mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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83 lines
3.5 KiB
C++
83 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 MOZ_UNITS_H_
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#define MOZ_UNITS_H_
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#include "mozilla/gfx/Point.h"
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#include "nsDeviceContext.h"
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namespace mozilla {
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// The pixels that content authors use to specify sizes in.
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struct CSSPixel {
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static gfx::PointTyped<CSSPixel> FromAppUnits(const nsPoint &pt) {
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return gfx::PointTyped<CSSPixel>(NSAppUnitsToFloatPixels(pt.x, float(nsDeviceContext::AppUnitsPerCSSPixel())),
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NSAppUnitsToFloatPixels(pt.y, float(nsDeviceContext::AppUnitsPerCSSPixel())));
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}
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static nsPoint ToAppUnits(const gfx::PointTyped<CSSPixel> &pt) {
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return nsPoint(NSFloatPixelsToAppUnits(pt.x, float(nsDeviceContext::AppUnitsPerCSSPixel())),
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NSFloatPixelsToAppUnits(pt.y, float(nsDeviceContext::AppUnitsPerCSSPixel())));
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}
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static gfx::RectTyped<CSSPixel> FromAppUnits(const nsRect &rect) {
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return gfx::RectTyped<CSSPixel>(NSAppUnitsToFloatPixels(rect.x, float(nsDeviceContext::AppUnitsPerCSSPixel())),
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NSAppUnitsToFloatPixels(rect.y, float(nsDeviceContext::AppUnitsPerCSSPixel())),
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NSAppUnitsToFloatPixels(rect.width, float(nsDeviceContext::AppUnitsPerCSSPixel())),
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NSAppUnitsToFloatPixels(rect.height, float(nsDeviceContext::AppUnitsPerCSSPixel())));
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}
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};
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typedef gfx::PointTyped<CSSPixel> CSSPoint;
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typedef gfx::RectTyped<CSSPixel> CSSRect;
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typedef gfx::IntRectTyped<CSSPixel> CSSIntRect;
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struct LayerPixel {
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static gfx::IntPointTyped<LayerPixel> FromCSSPointRounded(const CSSPoint& pt, float resolutionX, float resolutionY) {
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return gfx::IntPointTyped<LayerPixel>(NS_lround(pt.x * resolutionX),
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NS_lround(pt.y * resolutionY));
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}
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static gfx::IntRectTyped<LayerPixel> FromCSSRectRounded(const CSSRect& rect, float resolutionX, float resolutionY) {
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return gfx::IntRectTyped<LayerPixel>(NS_lround(rect.x * resolutionX),
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NS_lround(rect.y * resolutionY),
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NS_lround(rect.width * resolutionX),
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NS_lround(rect.height * resolutionY));
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}
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static gfx::IntRectTyped<LayerPixel> FromCSSRectRoundOut(const CSSRect& rect, gfxFloat resolution) {
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gfx::RectTyped<LayerPixel> scaled(rect.x, rect.y, rect.width, rect.height);
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scaled.ScaleInverseRoundOut(resolution);
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return gfx::IntRectTyped<LayerPixel>(scaled.x, scaled.y, scaled.width, scaled.height);
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}
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static CSSIntRect ToCSSIntRectRoundIn(const gfx::IntRectTyped<LayerPixel>& rect, gfxFloat resolution) {
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gfx::IntRectTyped<CSSPixel> ret(rect.x, rect.y, rect.width, rect.height);
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ret.ScaleInverseRoundIn(resolution, resolution);
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return ret;
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}
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static CSSIntRect ToCSSIntRectRoundIn(const gfx::IntRectTyped<LayerPixel>& rect, gfxSize resolution) {
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gfx::IntRectTyped<CSSPixel> ret(rect.x, rect.y, rect.width, rect.height);
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ret.ScaleInverseRoundIn(resolution.width, resolution.height);
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return ret;
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}
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};
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typedef gfx::IntPointTyped<LayerPixel> LayerIntPoint;
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typedef gfx::IntSizeTyped<LayerPixel> LayerIntSize;
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typedef gfx::RectTyped<LayerPixel> LayerRect;
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typedef gfx::IntRectTyped<LayerPixel> LayerIntRect;
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struct ScreenPixel {
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};
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typedef gfx::PointTyped<ScreenPixel> ScreenPoint;
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};
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#endif
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