91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/*
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Copyright (C) 2013 Birunthan Mohanathas
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef RM_GFX_CANVASGDIP_H_
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#define RM_GFX_CANVASGDIP_H_
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#include "Canvas.h"
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#include "FontCollectionGDIP.h"
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#include "TextFormatGDIP.h"
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#include <memory>
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#include <string>
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#include <ole2.h> // For Gdiplus.h.
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#include <GdiPlus.h>
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namespace Gfx {
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// Provides a GDI+ implementation of Canvas.
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class CanvasGDIP : public Canvas
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{
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public:
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virtual void Resize(int w, int h);
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virtual bool BeginDraw();
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virtual void EndDraw();
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virtual Gdiplus::Graphics& BeginGdiplusContext() override;
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virtual void EndGdiplusContext() override;
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virtual HDC GetDC() override;
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virtual HBITMAP GetBitmap() override;
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virtual void ReleaseDC(HDC dc) override;
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virtual FontCollection* CreateFontCollection() override { return new FontCollectionGDIP(); }
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virtual TextFormat* CreateTextFormat() override { return new TextFormatGDIP(); }
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virtual bool IsTransparentPixel(int x, int y) override;
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virtual void SetTransform(const Gdiplus::Matrix& matrix) override;
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virtual void ResetTransform() override;
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virtual void RotateTransform(float angle, float x, float y, float dx, float dy) override;
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virtual void SetAntiAliasing(bool enable) override;
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virtual void SetTextAntiAliasing(bool enable) override;
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virtual void Clear(const Gdiplus::Color& color) override;
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virtual void DrawTextW(const WCHAR* str, UINT strLen, const TextFormat& format, Gdiplus::RectF& rect, const Gdiplus::SolidBrush& brush) override;
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virtual bool MeasureTextW(const WCHAR* str, UINT strLen, const TextFormat& format, Gdiplus::RectF& rect) override;
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virtual bool MeasureTextLinesW(const WCHAR* str, UINT strLen, const TextFormat& format, Gdiplus::RectF& rect, UINT& lines) override;
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virtual void DrawBitmap(Gdiplus::Bitmap* bitmap, const Gdiplus::Rect& dstRect, const Gdiplus::Rect& srcRect) override;
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virtual void FillRectangle(Gdiplus::Rect& rect, const Gdiplus::SolidBrush& brush) override;
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private:
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friend class Canvas;
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CanvasGDIP();
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~CanvasGDIP();
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CanvasGDIP(const CanvasGDIP& other) = delete;
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CanvasGDIP& operator=(CanvasGDIP other) = delete;
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void Dispose();
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std::unique_ptr<Gdiplus::Graphics> m_Graphics;
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std::unique_ptr<Gdiplus::Bitmap> m_Bitmap;
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HBITMAP m_DIBSection;
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LPDWORD m_DIBSectionPixels;
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//static ULONG_PTR c_GdiToken;
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};
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} // namespace Gfx
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#endif |