nux-1.16.0
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00001 /* 00002 * Copyright 2010 Inalogic® Inc. 00003 * 00004 * This program is free software: you can redistribute it and/or modify it 00005 * under the terms of the GNU Lesser General Public License, as 00006 * published by the Free Software Foundation; either version 2.1 or 3.0 00007 * of the License. 00008 * 00009 * This program is distributed in the hope that it will be useful, but 00010 * WITHOUT ANY WARRANTY; without even the implied warranties of 00011 * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR 00012 * PURPOSE. See the applicable version of the GNU Lesser General Public 00013 * License for more details. 00014 * 00015 * You should have received a copy of both the GNU Lesser General Public 00016 * License along with this program. If not, see <http://www.gnu.org/licenses/> 00017 * 00018 * Authored by: Jay Taoko <jaytaoko@inalogic.com> 00019 * 00020 */ 00021 00022 00023 #ifndef FONTRENDERER_H 00024 #define FONTRENDERER_H 00025 00026 #include "GLResource.h" 00027 00028 class IOpenGLPixelShader; 00029 00030 namespace nux 00031 { 00032 00033 class GraphicsEngine; 00034 class TextureRectangle; 00035 class ICgPixelShader; 00036 class ICgVertexShader; 00037 class TemplateQuadBuffer; 00038 class FontTexture; 00039 00040 class FontRenderer 00041 { 00042 public: 00043 FontRenderer (GraphicsEngine &OpenGLEngine); 00044 ~FontRenderer(); 00045 00046 int DrawColorString (ObjectPtr<FontTexture> Font, int x, int y, const NString &str, const Color &color, bool WriteAlphaChannel, int NumCharacter = 0, int SkipFirstNCharacters = 0); 00047 void PositionString (ObjectPtr<FontTexture> Font, const NString &str, const PageBBox &, StringBBox &, TextAlignment align = eAlignTextCenter, int NumCharacter = 0); 00048 int RenderColorText (ObjectPtr<FontTexture> Font, int x, int y, const NString &Str, const Color &color, bool WriteAlphaChannel, int NumCharacter); 00049 int RenderColorTextLineStatic (ObjectPtr<FontTexture> Font, const PageBBox &pageSize, const NString &Str, const Color &color, 00050 bool WriteAlphaChannel, TextAlignment alignment); 00051 int RenderColorTextLineEdit (ObjectPtr<FontTexture> Font, const PageBBox &pageSize, const NString &Str, 00052 const Color &TextColor, 00053 bool WriteAlphaChannel, 00054 const Color &SelectedTextColor, 00055 const Color &SelectedTextBackgroundColor, 00056 const Color &TextBlinkColor, 00057 const Color &CursorColor, 00058 bool ShowCursor, unsigned int CursorPosition, 00059 int offset = 0, int selection_start = 0, int selection_end = 0); 00060 00061 int RenderText (ObjectPtr<FontTexture> Font, int x, int y, const NString &str, const Color &color, bool WriteAlphaChannel, int StartCharacter = 0, int NumCharacters = 0); 00062 int RenderTextToBuffer ( 00063 float *VertexBuffer, int VBSize, 00064 ObjectPtr<FontTexture> Font, Rect geo, const NString &str, const Color &color, TextAlignment alignment = eAlignTextCenter, int NumCharacter = 0); 00065 00066 private: 00067 GraphicsEngine& _graphics_engine; 00068 ObjectPtr<IOpenGLPixelShader> _pixel_shader_prog; 00069 ObjectPtr<IOpenGLVertexShader> _vertex_shader_prog; 00070 ObjectPtr<IOpenGLShaderProgram> _shader_prog; 00071 00072 //ObjectPtr<IOpenGLAsmPixelShader> m_AsmPixelShaderProg; 00073 //ObjectPtr<IOpenGLAsmVertexShader> m_AsmVertexShaderProg; 00074 ObjectPtr<IOpenGLAsmShaderProgram> _asm_shader_prog; 00075 00076 ObjectPtr<IOpenGLAsmShaderProgram> _asm_font_texture_rect_prog; 00077 }; 00078 00079 } 00080 00081 #endif //FONTRENDERER_H