void CFont::Init() { vec4 white = { { 1.0, 1.0, 1.0, 1.0 } }; vec4 none = { { 1.0, 1.0, 1.0, 0.0 } }; buffer = text_buffer_new(); std::string fontName(FONT_NAME); fontPath = GetSystemFontFile(fontName); normal.family = (char*)fontPath.c_str(); normal.size = 13.0f; normal.bold = 0; normal.italic = 0; normal.spacing = 0.0; normal.gamma = 2.; normal.foreground_color = white; normal.background_color = none; normal.underline = 0; normal.underline_color = white; normal.overline = 0; normal.overline_color = white; normal.strikethrough = 0; normal.strikethrough_color = white; mat4_set_identity(&projection); mat4_set_identity(&model); mat4_set_identity(&view); }
/* ------------------------------------------------------------------ main - */ int main( int argc, char **argv ) { glutInit( &argc, argv ); glutInitWindowSize( 800, 500 ); glutInitDisplayMode( GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH ); glutCreateWindow( argv[0] ); glutReshapeFunc( reshape ); glutDisplayFunc( display ); glutKeyboardFunc( keyboard ); #ifndef __APPLE__ GLenum err = glewInit(); if (GLEW_OK != err) { /* Problem: glewInit failed, something is seriously wrong. */ fprintf( stderr, "Error: %s\n", glewGetErrorString(err) ); exit( EXIT_FAILURE ); } fprintf( stderr, "Using GLEW %s\n", glewGetString(GLEW_VERSION) ); #endif buffer = text_buffer_new( LCD_FILTERING_OFF ); vec4 black = {{0.0, 0.0, 0.0, 1.0}}; vec4 none = {{1.0, 1.0, 1.0, 0.0}}; markup_t markup; markup.family = "fonts/VeraMono.ttf", markup.size = 15.0; markup.bold = 0; markup.italic = 0; markup.rise = 0.0; markup.spacing = 0.0; markup.gamma = 1.0; markup.foreground_color = black; markup.background_color = none; markup.underline = 0; markup.underline_color = black; markup.overline = 0; markup.overline_color = black; markup.strikethrough = 0; markup.strikethrough_color = black; markup.font = 0; vec2 pen = {{10.0, 480.0}}; FILE *file = fopen ( "data/256colors.txt", "r" ); if ( file != NULL ) { wchar_t line[1024]; while( fgetws ( line, sizeof(line), file ) != NULL ) { print( buffer, &pen, line, &markup ); } fclose ( file ); } mat4_set_identity( &projection ); mat4_set_identity( &model ); mat4_set_identity( &view ); glutMainLoop( ); return 0; }
// ------------------------------------------------------------------- init --- void init( void ) { buffer = text_buffer_new( LCD_FILTERING_OFF, "../media/shaders/text.vert", "../media/shaders/text.frag" ); vec4 black = {{0.0, 0.0, 0.0, 1.0}}; vec4 none = {{1.0, 1.0, 1.0, 0.0}}; markup_t markup; markup.family = "../media/fonts/VeraMono.ttf"; markup.size = 15.0; markup.bold = 0; markup.italic = 0; markup.rise = 0.0; markup.spacing = 0.0; markup.gamma = 1.0; markup.foreground_color = black; markup.background_color = none; markup.underline = 0; markup.underline_color = black; markup.overline = 0; markup.overline_color = black; markup.strikethrough = 0; markup.strikethrough_color = black; markup.font = 0; vec2 pen = {{10.0, 480.0}}; FILE *file = fopen ( "../media/color-data/256colors.txt", "r" ); if ( file != NULL ) { char line[1024]; while( fgets ( line, sizeof(line), file ) != NULL ) { print( buffer, &pen, line, &markup ); } fclose ( file ); } mat4_set_identity( &projection ); mat4_set_identity( &model ); mat4_set_identity( &view ); }
void TextRender::setup_other_text() { m_text_buffer = text_buffer_new(LCD_FILTERING_OFF); vec4 black = { { 0.0, 0.0, 0.0, 1.0 } }; vec4 white = { { 1.0, 1.0, 1.0, 1.0 } }; vec4 none = { { 1.0, 1.0, 1.0, 0.0 } }; m_pen = { { 10.0, 480.0 } }; m_markup.family = "fonts/VeraMono.ttf", m_markup.size = 15.0; m_markup.bold = 0; m_markup.italic = 0; m_markup.rise = 0.0; m_markup.spacing = 0.0; m_markup.gamma = 1.0; m_markup.foreground_color = white; m_markup.background_color = none; m_markup.underline = 0; m_markup.underline_color = black; m_markup.overline = 0; m_markup.overline_color = black; m_markup.strikethrough = 0; m_markup.strikethrough_color = black; m_markup.font = 0; }
