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-rw-r--r--widget/ThemeDrawing.h79
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_widget_ThemeDrawing_h
+#define mozilla_widget_ThemeDrawing_h
+
+#include "mozilla/layers/IpcResourceUpdateQueue.h"
+#include "mozilla/layers/RenderRootStateManager.h"
+#include "mozilla/layers/StackingContextHelper.h"
+#include "RetainedDisplayListBuilder.h"
+
+namespace mozilla::widget {
+
+struct WebRenderBackendData {
+ wr::DisplayListBuilder& mBuilder;
+ wr::IpcResourceUpdateQueue& mResources;
+ const layers::StackingContextHelper& mSc;
+ layers::RenderRootStateManager* mManager;
+};
+
+class ThemeDrawing {
+ protected:
+ using DrawTarget = gfx::DrawTarget;
+ using sRGBColor = gfx::sRGBColor;
+ using DPIRatio = CSSToLayoutDeviceScale;
+
+ public:
+ virtual ~ThemeDrawing() = 0;
+
+ static void FillRect(DrawTarget&, const LayoutDeviceRect&, const sRGBColor&);
+ static void FillRect(WebRenderBackendData&, const LayoutDeviceRect&,
+ const sRGBColor&);
+
+ // Returns the right scale for points in a aSize x aSize sized box, centered
+ // at 0x0 to fill aRect in the smaller dimension.
+ static float ScaleToFillRect(const LayoutDeviceRect& aRect,
+ const float& aSize) {
+ return std::min(aRect.width, aRect.height) / aSize;
+ }
+
+ static LayoutDeviceIntCoord SnapBorderWidth(const CSSCoord& aCssWidth,
+ const DPIRatio& aDpiRatio);
+
+ static void PaintArrow(DrawTarget&, const LayoutDeviceRect&,
+ const float aArrowPolygonX[],
+ const float aArrowPolygonY[],
+ const float aArrowPolygonSize,
+ const int32_t aArrowNumPoints,
+ const sRGBColor aFillColor);
+
+ static void PaintRoundedRectWithRadius(
+ DrawTarget&, const LayoutDeviceRect& aRect,
+ const LayoutDeviceRect& aClipRect, const sRGBColor& aBackgroundColor,
+ const sRGBColor& aBorderColor, const CSSCoord& aBorderWidth,
+ const CSSCoord& aRadius, const DPIRatio&);
+ static void PaintRoundedRectWithRadius(
+ WebRenderBackendData&, const LayoutDeviceRect& aRect,
+ const LayoutDeviceRect& aClipRect, const sRGBColor& aBackgroundColor,
+ const sRGBColor& aBorderColor, const CSSCoord& aBorderWidth,
+ const CSSCoord& aRadius, const DPIRatio&);
+ template <typename PaintBackendData>
+ static void PaintRoundedRectWithRadius(PaintBackendData& aData,
+ const LayoutDeviceRect& aRect,
+ const sRGBColor& aBackgroundColor,
+ const sRGBColor& aBorderColor,
+ const CSSCoord& aBorderWidth,
+ const CSSCoord& aRadius,
+ const DPIRatio& aDpiRatio) {
+ PaintRoundedRectWithRadius(aData, aRect, aRect, aBackgroundColor,
+ aBorderColor, aBorderWidth, aRadius, aDpiRatio);
+ }
+};
+
+} // namespace mozilla::widget
+
+#endif