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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
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