diff options
| author | Kevin Walzer <kw@codebykevin.com> | 2016-07-15 10:46:56 (GMT) |
|---|---|---|
| committer | Kevin Walzer <kw@codebykevin.com> | 2016-07-15 10:46:56 (GMT) |
| commit | dd3deac9990a92730e998c6ae282fe02cde5a700 (patch) | |
| tree | 5136088d70a7fe010e59b99288f068d4770107b6 /macosx/tkMacOSXDraw.c | |
| parent | 96e1dfb2816cd8f2790d1a533b7065735fd3c7bf (diff) | |
| download | tk-dd3deac9990a92730e998c6ae282fe02cde5a700.zip tk-dd3deac9990a92730e998c6ae282fe02cde5a700.tar.gz tk-dd3deac9990a92730e998c6ae282fe02cde5a700.tar.bz2 | |
Fix for image/alpha rendering under hidpi/Retina displays on Mac OS; thanks to Marc Culler for assistance
Diffstat (limited to 'macosx/tkMacOSXDraw.c')
| -rw-r--r-- | macosx/tkMacOSXDraw.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/macosx/tkMacOSXDraw.c b/macosx/tkMacOSXDraw.c index d9b909b..f48538d 100644 --- a/macosx/tkMacOSXDraw.c +++ b/macosx/tkMacOSXDraw.c @@ -399,9 +399,11 @@ TkPutImage( CGImageRef img = CreateCGImageWithXImage(image); if (img) { + /* If the XImage has big pixels, rescale the source dimensions.*/ + int pp = image->pixelpower; DrawCGImage(d, gc, dc.context, img, gc->foreground, gc->background, - CGRectMake(0, 0, image->width, image->height), - CGRectMake(src_x, src_y, width, height), + CGRectMake(0, 0, image->width<<pp, image->height<<pp), + CGRectMake(src_x<<pp, src_y<<pp, width<<pp, height<<pp), CGRectMake(dest_x, dest_y, width, height)); CFRelease(img); } else { |