// ------------------------------------------------------------------- main --- int main( int argc, char **argv ) { #ifndef FT_CONFIG_OPTION_SUBPIXEL_RENDERING fprintf(stderr, "This demo requires freetype to be compiled " "with subpixel rendering.\n"); exit( EXIT_FAILURE) ; #endif glutInit( &argc, argv ); glutInitWindowSize( 260, 330 ); glutInitDisplayMode( GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH ); glutCreateWindow( argv[0] ); glutReshapeFunc( reshape ); glutDisplayFunc( display ); glutKeyboardFunc( keyboard ); #ifndef __APPLE__ glewExperimental = GL_TRUE; GLenum err = glewInit(); if (GLEW_OK != err) { /* Problem: glewInit failed, something is seriously wrong. */ fprintf( stderr, "Error: %s\n", glewGetErrorString(err) ); exit( EXIT_FAILURE ); } fprintf( stderr, "Using GLEW %s\n", glewGetString(GLEW_VERSION) ); #endif buffer = vertex_buffer_new( "vertex:3f,color:4f" ); vertex_t vertices[4*2] = { { 15, 0,0, 0,0,0,1}, { 15,330,0, 0,0,0,1}, {245, 0,0, 0,0,0,1}, {245,330,0, 0,0,0,1} }; GLuint indices[4*3] = { 0,1,2,3, }; vertex_buffer_push_back( buffer, vertices, 4, indices, 4 ); text_buffer = text_buffer_new( LCD_FILTERING_ON ); vec4 black = {{0.0, 0.0, 0.0, 1.0}}; text_buffer->base_color = black; vec4 none = {{1.0, 1.0, 1.0, 0.0}}; markup_t markup; markup.family = "fonts/Vera.ttf"; markup.size = 9.0; markup.bold = 0; markup.italic = 0; markup.rise = 0.0; markup.spacing = 0.0; markup.gamma = 1.0; markup.foreground_color = black; markup.background_color = none; markup.underline = 0; markup.underline_color = black; markup.overline = 0; markup.overline_color = black; markup.strikethrough = 0; markup.strikethrough_color = black; markup.font = 0; size_t i; vec2 pen = {{20, 320}}; wchar_t *text = L"| A Quick Brown Fox Jumps Over The Lazy Dog\n"; for( i=0; i < 30; ++i) { text_buffer_add_text( text_buffer, &pen, &markup, text, wcslen(text) ); pen.x += i*0.1; } shader = shader_load("shaders/v3f-c4f.vert", "shaders/v3f-c4f.frag"); mat4_set_identity( &projection ); mat4_set_identity( &model ); mat4_set_identity( &view ); glutMainLoop( ); return 0; }
// ------------------------------------------------------------------- init --- void init( GLFWwindow* window ) { // Create a new tweak bar bar = TwNewBar("TweakBar"); TwDefine("GLOBAL " "help = 'This example shows how to tune all font parameters.' "); TwDefine("TweakBar " "size = '280 400' " "position = '500 20' " "color = '127 127 127' " "alpha = 240 " "label = 'Parameters' " "resizable = True " "fontresizable = True " "iconifiable = True "); { TwEnumVal familyEV[NUM_FONTS] = { {VERA, "Vera"}, {VERA_MONO, "Vera Mono"}, {LUCKIEST_GUY, "Luckiest Guy"}, {SOURCE_SANS, "Source Sans Pro"}, {SOURCE_CODE, "Source Code Pro"}, {OLD_STANDARD, "Old Standard TT"}, {LOBSTER, "Lobster"} }; TwType family_type = TwDefineEnum("Family", familyEV, NUM_FONTS); TwAddVarCB(bar, "Family", family_type, set_int, get_int, &p_family, "label = 'Family' " "group = 'Font' " "help = ' ' "); } TwAddVarCB(bar, "Size", TW_TYPE_FLOAT, set_float, get_float, &p_size, "label = 'Size' " "group = 'Font' " "min = 6.0 " "max = 24.0 " "step = 0.05 " "help = ' ' "); TwAddVarCB(bar, "LCD filtering", TW_TYPE_BOOL32, set_lcd_filtering, get_lcd_filtering, NULL, "label = 'LCD filtering' " "group = 'Font' " "help = ' ' "); // Rendering TwAddVarCB(bar, "Kerning", TW_TYPE_BOOL32, set_int, get_int, &p_kerning, "label = 'Kerning' " "group = 'Rendering' " "help = ' ' "); TwAddVarCB(bar, "Hinting", TW_TYPE_BOOL32, set_int, get_int, &p_hinting, "label = 'Hinting' " "group = 'Rendering' " "help = ' ' "); // Color TwAddVarCB(bar, "Invert", TW_TYPE_BOOL32, set_int, get_int, &p_invert, "label = 'Invert' " "group = 'Color' " "help = ' ' "); // Glyph TwAddVarCB(bar, "Width", TW_TYPE_FLOAT, set_float, get_float, &p_width, "label = 'Width' " "group = 'Glyph' " "min = 0.75 " "max = 1.25 " "step = 0.01 " "help = ' ' "); TwAddVarCB(bar, "Interval", TW_TYPE_FLOAT, set_float, get_float, &p_interval, "label = 'Spacing' " "group = 'Glyph' " "min = -0.2 " "max = 0.2 " "step = 0.01 " "help = ' ' " ); TwAddVarCB(bar, "Faux italic", TW_TYPE_FLOAT, set_float, get_float, &p_faux_italic, "label = 'Faux italic' " "group = 'Glyph' " "min = -30.0 " "max = 30.0 " "step = 0.1 " "help = ' ' "); // Energy distribution TwAddVarCB(bar, "Primary", TW_TYPE_FLOAT, set_float, get_float, &p_primary, "label = 'Primary weight' " "group = 'Energy distribution' " "min = 0 " "max = 1 " "step = 0.01 " "help = ' ' " ); TwAddVarCB(bar, "Secondary", TW_TYPE_FLOAT, set_float, get_float, &p_secondary, "label = 'Secondy weight' " "group = 'Energy distribution' " "min = 0 " "max = 1 " "step = 0.01 " "help = ' ' " ); TwAddVarCB(bar, "Tertiary", TW_TYPE_FLOAT, set_float, get_float, &p_tertiary, "label = 'Tertiary weight' " "group = 'Energy distribution' " "min = 0 " "max = 1 " "step = 0.01 " "help = ' ' " ); TwAddSeparator(bar, "", "group = 'Energy distribution' " ); TwAddVarCB(bar, "Gamma", TW_TYPE_FLOAT, set_float, get_float, &p_gamma, "label = 'Gamma correction' " "group = 'Energy distribution' " "min = 0.50 " "max = 2.5 " "step = 0.01 " "help = ' ' "); TwAddSeparator(bar, "", ""); TwAddButton(bar, "Reset", (TwButtonCallback) reset, NULL, "help='Reset all parameters to default values.'"); TwAddSeparator(bar, "", ""); TwAddButton(bar, "Quit", (TwButtonCallback) quit, window, "help='Quit.'"); text_shader = shader_load( "shaders/text.vert", "shaders/text.frag" ); font_manager_a = font_manager_new( 512, 512, LCD_FILTERING_OFF ); font_manager_rgb = font_manager_new( 512, 512, LCD_FILTERING_ON ); font_manager = font_manager_rgb; text_buffer = text_buffer_new( ); glGenTextures( 1, &font_manager_a->atlas->id ); glBindTexture( GL_TEXTURE_2D, font_manager_a->atlas->id ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); glGenTextures( 1, &font_manager_rgb->atlas->id ); glBindTexture( GL_TEXTURE_2D, font_manager_rgb->atlas->id ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); reset(); mat4_set_identity( &projection ); mat4_set_identity( &model ); mat4_set_identity( &view ); }
// Main int main(int argc, char *argv[]) { GLFWwindow* window; glfwSetErrorCallback( error_callback ); if (!glfwInit( )) { exit( EXIT_FAILURE ); } glfwWindowHint( GLFW_VISIBLE, GL_TRUE ); glfwWindowHint( GLFW_RESIZABLE, GL_FALSE ); window = glfwCreateWindow( 1, 1, "Font rendering advanced tweaking", NULL, NULL ); if (!window) { glfwTerminate( ); exit( EXIT_FAILURE ); } glfwMakeContextCurrent( window ); glfwSwapInterval( 1 ); TwInit( TW_OPENGL, NULL ); glfwSetFramebufferSizeCallback( window, reshape ); glfwSetWindowRefreshCallback( window, display ); glfwSetCursorPosCallback( window, cursor_pos ); glfwSetMouseButtonCallback( window, mouse_button ); glfwSetKeyCallback( window, keyboard ); #ifndef __APPLE__ GLenum err = glewInit(); if (GLEW_OK != err) { /* Problem: glewInit failed, something is seriously wrong. */ fprintf( stderr, "Error: %s\n", glewGetErrorString(err) ); exit( EXIT_FAILURE ); } fprintf( stderr, "Using GLEW %s\n", glewGetString(GLEW_VERSION) ); #endif // Create a new tweak bar bar = TwNewBar("TweakBar"); TwDefine("GLOBAL " "help = 'This example shows how to tune all font parameters.' "); TwDefine("TweakBar " "size = '280 400' " "position = '500 20' " "color = '127 127 127' " "alpha = 240 " "label = 'Parameters' " "resizable = True " "fontresizable = True " "iconifiable = True "); { TwEnumVal familyEV[NUM_FONTS] = { {VERA, "Vera"}, {VERA_MONO, "Vera Mono"}, {LUCKIEST_GUY, "Luckiest Guy"}, {SOURCE_SANS, "Source Sans Pro"}, {SOURCE_CODE, "Source Code Pro"}, {OLD_STANDARD, "Old Standard TT"}, {LOBSTER, "Lobster"} }; TwType family_type = TwDefineEnum("Family", familyEV, NUM_FONTS); TwAddVarCB(bar, "Family", family_type, set_family, get_family, NULL, "label = 'Family' " "group = 'Font' " "help = ' ' "); } TwAddVarCB(bar, "Size", TW_TYPE_FLOAT, set_size, get_size, NULL, "label = 'Size' " "group = 'Font' " "min = 6.0 " "max = 24.0 " "step = 0.05 " "help = ' ' "); TwAddVarCB(bar, "LCD filtering", TW_TYPE_BOOL32, set_lcd_filtering, get_lcd_filtering, NULL, "label = 'LCD filtering' " "group = 'Font' " "help = ' ' "); // Rendering TwAddVarCB(bar, "Kerning", TW_TYPE_BOOL32, set_kerning, get_kerning, NULL, "label = 'Kerning' " "group = 'Rendering' " "help = ' ' "); TwAddVarCB(bar, "Hinting", TW_TYPE_BOOL32, set_hinting, get_hinting, NULL, "label = 'Hinting' " "group = 'Rendering' " "help = ' ' "); // Color TwAddVarCB(bar, "Invert", TW_TYPE_BOOL32, set_invert, get_invert, NULL, "label = 'Invert' " "group = 'Color' " "help = ' ' "); // Glyph TwAddVarCB(bar, "Width", TW_TYPE_FLOAT, set_width, get_width, NULL, "label = 'Width' " "group = 'Glyph' " "min = 0.75 " "max = 1.25 " "step = 0.01 " "help = ' ' "); TwAddVarCB(bar, "Interval", TW_TYPE_FLOAT, set_interval, get_interval, NULL, "label = 'Spacing' " "group = 'Glyph' " "min = -0.2 " "max = 0.2 " "step = 0.01 " "help = ' ' " ); TwAddVarCB(bar, "Faux italic", TW_TYPE_FLOAT, set_faux_italic, get_faux_italic, NULL, "label = 'Faux italic' " "group = 'Glyph' " "min = -30.0 " "max = 30.0 " "step = 0.1 " "help = ' ' "); // Energy distribution TwAddVarCB(bar, "Primary", TW_TYPE_FLOAT, set_primary, get_primary, NULL, "label = 'Primary weight' " "group = 'Energy distribution' " "min = 0 " "max = 1 " "step = 0.01 " "help = ' ' " ); TwAddVarCB(bar, "Secondary", TW_TYPE_FLOAT, set_secondary, get_secondary, NULL, "label = 'Secondy weight' " "group = 'Energy distribution' " "min = 0 " "max = 1 " "step = 0.01 " "help = ' ' " ); TwAddVarCB(bar, "Tertiary", TW_TYPE_FLOAT, set_tertiary, get_tertiary, NULL, "label = 'Tertiary weight' " "group = 'Energy distribution' " "min = 0 " "max = 1 " "step = 0.01 " "help = ' ' " ); TwAddSeparator(bar, "", "group = 'Energy distribution' " ); TwAddVarCB(bar, "Gamma", TW_TYPE_FLOAT, set_gamma, get_gamma, NULL, "label = 'Gamma correction' " "group = 'Energy distribution' " "min = 0.50 " "max = 2.5 " "step = 0.01 " "help = ' ' "); TwAddSeparator(bar, "", ""); TwAddButton(bar, "Reset", (TwButtonCallback) reset, NULL, "help='Reset all parameters to default values.'"); TwAddSeparator(bar, "", ""); TwAddButton(bar, "Quit", (TwButtonCallback) quit, window, "help='Quit.'"); buffer_a = text_buffer_new( 1 ); buffer_rgb = text_buffer_new( 3 ); buffer = buffer_rgb; reset(); mat4_set_identity( &projection ); mat4_set_identity( &model ); mat4_set_identity( &view ); glfwSetWindowSize( window, 800, 600 ); glfwShowWindow( window ); while(!glfwWindowShouldClose( window )) { display( window ); glfwPollEvents( ); } TwTerminate(); glfwDestroyWindow( window ); glfwTerminate( ); return EXIT_SUCCESS; }
// Main int main(int argc, char *argv[]) { glutInit( &argc, argv ); glutInitDisplayMode( GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH ); glutInitWindowSize( 800, 600 ); glutCreateWindow( "Font rendering advanced tweaking" ); glutCreateMenu( NULL ); #ifndef __APPLE__ GLenum err = glewInit(); if (GLEW_OK != err) { /* Problem: glewInit failed, something is seriously wrong. */ fprintf( stderr, "Error: %s\n", glewGetErrorString(err) ); exit( EXIT_FAILURE ); } fprintf( stderr, "Using GLEW %s\n", glewGetString(GLEW_VERSION) ); #endif glutDisplayFunc( display ); glutReshapeFunc( reshape ); atexit( terminate ); TwInit( TW_OPENGL, NULL ); glutMouseFunc( (GLUTmousebuttonfun)TwEventMouseButtonGLUT ); glutMotionFunc( (GLUTmousemotionfun)TwEventMouseMotionGLUT ); glutPassiveMotionFunc( (GLUTmousemotionfun)TwEventMouseMotionGLUT ); glutKeyboardFunc( (GLUTkeyboardfun)TwEventKeyboardGLUT ); glutSpecialFunc( (GLUTspecialfun)TwEventSpecialGLUT ); TwGLUTModifiersFunc( glutGetModifiers ); // Create a new tweak bar bar = TwNewBar("TweakBar"); TwDefine("GLOBAL " "help = 'This example shows how to tune all font parameters.' "); TwDefine("TweakBar " "size = '280 400' " "position = '500 20' " "color = '127 127 127' " "alpha = 240 " "label = 'Parameters' " "resizable = True " "fontresizable = True " "iconifiable = True "); { TwEnumVal familyEV[NUM_FONTS] = { {VERA, "Vera"}, {VERA_MONO, "Vera Mono"}, {LUCKIEST_GUY, "Luckiest Guy"}, {SOURCE_SANS, "Source Sans Pro"}, {SOURCE_CODE, "Source Code Pro"}, {OLD_STANDARD, "Old Standard TT"}, {LOBSTER, "Lobster"} }; TwType family_type = TwDefineEnum("Family", familyEV, NUM_FONTS); TwAddVarCB(bar, "Family", family_type, set_family, get_family, NULL, "label = 'Family' " "group = 'Font' " "help = ' ' "); } TwAddVarCB(bar, "Size", TW_TYPE_FLOAT, set_size, get_size, NULL, "label = 'Size' " "group = 'Font' " "min = 6.0 " "max = 24.0 " "step = 0.05 " "help = ' ' "); TwAddVarCB(bar, "LCD filtering", TW_TYPE_BOOL32, set_lcd_filtering, get_lcd_filtering, NULL, "label = 'LCD filtering' " "group = 'Font' " "help = ' ' "); // Rendering TwAddVarCB(bar, "Kerning", TW_TYPE_BOOL32, set_kerning, get_kerning, NULL, "label = 