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feat: backporting existing raylib-cs examples and new official raylib examples to WASM, adopting raylib's original code style

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tiger tiger tiger 2026-07-17 08:22:54 +02:00
commit f804ab7773
234 changed files with 38997 additions and 10578 deletions
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151
Examples/Textures/ImageText.cs
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@ -1,11 +1,15 @@
/*******************************************************************************************
*
* raylib [texture] example - Image text drawing using TTF generated spritefont
* raylib [textures] example - image text
*
* This example has been created using raylib 1.8 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
* Example complexity rating: [★★☆☆] 2/4
*
* Copyright (c) 2017 Ramon Santamaria (@raysan5)
* 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) 2017-2025 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
@ -14,21 +18,26 @@ using static Raylib_cs.Raylib;
namespace Examples.Textures;
public class ImageText
public partial class ImageText : IExample
{
public static int Main()
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
private const int screenWidth = 800;
private const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [texture] example - image text drawing");
public string Name => "Textures / Image Text";
public string Title => "raylib [textures] example - image text";
private Font font;
private Texture2D texture;
private Vector2 position;
private bool showFont;
public void Init()
{
var parrots = LoadImage("resources/parrots.png"); // Load image in CPU memory (RAM)
// TTF Font loading with custom generation parameters
Font font = LoadFontEx("resources/fonts/KAISG.ttf", 64, null, 95);
Image parrots = LoadImage("resources/parrots.png");
font = LoadFontEx("resources/fonts/KAISG.ttf", 64, null, 0);
// Draw over image using custom font
ImageDrawTextEx(
@ -38,69 +47,89 @@ public class ImageText
new Vector2(20, 20),
font.BaseSize,
0,
Color.White
Color.Red
);
// Image converted to texture, uploaded to GPU memory (VRAM)
Texture2D texture = LoadTextureFromImage(parrots);
UnloadImage(parrots);
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 = new(
position = new(
screenWidth / 2 - texture.Width / 2,
screenHeight / 2 - texture.Height / 2 - 20
);
bool showFont = false;
showFont = false;
}
public void Update()
{
// Update
//----------------------------------------------------------------------------------
if (IsKeyDown(KeyboardKey.Space))
{
showFont = true;
}
else
{
showFont = false;
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(Color.RayWhite);
if (!showFont)
{
// Draw texture with text already drawn inside
DrawTextureV(texture, position, Color.White);
// Draw text directly using sprite font
Vector2 textPosition = new(position.X + 20, position.Y + 20 + 280);
DrawTextEx(font, "[Parrots font drawing]", textPosition, font.BaseSize, 0, Color.White);
}
else
{
DrawTexture(font.Texture, screenWidth / 2 - font.Texture.Width / 2, 50, Color.Black);
}
DrawText("PRESS SPACE to SHOW FONT ATLAS USED", 290, 420, 10, Color.DarkGray);
EndDrawing();
//----------------------------------------------------------------------------------
}
public void Unload()
{
UnloadTexture(texture); // Texture unloading
UnloadFont(font); // Unload custom font
}
public static int Main()
{
// Initialization
//--------------------------------------------------------------------------------------
InitWindow(screenWidth, screenHeight, "raylib [textures] example - image text");
SetTargetFPS(60);
//--------------------------------------------------------------------------------------
var game = new ImageText();
game.Init();
// Main game loop
while (!WindowShouldClose())
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
if (IsKeyDown(KeyboardKey.Space))
{
showFont = true;
}
else
{
showFont = false;
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(Color.RayWhite);
if (!showFont)
{
// Draw texture with text already drawn inside
DrawTextureV(texture, position, Color.White);
// Draw text directly using sprite font
Vector2 textPosition = new(position.X + 20, position.Y + 20 + 280);
DrawTextEx(font, "[Parrots font drawing]", textPosition, font.BaseSize, 0, Color.White);
}
else
{
DrawTexture(font.Texture, screenWidth / 2 - font.Texture.Width / 2, 50, Color.Black);
}
DrawText("PRESS SPACE to SEE USED SPRITEFONT ", 290, 420, 10, Color.DarkGray);
EndDrawing();
//----------------------------------------------------------------------------------
game.Update();
}
game.Unload();
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadTexture(texture);
UnloadFont(font);
CloseWindow();
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;