callisto-debian/gtk3
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added scaling functions into gtk-doc framework.

Browse Source 
2000-01-05  Owen Taylor  <otaylor@redhat.com>

	* doc/Makefile.am doc/gdk-pixbuf-sections.txt
	  doc/gdk-pixbuf.sgml doc/tmpl/scaling.sgml:
	Added scaling functions into gtk-doc framework.

	* gdk-pixbuf/gdk-pixbuf-scale.c: Documentation fixes.

	* gdk-pixbuf/testpixbuf-scale.c (expose_cb): Simplify a bit.

	* gdk-pixbuf/pixops/pixops.c (pixops_composite_color): Return
	immediately if scale_x or scale_y is 0.
This commit is contained in:
Owen Taylor
2000-01-06 01:08:10 +00:00
committed by Owen Taylor
parent bba95de158
commit 65de04cdb8
15 changed files with 328 additions and 82 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
demos/testpixbuf-scale.c
View File

@ -34,22 +34,13 @@ expose_cb (GtkWidget *widget, GdkEventExpose *event, gpointer data)
dest = gdk_pixbuf_new (ART_PIX_RGB, FALSE, 8, event->area.width, event->area.height);
if (pixbuf->art_pixbuf->has_alpha || overall_alpha != 255)
gdk_pixbuf_composite_color (pixbuf, dest,
0, 0, event->area.width, event->area.height,
-event->area.x, -event->area.y,
(double) widget->allocation.width / pixbuf->art_pixbuf->width,
(double) widget->allocation.height / pixbuf->art_pixbuf->height,
filter_level, overall_alpha,
event->area.x, event->area.y, 16, 0xaaaaaa, 0x555555);
else
gdk_pixbuf_scale (pixbuf, dest,
0, 0, event->area.width, event->area.height,
-event->area.x, -event->area.y,
(double) widget->allocation.width / pixbuf->art_pixbuf->width,
(double) widget->allocation.height / pixbuf->art_pixbuf->height,
filter_level);
gdk_pixbuf_composite_color (pixbuf, dest,
0, 0, event->area.width, event->area.height,
-event->area.x, -event->area.y,
(double) widget->allocation.width / pixbuf->art_pixbuf->width,
(double) widget->allocation.height / pixbuf->art_pixbuf->height,
filter_level, overall_alpha,
event->area.x, event->area.y, 16, 0xaaaaaa, 0x555555);
gdk_pixbuf_render_to_drawable (dest, widget->window, widget->style->fg_gc[GTK_STATE_NORMAL],
0, 0, event->area.x, event->area.y,