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authorUneven Prankster <unevenprankster@protonmail.com>2023-10-15 21:28:29 -0300
committerUneven Prankster <unevenprankster@protonmail.com>2023-10-15 21:28:29 -0300
commit1c0cc775732201f4c4d3ee0d6772be786b3b4aa1 (patch)
treef5d692d046868261275c7430a624c3ea9ed75d3d /raylib/examples/textures/textures_to_image.c
parenta89f892640cf12f75c7ce18e6e88c70a8d3965ed (diff)
A lot has certainly happened!
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+/*******************************************************************************************
+*
+* raylib [textures] example - Retrieve image data from texture: LoadImageFromTexture()
+*
+* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM)
+*
+* Example originally created with raylib 1.3, last time updated with raylib 4.0
+*
+* 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) 2015-2023 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 - texture to image");
+
+ // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
+
+ Image image = LoadImage("resources/raylib_logo.png"); // Load image data into CPU memory (RAM)
+ Texture2D texture = LoadTextureFromImage(image); // Image converted to texture, GPU memory (RAM -> VRAM)
+ UnloadImage(image); // Unload image data from CPU memory (RAM)
+
+ image = LoadImageFromTexture(texture); // Load image from GPU texture (VRAM -> RAM)
+ UnloadTexture(texture); // Unload texture from GPU memory (VRAM)
+
+ texture = LoadTextureFromImage(image); // Recreate texture from retrieved image data (RAM -> VRAM)
+ UnloadImage(image); // Unload retrieved image data from CPU memory (RAM)
+ //---------------------------------------------------------------------------------------
+
+ // 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, WHITE);
+
+ DrawText("this IS a texture loaded from an image!", 300, 370, 10, GRAY);
+
+ EndDrawing();
+ //----------------------------------------------------------------------------------
+ }
+
+ // De-Initialization
+ //--------------------------------------------------------------------------------------
+ UnloadTexture(texture); // Texture unloading
+
+ CloseWindow(); // Close window and OpenGL context
+ //--------------------------------------------------------------------------------------
+
+ return 0;
+} \ No newline at end of file