summaryrefslogtreecommitdiff
path: root/packages/gtk+/gtk+-2.10.7/gnome-bug-341177.patch
diff options
context:
space:
mode:
Diffstat (limited to 'packages/gtk+/gtk+-2.10.7/gnome-bug-341177.patch')
-rw-r--r--packages/gtk+/gtk+-2.10.7/gnome-bug-341177.patch217
1 files changed, 217 insertions, 0 deletions
diff --git a/packages/gtk+/gtk+-2.10.7/gnome-bug-341177.patch b/packages/gtk+/gtk+-2.10.7/gnome-bug-341177.patch
new file mode 100644
index 0000000000..c31868462a
--- /dev/null
+++ b/packages/gtk+/gtk+-2.10.7/gnome-bug-341177.patch
@@ -0,0 +1,217 @@
+diff -uprN gtk+-2.8.13.org/gdk-pixbuf/pixops/pixops.c gtk+-2.8.13.INNER_LOOP/gdk-pixbuf/pixops/pixops.c
+--- gtk+-2.8.13.org/gdk-pixbuf/pixops/pixops.c Tue Jul 12 18:58:57 2005
++++ gtk+-2.8.13.INNER_LOOP/gdk-pixbuf/pixops/pixops.c Tue May 9 17:30:53 2006
+@@ -71,35 +71,24 @@ get_check_shift (int check_size)
+ return check_shift;
+ }
+
+-static void
+-pixops_scale_nearest (guchar *dest_buf,
+- int render_x0,
+- int render_y0,
+- int render_x1,
+- int render_y1,
+- int dest_rowstride,
+- int dest_channels,
+- gboolean dest_has_alpha,
+- const guchar *src_buf,
+- int src_width,
+- int src_height,
+- int src_rowstride,
+- int src_channels,
+- gboolean src_has_alpha,
+- double scale_x,
+- double scale_y)
+-{
+- int i;
+- int x;
+- int x_step = (1 << SCALE_SHIFT) / scale_x;
+- int y_step = (1 << SCALE_SHIFT) / scale_y;
+- int xmax, xstart, xstop, x_pos, y_pos;
+- const guchar *p;
++typedef struct { guchar a,b,c; } b3;
++extern void BUG_bad_size_of_struct_b3(void);
+
+-#define INNER_LOOP(SRC_CHANNELS,DEST_CHANNELS,ASSIGN_PIXEL) \
++#define INNER_LOOP_PREP() \
++ do { \
++ x = render_x0 * x_step + x_step / 2; \
+ xmax = x + (render_x1 - render_x0) * x_step; \
+ xstart = MIN (0, xmax); \
+ xstop = MIN (src_width << SCALE_SHIFT, xmax); \
++ } while(0)
++
++#define INNER_LOOP_BODY(SRC_CHANNELS,DEST_CHANNELS,ASSIGN_PIXEL)\
++ do { \
++ y_pos = ((i + render_y0) * y_step + y_step / 2) >> SCALE_SHIFT; \
++ y_pos = CLAMP (y_pos, 0, src_height - 1); \
++ src = src_buf + y_pos * src_rowstride; \
++ dest = dest_buf + i * dest_rowstride; \
++ x = render_x0 * x_step + x_step / 2; \
+ p = src + (CLAMP (x, xstart, xstop) >> SCALE_SHIFT) * SRC_CHANNELS; \
+ while (x < xstart) \
+ { \
+@@ -121,42 +110,58 @@ pixops_scale_nearest (guchar *des
+ ASSIGN_PIXEL; \
+ dest += DEST_CHANNELS; \
+ x += x_step; \
+- }
++ } \
++ } while(0)
+
+- for (i = 0; i < (render_y1 - render_y0); i++)
+- {
+- const guchar *src;
+- guchar *dest;
+- y_pos = ((i + render_y0) * y_step + y_step / 2) >> SCALE_SHIFT;
+- y_pos = CLAMP (y_pos, 0, src_height - 1);
+- src = src_buf + y_pos * src_rowstride;
+- dest = dest_buf + i * dest_rowstride;
++static void
++pixops_scale_nearest (guchar *dest_buf,
++ int render_x0,
++ int render_y0,
++ int render_x1,
++ int render_y1,
++ int dest_rowstride,
++ int dest_channels,
++ gboolean dest_has_alpha,
++ const guchar *src_buf,
++ int src_width,
++ int src_height,
++ int src_rowstride,
++ int src_channels,
++ gboolean src_has_alpha,
++ double scale_x,
++ double scale_y)
++{
++ int i;
++ int x;
++ int x_step = (1 << SCALE_SHIFT) / scale_x;
++ int y_step = (1 << SCALE_SHIFT) / scale_y;
