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chore: clean recommit

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tiger tiger tiger 2026-07-07 23:47:38 +02:00
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374
Examples/Text/Unicode.cs
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@ -22,11 +22,20 @@ using static Raylib_cs.Raylib;
namespace Examples.Text;
public class Unicode
public partial class Unicode : IExample
{
private const int screenWidth = 800;
private const int screenHeight = 450;
const int EmojiPerWidth = 8;
const int EmojiPerHeight = 4;
public string Name => "Text / Unicode Emojis";
public string Title => "raylib [text] example - unicode emojis";
public ConfigFlags ConfigFlags => ConfigFlags.Msaa4xHint | ConfigFlags.VSyncHint;
// Arrays that holds the random emojis
struct EmojiInfo
{
@ -35,10 +44,10 @@ public class Unicode
public Color Color; // Emoji color
}
static EmojiInfo[] emoji = new EmojiInfo[EmojiPerWidth * EmojiPerHeight];
private EmojiInfo[] emoji;
static int hovered = -1;
static int selected = -1;
private int hovered;
private int selected;
struct Message
{
@ -130,191 +139,187 @@ public class Unicode
new Message("\xED\x95\x9C\xEA\xB5\xAD\xEB\xA7\x90\x20\xED\x95\x98\xEC\x8B\xA4\x20\xEC\xA4\x84\x20\xEC\x95\x84\xEC\x84\xB8\xEC\x9A\x94\x3F", "Korean"),
};
public static int Main()
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
private Font fontDefault;
private Font fontAsian;
private Font fontEmoji;
SetConfigFlags(ConfigFlags.Msaa4xHint | ConfigFlags.VSyncHint);
InitWindow(screenWidth, screenHeight, "raylib [text] example - unicode emojis");
private Vector2 hoveredPos;
private Vector2 selectedPos;
public void Init()
{
emoji = new EmojiInfo[EmojiPerWidth * EmojiPerHeight];
hovered = -1;
selected = -1;
// Load the font resources
// NOTE: fontAsian is for asian languages,
// fontEmoji is the emojis and fontDefault is used for everything else
Font fontDefault = LoadFont("resources/fonts/dejavu.fnt"); // Requires "resources/fonts/dejavu.png"
Font fontAsian = LoadFont("resources/fonts/noto_cjk.fnt"); // Requires "resources/fonts/noto_cjk.png"
Font fontEmoji = LoadFont("resources/fonts/symbola.fnt"); // Requires "resources/fonts/symbola.png"
fontDefault = LoadFont("resources/fonts/dejavu.fnt"); // Requires "resources/fonts/dejavu.png"
fontAsian = LoadFont("resources/fonts/noto_cjk.fnt"); // Requires "resources/fonts/noto_cjk.png"
fontEmoji = LoadFont("resources/fonts/symbola.fnt"); // Requires "resources/fonts/symbola.png"
Vector2 hoveredPos = new(0.0f, 0.0f);
Vector2 selectedPos = new(0.0f, 0.0f);
hoveredPos = new(0.0f, 0.0f);
selectedPos = new(0.0f, 0.0f);
// Set a random set of emojis when starting up
RandomizeEmoji();
}
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main loop
while (!WindowShouldClose()) // Detect window close button or ESC key
public void Update()
{
// Update
//----------------------------------------------------------------------------------
// Add a new set of emojis when SPACE is pressed
if (IsKeyPressed(KeyboardKey.Space))
{
// Update
//----------------------------------------------------------------------------------
// Add a new set of emojis when SPACE is pressed
if (IsKeyPressed(KeyboardKey.Space))
{
RandomizeEmoji();
}
// Set the selected emoji
if (IsMouseButtonPressed(MouseButton.Left) && (hovered != -1) && (hovered != selected))
{
selected = hovered;
selectedPos = hoveredPos;
}
Vector2 mouse = GetMousePosition();
Vector2 position = new(28.8f, 10.0f);
hovered = -1;
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(Color.RayWhite);
// Draw random emojis in the background
//------------------------------------------------------------------------------
for (int i = 0; i < emoji.Length; i++)
{
string txt = GetEmojiAt(emoji[i].Index);
Rectangle emojiRect = new(position.X, position.Y, fontEmoji.BaseSize, fontEmoji.BaseSize);
if (!CheckCollisionPointRec(mouse, emojiRect))
{
DrawTextEx(fontEmoji, txt, position, fontEmoji.BaseSize, 1.0f, selected == i ? emoji[i].Color : Fade(Color.LightGray, 0.4f));
}
else
{
