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32 lines
1.1 KiB
C++
32 lines
1.1 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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};
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typedef gfx::PointTyped<CSSPixel> CSSPoint;
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};
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#endif
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