graphics/gimp
graphics/gimp
1
0
Fork 0
mirror of https://gitlab.gnome.org/GNOME/gimp synced 2024-10-21 12:02:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

removed a temporary variable, simplified logic slightly.

Browse source 
* app/display/gimpdisplayshell-render.c: (compute_sample): removed
a temporary variable, simplified logic slightly.
(render_image_tile_fault, render_image_tile_fault_one_row): moved
sum computation out of loop.

svn path=/trunk/; revision=23362
This commit is contained in:
Øyvind Kolås 2007-08-24 15:58:49 +00:00
parent d51e3c42f7
commit a3a6253291
2 changed files with 15 additions and 32 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
ChangeLog
View file

@ -1,3 +1,10 @@
2007-08-24 Øyvind Kolås <pippin@gimp.org>
* app/display/gimpdisplayshell-render.c: (compute_sample): removed
a temporary variable, simplified logic slightly.
(render_image_tile_fault, render_image_tile_fault_one_row): moved
sum computation out of loop.
2007-08-24 Øyvind Kolås <pippin@gimp.org>
* app/display/gimpdisplayshell-render.c: Replaced signed integres with

40
app/display/gimpdisplayshell-render.c
View file

@ -951,10 +951,9 @@ compute_sample (guint left_weight,
for (i=0; i<=ALPHA; i++)
{
guint res;
if (a)
{
res = ((middle_weight * (
dest[i] = ((middle_weight * (
factors[0] * src[1][i] +
factors[1] * src[4][i] +
factors[2] * src[7][i]) +
@ -969,18 +968,8 @@ compute_sample (guint left_weight,
factors[7] * src[3][i] +
factors[8] * src[6][i])
) / a);
) / a) & 0xff;
}
else
{
res = 0;
}
if (res < 0)
dest[i] = 0;
else if (res>255)
dest[i] = 255;
else
dest[i] = res;
}
}
#undef ALPHA
@ -1011,10 +1000,9 @@ compute_sample (guint left_weight,
for (i=0; i<=ALPHA; i++)
{
guint res;
if (a)
{
res = ((middle_weight * (
dest[i] = ((middle_weight * (
factors[0] * src[1][i] +
factors[1] * src[4][i] +
factors[2] * src[7][i]) +
@ -1029,18 +1017,8 @@ compute_sample (guint left_weight,
factors[7] * src[3][i] +
factors[8] * src[6][i])
) / a);
) / a) & 0xff;
}
else
{
res = 0;
}
if (res < 0)
dest[i] = 0;
else if (res>255)
dest[i] = 255;
else
dest[i] = res;
}
}
#undef ALPHA
@ -1083,6 +1061,7 @@ render_image_tile_fault (RenderInfo *info)
gint footprint_x;
gint footprint_y;
guint foosum;
guint left_weight;
guint middle_weight;
@ -1125,6 +1104,7 @@ render_image_tile_fault (RenderInfo *info)
footprint_y = (1.0/info->scaley) * 256;
footprint_x = (1.0/info->scalex) * 256;
foosum = footprint_x * footprint_y;
{
gint dy = info->yfraction;
@ -1277,7 +1257,6 @@ render_image_tile_fault (RenderInfo *info)
{
gint dx = (x >> 8) & 0xff;
guint foosum;
if (dx > footprint_x/2)
left_weight = 0;
else
@ -1290,8 +1269,6 @@ render_image_tile_fault (RenderInfo *info)
middle_weight = footprint_x - left_weight - right_weight;
foosum = footprint_x * footprint_y;
compute_sample (left_weight, middle_weight, right_weight,
top_weight, center_weight, bottom_weight, foosum,
src, dest, bpp);
@ -1624,6 +1601,7 @@ render_image_tile_fault_one_row (RenderInfo *info)
guint footprint_x;
guint footprint_y;
guint foosum;
guint left_weight;
guint middle_weight;
@ -1635,6 +1613,7 @@ render_image_tile_fault_one_row (RenderInfo *info)
footprint_y = (1.0/info->scaley) * 256;
footprint_x = (1.0/info->scalex) * 256;
foosum = footprint_x * footprint_y;
{
gint dy = info->yfraction;
@ -1751,7 +1730,6 @@ render_image_tile_fault_one_row (RenderInfo *info)
{
gint dx = (x >> 8) & 0xff;
guint foosum;
if (dx > footprint_x/2)
left_weight = 0;
else
@ -1764,8 +1742,6 @@ render_image_tile_fault_one_row (RenderInfo *info)
middle_weight = footprint_x - left_weight - right_weight;
foosum = footprint_x * footprint_y;
compute_sample (left_weight, middle_weight, right_weight,
top_weight, center_weight, bottom_weight, foosum,
src, dest, bpp);