1fc3072275
These functions adds the possibility to retrieve a mask from the alpha channel of an image.
68 lines
2.9 KiB
C
68 lines
2.9 KiB
C
/*******************************************************************************************
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*
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* raylib [textures] example - Retrive image mask from alpha values
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*
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* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM)
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*
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* Example originally created with raylib 5.1-dev, last time updated with raylib 5.1-dev
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*
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* Example contributed by Bruno Cabral (github.com/brccabral) and reviewed by Ramon Santamaria (@raysan5)
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*
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* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software
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*
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* Copyright (c) 2024-2024 Bruno Cabral (github.com/brccabral) and Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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#include <raylib.h>
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//------------------------------------------------------------------------------------
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// Program main entry point
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//------------------------------------------------------------------------------------
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int main(void)
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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const int screenWidth = 800;
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const int screenHeight = 612;
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InitWindow(screenWidth, screenHeight, "raylib [shapes] example - draw rectangle rounded");
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Image fudesumi_image = LoadImage("resources/fudesumi.png");
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Texture2D fudesumi_texture = LoadTextureFromImage(fudesumi_image);
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Texture2D fudesumi_mask = LoadTextureMaskFromImage(fudesumi_image, RED, 0.0f);
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Image background_image = GenImageChecked(screenWidth, screenHeight, screenWidth/20, screenHeight/20, BLUE, SKYBLUE);
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Texture2D background_texture = LoadTextureFromImage(background_image);
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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// Main game loop
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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DrawTexture(background_texture, 0, 0, WHITE);
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DrawTexture(fudesumi_texture, 50, 50, WHITE);
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DrawTexture(fudesumi_mask, 410, 50, WHITE);
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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// De-Initialization
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//--------------------------------------------------------------------------------------
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UnloadImage(fudesumi_image);
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UnloadImage(background_image);
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UnloadTexture(fudesumi_texture);
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UnloadTexture(fudesumi_mask);
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UnloadTexture(background_texture);
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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}
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