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mask access row bytes fixed

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32472 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2005-02-28 17:28:43 +00:00
parent 1a6255e664
commit 7e7f40ed5f
1 changed files with 5 additions and 2 deletions
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7
src/mac/carbon/bitmap.cpp
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@@ -1016,6 +1016,7 @@ wxImage wxBitmap::ConvertToImage() const
bool hasAlpha = false ;
bool hasMask = false ;
int maskBytesPerRow = 0 ;
unsigned char *alpha = NULL ;
unsigned char *mask = NULL ;
if ( HasAlpha() )
@@ -1027,6 +1028,7 @@ wxImage wxBitmap::ConvertToImage() const
{
hasMask = true ;
mask = (unsigned char*) GetMask()->GetRawAccess() ;
maskBytesPerRow = GetMask()->GetBytesPerRow() ;
}
if ( hasAlpha )
@@ -1044,8 +1046,9 @@ wxImage wxBitmap::ConvertToImage() const
static const int MASK_BLUE = 3;
static const int MASK_BLUE_REPLACEMENT = 2;
for (int yy = 0; yy < height; yy++)
for (int yy = 0; yy < height; yy++ , mask += maskBytesPerRow )
{
unsigned char * maskp = mask ;
for (int xx = 0; xx < width; xx++)
{
long color = *((long*) source) ;
@@ -1055,7 +1058,7 @@ wxImage wxBitmap::ConvertToImage() const
unsigned char b = (color&0x000000FF);
if ( hasMask )
{
if ( *mask++ == 0 )
if ( *maskp++ == 0 )
{
if ( r == MASK_RED && g == MASK_GREEN && b == MASK_BLUE )
b = MASK_BLUE_REPLACEMENT ;