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Diffstat (limited to 'deps/raylib/examples/textures/textures_image_drawing.c')
-rw-r--r-- | deps/raylib/examples/textures/textures_image_drawing.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/deps/raylib/examples/textures/textures_image_drawing.c b/deps/raylib/examples/textures/textures_image_drawing.c new file mode 100644 index 0000000..d0eee99 --- /dev/null +++ b/deps/raylib/examples/textures/textures_image_drawing.c @@ -0,0 +1,96 @@ +/******************************************************************************************* +* +* raylib [textures] example - Image loading and drawing on it +* +* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM) +* +* Example originally created with raylib 1.4, last time updated with raylib 1.4 +* +* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified, +* BSD-like license that allows static linking with closed source software +* +* Copyright (c) 2016-2024 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +//------------------------------------------------------------------------------------ +// Program main entry point +//------------------------------------------------------------------------------------ +int main(void) +{ + // Initialization + //-------------------------------------------------------------------------------------- + const int screenWidth = 800; + const int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [textures] example - image drawing"); + + // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) + + Image cat = LoadImage("resources/cat.png"); // Load image in CPU memory (RAM) + ImageCrop(&cat, (Rectangle){ 100, 10, 280, 380 }); // Crop an image piece + ImageFlipHorizontal(&cat); // Flip cropped image horizontally + ImageResize(&cat, 150, 200); // Resize flipped-cropped image + + Image parrots = LoadImage("resources/parrots.png"); // Load image in CPU memory (RAM) + + // Draw one image over the other with a scaling of 1.5f + ImageDraw(&parrots, cat, (Rectangle){ 0, 0, (float)cat.width, (float)cat.height }, (Rectangle){ 30, 40, cat.width*1.5f, cat.height*1.5f }, WHITE); + ImageCrop(&parrots, (Rectangle){ 0, 50, (float)parrots.width, (float)parrots.height - 100 }); // Crop resulting image + + // Draw on the image with a few image draw methods + ImageDrawPixel(&parrots, 10, 10, RAYWHITE); + ImageDrawCircleLines(&parrots, 10, 10, 5, RAYWHITE); + ImageDrawRectangle(&parrots, 5, 20, 10, 10, RAYWHITE); + + UnloadImage(cat); // Unload image from RAM + + // Load custom font for drawing on image + Font font = LoadFont("resources/custom_jupiter_crash.png"); + + // Draw over image using custom font + ImageDrawTextEx(&parrots, font, "PARROTS & CAT", (Vector2){ 300, 230 }, (float)font.baseSize, -2, WHITE); + + UnloadFont(font); // Unload custom font (already drawn used on image) + + Texture2D texture = LoadTextureFromImage(parrots); // Image converted to texture, uploaded to GPU memory (VRAM) + UnloadImage(parrots); // Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM + + SetTargetFPS(60); + //--------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + // TODO: Update your variables here + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + DrawTexture(texture, screenWidth/2 - texture.width/2, screenHeight/2 - texture.height/2 - 40, WHITE); + DrawRectangleLines(screenWidth/2 - texture.width/2, screenHeight/2 - texture.height/2 - 40, texture.width, texture.height, DARKGRAY); + + DrawText("We are drawing only one texture from various images composed!", 240, 350, 10, DARKGRAY); + DrawText("Source images have been cropped, scaled, flipped and copied one over the other.", 190, 370, 10, DARKGRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadTexture(texture); // Texture unloading + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +} |