diff options
Diffstat (limited to 'src/fl_scroll_area.cxx')
| -rw-r--r-- | src/fl_scroll_area.cxx | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/fl_scroll_area.cxx b/src/fl_scroll_area.cxx index 40609bc51..ff07ef3b4 100644 --- a/src/fl_scroll_area.cxx +++ b/src/fl_scroll_area.cxx @@ -151,6 +151,16 @@ void fl_scroll(int X, int Y, int W, int H, int dx, int dy, BitBlt(fl_gc, dest_x, dest_y, src_w, src_h, fl_gc, src_x, src_y,SRCCOPY); #elif defined(__APPLE_QUARTZ__) + +#if defined(__APPLE_COCOA__) + extern CGImageRef MAC_CGImageFromRectOfWindow(Fl_Window*, int x, int y, int w, int h); + CGImageRef img = MAC_CGImageFromRectOfWindow(Fl_Window::current(), src_x, src_y, src_w, src_h); + CGRect rect = { { dest_x, dest_y }, { src_w, src_h } }; + Fl_X::q_begin_image(rect, 0, 0, src_w, src_h); + CGContextDrawImage(fl_gc, rect, img); + Fl_X::q_end_image(); + CFRelease(img); +#else // warning: there does not seem to be an equivalent to this function in Quartz // ScrollWindowRect is a QuickDraw function and won't work here. // Since on OS X all windows are fully double buffered, we need not @@ -161,6 +171,8 @@ void fl_scroll(int X, int Y, int W, int H, int dx, int dy, static RGBColor fg = { 0x0000, 0x0000, 0x0000 }; RGBForeColor( &fg ); CopyBits( GetPortBitMapForCopyBits( GetWindowPort(fl_window) ), GetPortBitMapForCopyBits( GetWindowPort(fl_window) ), &src, &dst, srcCopy, 0L); +#endif + #else # error unsupported platform #endif |