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Fix GDI graphics driver use for bitmasks

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This commit is contained in:
Matthias Melcher 2022-11-25 10:52:46 +01:00
parent b1ba37c5ba
commit 09697c4738
1 changed files with 5 additions and 1 deletions
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6
src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx
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@ -803,7 +803,11 @@ void Fl_GDI_Graphics_Driver::cache(Fl_Pixmap *img) {
fl_draw_pixmap(img->data(), 0, 0, FL_BLACK);
uchar *bitmap = *pbitmap;
if (bitmap) {
*Fl_Graphics_Driver::mask(img) = (fl_uintptr_t)create_bitmask(img->data_w(), img->data_h(), bitmap);
// Note: activating the surface device changes graphics drivers.
// Don't use 'this', but the new driver instead.
*Fl_Graphics_Driver::mask(img) =
(fl_uintptr_t)((Fl_GDI_Graphics_Driver *)fl_graphics_driver)->
create_bitmask(img->data_w(), img->data_h(), bitmap);
delete[] bitmap;
}
*pbitmap = 0;