++ int xmax, xstart, xstop, x_pos, y_pos;
++ const guchar *p;
+
+- x = render_x0 * x_step + x_step / 2;
++ const guchar *src;
++ guchar *dest;
+
+- if (src_channels == 3)
+- {
+- if (dest_channels == 3)
+- {
+- INNER_LOOP (3, 3, dest[0]=p[0];dest[1]=p[1];dest[2]=p[2]);
+- }
+- else
+- {
+- INNER_LOOP (3, 4, dest[0]=p[0];dest[1]=p[1];dest[2]=p[2];dest[3]=0xff);
+- }
+- }
+- else if (src_channels == 4)
+- {
+- if (dest_channels == 3)
+- {
+- INNER_LOOP (4, 3, dest[0]=p[0];dest[1]=p[1];dest[2]=p[2]);
+- }
+- else
+- {
+- guint32 *p32;
+- INNER_LOOP(4, 4, p32=(guint32*)dest;*p32=*((guint32*)p));
+- }
+- }
++ if(sizeof(b3) != 3) BUG_bad_size_of_struct_b3();
++
++ INNER_LOOP_PREP();
++
++ if (src_channels == 3)
++ {
++ if (dest_channels == 3)
++ for (i = 0; i < (render_y1 - render_y0); i++)
++ INNER_LOOP_BODY (3, 3, *(b3*)dest = *(b3*)p);
++ else
++ for (i = 0; i < (render_y1 - render_y0); i++)
++ INNER_LOOP_BODY (3, 4, (*(b3*)dest = *(b3*)p, dest[3]=0xff) );
++ }
++ else if (src_channels == 4)
++ {
++ if (dest_channels == 3)
++ for (i = 0; i < (render_y1 - render_y0); i++)
++ INNER_LOOP_BODY (4, 3, *(b3*)dest = *(b3*)p);
++ else
++ for (i = 0; i < (render_y1 - render_y0); i++)
++ INNER_LOOP_BODY (4, 4, *(guint32*)dest = *((guint32*)p));
+ }
+ }
+
+@@ -187,18 +192,14 @@ pixops_composite_nearest (guchar
+ const guchar *p;
+ unsigned int a0;
+
++ INNER_LOOP_PREP();
++
+ for (i = 0; i < (render_y1 - render_y0); i++)
+ {
+ const guchar *src;
+ guchar *dest;
+- y_pos = ((i + render_y0) * y_step + y_step / 2) >> SCALE_SHIFT;
+- y_pos = CLAMP (y_pos, 0, src_height - 1);
+- src = src_buf + y_pos * src_rowstride;
+- dest = dest_buf + i * dest_rowstride;
+-
+- x = render_x0 * x_step + x_step / 2;
+
+- INNER_LOOP(src_channels, dest_channels,
++ INNER_LOOP_BODY(src_channels, dest_channels,
+ if (src_has_alpha)
+ a0 = (p[3] * overall_alpha) / 0xff;
+ else
+@@ -209,9 +210,7 @@ pixops_composite_nearest (guchar
+ case 0:
+ break;
+ case 255:
+- dest[0] = p[0];
+- dest[1] = p[1];
+- dest[2] = p[2];
++ *(b3*)dest = *(b3*)p;
+ if (dest_has_alpha)
+ dest[3] = 0xff;
+ break;
+@@ -279,17 +278,12 @@ pixops_composite_color_nearest (guchar
+ const guchar *p;
+ unsigned int a0;
+
++ INNER_LOOP_PREP();
++
+ for (i = 0; i < (render_y1 - render_y0); i++)
+ {
+ const guchar *src;
+ guchar *dest;
+- y_pos = ((i + render_y0) * y_step + y_step / 2) >> SCALE_SHIFT;
+- y_pos = CLAMP (y_pos, 0, src_height - 1);
+- src = src_buf + y_pos * src_rowstride;
+- dest = dest_buf + i * dest_rowstride;
+-
+- x = render_x0 * x_step + x_step / 2;
+-
+
+ if (((i + check_y) >> check_shift) & 1)
+ {
+@@ -313,7 +307,7 @@ pixops_composite_color_nearest (guchar
+ }
+
+ j = 0;
+- INNER_LOOP(src_channels, dest_channels,
++ INNER_LOOP_BODY(src_channels, dest_channels,
+ if (src_has_alpha)
+ a0 = (p[3] * overall_alpha + 0xff) >> 8;
+ else
+@@ -372,7 +366,8 @@ pixops_composite_color_nearest (guchar
+ );
+ }
+ }
+-#undef INNER_LOOP
++#undef INNER_LOOP_BODY
++#undef INNER_LOOP_PREP
+
+ static void
+ composite_pixel (guchar *dest, int dest_x, int dest_channels, int dest_has_alpha,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-14 02:22:48 +0000