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183 lines
6.7 KiB
183 lines
6.7 KiB
/*******************************************************************************************
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*
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* raylib [text] example - unicode ranges
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*
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* Example complexity rating: [★★★★] 4/4
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*
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* Example originally created with raylib 2.5, last time updated with raylib 4.0
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*
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* Example contributed by Vlad Adrian (@demizdor) and reviewed by Ramon Santamaria (@raysan5)
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*
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* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software
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*
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* Copyright (c) 2019-2025 Vlad Adrian (@demizdor) and Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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#include "raylib.h"
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#include <stdlib.h>
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typedef struct {
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int* data;
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int count;
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int capacity;
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} CodepointsArray;
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//--------------------------------------------------------------------------------------
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// Module functions declaration
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//--------------------------------------------------------------------------------------
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static void AddRange(CodepointsArray* array, int start, int stop);
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static Font LoadUnicodeFont(const char* fileName, int fontSize);
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//------------------------------------------------------------------------------------
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// Program main entry point
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//------------------------------------------------------------------------------------
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int main(void)
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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const int screenWidth = 800;
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const int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [text] example - unicode ranges");
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// Load font with Unicode support
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Font fontUni = LoadUnicodeFont("resources/NotoSansTC-Regular.ttf", 32);
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SetTextureFilter(fontUni.texture, TEXTURE_FILTER_BILINEAR);
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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// Main loop
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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// Update
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//----------------------------------------------------------------------------------
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//...
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(RAYWHITE);
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// Render test strings in different languages
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DrawTextEx(fontUni, "English: Hello World!", (Vector2){ 50, 50 }, 32, 1, DARKGRAY); // English
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DrawTextEx(fontUni, "Español: Hola mundo!", (Vector2){ 50, 100 }, 32, 1, DARKGRAY); // Spanish
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DrawTextEx(fontUni, "Ελληνικά: Γειά σου κόσμε!", (Vector2){ 50, 150 }, 32, 1, DARKGRAY); // Greek
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DrawTextEx(fontUni, "Русский: Привет мир!", (Vector2){ 50, 200 }, 32, 0, DARKGRAY); // Russian
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DrawTextEx(fontUni, "中文: 你好世界!", (Vector2){ 50, 250 }, 32, 1, DARKGRAY); // Chinese
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DrawTextEx(fontUni, "日本語: こんにちは世界!", (Vector2){ 50, 300 }, 32, 1, DARKGRAY); // Japanese
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DrawTextEx(fontUni, "देवनागरी: होला मुंडो!", (Vector2){ 50, 350 }, 32, 1, DARKGRAY); // Devanagari
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DrawRectangle(400, 16, 380, 400, BLACK);
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DrawTexturePro(fontUni.texture, (Rectangle){ 0, 0, fontUni.texture.width, fontUni.texture.height },
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(Rectangle){ 400, 16, 380, 400 }, (Vector2){ 0, 0 }, 0.0f, WHITE);
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// Display font attribution
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DrawText("Font: Noto Sans TC. License: SIL Open Font License 1.1", screenWidth - 300, screenHeight - 20, 10, GRAY);
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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// De-Initialization
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//--------------------------------------------------------------------------------------
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UnloadFont(fontUni); // Unload font resource
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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}
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//--------------------------------------------------------------------------------------
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// Module functions definition
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//--------------------------------------------------------------------------------------
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static void AddRange(CodepointsArray* array, int start, int stop)
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{
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int rangeSize = stop - start + 1;
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if ((array->count + rangeSize) > array->capacity)
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{
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array->capacity = array->count + rangeSize + 1024;
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array->data = (int *)MemRealloc(array->data, array->capacity*sizeof(int));
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if (!array->data)
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{
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TraceLog(LOG_ERROR, "FONTUTIL: Memory allocation failed");
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exit(1);
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}
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}
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for (int i = start; i <= stop; i++) array->data[array->count++] = i;
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}
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Font LoadUnicodeFont(const char *fileName, int fontSize)
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{
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CodepointsArray cp = { 0 };
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cp.capacity = 2048;
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cp.data = (int *)MemAlloc(cp.capacity*sizeof(int));
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if (!cp.data)
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{
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TraceLog(LOG_ERROR, "FONTUTIL: Initial allocation failed");
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return GetFontDefault();
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}
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// Unicode range: Basic ASCII
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AddRange(&cp, 32, 126);
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// Unicode range: European Languages
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AddRange(&cp, 0xC0, 0x17F);
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AddRange(&cp, 0x180, 0x24F);
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AddRange(&cp, 0x1E00, 0x1EFF);
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AddRange(&cp, 0x2C60, 0x2C7F);
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// Unicode range: Greek
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AddRange(&cp, 0x370, 0x3FF);
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AddRange(&cp, 0x1F00, 0x1FFF);
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// Unicode range: Cyrillic
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AddRange(&cp, 0x400, 0x4FF);
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AddRange(&cp, 0x500, 0x52F);
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AddRange(&cp, 0x2DE0, 0x2DFF);
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AddRange(&cp, 0xA640, 0xA69F);
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// Unicode range: CJK
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AddRange(&cp, 0x4E00, 0x9FFF);
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AddRange(&cp, 0x3400, 0x4DBF);
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AddRange(&cp, 0x3000, 0x303F);
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AddRange(&cp, 0x3040, 0x309F);
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AddRange(&cp, 0x30A0, 0x30FF);
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AddRange(&cp, 0x31F0, 0x31FF);
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AddRange(&cp, 0xFF00, 0xFFEF);
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AddRange(&cp, 0xAC00, 0xD7AF);
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AddRange(&cp, 0x1100, 0x11FF);
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// Unicode range: Other
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// WARNING: Not available on provided font
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AddRange(&cp, 0x900, 0x97F); // Devanagari
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AddRange(&cp, 0x600, 0x6FF); // Arabic
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AddRange(&cp, 0x5D0, 0x5EA); // Hebrew
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Font font = {0};
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if (FileExists(fileName))
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{
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font = LoadFontEx(fileName, fontSize, cp.data, cp.count);
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}
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if (font.texture.id == 0)
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{
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font = GetFontDefault();
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TraceLog(LOG_WARNING, "FONTUTIL: Using default font");
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}
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MemFree(cp.data);
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return font;
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}
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