[Libreoffice-commits] core.git: Branch 'libreoffice-7-1' - drawinglayer/source

[Luboš Luňák (via logerrit)]

 drawinglayer/source/processor2d/vclpixelprocessor2d.cxx |   24 ++++++++++------
 1 file changed, 16 insertions(+), 8 deletions(-)

New commits:
commit 887f1dbbda9dd371f52111c2f5a3bbbc67fc5615
Author:     Luboš Luňák <l.lu...@collabora.com>
AuthorDate: Fri May 21 14:48:58 2021 +0200
Commit:     Luboš Luňák <l.lu...@collabora.com>
CommitDate: Fri May 21 19:35:11 2021 +0200

    properly draw only parts of FillGradientPrimitive2D (tdf#139000)
    
    The size of the whole gradient is getDefinitionRange(), while
    getOutputRange() gives the area of it to draw.
    
    Change-Id: I85dd7fe51bcc9c332a6fb0e6748d5ac89266b910
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/115923
    Tested-by: Jenkins
    Reviewed-by: Luboš Luňák <l.lu...@collabora.com>
    (cherry picked from commit 9bf9fea0afadef0912d38f0d08b2bf2959569100)
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/115850

diff --git a/drawinglayer/source/processor2d/vclpixelprocessor2d.cxx 
b/drawinglayer/source/processor2d/vclpixelprocessor2d.cxx
index ebbc41744734..47f39e87bf8b 100644
--- a/drawinglayer/source/processor2d/vclpixelprocessor2d.cxx
+++ b/drawinglayer/source/processor2d/vclpixelprocessor2d.cxx
@@ -1207,13 +1207,6 @@ void VclPixelProcessor2D::processFillGradientPrimitive2D(
 
     GradientStyle eGradientStyle = 
convertGradientStyle(rFillGradient.getStyle());
 
-    basegfx::B2DRange aRange(rPrimitive.getOutputRange());
-    aRange.transform(maCurrentTransformation);
-
-    const tools::Rectangle aRectangle(
-        sal_Int32(std::floor(aRange.getMinX())), 
sal_Int32(std::floor(aRange.getMinY())),
-        sal_Int32(std::ceil(aRange.getMaxX())), 
sal_Int32(std::ceil(aRange.getMaxY())));
-
     Gradient aGradient(eGradientStyle, Color(rFillGradient.getStartColor()),
                        Color(rFillGradient.getEndColor()));
 
@@ -1223,7 +1216,22 @@ void VclPixelProcessor2D::processFillGradientPrimitive2D(
     aGradient.SetOfsY(rFillGradient.getOffsetY() * 100.0);
     aGradient.SetSteps(rFillGradient.getSteps());
 
-    mpOutputDevice->DrawGradient(aRectangle, aGradient);
+    basegfx::B2DRange aOutputRange(rPrimitive.getOutputRange());
+    aOutputRange.transform(maCurrentTransformation);
+    basegfx::B2DRange aFullRange(rPrimitive.getDefinitionRange());
+    aFullRange.transform(maCurrentTransformation);
+
+    const tools::Rectangle aOutputRectangle(
+        std::floor(aOutputRange.getMinX()), std::floor(aOutputRange.getMinY()),
+        std::ceil(aOutputRange.getMaxX()), std::ceil(aOutputRange.getMaxY()));
+    const tools::Rectangle aFullRectangle(
+        std::floor(aFullRange.getMinX()), std::floor(aFullRange.getMinY()),
+        std::ceil(aFullRange.getMaxX()), std::ceil(aFullRange.getMaxY()));
+
+    mpOutputDevice->Push(PushFlags::CLIPREGION);
+    mpOutputDevice->IntersectClipRegion(aOutputRectangle);
+    mpOutputDevice->DrawGradient(aFullRectangle, aGradient);
+    mpOutputDevice->Pop();
 }
 
 } // end of namespace
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