'Kerning' " "group = 'Rendering' " "help = ' ' "); TwAddVarCB(bar, "Hinting", TW_TYPE_BOOL32, set_hinting, get_hinting, NULL, "label = 'Hinting' " "group = 'Rendering' " "help = ' ' "); // Color TwAddVarCB(bar, "Invert", TW_TYPE_BOOL32, set_invert, get_invert, NULL, "label = 'Invert' " "group = 'Color' " "help = ' ' "); // Glyph TwAddVarCB(bar, "Width", TW_TYPE_FLOAT, set_width, get_width, NULL, "label = 'Width' " "group = 'Glyph' " "min = 0.75 " "max = 1.25 " "step = 0.01 " "help = ' ' "); TwAddVarCB(bar, "Interval", TW_TYPE_FLOAT, set_interval, get_interval, NULL, "label = 'Spacing' " "group = 'Glyph' " "min = -0.2 " "max = 0.2 " "step = 0.01 " "help = ' ' " ); TwAddVarCB(bar, "Faux italic", TW_TYPE_FLOAT, set_faux_italic, get_faux_italic, NULL, "label = 'Faux italic' " "group = 'Glyph' " "min = -30.0 " "max = 30.0 " "step = 0.1 " "help = ' ' "); // Energy distribution TwAddVarCB(bar, "Primary", TW_TYPE_FLOAT, set_primary, get_primary, NULL, "label = 'Primary weight' " "group = 'Energy distribution' " "min = 0 " "max = 1 " "step = 0.01 " "help = ' ' " ); TwAddVarCB(bar, "Secondary", TW_TYPE_FLOAT, set_secondary, get_secondary, NULL, "label = 'Secondy weight' " "group = 'Energy distribution' " "min = 0 " "max = 1 " "step = 0.01 " "help = ' ' " ); TwAddVarCB(bar, "Tertiary", TW_TYPE_FLOAT, set_tertiary, get_tertiary, NULL, "label = 'Tertiary weight' " "group = 'Energy distribution' " "min = 0 " "max = 1 " "step = 0.01 " "help = ' ' " ); TwAddSeparator(bar, "", "group = 'Energy distribution' " ); TwAddVarCB(bar, "Gamma", TW_TYPE_FLOAT, set_gamma, get_gamma, NULL, "label = 'Gamma correction' " "group = 'Energy distribution' " "min = 0.50 " "max = 2.5 " "step = 0.01 " "help = ' ' "); TwAddSeparator(bar, "", ""); TwAddButton(bar, "Reset", (TwButtonCallback) reset, NULL, "help='Reset all parameters to default values.'"); TwAddSeparator(bar, "", ""); TwAddButton(bar, "Quit", (TwButtonCallback) quit, NULL, "help='Quit.'"); buffer_a = text_buffer_new( 1 ); buffer_rgb = text_buffer_new( 3 ); buffer = buffer_rgb; reset(); glutTimerFunc( 1000.0/60.0, timer, 60 ); mat4_set_identity( &projection ); mat4_set_identity( &model ); mat4_set_identity( &view ); glutMainLoop(); return EXIT_SUCCESS; }
/* ------------------------------------------------------------------ main - */ int main( int argc, char **argv ) { GLFWwindow* window; glfwSetErrorCallback( error_callback ); if (!glfwInit( )) { exit( EXIT_FAILURE ); } glfwWindowHint( GLFW_VISIBLE, GL_TRUE ); glfwWindowHint( GLFW_RESIZABLE, GL_FALSE ); window = glfwCreateWindow( 1, 1, argv[0], NULL, NULL ); if (!window) { glfwTerminate( ); exit( EXIT_FAILURE ); } glfwMakeContextCurrent( window ); glfwSwapInterval( 1 ); glfwSetFramebufferSizeCallback( window, reshape ); glfwSetWindowRefreshCallback( window, display ); glfwSetKeyCallback( window, keyboard ); #ifndef __APPLE__ glewExperimental = GL_TRUE; GLenum err = glewInit(); if (GLEW_OK != err) { /* Problem: glewInit failed, something is seriously wrong. */ fprintf( stderr, "Error: %s\n", glewGetErrorString(err) ); exit( EXIT_FAILURE ); } fprintf( stderr, "Using GLEW %s\n", glewGetString(GLEW_VERSION) ); #endif buffer = text_buffer_new( LCD_FILTERING_OFF ); vec4 black = {{0.0, 0.0, 0.0, 1.0}}; vec4 none = {{1.0, 1.0, 1.0, 0.0}}; markup_t markup; markup.family = "fonts/VeraMono.ttf", markup.size = 15.0; markup.bold = 0; markup.italic = 0; markup.rise = 0.0; markup.spacing = 0.0; markup.gamma = 1.0; markup.foreground_color = black; markup.background_color = none; markup.underline = 0; markup.underline_color = black; markup.overline = 0; markup.overline_color = black; markup.strikethrough = 0; markup.strikethrough_color = black; markup.font = 0; vec2 pen = {{10.0, 480.0}}; FILE *file = fopen ( "data/256colors.txt", "r" ); if ( file != NULL ) { wchar_t line[1024]; while( fgetws ( line, sizeof(line), file ) != NULL ) { print( buffer, &pen, line, &markup ); } fclose ( file ); } mat4_set_identity( &projection ); mat4_set_identity( &model ); mat4_set_identity( &view ); glfwSetWindowSize( window, 800, 500 ); glfwShowWindow( window ); while(!glfwWindowShouldClose( window )) { display( window ); glfwPollEvents( ); } glfwDestroyWindow( window ); glfwTerminate( ); return 0; }
