Init

kaplademo/source/demoFramework/GLFontRenderer.h

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+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//  * Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//  * Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//  * Neither the name of NVIDIA CORPORATION nor the names of its
+//    contributors may be used to endorse or promote products derived
+//    from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.
+
+#ifndef __GL_FONT_RENDERER__
+#define __GL_FONT_RENDERER__
+
+#include "foundation/PxVec3.h"
+#include "PsArray.h"
+
+using namespace physx;
+
+enum FontColor
+{
+	FNT_COLOR_BLUE			= 0xffff0000,
+	FNT_COLOR_GREEN			= 0xff00ff00,
+	FNT_COLOR_RED			= 0xff0000ff,
+
+	FNT_COLOR_DARK_BLUE		= 0xff800000,
+	FNT_COLOR_DARK_GREEN	= 0xff008000,
+	FNT_COLOR_DARK_RED		= 0xff000080,
+
+	FNT_COLOR_WHITE			= 0xffffffff
+};
+
+struct GLFontMeasureResult
+{
+	float width;
+	float height;
+	GLFontMeasureResult( float w, float h )
+		: width( w )
+		, height( h )
+	{
+	}
+};
+
+class GLFontRenderer{
+	
+private:
+
+	bool m_isInit;
+	unsigned int m_textureObject;
+	int m_screenWidth;
+	int m_screenHeight;
+	unsigned int m_color;
+	shdfnd::Array<PxF32>	mVertList;
+	shdfnd::Array<PxF32>	mTextureCoordList;
+	template<typename TOperator>
+	void print( float fontSize, const char* pString, bool forceMonoSpace, int monoSpaceWidth, bool doOthoProj, TOperator inOperator );
+
+public:
+	GLFontRenderer() : m_isInit(false), m_textureObject(0), m_screenWidth(0), m_screenHeight(0) {}
+	
+	bool init();
+	void print(float x, float y, float fontSize, const char* pString, bool forceMonoSpace=false, int monoSpaceWidth=11, bool doOrthoProj=true);
+	GLFontMeasureResult measure( float fontSize, const char* pString, bool forceMonoSpace=false, int monoSpaceWidth=11 );
+
+	void print3d(const physx::PxVec3& pos, const physx::PxVec3& cameraDir, const physx::PxVec3& up, float fontSize, const char* pString, bool forceMonoSpace=false, int monoSpaceWidth=11);
+	void setScreenResolution(int screenWidth, int screenHeight);
+	void getScreenResolution( int& screenWidth, int& screenHeight ) { screenWidth = m_screenWidth; screenHeight = m_screenHeight; }
+
+	// PT: contrary to what the comment said before the format is abgr:
+	// 0xffff0000 = blue
+	// 0xff00ff00 = green
+	// 0xff0000ff = red
+	void setColor(unsigned int abgr);
+};
+
+#endif // __GL_FONT_RENDERER__