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cover up segv where somehow the alpha flag is set in the 16bit engine but the 

alpha pixel pointer is NULL. couldn't see where that happens, but it's now
protected against it.


SVN revision: 34968
This commit is contained in:
Carsten Haitzler 2008-07-02 00:57:26 +00:00
parent fa688b14b1
commit 6f480338d4
2 changed files with 10 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
legacy/evas/src/lib/engines/common_16/evas_soft16_image_scaled_sampled.c
View File

@ -93,10 +93,11 @@ _soft16_image_draw_scaled_no_mul(Soft16_Image *src, Soft16_Image *dst,
int dst_offset, int w, int h,
int *offset_x, int *offset_y)
{
if (src->cache_entry.flags.alpha && (!dst->cache_entry.flags.alpha))
if ((src->cache_entry.flags.alpha && src->alpha) &&
(!dst->cache_entry.flags.alpha))
_soft16_image_draw_scaled_transp_solid
(src, dst, dc, dst_offset, w, h, offset_x, offset_y);
else if ((!src->cache_entry.flags.alpha) && (!dst->cache_entry.flags.alpha))
else if (!dst->cache_entry.flags.alpha)
_soft16_image_draw_scaled_solid_solid
(src, dst, dc, dst_offset, w, h, offset_x, offset_y);
else
@ -205,10 +206,11 @@ _soft16_image_draw_scaled_mul_alpha(Soft16_Image *src, Soft16_Image *dst,
int dst_offset, int w, int h,
int *offset_x, int *offset_y, DATA8 a)
{
if (src->cache_entry.flags.alpha && (!dst->cache_entry.flags.alpha))
if ((src->cache_entry.flags.alpha && src->alpha) &&
(!dst->cache_entry.flags.alpha))
_soft16_image_draw_scaled_transp_solid_mul_alpha
(src, dst, dc, dst_offset, w, h, offset_x, offset_y, a);
else if ((!src->cache_entry.flags.alpha) && (!dst->cache_entry.flags.alpha))
else if (!dst->cache_entry.flags.alpha)
_soft16_image_draw_scaled_solid_solid_mul_alpha
(src, dst, dc, dst_offset, w, h, offset_x, offset_y, a);
else
@ -387,10 +389,11 @@ _soft16_image_draw_scaled_mul_color(Soft16_Image *src, Soft16_Image *dst,
int *offset_x, int *offset_y,
DATA8 r, DATA8 g, DATA8 b, DATA8 a)
{
if (src->cache_entry.flags.alpha && (!dst->cache_entry.flags.alpha))
if ((src->cache_entry.flags.alpha && src->alpha) &&
(!dst->cache_entry.flags.alpha))
_soft16_image_draw_scaled_transp_solid_mul_color
(src, dst, dc, dst_offset, w, h, offset_x, offset_y, r, g, b, a);
else if ((!src->cache_entry.flags.alpha) && (!dst->cache_entry.flags.alpha))
else if (!dst->cache_entry.flags.alpha)
_soft16_image_draw_scaled_solid_solid_mul_color
(src, dst, dc, dst_offset, w, h, offset_x, offset_y, r, g, b, a);
else

8
legacy/evas/src/lib/engines/common_16/evas_soft16_main.c
View File

@ -94,16 +94,10 @@ _evas_common_soft16_image_new(void)
{
Soft16_Image *im;
im = malloc(sizeof (Soft16_Image));
im = calloc(1, sizeof(Soft16_Image));
if (!im) return NULL;
im->stride = -1;
im->pixels = NULL;
im->alpha = NULL;
/* When is have_alpha set ? */
/* im->flags.have_alpha = 0; */
im->flags.free_pixels = 0;
im->flags.free_alpha = 0;
return (Image_Entry *) im;
}