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Diffstat (limited to 'docs/examples/src/textures_image_processing.c')
| -rw-r--r-- | docs/examples/src/textures_image_processing.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/docs/examples/src/textures_image_processing.c b/docs/examples/src/textures_image_processing.c deleted file mode 100644 index 58b746e0..00000000 --- a/docs/examples/src/textures_image_processing.c +++ /dev/null @@ -1,154 +0,0 @@ -/******************************************************************************************* -* -* raylib [textures] example - Image processing -* -* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM) -* -* This example has been created using raylib 1.4 (www.raylib.com) -* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) -* -* Copyright (c) 2016 Ramon Santamaria (@raysan5) -* -********************************************************************************************/ - -#include "raylib.h" - -#include <stdlib.h> // Required for: free() - -#define NUM_PROCESSES 8 - -typedef enum { - NONE = 0, - COLOR_GRAYSCALE, - COLOR_TINT, - COLOR_INVERT, - COLOR_CONTRAST, - COLOR_BRIGHTNESS, - FLIP_VERTICAL, - FLIP_HORIZONTAL -} ImageProcess; - -static const char *processText[] = { - "NO PROCESSING", - "COLOR GRAYSCALE", - "COLOR TINT", - "COLOR INVERT", - "COLOR CONTRAST", - "COLOR BRIGHTNESS", - "FLIP VERTICAL", - "FLIP HORIZONTAL" -}; - -int main() -{ - // Initialization - //-------------------------------------------------------------------------------------- - int screenWidth = 800; - int screenHeight = 450; - - InitWindow(screenWidth, screenHeight, "raylib [textures] example - image processing"); - - // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) - - Image image = LoadImage("resources/parrots.png"); // Loaded in CPU memory (RAM) - ImageFormat(&image, UNCOMPRESSED_R8G8B8A8); // Format image to RGBA 32bit (required for texture update) - Texture2D texture = LoadTextureFromImage(image); // Image converted to texture, GPU memory (VRAM) - - int currentProcess = NONE; - bool textureReload = false; - - Rectangle selectRecs[NUM_PROCESSES]; - - for (int i = 0; i < NUM_PROCESSES; i++) selectRecs[i] = (Rectangle){ 40, 50 + 32*i, 150, 30 }; - - SetTargetFPS(60); - //--------------------------------------------------------------------------------------- - - // Main game loop - while (!WindowShouldClose()) // Detect window close button or ESC key - { - // Update - //---------------------------------------------------------------------------------- - if (IsKeyPressed(KEY_DOWN)) - { - currentProcess++; - if (currentProcess > 7) currentProcess = 0; - textureReload = true; - } - else if (IsKeyPressed(KEY_UP)) - { - currentProcess--; - if (currentProcess < 0) currentProcess = 7; - textureReload = true; - } - - if (textureReload) - { - UnloadImage(image); // Unload current image data - image = LoadImage("resources/parrots.png"); // Re-load image data - - // NOTE: Image processing is a costly CPU process to be done every frame, - // If image processing is required in a frame-basis, it should be done - // with a texture and by shaders - switch (currentProcess) - { - case COLOR_GRAYSCALE: ImageColorGrayscale(&image); break; - case COLOR_TINT: ImageColorTint(&image, GREEN); break; - case COLOR_INVERT: ImageColorInvert(&image); break; - case COLOR_CONTRAST: ImageColorContrast(&image, -40); break; - case COLOR_BRIGHTNESS: ImageColorBrightness(&image, -80); break; - case FLIP_VERTICAL: ImageFlipVertical(&image); break; - case FLIP_HORIZONTAL: ImageFlipHorizontal(&image); break; - default: break; - } - - Color *pixels = GetImageData(image); // Get pixel data from image (RGBA 32bit) - UpdateTexture(texture, pixels); // Update texture with new image data - free(pixels); // Unload pixels data from RAM - - textureReload = false; - } - //---------------------------------------------------------------------------------- - - // Draw - //---------------------------------------------------------------------------------- - BeginDrawing(); - - ClearBackground(RAYWHITE); - - DrawText("IMAGE PROCESSING:", 40, 30, 10, DARKGRAY); - - // Draw rectangles - for (int i = 0; i < NUM_PROCESSES; i++) - { - if (i == currentProcess) - { - DrawRectangleRec(selectRecs[i], SKYBLUE); - DrawRectangleLines(selectRecs[i].x, selectRecs[i].y, selectRecs[i].width, selectRecs[i].height, BLUE); - DrawText(processText[i], selectRecs[i].x + selectRecs[i].width/2 - MeasureText(processText[i], 10)/2, selectRecs[i].y + 11, 10, DARKBLUE); - } - else - { - DrawRectangleRec(selectRecs[i], LIGHTGRAY); - DrawRectangleLines(selectRecs[i].x, selectRecs[i].y, selectRecs[i].width, selectRecs[i].height, GRAY); - DrawText(processText[i], selectRecs[i].x + selectRecs[i].width/2 - MeasureText(processText[i], 10)/2, selectRecs[i].y + 11, 10, DARKGRAY); - } - } - - DrawTexture(texture, screenWidth - texture.width - 60, screenHeight/2 - texture.height/2, WHITE); - DrawRectangleLines(screenWidth - texture.width - 60, screenHeight/2 - texture.height/2, texture.width, texture.height, BLACK); - - EndDrawing(); - //---------------------------------------------------------------------------------- - } - - // De-Initialization - //-------------------------------------------------------------------------------------- - UnloadTexture(texture); // Unload texture from VRAM - UnloadImage(image); // Unload image from RAM - - CloseWindow(); // Close window and OpenGL context - //-------------------------------------------------------------------------------------- - - return 0; -}
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