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Properly offset y coordinate accordining to render_y0.

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2000-04-22 05:27:43 2000  Owen Taylor  <otaylor@redhat.com>

	* gdk-pixbuf/pixops/pixops.c (pixops_scale_nearest): Properly
	offset y coordinate accordining to render_y0.

	* gdk-pixbuf/gdk-pixbuf-scale.c: Properly handle nonzero
	dest_x, dest_y.
This commit is contained in:
05:27:43 2000 Owen Taylor
2000-04-24 05:28:02 +00:00
committed by Owen Taylor
parent 16814166ba
commit a77a3d135d
3 changed files with 15 additions and 4 deletions
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9
gdk-pixbuf/gdk-pixbuf-scale.c
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@ -68,7 +68,8 @@ gdk_pixbuf_scale (const GdkPixbuf *src,
offset_y = floor (offset_y + 0.5);
pixops_scale (dest->pixels + dest_y * dest->rowstride + dest_x * dest->n_channels,
-offset_x, -offset_y, dest_width - offset_x, dest_height - offset_y,
dest_x - offset_x, dest_y - offset_y,
dest_x + dest_width - offset_x, dest_y + dest_height - offset_y,
dest->rowstride, dest->n_channels, dest->has_alpha,
src->pixels, src->width, src->height,
src->rowstride, src->n_channels, src->has_alpha,
@ -118,7 +119,8 @@ gdk_pixbuf_composite (const GdkPixbuf *src,
offset_x = floor (offset_x + 0.5);
offset_y = floor (offset_y + 0.5);
pixops_composite (dest->pixels + dest_y * dest->rowstride + dest_x * dest->n_channels,
-offset_x, -offset_y, dest_width - offset_x, dest_height - offset_y,
dest_x - offset_x, dest_y - offset_y,
dest_x + dest_width - offset_x, dest_y + dest_height - offset_y,
dest->rowstride, dest->n_channels, dest->has_alpha,
src->pixels, src->width, src->height,
src->rowstride, src->n_channels, src->has_alpha,
@ -180,7 +182,8 @@ gdk_pixbuf_composite_color (const GdkPixbuf *src,
offset_y = floor (offset_y + 0.5);
pixops_composite_color (dest->pixels + dest_y * dest->rowstride + dest_x * dest->n_channels,
-offset_x, -offset_y, dest_width - offset_x, dest_height - offset_y,
dest_x - offset_x, dest_y - offset_y,
dest_x + dest_width - offset_x, dest_y + dest_height - offset_y,
dest->rowstride, dest->n_channels, dest->has_alpha,
src->pixels, src->width, src->height,
src->rowstride, src->n_channels, src->has_alpha,