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fixed bug in blit with monochrome mask

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svn: r1233
This commit is contained in:
Matthew Flatt 2005-11-04 19:22:35 +00:00
parent 1fc7c09a67
commit fe47f61813
1 changed files with 5 additions and 4 deletions
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9
src/wxwindow/src/msw/wx_dc.cxx
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@ -2504,6 +2504,7 @@ Bool wxDC::Blit(double xdest, double ydest, double width, double height,
use_alpha = 1; use_alpha = 1;
} }
} else { } else {
wxBitmap *orig_mask = mask;
invented = new wxBitmap(iw, ih, mono_src); invented = new wxBitmap(iw, ih, mono_src);
if (invented->Ok()) { if (invented->Ok()) {
GC_CAN_IGNORE void *pBits = NULL; /* set with use_alpha... */ GC_CAN_IGNORE void *pBits = NULL; /* set with use_alpha... */
@ -2613,13 +2614,13 @@ Bool wxDC::Blit(double xdest, double ydest, double width, double height,
return 0; return 0;
} }
if ((mask != selected_bitmap) if ((orig_mask != selected_bitmap)
&& (source != selected_bitmap)) { && (source != selected_bitmap)) {
mask->ReleaseCachedMask(); orig_mask->ReleaseCachedMask();
source->ReleaseCachedMask(); source->ReleaseCachedMask();
mask->mask_cache = invented_memdc; orig_mask->mask_cache = invented_memdc;
source->mask_cache = invented_memdc; source->mask_cache = invented_memdc;
if (source == mask) if (source == orig_mask)
invented_memdc->refcount = 1; invented_memdc->refcount = 1;
else else
invented_memdc->refcount = 2; invented_memdc->refcount = 2;