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Diffstat (limited to 'examples/web/text/text_font_sdf.c')
| -rw-r--r-- | examples/web/text/text_font_sdf.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/examples/web/text/text_font_sdf.c b/examples/web/text/text_font_sdf.c deleted file mode 100644 index e1b0f8e..0000000 --- a/examples/web/text/text_font_sdf.c +++ /dev/null @@ -1,170 +0,0 @@ -/******************************************************************************************* -* -* raylib [text] example - TTF loading and usage -* -* This example has been created using raylib 1.3.0 (www.raylib.com) -* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) -* -* Copyright (c) 2015 Ramon Santamaria (@raysan5) -* -********************************************************************************************/ - -#include "raylib.h" - -#if defined(PLATFORM_WEB) - #include <emscripten/emscripten.h> -#endif - -#if defined(PLATFORM_DESKTOP) - #define GLSL_VERSION 330 -#else // PLATFORM_RPI, PLATFORM_ANDROID, PLATFORM_WEB - #define GLSL_VERSION 100 -#endif - -//---------------------------------------------------------------------------------- -// Global Variables Definition -//---------------------------------------------------------------------------------- -const int screenWidth = 800; -const int screenHeight = 450; - -const char msg[50] = "Signed Distance Fields"; - -// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) - -Font fontDefault = { 0 }; -Font fontSDF = { 0 }; - -Shader shader = { 0 }; - -Vector2 fontPosition = { 0 }; -Vector2 textSize = { 0 }; -float fontSize = 16.0f; -int currentFont = 0; // 0 - fontDefault, 1 - fontSDF - -//---------------------------------------------------------------------------------- -// Module Functions Declaration -//---------------------------------------------------------------------------------- -void UpdateDrawFrame(void); // Update and Draw one frame - -//---------------------------------------------------------------------------------- -// Program Main Entry Point -//---------------------------------------------------------------------------------- -int main(void) -{ - // Initialization - //-------------------------------------------------------------------------------------- - InitWindow(screenWidth, screenHeight, "raylib [text] example - SDF fonts"); - - // NOTE: Textures/Fonts MUST be loaded after Window initialization (OpenGL context is required) - - // Loading file to memory - unsigned int fileSize = 0; - unsigned char *fileData = LoadFileData("resources/anonymous_pro_bold.ttf", &fileSize); - // Default font generation from TTF font - fontDefault.baseSize = 16; - fontDefault.charsCount = 95; - // Parameters > font size: 16, no chars array provided (0), chars count: 95 (autogenerate chars array) - fontDefault.chars = LoadFontData(fileData, fileSize, 16, 0, 95, FONT_DEFAULT); - // Parameters > chars count: 95, font size: 16, chars padding in image: 4 px, pack method: 0 (default) - Image atlas = GenImageFontAtlas(fontDefault.chars, &fontDefault.recs, 95, 16, 4, 0); - fontDefault.texture = LoadTextureFromImage(atlas); - UnloadImage(atlas); - - // SDF font generation from TTF font - fontSDF.baseSize = 16; - fontSDF.charsCount = 95; - // Parameters > font size: 16, no chars array provided (0), chars count: 0 (defaults to 95) - fontSDF.chars = LoadFontData(fileData, fileSize, 16, 0, 0, FONT_SDF); - // Parameters > chars count: 95, font size: 16, chars padding in image: 0 px, pack method: 1 (Skyline algorythm) - atlas = GenImageFontAtlas(fontSDF.chars, &fontSDF.recs, 95, 16, 0, 1); - fontSDF.texture = LoadTextureFromImage(atlas); - UnloadImage(atlas); - - UnloadFileData(fileData); // Free memory from loaded file - - // Load SDF required shader (we use default vertex shader) - shader = LoadShader(0, TextFormat("resources/shaders/glsl%i/sdf.fs", GLSL_VERSION)); - SetTextureFilter(fontSDF.texture, FILTER_BILINEAR); // Required for SDF font - - fontPosition = (Vector2){ 40, screenHeight/2 - 50 }; - -#if defined(PLATFORM_WEB) - emscripten_set_main_loop(UpdateDrawFrame, 60, 1); -#else - SetTargetFPS(60); // Set our game to run at 60 frames-per-second - //-------------------------------------------------------------------------------------- - - // Main game loop - while (!WindowShouldClose()) // Detect window close button or ESC key - { - UpdateDrawFrame(); - } -#endif - - // De-Initialization - //-------------------------------------------------------------------------------------- - UnloadFont(fontDefault); // Default font unloading - UnloadFont(fontSDF); // SDF font unloading - - UnloadShader(shader); // Unload SDF shader - - CloseWindow(); // Close window and OpenGL context - //-------------------------------------------------------------------------------------- - - return 0; -} - -//---------------------------------------------------------------------------------- -// Module Functions Definition -//---------------------------------------------------------------------------------- -void UpdateDrawFrame(void) -{ - // Update - //---------------------------------------------------------------------------------- - fontSize += GetMouseWheelMove()*8.0f; - - if (fontSize < 6) fontSize = 6; - - if (IsKeyDown(KEY_SPACE)) currentFont = 1; - else currentFont = 0; - - if (currentFont == 0) textSize = MeasureTextEx(fontDefault, msg, fontSize, 0); - else textSize = MeasureTextEx(fontSDF, msg, fontSize, 0); - - fontPosition.x = GetScreenWidth()/2 - textSize.x/2; - fontPosition.y = GetScreenHeight()/2 - textSize.y/2 + 80; - //---------------------------------------------------------------------------------- - - // Draw - //---------------------------------------------------------------------------------- - BeginDrawing(); - - ClearBackground(RAYWHITE); - - if (currentFont == 1) - { - // NOTE: SDF fonts require a custom SDf shader to compute fragment color - BeginShaderMode(shader); // Activate SDF font shader - DrawTextEx(fontSDF, msg, fontPosition, fontSize, 0, BLACK); - EndShaderMode(); // Activate our default shader for next drawings - - DrawTexture(fontSDF.texture, 10, 10, BLACK); - } - else - { - DrawTextEx(fontDefault, msg, fontPosition, fontSize, 0, BLACK); - DrawTexture(fontDefault.texture, 10, 10, BLACK); - } - - if (currentFont == 1) DrawText("SDF!", 320, 20, 80, RED); - else DrawText("default font", 315, 40, 30, GRAY); - - DrawText("FONT SIZE: 16.0", GetScreenWidth() - 240, 20, 20, DARKGRAY); - DrawText(TextFormat("RENDER SIZE: %02.02f", fontSize), GetScreenWidth() - 240, 50, 20, DARKGRAY); - DrawText("Use MOUSE WHEEL to SCALE TEXT!", GetScreenWidth() - 240, 90, 10, DARKGRAY); - - DrawText("HOLD SPACE to USE SDF FONT VERSION!", 340, GetScreenHeight() - 30, 20, MAROON); - - EndDrawing(); - //---------------------------------------------------------------------------------- -}
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