127 lines
3.4 KiB
C
127 lines
3.4 KiB
C
#include <stdlib.h>
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#include <raylib.h>
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#define SCREEN_WIDTH 800
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#define SCREEN_HEIGHT 450
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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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static void AddRange(CodepointsArray* array, int start, int stop) {
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int rangeSize = stop - start + 1;
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if (array->count + rangeSize > array->capacity) {
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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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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++) {
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array->data[array->count++] = i;
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}
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}
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Font LoadUnicodeFont(const char* fileName, int fontSize, int textureFilter) {
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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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TraceLog(LOG_ERROR, "FONTUTIL: Initial allocation failed");
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return GetFontDefault();
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}
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// Basic ASCII
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AddRange(&cp, 32, 126);
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// 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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// Greek
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AddRange(&cp, 0x370, 0x3FF);
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AddRange(&cp, 0x1F00, 0x1FFF);
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// 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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// 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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// Other
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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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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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font = GetFontDefault();
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TraceLog(LOG_WARNING, "FONTUTIL: Using default font");
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}
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SetTextureFilter(font.texture, textureFilter);
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MemFree(cp.data);
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return font;
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}
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/**
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* Main entry point
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*/
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int main(void)
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{
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// Initialize window
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InitWindow(SCREEN_WIDTH, SCREEN_HEIGHT, "Unicode Font Example");
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SetTargetFPS(60);
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// Load font with Unicode support
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Font myFont = LoadUnicodeFont("resources/NotoSansTC-Regular.ttf", 36, TEXTURE_FILTER_BILINEAR);
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// Main render loop
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while (!WindowShouldClose())
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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(myFont, "English: Hello World!", (Vector2){50, 50}, 36, 1, DARKGRAY);
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DrawTextEx(myFont, "Русский: Привет мир!", (Vector2){50, 100}, 36, 0, DARKGRAY);
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DrawTextEx(myFont, "中文: 你好世界!", (Vector2){50, 150}, 36, 1, DARKGRAY);
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DrawTextEx(myFont, "日本語: こんにちは世界!", (Vector2){50, 200}, 36, 1, DARKGRAY);
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// Display font attribution
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DrawText("Font: Noto Sans TC. License: SIL Open Font License 1.1",
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10, SCREEN_HEIGHT - 20, 10, GRAY);
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EndDrawing();
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}
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// Cleanup resources
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UnloadFont(myFont);
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CloseWindow();
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return 0;
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}
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