textures_svg_loading.c

/*******************************************************************************************
*
*   raylib [textures] example - SVG loading and texture creation
*
*   NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM)
*
*   Example originally created with raylib 4.2, last time updated with raylib 4.2
*
*   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) 2022 Dennis Meinen (@bixxy#4258 on Discord)
*
********************************************************************************************/

#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 - svg loading");

    // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)

    Image image = LoadImageSvg("resources/test.svg", 400, 350);     // Loaded in CPU memory (RAM)
    Texture2D texture = LoadTextureFromImage(image);          // Image converted to texture, GPU memory (VRAM)
    UnloadImage(image);   // Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM

    SetTargetFPS(60);     // Set our game to run at 60 frames-per-second
    //---------------------------------------------------------------------------------------

    // 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);

            //Red border to illustrate how the SVG is centered within the specified dimensions
            DrawRectangleLines((screenWidth / 2 - texture.width / 2) - 1, (screenHeight / 2 - texture.height / 2) - 1, texture.width + 2, texture.height + 2, RED);

            DrawText("this IS a texture loaded from an SVG file!", 300, 410, 10, GRAY);

        EndDrawing();
        //----------------------------------------------------------------------------------
    }

    // De-Initialization
    //--------------------------------------------------------------------------------------
    UnloadTexture(texture);       // Texture unloading

    CloseWindow();                // Close window and OpenGL context
    //--------------------------------------------------------------------------------------

    return 0;
}