DrawTextEx(fontEmoji, txt, position, fontEmoji.BaseSize, 1.0f, emoji[i].Color);
hovered = i;
hoveredPos = position;
}
if ((i != 0) && (i % EmojiPerWidth == 0))
{
position.Y += fontEmoji.BaseSize + 24.25f;
position.X = 28.8f;
}
else
{
position.X += fontEmoji.BaseSize + 28.8f;
}
}
//------------------------------------------------------------------------------
// Draw the message when a emoji is selected
//------------------------------------------------------------------------------
if (selected != -1)
{
int message = emoji[selected].Message;
const int horizontalPadding = 20;
const int verticalPadding = 30;
Font font = fontDefault;
// Set correct font for asian languages
if ((messages[message].Language == "Chinese") ||
(messages[message].Language == "Korean") ||
(messages[message].Language == "Japanese"))
{
font = fontAsian;
}
// Calculate size for the message box (approximate the height and width)
Vector2 sz = MeasureTextEx(font, messages[message].Text, font.BaseSize, 1.0f);
if (sz.X > 300)
{
sz.Y *= sz.X / 300;
sz.X = 300;
}
else if (sz.X < 160)
{
sz.X = 160;
}
Rectangle msgRect = new(selectedPos.X - 38.8f, selectedPos.Y, 2 * horizontalPadding + sz.X, 2 * verticalPadding + sz.Y);
msgRect.Y -= msgRect.Height;
// Coordinates for the chat bubble triangle
Vector2 a = new(selectedPos.X, msgRect.Y + msgRect.Height);
Vector2 b = new(a.X + 8, a.Y + 10);
Vector2 c = new(a.X + 10, a.Y);
// Don't go outside the screen
if (msgRect.X < 10)
{
msgRect.X += 28;
}
if (msgRect.Y < 10)
{
msgRect.Y = selectedPos.Y + 84;
a.Y = msgRect.Y;
c.Y = a.Y;
b.Y = a.Y - 10;
// Swap values so we can actually render the triangle :(
Vector2 tmp = a;
a = b;
b = tmp;
}
if (msgRect.X + msgRect.Width > screenWidth)
{
msgRect.X -= (msgRect.X + msgRect.Width) - screenWidth + 10;
}
// Draw chat bubble
DrawRectangleRec(msgRect, emoji[selected].Color);
DrawTriangle(a, b, c, emoji[selected].Color);
// Draw the main text message
Rectangle textRect = new(msgRect.X + (float)horizontalPadding / 2, msgRect.Y + (float)verticalPadding / 2, msgRect.Width - horizontalPadding, msgRect.Height);
DrawTextBoxed(font, messages[message].Text, textRect, font.BaseSize, 1.0f, true, Color.White);
// Draw the info text below the main message
int size = Encoding.UTF8.GetByteCount(messages[message].Text);
int length = GetCodepointCount(messages[message].Text);
string info = $"{messages[message].Language} {length} characters {size} bytes";
sz = MeasureTextEx(GetFontDefault(), info, 10, 1.0f);
DrawText(info, (int)(textRect.X + textRect.Width - sz.X), (int)(msgRect.Y + msgRect.Height - sz.Y - 2), 10, Color.RayWhite);
}
//------------------------------------------------------------------------------
// Draw the info text
DrawText("These emojis have something to tell you, click each to find out!", (screenWidth - 650) / 2, screenHeight - 40, 20, Color.Gray);
DrawText("Each emoji is a unicode character from a font, not a texture... Press [SPACEBAR] to refresh", (screenWidth - 484) / 2, screenHeight - 16, 10, Color.Gray);
EndDrawing();
//----------------------------------------------------------------------------------
RandomizeEmoji();
}
// De-Initialization
//--------------------------------------------------------------------------------------
// Set the selected emoji
if (IsMouseButtonPressed(MouseButton.Left) && (hovered != -1) && (hovered != selected))
{
selected = hovered;
selectedPos = hoveredPos;
}
Vector2 mouse = GetMousePosition();
Vector2 position = new(28.8f, 10.0f);
hovered = -1;
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(Color.RayWhite);
// Draw random emojis in the background
//------------------------------------------------------------------------------
for (int i = 0; i < emoji.Length; i++)
{
string txt = GetEmojiAt(emoji[i].Index);
Rectangle emojiRect = new(position.X, position.Y, fontEmoji.BaseSize, fontEmoji.BaseSize);
if (!CheckCollisionPointRec(mouse, emojiRect))
{
DrawTextEx(fontEmoji, txt, position, fontEmoji.BaseSize, 1.0f, selected == i ? emoji[i].Color : Fade(Color.LightGray, 0.4f));
}
else
{
DrawTextEx(fontEmoji, txt, position, fontEmoji.BaseSize, 1.0f, emoji[i].Color);
