49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 WindowGfx_h__
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#define WindowGfx_h__
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/*
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* nsWindowGfx - Painting and aceleration.
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*/
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#include "nsWindow.h"
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#include <imgIContainer.h>
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class nsISVGPaintContext;
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class nsWindowGfx {
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public:
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enum IconSizeType { kSmallIcon, kRegularIcon };
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static mozilla::LayoutDeviceIntSize GetIconMetrics(IconSizeType aSizeType);
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/**
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* Renders an imgIContainer to a HICON.
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* aContainer - the image to render.
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* aSVGContext - Optional CSS context properties to apply. Ignored if the
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* container is not an SVG image.
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* aIsCursor - true if this icon will be used as a mouse cursor.
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* aHotSpot - the position of the hot spot for a mouse cursor.
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* aScaledSize - the size of the icon to generate.
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* aIcon - Out parameter for the returned HICON. Required.
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*/
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static nsresult CreateIcon(imgIContainer* aContainer,
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nsISVGPaintContext* aSVGContext, bool aIsCursor,
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mozilla::LayoutDeviceIntPoint aHotspot,
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mozilla::LayoutDeviceIntSize aScaledSize,
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HICON* aIcon);
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private:
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/**
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* Cursor helpers
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*/
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static uint8_t* Data32BitTo1Bit(uint8_t* aImageData, uint32_t aWidth,
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uint32_t aHeight);
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static HBITMAP DataToBitmap(uint8_t* aImageData, uint32_t aWidth,
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uint32_t aHeight, uint32_t aDepth);
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};
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#endif // WindowGfx_h__
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