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replaced code that copies pixels from one tile-manager to another by a

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2008-08-23  Sven Neumann  <sven@gimp.org>

	* app/paint-funcs/scale-region.c (scale): replaced code that
	copies pixels from one tile-manager to another by a call to
	copy_region().


svn path=/trunk/; revision=26730
This commit is contained in:
Sven Neumann
2008-08-23 21:39:11 +00:00
committed by Sven Neumann
parent 82550ffe54
commit 6203139692
2 changed files with 20 additions and 25 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2008-08-23 Sven Neumann <sven@gimp.org>
* app/paint-funcs/scale-region.c (scale): replaced code that
copies pixels from one tile-manager to another by a call to
copy_region().
2008-08-23 Sven Neumann <sven@gimp.org>
* plug-ins/print/print.c: return with a proper PDB status type

39
app/paint-funcs/scale-region.c
View File

@ -522,37 +522,25 @@ scale (TileManager *srcTM,
/* if scale is 2^n */
if (src_width == dst_width && src_height == dst_height)
{
for (row = 0; row < dst_tilerows; row++)
PixelRegion srcPR;
PixelRegion dstPR;
pixel_region_init (&srcPR, srcTM, 0, 0, src_width, src_height, FALSE);
pixel_region_init (&dstPR, dstTM, 0, 0, src_width, src_height, TRUE);
copy_region (&srcPR, &dstPR);
if (progress_callback)
{
for (col = 0; col < dst_tilecols; col++)
{
Tile *dst_tile = tile_manager_get_at (dstTM,
col, row, TRUE, TRUE);
guchar *dst_data = tile_data_pointer (dst_tile, 0, 0);
guint dst_bpp = tile_bpp (dst_tile);
guint dst_ewidth = tile_ewidth (dst_tile);
guint dst_eheight = tile_eheight (dst_tile);
guint dst_stride = dst_ewidth * dst_bpp;
gint x0 = col * TILE_WIDTH;
gint y0 = row * TILE_HEIGHT;
gint x1 = x0 + dst_ewidth - 1;
gint y1 = y0 + dst_eheight - 1;
read_pixel_data (srcTM, x0, y0, x1, y1, dst_data, dst_stride);
tile_release (dst_tile, TRUE);
if (progress_callback)
progress_callback (0, max_progress, ((*progress)++),
progress_data);
}
*progress += dst_tilerows * dst_tilecols;
progress_callback (0, max_progress, *progress, progress_data);
}
return;
}
if (interpolation == GIMP_INTERPOLATION_LANCZOS )
kernel_lookup = create_lanczos3_lookup();
kernel_lookup = create_lanczos3_lookup ();
for (row = 0; row < dst_tilerows; row++)
{
@ -1085,7 +1073,8 @@ sinc (const gdouble x)
/*
* allocate and fill lookup table of Lanczos windowed sinc function
* use gfloat since errors due to granularity of array far exceed data precision
* use gfloat since errors due to granularity of array far exceed
* data precision
*/
gfloat *
create_lanczos_lookup (void)