raylib/examples/textures_rectangle.c

76 lines
3.1 KiB
C

/*******************************************************************************************
*
* raylib example 04b - Texture loading and drawing a part defined by a rectangle
*
* This example has been created using raylib 1.0 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2013 Ramon Santamaria (Ray San - raysan@raysanweb.com)
*
********************************************************************************************/
#include "raylib.h"
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
const char textLine1[] = "Lena image is a standard test image which has been in use since 1973.";
const char textLine2[] = "It comprises 512x512 pixels, and was originally cropped from the centerfold";
const char textLine3[] = "of November 1972 issue of Playboy magazine. The image is probably the most";
const char textLine4[] = "widely used test image for all sorts of image processing algorithms.";
InitWindow(screenWidth, screenHeight, "raylib example 04b - texture rectangle");
// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
Texture2D texture = LoadTexture("resources/lena.png"); // Texture loading
Color halfTrans = WHITE;
halfTrans.a = 30;
Rectangle eyesRec = { 225, 240, 155, 50 };
Vector2 position = { 369, 241 };
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
// TODO: Update your variables here
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
DrawText("LENA", 220, 100, 20, PINK);
DrawTexture(texture, screenWidth/2 - 256, 0, halfTrans); // Draw background image
DrawTextureRec(texture, eyesRec, position, WHITE); // Draw eyes part of image
DrawText(textLine1, 220, 140, 10, DARKGRAY);
DrawText(textLine2, 220, 160, 10, DARKGRAY);
DrawText(textLine3, 220, 180, 10, DARKGRAY);
DrawText(textLine4, 220, 200, 10, DARKGRAY);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadTexture(texture); // Texture unloading
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}