vcl/skia/gdiimpl.cxx | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
New commits:
commit a6f9edbd3bf74022083302c6d857b644d71d2b48
Author: Luboš Luňák <l.lu...@collabora.com>
AuthorDate: Mon May 25 12:55:45 2020 +0200
Commit: Luboš Luňák <l.lu...@collabora.com>
CommitDate: Mon May 25 13:52:08 2020 +0200
high quality scale when drawing scaled Skia image (tdf#133339)
Apparently even drawBitmap() may lead to image scaling.
Change-Id: I8665dfc4d12768c3824bbc45aaa72277168acc8d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/94781
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lu...@collabora.com>
diff --git a/vcl/skia/gdiimpl.cxx b/vcl/skia/gdiimpl.cxx
index b280f732425f..a2ccb12d406d 100644
--- a/vcl/skia/gdiimpl.cxx
+++ b/vcl/skia/gdiimpl.cxx
@@ -978,6 +978,9 @@ void SkiaSalGraphicsImpl::copyBits(const SalTwoRect&
rPosAry, SalGraphics* pSrcG
sk_sp<SkImage> image = src->mSurface->makeImageSnapshot();
SkPaint paint;
paint.setBlendMode(SkBlendMode::kSrc); // copy as is, including alpha
+ if (rPosAry.mnSrcWidth != rPosAry.mnDestWidth
+ || rPosAry.mnSrcHeight != rPosAry.mnDestHeight)
+ paint.setFilterQuality(kHigh_SkFilterQuality);
getDrawCanvas()->drawImageRect(image,
SkIRect::MakeXYWH(rPosAry.mnSrcX,
rPosAry.mnSrcY,
rPosAry.mnSrcWidth,
rPosAry.mnSrcHeight),
@@ -1365,9 +1368,12 @@ void SkiaSalGraphicsImpl::drawImage(const SalTwoRect&
rPosAry, const sk_sp<SkIma
SkPaint aPaint;
aPaint.setBlendMode(eBlendMode);
+ if (rPosAry.mnSrcWidth != rPosAry.mnDestWidth || rPosAry.mnSrcHeight !=
rPosAry.mnDestHeight)
+ aPaint.setFilterQuality(kHigh_SkFilterQuality);
preDraw();
- SAL_INFO("vcl.skia.trace", "drawimage(" << this << "): " << rPosAry << ":"
<< int(eBlendMode));
+ SAL_INFO("vcl.skia.trace",
+ "drawimage(" << this << "): " << rPosAry << ":" <<
SkBlendMode_Name(eBlendMode));
getDrawCanvas()->drawImageRect(aImage, aSourceRect, aDestinationRect,
&aPaint);
addXorRegion(aDestinationRect);
postDraw();
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