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Have fl_draw_image(buf,X,Y,W,H,D,L) support negative D and/or L arguments on Mac OS X - continued.

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@11254 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Manolo Gouy
2016-03-01 15:08:57 +00:00
parent de07c2ea94
commit f4cc803b3c
1 changed files with 5 additions and 1 deletions
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src/fl_draw_image_mac.cxx
+5 -1
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@@ -53,8 +53,12 @@ static void innards(const uchar *buf, int X, int Y, int W, int H,
{ {
if (!linedelta) linedelta = W*abs(delta); if (!linedelta) linedelta = W*abs(delta);
const void *array = buf;
uchar *tmpBuf = 0; uchar *tmpBuf = 0;
if (!cb) {
if (delta < 0) buf -= (W-1)*(-delta);
if (linedelta < 0) buf -= (H-1)*abs(delta)*W;
}
const void *array = buf;
if (cb || Fl_Surface_Device::surface() != Fl_Display_Device::display_device()) { if (cb || Fl_Surface_Device::surface() != Fl_Display_Device::display_device()) {
tmpBuf = new uchar[ H*W*abs(delta) ]; tmpBuf = new uchar[ H*W*abs(delta) ];
if (cb) { if (cb) {