Update/merge examples back into main repo (#192)

Examples/Textures/RawData.cs

@@ -0,0 +1,114 @@
+/*******************************************************************************************
+*
+*   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)
+*
+********************************************************************************************/
+
+using static Raylib_cs.Raylib;
+
+namespace Examples.Textures;
+
+public class RawData
+{
+    public unsafe static int Main()
+    {
+        // Initialization
+        //--------------------------------------------------------------------------------------
+        const int screenWidth = 800;
+        const 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 fudesumiRaw = LoadImageRaw(
+            "resources/fudesumi.raw",
+            384,
+            512,
+            PixelFormat.PIXELFORMAT_UNCOMPRESSED_R8G8B8A8,
+            0
+        );
+        Texture2D fudesumi = LoadTextureFromImage(fudesumiRaw);
+        UnloadImage(fudesumiRaw);
+
+        // Generate a checked texture by code
+        int width = 960;
+        int height = 480;
+
+        // Store pixel data
+        Color* pixels = (Color*)Raylib.MemAlloc(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 * width + x] = Color.ORANGE;
+                }
+                else
+                {
+                    pixels[y * width + x] = Color.GOLD;
+                }
+            }
+        }
+
+        // Load pixels data into an image structure and create texture
+        Image checkedIm = new Image
+        {
+            Data = pixels,
+            Width = width,
+            Height = height,
+            Format = PixelFormat.PIXELFORMAT_UNCOMPRESSED_R8G8B8A8,
+            Mipmaps = 1,
+        };
+        Texture2D checkedTex = LoadTextureFromImage(checkedIm);
+        Raylib.MemFree(pixels);
+        //---------------------------------------------------------------------------------------
+
+        // Main game loop
+        while (!WindowShouldClose())
+        {
+            // Update
+            //----------------------------------------------------------------------------------
+            // TODO: Update your variables here
+            //----------------------------------------------------------------------------------
+
+            // Draw
+            //----------------------------------------------------------------------------------
+            BeginDrawing();
+            ClearBackground(Color.RAYWHITE);
+
+            int x = screenWidth / 2 - checkedTex.Width / 2;
+            int y = screenHeight / 2 - checkedTex.Height / 2;
+            DrawTexture(checkedTex, x, y, ColorAlpha(Color.WHITE, 0.5f));
+            DrawTexture(fudesumi, 430, -30, Color.WHITE);
+
+            DrawText("CHECKED TEXTURE ", 84, 85, 30, Color.BROWN);
+            DrawText("GENERATED by CODE", 72, 148, 30, Color.BROWN);
+            DrawText("and RAW IMAGE LOADING", 46, 210, 30, Color.BROWN);
+
+            DrawText("(c) Fudesumi sprite by Eiden Marsal", 310, screenHeight - 20, 10, Color.BROWN);
+
+            EndDrawing();
+            //----------------------------------------------------------------------------------
+        }
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        UnloadTexture(fudesumi);
+        UnloadTexture(checkedTex);
+
+        CloseWindow();
+        //--------------------------------------------------------------------------------------
+
+        return 0;
+    }
+}