Added ImageRotate (#3078)

* Added ImageRotate

* Quick rename of the example

* Update ImageRotate by changing doubles to floats and checking code convention

* Update API

examples/Makefile

@@ -453,6 +453,7 @@ TEXTURES = \
     textures/textures_image_generation \
     textures/textures_image_loading \
     textures/textures_image_processing \
+    textures/textures_image_rotate \
     textures/textures_image_text \
     textures/textures_to_image \
     textures/textures_raw_data \

examples/textures/textures_image_rotate.c

@@ -0,0 +1,79 @@
+/*******************************************************************************************
+*
+*   raylib [textures] example - Image Rotation
+*
+*   Example originally created with raylib 1.0, last time updated with raylib 1.0
+*
+*   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) 2014-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define NUM_TEXTURES  3
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture rotation");
+
+    // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
+    Image image45 = LoadImage("resources/raylib_logo.png");
+    Image image90 = LoadImage("resources/raylib_logo.png");
+    Image imageNeg90 = LoadImage("resources/raylib_logo.png");
+
+    ImageRotate(&image45, 45);
+    ImageRotate(&image90, 90);
+    ImageRotate(&imageNeg90, -90);
+
+    Texture2D textures[NUM_TEXTURES] = { 0 };
+
+    textures[0] = LoadTextureFromImage(image45);
+    textures[1] = LoadTextureFromImage(image90);
+    textures[2] = LoadTextureFromImage(imageNeg90);
+
+    int currentTexture = 0;
+    //---------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT) || IsKeyPressed(KEY_RIGHT))
+        {
+            currentTexture = (currentTexture + 1)%NUM_TEXTURES; // Cycle between the textures
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            DrawTexture(textures[currentTexture], screenWidth/2 - textures[currentTexture].width/2, screenHeight/2 - textures[currentTexture].height/2, WHITE);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    for (int i = 0; i < NUM_TEXTURES; i++) UnloadTexture(textures[i]);
+
+    CloseWindow();                // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}