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/*******************************************************************************************
*
* raylib [texture] example - Image text drawing using TTF generated font
*
* Example originally created with raylib 1.8, last time updated with raylib 4.0
*
* 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) 2017-2024 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [texture] example - image text drawing");
Image parrots = LoadImage("resources/parrots.png"); // Load image in CPU memory (RAM)
// TTF Font loading with custom generation parameters
Font font = LoadFontEx("resources/KAISG.ttf", 64, 0, 0);
// Draw over image using custom font
ImageDrawTextEx(&parrots, font, "[Parrots font drawing]", (Vector2){ 20.0f, 20.0f }, (float)font.baseSize, 0.0f, RED);
Texture2D texture = LoadTextureFromImage(parrots); // Image converted to texture, uploaded to GPU memory (VRAM)
UnloadImage(parrots); // Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM
Vector2 position = { (float)(screenWidth/2 - texture.width/2), (float)(screenHeight/2 - texture.height/2 - 20) };
bool showFont = false;
SetTargetFPS(60);
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
if (IsKeyDown(KEY_SPACE)) showFont = true;
else showFont = false;
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
if (!showFont)
{
// Draw texture with text already drawn inside
DrawTextureV(texture, position, WHITE);
// Draw text directly using sprite font
DrawTextEx(font, "[Parrots font drawing]", (Vector2){ position.x + 20,
position.y + 20 + 280 }, (float)font.baseSize, 0.0f, WHITE);
}
else DrawTexture(font.texture, screenWidth/2 - font.texture.width/2, 50, BLACK);
DrawText("PRESS SPACE to SHOW FONT ATLAS USED", 290, 420, 10, DARKGRAY);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadTexture(texture); // Texture unloading
UnloadFont(font); // Unload custom font
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
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