hovered = i;
hoveredPos = position;
}
if ((i != 0) && (i % EmojiPerWidth == 0))
{
position.Y += fontEmoji.BaseSize + 24.25f;
position.X = 28.8f;
}
else
{
position.X += fontEmoji.BaseSize + 28.8f;
}
}
//------------------------------------------------------------------------------
// Draw the message when a emoji is selected
//------------------------------------------------------------------------------
if (selected != -1)
{
int message = emoji[selected].Message;
const int horizontalPadding = 20;
const int verticalPadding = 30;
Font font = fontDefault;
// Set correct font for asian languages
if ((messages[message].Language == "Chinese") ||
(messages[message].Language == "Korean") ||
(messages[message].Language == "Japanese"))
{
font = fontAsian;
}
// Calculate size for the message box (approximate the height and width)
Vector2 sz = MeasureTextEx(font, messages[message].Text, font.BaseSize, 1.0f);
if (sz.X > 300)
{
sz.Y *= sz.X / 300;
sz.X = 300;
}
else if (sz.X < 160)
{
sz.X = 160;
}
Rectangle msgRect = new(selectedPos.X - 38.8f, selectedPos.Y, 2 * horizontalPadding + sz.X, 2 * verticalPadding + sz.Y);
msgRect.Y -= msgRect.Height;
// Coordinates for the chat bubble triangle
Vector2 a = new(selectedPos.X, msgRect.Y + msgRect.Height);
Vector2 b = new(a.X + 8, a.Y + 10);
Vector2 c = new(a.X + 10, a.Y);
// Don't go outside the screen
if (msgRect.X < 10)
{
msgRect.X += 28;
}
if (msgRect.Y < 10)
{
msgRect.Y = selectedPos.Y + 84;
a.Y = msgRect.Y;
c.Y = a.Y;
b.Y = a.Y - 10;
// Swap values so we can actually render the triangle :(
Vector2 tmp = a;
a = b;
b = tmp;
}
if (msgRect.X + msgRect.Width > screenWidth)
{
msgRect.X -= (msgRect.X + msgRect.Width) - screenWidth + 10;
}
// Draw chat bubble
DrawRectangleRec(msgRect, emoji[selected].Color);
DrawTriangle(a, b, c, emoji[selected].Color);
// Draw the main text message
Rectangle textRect = new(msgRect.X + (float)horizontalPadding / 2, msgRect.Y + (float)verticalPadding / 2, msgRect.Width - horizontalPadding, msgRect.Height);
DrawTextBoxed(font, messages[message].Text, textRect, font.BaseSize, 1.0f, true, Color.White);
// Draw the info text below the main message
int size = Encoding.UTF8.GetByteCount(messages[message].Text);
int length = GetCodepointCount(messages[message].Text);
string info = $"{messages[message].Language} {length} characters {size} bytes";
sz = MeasureTextEx(GetFontDefault(), info, 10, 1.0f);
DrawText(info, (int)(textRect.X + textRect.Width - sz.X), (int)(msgRect.Y + msgRect.Height - sz.Y - 2), 10, Color.RayWhite);
}
//------------------------------------------------------------------------------
// Draw the info text
DrawText("These emojis have something to tell you, click each to find out!", (screenWidth - 650) / 2, screenHeight - 40, 20, Color.Gray);
DrawText("Each emoji is a unicode character from a font, not a texture... Press [SPACEBAR] to refresh", (screenWidth - 484) / 2, screenHeight - 16, 10, Color.Gray);
EndDrawing();
//----------------------------------------------------------------------------------
}
public void Unload()
{
UnloadFont(fontDefault); // Unload font resource
UnloadFont(fontAsian); // Unload font resource
UnloadFont(fontEmoji); // Unload font resource
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
// Fills the emoji array with random emoji (only those emojis present in fontEmoji)
static void RandomizeEmoji()
void RandomizeEmoji()
{
hovered = selected = -1;
int start = GetRandomValue(45, 360);
@ -510,4 +515,33 @@ public class Unicode
textOffsetX += glyphWidth;
}
}
public static int Main()
{
// Initialization
//--------------------------------------------------------------------------------------
SetConfigFlags(ConfigFlags.Msaa4xHint | ConfigFlags.VSyncHint);
InitWindow(screenWidth, screenHeight, "raylib [text] example - unicode emojis");
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
var game = new Unicode();
game.Init();
// Main loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
game.Update();
}
game.Unload();
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
}