127 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
// Copyright (c) 2016-2018 Easy2D - Nomango
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// 
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// 
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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// 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#pragma once
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#include "macros.h"
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#include <d2d1.h>
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#include <dwrite.h>
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namespace easy2d
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{
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	class ITextRenderer
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		: public IDWriteTextRenderer
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	{
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	public:
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		static HRESULT Create(
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			ITextRenderer** ppTextRenderer,
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			ID2D1Factory* pD2DFactory,
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			ID2D1HwndRenderTarget* pRT,
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			ID2D1SolidColorBrush* pBrush
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		);
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		STDMETHOD_(void, SetTextStyle)(
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			CONST D2D1_COLOR_F &fillColor,
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			BOOL outline,
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			CONST D2D1_COLOR_F &outline_color,
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			FLOAT outline_width,
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			D2D1_LINE_JOIN outlineJoin
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		);
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		STDMETHOD(DrawGlyphRun)(
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			__maybenull void* clientDrawingContext,
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			FLOAT baselineOriginX,
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			FLOAT baselineOriginY,
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			DWRITE_MEASURING_MODE measuringMode,
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			__in DWRITE_GLYPH_RUN const* glyphRun,
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			__in DWRITE_GLYPH_RUN_DESCRIPTION const* glyphRunDescription,
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			IUnknown* clientDrawingEffect
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		);
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		STDMETHOD(DrawUnderline)(
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			__maybenull void* clientDrawingContext,
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			FLOAT baselineOriginX,
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			FLOAT baselineOriginY,
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			__in DWRITE_UNDERLINE const* underline,
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			IUnknown* clientDrawingEffect
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		);
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		STDMETHOD(DrawStrikethrough)(
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			__maybenull void* clientDrawingContext,
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			FLOAT baselineOriginX,
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			FLOAT baselineOriginY,
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			__in DWRITE_STRIKETHROUGH const* strikethrough,
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			IUnknown* clientDrawingEffect
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		);
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		STDMETHOD(DrawInlineObject)(
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			__maybenull void* clientDrawingContext,
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			FLOAT originX,
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			FLOAT originY,
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			IDWriteInlineObject* inlineObject,
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			BOOL IsSideways,
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			BOOL IsRightToLeft,
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			IUnknown* clientDrawingEffect
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		);
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		STDMETHOD(IsPixelSnappingDisabled)(
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			__maybenull void* clientDrawingContext,
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			__out BOOL* isDisabled
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		);
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		STDMETHOD(GetCurrentTransform)(
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			__maybenull void* clientDrawingContext,
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			__out DWRITE_MATRIX* transform
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		);
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		STDMETHOD(GetPixelsPerDip)(
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			__maybenull void* clientDrawingContext,
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			__out FLOAT* pixelsPerDip
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		);
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	public:
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		unsigned long STDMETHODCALLTYPE AddRef();
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		unsigned long STDMETHODCALLTYPE Release();
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		HRESULT STDMETHODCALLTYPE QueryInterface(
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			IID const& riid,
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			void** ppvObject
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		);
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	private:
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		ITextRenderer(
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			ID2D1Factory* pD2DFactory,
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			ID2D1HwndRenderTarget* pRT,
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			ID2D1SolidColorBrush* pBrush
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		);
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		~ITextRenderer();
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	private:
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		unsigned long			cRefCount_;
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		D2D1_COLOR_F			sFillColor_;
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		D2D1_COLOR_F			sOutlineColor_;
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		FLOAT					fOutlineWidth;
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		BOOL					bShowOutline_;
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		ID2D1Factory*			pD2DFactory_;
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		ID2D1HwndRenderTarget*	pRT_;
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		ID2D1SolidColorBrush*	pBrush_;
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		ID2D1StrokeStyle*		pCurrStrokeStyle_;
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	};
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}
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