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Prescale the pixbuf before a tiled composite

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2000-12-22  Bradford Hovinen  <hovinen@helixcode.com>

	* capplets/new-background-properties/applier.c
	(renderer_render_wallpaper): Prescale the pixbuf before a tiled
	composite
This commit is contained in:
Bradford Hovinen 2000-12-22 16:09:04 +00:00 • committed by Bradford Hovinen (Gdict maintainer)
parent 411e73d22b
commit 0f67cd0cd0
2 changed files with 50 additions and 6 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2000-12-22 Bradford Hovinen <hovinen@helixcode.com>
* capplets/new-background-properties/applier.c
(renderer_render_wallpaper): Prescale the pixbuf before a tiled
composite
2000-12-21 Bradford Hovinen <hovinen@helixcode.com>
* capplets/new-background-properties/applier.c (set_root_pixmap):

50
capplets/background/applier.c
View file

@ -95,6 +95,7 @@ struct _Renderer
guchar *gradient_data;
GdkPixbuf *wallpaper_pixbuf; /* Alias only */
GdkPixbuf *prescaled_pixbuf; /* For tiled on preview */
GdkPixbuf *pixbuf;
Pixmap pixmap;
};
@ -731,6 +732,18 @@ renderer_render_wallpaper (Renderer *renderer)
&renderer->wwidth, &renderer->wheight,
&renderer->srcx, &renderer->srcy);
if (renderer->prefs->wallpaper_type == WPTYPE_TILED &&
renderer->wwidth != renderer->pwidth &&
renderer->wheight != renderer->pheight)
renderer->prescaled_pixbuf =
gdk_pixbuf_scale_simple
(renderer->wallpaper_pixbuf,
renderer->wwidth,
renderer->wheight,
GDK_INTERP_BILINEAR);
else
renderer->prescaled_pixbuf = NULL;
if (renderer->prefs->adjust_opacity) {
guint alpha_value;
guint32 colorv;
@ -757,6 +770,20 @@ renderer_render_wallpaper (Renderer *renderer)
scalex, scaley,
GDK_INTERP_BILINEAR,
alpha_value);
else if (renderer->wwidth !=
renderer->pwidth &&
renderer->wheight !=
renderer->pheight)
tile_composite
(renderer->prescaled_pixbuf,
renderer->pixbuf,
renderer->wx, renderer->wy,
renderer->wwidth,
renderer->wheight,
renderer->width,
renderer->height,
1.0, 1.0,
alpha_value);
else
tile_composite
(renderer->wallpaper_pixbuf,
@ -810,12 +837,20 @@ renderer_render_wallpaper (Renderer *renderer)
if (renderer->pixbuf != NULL)
gdk_pixbuf_unref (renderer->pixbuf);
renderer->pixbuf =
gdk_pixbuf_scale_simple
(renderer->wallpaper_pixbuf,
renderer->wwidth,
renderer->wheight,
GDK_INTERP_BILINEAR);
if (renderer->prescaled_pixbuf !=
renderer->wallpaper_pixbuf)
{
renderer->pixbuf =
gdk_pixbuf_scale_simple
(renderer->wallpaper_pixbuf,
renderer->wwidth,
renderer->wheight,
GDK_INTERP_BILINEAR);
} else {
renderer->pixbuf =
renderer->prescaled_pixbuf;
gdk_pixbuf_ref (renderer->pixbuf);
}
}
} else {
if (render_gradient_p (renderer, renderer->prefs)) {
@ -834,6 +869,9 @@ renderer_render_wallpaper (Renderer *renderer)
gdk_pixbuf_ref (renderer->pixbuf);
}
}
if (renderer->prescaled_pixbuf != NULL)
gdk_pixbuf_unref (renderer->prescaled_pixbuf);
}
}