зеркало из https://github.com/mozilla/gecko-dev.git
80 строки
3.2 KiB
C
80 строки
3.2 KiB
C
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_widget_ThemeDrawing_h
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#define mozilla_widget_ThemeDrawing_h
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#include "mozilla/layers/IpcResourceUpdateQueue.h"
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#include "mozilla/layers/RenderRootStateManager.h"
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#include "mozilla/layers/StackingContextHelper.h"
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#include "RetainedDisplayListBuilder.h"
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namespace mozilla::widget {
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struct WebRenderBackendData {
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wr::DisplayListBuilder& mBuilder;
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wr::IpcResourceUpdateQueue& mResources;
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const layers::StackingContextHelper& mSc;
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layers::RenderRootStateManager* mManager;
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};
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class ThemeDrawing {
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protected:
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using DrawTarget = gfx::DrawTarget;
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using sRGBColor = gfx::sRGBColor;
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using DPIRatio = CSSToLayoutDeviceScale;
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public:
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virtual ~ThemeDrawing() = 0;
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static void FillRect(DrawTarget&, const LayoutDeviceRect&, const sRGBColor&);
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static void FillRect(WebRenderBackendData&, const LayoutDeviceRect&,
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const sRGBColor&);
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// Returns the right scale for points in a aSize x aSize sized box, centered
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// at 0x0 to fill aRect in the smaller dimension.
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static float ScaleToFillRect(const LayoutDeviceRect& aRect,
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const float& aSize) {
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return std::min(aRect.width, aRect.height) / aSize;
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}
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static LayoutDeviceIntCoord SnapBorderWidth(const CSSCoord& aCssWidth,
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const DPIRatio& aDpiRatio);
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static void PaintArrow(DrawTarget&, const LayoutDeviceRect&,
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const float aArrowPolygonX[],
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const float aArrowPolygonY[],
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const float aArrowPolygonSize,
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const int32_t aArrowNumPoints,
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const sRGBColor aFillColor);
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static void PaintRoundedRectWithRadius(
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DrawTarget&, const LayoutDeviceRect& aRect,
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const LayoutDeviceRect& aClipRect, const sRGBColor& aBackgroundColor,
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const sRGBColor& aBorderColor, const CSSCoord& aBorderWidth,
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const CSSCoord& aRadius, const DPIRatio&);
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static void PaintRoundedRectWithRadius(
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WebRenderBackendData&, const LayoutDeviceRect& aRect,
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const LayoutDeviceRect& aClipRect, const sRGBColor& aBackgroundColor,
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const sRGBColor& aBorderColor, const CSSCoord& aBorderWidth,
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const CSSCoord& aRadius, const DPIRatio&);
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template <typename PaintBackendData>
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static void PaintRoundedRectWithRadius(PaintBackendData& aData,
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const LayoutDeviceRect& aRect,
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const sRGBColor& aBackgroundColor,
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const sRGBColor& aBorderColor,
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const CSSCoord& aBorderWidth,
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const CSSCoord& aRadius,
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const DPIRatio& aDpiRatio) {
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PaintRoundedRectWithRadius(aData, aRect, aRect, aBackgroundColor,
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aBorderColor, aBorderWidth, aRadius, aDpiRatio);
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}
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};
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} // namespace mozilla::widget
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#endif
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