mirror of
https://github.com/raysan5/raylib.git
synced 2025-10-26 12:27:01 +00:00
88 lines
3.6 KiB
C
88 lines
3.6 KiB
C
/*******************************************************************************************
|
|
*
|
|
* 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;
|
|
} |