// ------------------------------------------------------------------- main --- int main_markup( int argc, char **argv ) { glutInit( &argc, argv ); glutInitWindowSize( 500, 220 ); glutInitDisplayMode( GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH ); glutCreateWindow( argv[0] ); glutReshapeFunc( reshape ); glutDisplayFunc( display ); glutKeyboardFunc( keyboard ); GLenum err = glewInit(); if (GLEW_OK != err) { /* Problem: glewInit failed, something is seriously wrong. */ fprintf( stderr, "Error: %s\n", glewGetErrorString(err) ); exit( EXIT_FAILURE ); } fprintf( stderr, "Using GLEW %s\n", glewGetString(GLEW_VERSION) ); buffer = text_buffer_new( LCD_FILTERING_ON ); vec4 black = {{0.0, 0.0, 0.0, 1.0}}; vec4 white = {{1.0, 1.0, 1.0, 1.0}}; vec4 yellow = {{1.0, 1.0, 0.0, 1.0}}; vec4 grey = {{0.5, 0.5, 0.5, 1.0}}; vec4 none = {{1.0, 1.0, 1.0, 0.0}}; char *f_normal = match_description("Droid Serif", 24, 0, 0); char *f_bold = match_description("Droid Serif", 24, 1, 0); char *f_italic = match_description("Droid Serif", 24, 0, 1); char *f_japanese = match_description("Droid Sans Japanese", 18, 0, 0); char *f_math = match_description("DejaVu Sans", 24, 0, 0); markup_t normal = { .family = f_normal, .size = 24.0, .bold = 0, .italic = 0, .rise = 0.0, .spacing = 0.0, .gamma = 2., .foreground_color = white, .background_color = none, .underline = 0, .underline_color = white, .overline = 0, .overline_color = white, .strikethrough = 0, .strikethrough_color = white, .font = 0, }; markup_t highlight = normal; highlight.background_color = grey; markup_t reverse = normal; reverse.foreground_color = black; reverse.background_color = white; reverse.gamma = 1.0; markup_t overline = normal; overline.overline = 1; markup_t underline = normal; underline.underline = 1; markup_t small = normal; small.size = 10.0; markup_t big = normal; big.size = 48.0; big.italic = 1; big.foreground_color = yellow; markup_t bold = normal; bold.bold = 1; bold.family = f_bold; markup_t italic = normal; italic.italic = 1; italic.family = f_italic; markup_t japanese = normal; japanese.family = f_japanese; japanese.size = 18.0; markup_t math = normal; math.family = f_math; vec2 pen = {{20, 200}}; text_buffer_printf( buffer, &pen, &underline, L"The", &normal, L" Quick", &big, L" brown ", &reverse, L" fox \n", &italic, L"jumps over ", &bold, L"the lazy ", &normal, L"dog.\n", &small, L"Now is the time for all good men " L"to come to the aid of the party.\n", &italic, L"Ég get etið gler án þess að meiða mig.\n", &japanese, L"私はガラスを食べられます。 それは私を傷つけません\n", &math, L"ℕ ⊆ ℤ ⊂ ℚ ⊂ ℝ ⊂ ℂ", NULL ); mat4_set_identity( &projection ); mat4_set_identity( &model ); mat4_set_identity( &view ); glutMainLoop( ); return 0; }
void init() { buffer = text_buffer_new( LCD_FILTERING_ON ); vec4 black = {{0.0, 0.0, 0.0, 1.0}}; vec4 white = {{1.0, 1.0, 1.0, 1.0}}; vec4 yellow = {{1.0, 1.0, 0.0, 1.0}}; vec4 grey = {{0.5, 0.5, 0.5, 1.0}}; vec4 none = {{1.0, 1.0, 1.0, 0.0}}; char *f_normal = match_description("Droid Serif", 24, 0, 0); char *f_bold = match_description("Droid Serif", 24, 1, 0); char *f_italic = match_description("Droid Serif", 24, 0, 1); char *f_japanese = match_description("Droid Sans Japanese", 18, 0, 0); char *f_math = match_description("DejaVu Sans", 24, 0, 0); markup_t normal = { .family = f_normal, .size = 24.0, .bold = 0, .italic = 0, .rise = 0.0, .spacing = 0.0, .gamma = 2., .foreground_color = white, .background_color = none, .underline = 0, .underline_color = white, .overline = 0, .overline_color = white, .strikethrough = 0, .strikethrough_color = white, .font = 0, }; markup_t highlight = normal; highlight.background_color = grey; markup_t reverse = normal; reverse.foreground_color = black; reverse.background_color = white; reverse.gamma = 1.0; markup_t overline = normal; overline.overline = 1; markup_t underline = normal; underline.underline = 1; markup_t small = normal; small.size = 10.0; markup_t big = normal; big.size = 48.0; big.italic = 1; big.foreground_color = yellow; markup_t bold = normal; bold.bold = 1; bold.family = f_bold; markup_t italic = normal; italic.italic = 1; italic.family = f_italic; markup_t japanese = normal; japanese.family = f_japanese; japanese.size = 18.0; markup_t math = normal; math.family = f_math; vec2 pen = {{20, 200}}; text_buffer_printf( buffer, &pen, &underline, "The", &normal, " Quick", &big, " brown ", &reverse, " fox \n", &italic, "jumps over ", &bold, "the lazy ", &normal, "dog.