destroy (cr);
}
return FALSE;
}

View file

@ -2449,11 +2449,14 @@ handle_expose_cb (GtkWidget * widget, GdkEventExpose * event, gpointer data)
if (state < GST_STATE_PAUSED) {
GtkAllocation allocation;
GdkWindow *window = gtk_widget_get_window (widget);
GtkStyle *style = gtk_widget_get_style (widget);
cairo_t *cr;
gtk_widget_get_allocation (widget, &allocation);
gdk_draw_rectangle (window, style->black_gc, TRUE, 0, 0,
allocation.width, allocation.height);
cr = gdk_cairo_create (window);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_rectangle (cr, 0, 0, allocation.width, allocation.height);
cairo_fill (cr);
cairo_destroy (cr);
}
return FALSE;
}

View file

@ -45,29 +45,36 @@ gtk_widget_get_allocation (GtkWidget * w, GtkAllocation * a)
static GtkWidget *video_window = NULL;
static GstElement *sink = NULL;
static gulong embed_xid = 0;
static GdkGC *trans_gc = NULL;
static GdkColor trans_color;
static gboolean trans_color_set = FALSE;
static void
redraw_overlay (GtkWidget * widget)
{
GtkAllocation allocation;
GdkWindow *window = gtk_widget_get_window (widget);
GtkStyle *style = gtk_widget_get_style (widget);
cairo_t *cr;
cr = gdk_cairo_create (window);
gtk_widget_get_allocation (widget, &allocation);
gdk_draw_rectangle (window, style->white_gc, TRUE, 0, 0,
allocation.width, allocation.height);
if (trans_gc) {
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_rectangle (cr, 0, 0, allocation.width, allocation.height);
cairo_fill (cr);
if (trans_color_set) {
guint x, y;
guint h = allocation.height * 0.75;
gdk_draw_rectangle (window, trans_gc, TRUE, 0, 0, allocation.width, h);
gdk_cairo_set_source_color (cr, &trans_color);
cairo_rectangle (cr, 0, 0, allocation.width, h);
cairo_fill (cr);
for (y = h; y < allocation.height; y++) {
for (x = 0; x < allocation.width; x++) {
if (((x & 1) || (y & 1)) && (x & 1) != (y & 1)) {
gdk_draw_point (window, trans_gc, x, y);
cairo_move_to (cr, x, y);
cairo_paint (cr);
}
}
}
@ -127,18 +134,14 @@ msg_state_changed (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
/* When state of the pipeline changes to paused or playing we start updating scale */
switch (GST_STATE_TRANSITION (old, new)) {
case GST_STATE_CHANGE_READY_TO_PAUSED:{
GdkWindow *window = gtk_widget_get_window (video_window);
g_object_get (G_OBJECT (sink), "colorkey", &color, NULL);
if (color != -1) {
GdkColor trans_color = { 0,
(color & 0xff0000) >> 8,
(color & 0xff00),
(color & 0xff) << 8
};
trans_gc = gdk_gc_new (window);
gdk_gc_set_rgb_fg_color (trans_gc, &trans_color);
trans_color.red = (color & 0xff0000) >> 8;
trans_color.green = (color & 0xff00);
trans_color.blue = (color & 0xff) << 8;
trans_color_set = TRUE;
} else {
trans_color_set = FALSE;
}
handle_resize_cb (video_window, NULL, NULL);
break;

View file

@ -106,29 +106,28 @@ handle_expose_cb (GtkWidget * widget, GdkEventExpose * event,
GtkAllocation allocation;
GdkWindow *window;
GtkStyle *style;
cairo_t *cr;
style = gtk_widget_get_style (widget);
window = gtk_widget_get_window (widget);
gtk_widget_get_allocation (widget, &allocation);
cr = gdk_cairo_create (window);
gdk_cairo_set_source_color (cr, &style->bg[GTK_STATE_NORMAL]);
/* we should only redraw outside of the video rect! */
/*
gdk_draw_rectangle (widget->window, widget->style->bg_gc[0], TRUE,
0, 0, widget->allocation.width, widget->allocation.height);
gdk_draw_rectangle (widget->window, widget->style->bg_gc[0], TRUE,
event->area.x, event->area.y, event->area.width, event->area.height);
*/
gdk_draw_rectangle (window, style->bg_gc[0], TRUE,
0, event->area.y, r->x, event->area.height);
gdk_draw_rectangle (window, style->bg_gc[0], TRUE,
r->x + r->w, event->area.y,
cairo_rectangle (cr, 0, event->area.y, r->x, event->area.height);
cairo_rectangle (cr, r->x + r->w, event->area.y,
allocation.width - (r->x + r->w), event->area.height);
gdk_draw_rectangle (window, style->bg_gc[0], TRUE,
event->area.x, 0, event->area.width, r->y);
gdk_draw_rectangle (window, style->bg_gc[0], TRUE,
event->area.x, r->y + r->h,
cairo_rectangle (cr, event->area.x, 0, event->area.width, r->y);
cairo_rectangle (cr, event->area.x, r->y + r->h,
event->area.width, allocation.height - (r->y + r->h));
cairo_fill (cr);
cairo_destroy (cr);
if (verbose) {
g_print ("expose(%p)\n", widget);
}