50 lines
2.2 KiB
Diff
50 lines
2.2 KiB
Diff
From da5f9d788f96340a44083ed4e28cdf6ea0a393f0 Mon Sep 17 00:00:00 2001
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From: Konstantin Tokarev <annulen@yandex.ru>
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Date: Tue, 24 May 2016 15:25:43 +0300
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Subject: [PATCH 9/9] Fixed drawing of zoomed border-image with repeat mode.
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Image::drawPattern has special optimized path for scaled transform which
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creates pre-scaled brush and removes scale from original transform.
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However this change makes following translation to (tr.x(), tr.y())
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incorrect because it is expected to be done in scaled coordinate system.
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Change-Id: I570cf82a4e7f61f6abe3fa4cb9b39aea0e51f2e5
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Task-number: QTBUG-53532
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Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
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---
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Source/WebCore/platform/graphics/qt/ImageQt.cpp | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/Source/WebCore/platform/graphics/qt/ImageQt.cpp b/Source/WebCore/platform/graphics/qt/ImageQt.cpp
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index 9e4408b..f30284b 100644
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--- a/Source/WebCore/platform/graphics/qt/ImageQt.cpp
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+++ b/Source/WebCore/platform/graphics/qt/ImageQt.cpp
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@@ -156,6 +156,8 @@ void Image::drawPattern(GraphicsContext* ctxt, const FloatRect& tileRect, const
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if (tr.x() || tr.y() || tr.width() != pixmap.width() || tr.height() != pixmap.height())
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pixmap = pixmap.copy(tr);
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+ QPoint trTopLeft = tr.topLeft();
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+
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CompositeOperator previousOperator = ctxt->compositeOperation();
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ctxt->setCompositeOperation(!pixmap.hasAlpha() && op == CompositeSourceOver ? CompositeCopy : op);
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@@ -180,13 +182,14 @@ void Image::drawPattern(GraphicsContext* ctxt, const FloatRect& tileRect, const
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painter.drawPixmap(QRect(0, 0, scaledPixmap.width(), scaledPixmap.height()), pixmap);
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}
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pixmap = scaledPixmap;
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+ trTopLeft = transform.map(trTopLeft);
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transform = QTransform::fromTranslate(transform.dx(), transform.dy());
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}
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}
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/* Translate the coordinates as phase is not in world matrix coordinate space but the tile rect origin is. */
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transform *= QTransform().translate(phase.x(), phase.y());
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- transform.translate(tr.x(), tr.y());
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+ transform.translate(trTopLeft.x(), trTopLeft.y());
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QBrush b(pixmap);
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b.setTransform(transform);
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--
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2.7.4
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