Merge pull request #26 from raysan5/develop

Develop branch integration

1 files changed, 90 insertions, 0 deletions

diff --git a/examples/textures_raw_data.c b/examples/textures_raw_data.c
new file mode 100644
index 00000000..a4ff71b3
--- /dev/null
+++ b/examples/textures_raw_data.c
@@ -0,0 +1,90 @@
+/*******************************************************************************************
+*
+*   raylib [textures] example - Load textures from raw data
+*
+*   NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM)
+*
+*   This example has been created using raylib 1.3 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include <stdlib.h>     // Required for malloc() and free()
+
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    int screenWidth = 800;
+    int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture from raw data");
+
+    // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
+ 
+    // Load RAW image data (512x512, 32bit RGBA, no file header)
+    Image sonicRaw = LoadImageRaw("resources/texture_formats/sonic_R8G8B8A8.raw", 512, 512, UNCOMPRESSED_R8G8B8A8, 0);
+    Texture2D sonic = LoadTextureFromImage(sonicRaw);   // Upload CPU (RAM) image to GPU (VRAM)
+    UnloadImage(sonicRaw);                              // Unload CPU (RAM) image data
+    
+    // Generate a checked texture by code (1024x1024 pixels)
+    int width = 1024;
+    int height = 1024;
+    
+    Color *pixels = (Color *)malloc(width*height*sizeof(Color));
+    
+    for (int y = 0; y < height; y++)
+    {
+        for (int x = 0; x < width; x++)
+        {
+            if (((x/32+y/32)/1)%2 == 0) pixels[y*height + x] = DARKBLUE;
+            else pixels[y*height + x] = SKYBLUE;
+        }
+    }
+    
+    // Load pixels data into an image structure and create texture
+    Image checkedIm = LoadImageEx(pixels, width, height);
+    Texture2D checked = LoadTextureFromImage(checkedIm);
+    UnloadImage(checkedIm);     // Unload CPU (RAM) image data
+    free(pixels);               // Unload CPU (RAM) pixels data
+    //---------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // TODO: Update your variables here
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            DrawTexture(checked, screenWidth/2 - checked.width/2, screenHeight/2 - checked.height/2, Fade(WHITE, 0.3f));
+            DrawTexture(sonic, 330, -20, WHITE);
+
+            DrawText("CHECKED TEXTURE ", 84, 100, 30, DARKBLUE);
+            DrawText("GENERATED by CODE", 72, 164, 30, DARKBLUE);
+            DrawText("and RAW IMAGE LOADING", 46, 226, 30, DARKBLUE);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(sonic);       // Texture unloading
+    UnloadTexture(checked);     // Texture unloading
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
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