diff options
| author | Luboš Luňák <l.lunak@collabora.com> | 2020-05-25 12:55:45 +0200 |
|---|---|---|
| committer | Luboš Luňák <l.lunak@collabora.com> | 2020-05-25 13:52:08 +0200 |
| commit | a6f9edbd3bf74022083302c6d857b644d71d2b48 (patch) | |
| tree | 3080fe5f79a7c2e576a26eace18e0dc075e52150 /vcl | |
| parent | ed2c880a691a0b179bbc92a8ce4ee49eac004035 (diff) | |
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.lunak@collabora.com>
Diffstat (limited to 'vcl')
| -rw-r--r-- | vcl/skia/gdiimpl.cxx | 8 |
1 files changed, 7 insertions, 1 deletions
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(); |