| 1 | /******************************************************************************************* |
| 2 | * |
| 3 | * raylib [texture] example - Image text drawing using TTF generated spritefont |
| 4 | * |
| 5 | * This example has been created using raylib 1.8 (www.raylib.com) |
| 6 | * raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) |
| 7 | * |
| 8 | * Copyright (c) 2017 Ramon Santamaria (@raysan5) |
| 9 | * |
| 10 | ********************************************************************************************/ |
| 11 | |
| 12 | #include "raylib.h" |
| 13 | |
| 14 | int main(void) |
| 15 | { |
| 16 | // Initialization |
| 17 | //-------------------------------------------------------------------------------------- |
| 18 | const int screenWidth = 800; |
| 19 | const int screenHeight = 450; |
| 20 | |
| 21 | InitWindow(screenWidth, screenHeight, "raylib [texture] example - image text drawing" ); |
| 22 | |
| 23 | Image parrots = LoadImage("resources/parrots.png" ); // Load image in CPU memory (RAM) |
| 24 | |
| 25 | // TTF Font loading with custom generation parameters |
| 26 | Font font = LoadFontEx("resources/KAISG.ttf" , 64, 0, 0); |
| 27 | |
| 28 | // Draw over image using custom font |
| 29 | ImageDrawTextEx(&parrots, font, "[Parrots font drawing]" , (Vector2){ 20.0f, 20.0f }, (float)font.baseSize, 0.0f, RED); |
| 30 | |
| 31 | Texture2D texture = LoadTextureFromImage(parrots); // Image converted to texture, uploaded to GPU memory (VRAM) |
| 32 | UnloadImage(parrots); // Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM |
| 33 | |
| 34 | Vector2 position = { (float)(screenWidth/2 - texture.width/2), (float)(screenHeight/2 - texture.height/2 - 20) }; |
| 35 | |
| 36 | bool showFont = false; |
| 37 | |
| 38 | SetTargetFPS(60); |
| 39 | //-------------------------------------------------------------------------------------- |
| 40 | |
| 41 | // Main game loop |
| 42 | while (!WindowShouldClose()) // Detect window close button or ESC key |
| 43 | { |
| 44 | // Update |
| 45 | //---------------------------------------------------------------------------------- |
| 46 | if (IsKeyDown(KEY_SPACE)) showFont = true; |
| 47 | else showFont = false; |
| 48 | //---------------------------------------------------------------------------------- |
| 49 | |
| 50 | // Draw |
| 51 | //---------------------------------------------------------------------------------- |
| 52 | BeginDrawing(); |
| 53 | |
| 54 | ClearBackground(RAYWHITE); |
| 55 | |
| 56 | if (!showFont) |
| 57 | { |
| 58 | // Draw texture with text already drawn inside |
| 59 | DrawTextureV(texture, position, WHITE); |
| 60 | |
| 61 | // Draw text directly using sprite font |
| 62 | DrawTextEx(font, "[Parrots font drawing]" , (Vector2){ position.x + 20, |
| 63 | position.y + 20 + 280 }, (float)font.baseSize, 0.0f, WHITE); |
| 64 | } |
| 65 | else DrawTexture(font.texture, screenWidth/2 - font.texture.width/2, 50, BLACK); |
| 66 | |
| 67 | DrawText("PRESS SPACE to SEE USED SPRITEFONT " , 290, 420, 10, DARKGRAY); |
| 68 | |
| 69 | EndDrawing(); |
| 70 | //---------------------------------------------------------------------------------- |
| 71 | } |
| 72 | |
| 73 | // De-Initialization |
| 74 | //-------------------------------------------------------------------------------------- |
| 75 | UnloadTexture(texture); // Texture unloading |
| 76 | |
| 77 | UnloadFont(font); // Unload custom spritefont |
| 78 | |
| 79 | CloseWindow(); // Close window and OpenGL context |
| 80 | //-------------------------------------------------------------------------------------- |
| 81 | |
| 82 | return 0; |
| 83 | } |