\n", &small, "Now is the time for all good men " "to come to the aid of the party.\n", &italic, "Ég get etið gler án þess að meiða mig.\n", &japanese, "私はガラスを食べられます。 それは私を傷つけません\n", &math, "ℕ ⊆ ℤ ⊂ ℚ ⊂ ℝ ⊂ ℂ", NULL ); mat4_set_identity( &projection ); mat4_set_identity( &model ); mat4_set_identity( &view ); } // ---------------------------------------------------------------- display --- void display( GLFWwindow* window ) { glClearColor(0.40,0.40,0.45,1.00); glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); glColor4f(1.00,1.00,1.00,1.00); glUseProgram( buffer->shader ); { glUniformMatrix4fv( glGetUniformLocation( buffer->shader, "model" ), 1, 0, model.data); glUniformMatrix4fv( glGetUniformLocation( buffer->shader, "view" ), 1, 0, view.data); glUniformMatrix4fv( glGetUniformLocation( buffer->shader, "projection" ), 1, 0, projection.data); text_buffer_render( buffer ); } glfwSwapBuffers( window ); }
void init() { text_shader = shader_load( "text.vert", "text.frag" ); font_manager = font_manager_new( 512, 512, LCD_FILTERING_ON ); buffer = text_buffer_new( ); vec4 black = {{0.0, 0.0, 0.0, 1.0}}; vec4 white = {{1.0, 1.0, 1.0, 1.0}}; vec4 yellow = {{1.0, 1.0, 0.0, 1.0}}; vec4 grey = {{0.5, 0.5, 0.5, 1.0}}; vec4 none = {{1.0, 1.0, 1.0, 0.0}}; //char *f_normal = match_description("Vera:size=50"); char *f_normal = match_description("Arial"); char *f_bold = match_description("Arial", true); //char *f_bold = match_description("sans\\-serif:size=24"); char *f_italic = match_description("sans\\-serif", false, true); //char *f_italic = match_description("SimSun", false, true); //char *f_japanese = match_description("Droid Sans:size=18:lang=ja"); //char *f_japanese = match_description("sans-serif:size=18:lang=zh"); //char *f_japanese = match_description("sans\\-serif:size=18:lang=zh\\-CN"); //char *f_japanese = match_description("FZLanTingHeiS\\-UL\\-GB:size=18:lang=zh\\-CN"); //ok //char *f_japanese = match_description("FZLanTingHeiS\\-UL\\-GB"); //ok //char *f_japanese = match_description("Yu Gothic UI Semibold"); //ok //char *f_japanese = match_description("jj:size=18"); //ok //char *f_japanese = match_description("Brush Script MT"); //ok char *f_japanese = match_description("Microsoft JhengHei UI"); //ok //char *f_japanese = match_description("华文隶书:size=28:lang=zh\\-CN"); //no char *f_math = match_description("DejaVu Sans"); printf("init. f_normal: %s f_bold: %s f_italic: %s f_japanese: %s f_math: %s\n" , f_normal, f_bold, f_italic, f_japanese, f_math); //printf("init. f_japanese: %s\n" , f_japanese); //exit(0); markup_t normal = { .family = f_normal, .size = 20.0, .bold = 0, .italic = 0, .spacing = 0.0, .gamma = 2., .foreground_color = white, .background_color = none, .outline = 0, .outline_color = white, .underline = 0, .underline_color = white, .overline = 0, .overline_color = white, .strikethrough = 0, .strikethrough_color = white, .font = 0, }; markup_t highlight = normal; highlight.background_color = grey; markup_t reverse = normal; reverse.foreground_color = black; reverse.background_color = white; reverse.gamma = 1.0; markup_t overline = normal; overline.overline = 1; markup_t underline = normal; underline.underline = 1; markup_t small = normal; small.size = 10.0; markup_t big = normal; big.size = 48.0; big.italic = 1; big.foreground_color = yellow; markup_t bold = normal; bold.bold = 1; bold.family = f_bold; markup_t italic = normal; italic.italic = 1; italic.family = f_italic; markup_t japanese = normal; japanese.family = f_japanese; //markup_t japanese = normal; japanese.family = "C:/Windows/Fonts/simsun.ttc"; //markup_t japanese = normal; japanese.family = "c:/qtproject/opengl/freetype-gl/fonts/fireflysung.ttf"; japanese.size = 25.0; markup_t math = normal; math.family = f_math; #if 1 normal.font = font_manager_get_from_markup( font_manager, &normal ); highlight.font = font_manager_get_from_markup( font_manager, &highlight ); reverse.font = font_manager_get_from_markup( font_manager, &reverse ); overline.font = font_manager_get_from_markup( font_manager, &overline ); underline.font = font_manager_get_from_markup( font_manager, &underline ); small.font = font_manager_get_from_markup( font_manager, &small ); big.font = font_manager_get_from_markup( font_manager, &big ); bold.font = font_manager_get_from_markup( font_manager, &bold ); italic.font = font_manager_get_from_markup( font_manager, &italic ); japanese.font = font_manager_get_from_markup( font_manager, &japanese ); math.font = font_manager_get_from_markup( font_manager, &math ); #else japanese.font = font_manager_get_from_markup( font_manager, &japanese ); #endif vec2 pen = {{20, 200}}; #if 1 text_buffer_printf( buffer, &pen, &underline, "The", &normal, " Quick", &big, " brown ", &reverse, " fox \n", &italic, "jumps over ", &bold, "the lazy ", &normal, "dog.\n", &small, "Now is the time for all good men " "to come to the aid of the party.\n", &italic, "Ég get etið gler án þess að meiða mig.\n", &japanese, "aaa张私はガラスを食べられます。 それは私を傷つけません\n", &math, "ℕ ⊆ ℤ ⊂ ℚ ⊂ ℝ ⊂ ℂ", NULL ); #else text_buffer_printf( buffer, &pen, &japanese, "Brush Script MT张私はガラスを食べられます。 それは私を傷つけません\n", NULL ); #endif glGenTextures( 1, &font_manager->atlas->id ); glBindTexture( GL_TEXTURE_2D, font_manager->atlas->id ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, font_manager->atlas->width, font_manager->atlas->height, 0, GL_RGB, GL_UNSIGNED_BYTE, font_manager->atlas->data ); printf("init font_manager->atlas->width: %d font_manager->atlas->height: %d\n" , font_manager->atlas->width, font_manager->atlas->height); text_buffer_align( buffer, &pen, ALIGN_CENTER ); vec4 bounds = text_buffer_get_bounds( buffer, &pen ); float left = bounds.left; float right = bounds.left + bounds.width; float top = bounds.top; float bottom = bounds.top - bounds.height; bounds_shader = shader_load( "v3f-c4f.vert", "v3f-c4f.frag" ); lines_buffer = vertex_buffer_new( "vertex:3f,color:4f" ); vertex_t vertices[] = { { left - 10, top, 0, 0,0,0,1}, // top {right + 10, top, 0, 0,0,0,1}, { left - 10, bottom, 0, 0,0,0,1}, // bottom {right + 10, bottom, 0, 0,0,0,1}, { left, top + 10, 0, 0,0,0,1}, // left { left, bottom - 10, 0, 0,0,0,1}, { right, top + 10, 0, 0,0,0,1}, // right { right, bottom - 10, 0, 0,0,0,1} }; GLuint indices[] = { 0,1,2,3,4,5,6,7 }; vertex_buffer_push_back( lines_buffer, vertices, 8, indices, 8); mat4_set_identity( &projection ); mat4_set_identity( &model ); mat4_set_identity( &view ); } // ---------------------------------------------------------------- display --- void display( GLFWwindow* window ) { glClearColor(0.40,0.40,0.45,1.00); glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); glColor4f(1.00,1.00,1.00,1.00); glUseProgram( text_shader ); { glUniformMatrix4fv( glGetUniformLocation( text_shader, "model" ), 1, 0, model.data); glUniformMatrix4fv( glGetUniformLocation( text_shader, "view" ), 1, 0, view.data); glUniformMatrix4fv( glGetUniformLocation( text_shader, "projection" ), 1, 0, projection.data); glUniform1i( glGetUniformLocation( text_shader, "tex" ), 0 ); glUniform3f( glGetUniformLocation( text_shader, "pixel" ), 1.0f/font_manager->atlas->width, 1.0f/font_manager->atlas->height, (float)font_manager->atlas->depth ); glEnable( GL_BLEND ); glActiveTexture( GL_TEXTURE0 ); glBindTexture( GL_TEXTURE_2D, font_manager->atlas->id ); glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ); glBlendColor( 1, 1, 1, 1 ); vertex_buffer_render( buffer->buffer, GL_TRIANGLES ); glBindTexture( GL_TEXTURE_2D, 0 ); glBlendColor( 0, 0, 0, 0 ); glUseProgram( 0 ); } glBlendFunc( GL_ONE, GL_ONE_MINUS_SRC_ALPHA ); glBlendColor( 1.0, 1.0, 1.0, 1.0 ); glUseProgram( bounds_shader ); { glUniformMatrix4fv( glGetUniformLocation( bounds_shader, "model" ), 1, 0, model.data); glUniformMatrix4fv( glGetUniformLocation( bounds_shader, "view" ), 1, 0, view.data); glUniformMatrix4fv( glGetUniformLocation( bounds_shader, "projection" ), 1, 0, projection.data); vertex_buffer_render( lines_buffer, GL_LINES ); } glfwSwapBuffers( window ); }