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Update text_unicode_font_example.c

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The creation of the array has been rewritten, the size of the example has been reduced
This commit is contained in:
Gunko Vadim 2025-04-12 07:07:14 +05:00
parent 4184a5b251
commit 0d86084709
1 changed files with 69 additions and 125 deletions
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examples/text/text_unicode_font_example.c
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@ -1,148 +1,92 @@
#include <stdlib.h> #include <stdlib.h>
#include <string.h>
#include <raylib.h> #include <raylib.h>
#define SCREEN_WIDTH 800 #define SCREEN_WIDTH 800
#define SCREEN_HEIGHT 450 #define SCREEN_HEIGHT 450
#define INITIAL_CAPACITY 65536 // 2^16 - sufficient for most Unicode BMP characters
typedef struct {
int* data;
int count;
int capacity;
} CodepointsArray;
static int AddCodeRange(int* codePoints, int* count, int start, int stop) static void AddRange(CodepointsArray* array, int start, int stop) {
{ int rangeSize = stop - start + 1;
// Verify we have enough capacity for this range
if (*count + (stop - start + 1) > INITIAL_CAPACITY) { if (array->count + rangeSize > array->capacity) {
return 0; // Not enough space array->capacity = array->count + rangeSize + 1024;
array->data = (int*)MemRealloc(array->data, array->capacity * sizeof(int));
if (!array->data) {
TraceLog(LOG_ERROR, "FONTUTIL: Memory allocation failed");
exit(1);
}
} }
// Add all code points in the range for (int i = start; i <= stop; i++) {
while (start <= stop) { array->data[array->count++] = i;
codePoints[*count] = start;
(*count)++;
start++;
} }
return 1; // Success
} }
Font LoadUnicodeFont(const char* fileName, int fontSize, int textureFilter) Font LoadUnicodeFont(const char* fileName, int fontSize, int textureFilter) {
{ CodepointsArray cp = {0};
// Allocate memory for code points (fixed size - no reallocation needed) cp.capacity = 2048;
int* codePoints = (int*)malloc(INITIAL_CAPACITY * sizeof(int)); cp.data = (int*)MemAlloc(cp.capacity * sizeof(int));
if (!codePoints) return GetFontDefault();
int count = 0; // Tracks number of added code points
// -------------------------------------------------- if (!cp.data) {
// 1. BASIC ASCII CHARACTERS TraceLog(LOG_ERROR, "FONTUTIL: Initial allocation failed");
// -------------------------------------------------- return GetFontDefault();
AddCodeRange(codePoints, &count, 32, 126); // Basic Latin (letters, digits, punctuation) }
// --------------------------------------------------
// 2. EUROPEAN LANGUAGES (LATIN SCRIPT)
// --------------------------------------------------
AddCodeRange(codePoints, &count, 0xC0, 0x17F); // Latin-1 Supplement + Latin Extended-A
AddCodeRange(codePoints, &count, 0x180, 0x24F); // Latin Extended-B
AddCodeRange(codePoints, &count, 0x1E00, 0x1EFF); // Latin Extended Additional
AddCodeRange(codePoints, &count, 0x2C60, 0x2C7F); // Latin Extended-C
// --------------------------------------------------
// 3. GREEK AND COPTIC
// --------------------------------------------------
AddCodeRange(codePoints, &count, 0x370, 0x3FF); // Greek and Coptic
AddCodeRange(codePoints, &count, 0x1F00, 0x1FFF); // Greek Extended
// --------------------------------------------------
// 4. CYRILLIC SCRIPTS
// --------------------------------------------------
AddCodeRange(codePoints, &count, 0x400, 0x4FF); // Basic Cyrillic
AddCodeRange(codePoints, &count, 0x500, 0x52F); // Cyrillic Supplement
AddCodeRange(codePoints, &count, 0x2DE0, 0x2DFF); // Cyrillic Extended-A
AddCodeRange(codePoints, &count, 0xA640, 0xA69F); // Cyrillic Extended-B
// --------------------------------------------------
// 5. CJK LANGUAGES (CHINESE, JAPANESE, KOREAN)
// --------------------------------------------------
AddCodeRange(codePoints, &count, 0x4E00, 0x9FFF); // CJK Unified Ideographs
AddCodeRange(codePoints, &count, 0x3400, 0x4DBF); // CJK Extension A
AddCodeRange(codePoints, &count, 0x3000, 0x303F); // CJK Symbols and Punctuation
AddCodeRange(codePoints, &count, 0x3040, 0x309F); // Hiragana (Japanese)
AddCodeRange(codePoints, &count, 0x30A0, 0x30FF); // Katakana (Japanese)
AddCodeRange(codePoints, &count, 0x31F0, 0x31FF); // Katakana Phonetic Extensions
AddCodeRange(codePoints, &count, 0xFF00, 0xFFEF); // Halfwidth and Fullwidth Forms
AddCodeRange(codePoints, &count, 0xAC00, 0xD7AF); // Hangul Syllables (Korean)
AddCodeRange(codePoints, &count, 0x1100, 0x11FF); // Hangul Jamo
// --------------------------------------------------
// 6. SOUTHEAST ASIAN LANGUAGES
// --------------------------------------------------
AddCodeRange(codePoints, &count, 0x0E00, 0x0E7F); // Thai
AddCodeRange(codePoints, &count, 0x0E80, 0x0EFF); // Lao
AddCodeRange(codePoints, &count, 0x1780, 0x17FF); // Khmer
AddCodeRange(codePoints, &count, 0x1000, 0x109F); // Myanmar
AddCodeRange(codePoints, &count, 0x1980, 0x19DF); // New Tai Lue
// --------------------------------------------------
// 7. INDIAN SUBCONTINENT LANGUAGES
// --------------------------------------------------
AddCodeRange(codePoints, &count, 0x900, 0x97F); // Devanagari (Hindi, Sanskrit)
AddCodeRange(codePoints, &count, 0x980, 0x9FF); // Bengali
AddCodeRange(codePoints, &count, 0xA00, 0xA7F); // Gurmukhi (Punjabi)
AddCodeRange(codePoints, &count, 0xA80, 0xAFF); // Gujarati
AddCodeRange(codePoints, &count, 0xB00, 0xB7F); // Oriya
AddCodeRange(codePoints, &count, 0xB80, 0xBFF); // Tamil
AddCodeRange(codePoints, &count, 0xC00, 0xC7F); // Telugu
AddCodeRange(codePoints, &count, 0xC80, 0xCFF); // Kannada
AddCodeRange(codePoints, &count, 0xD00, 0xD7F); // Malayalam
AddCodeRange(codePoints, &count, 0xD80, 0xDFF); // Sinhala
// --------------------------------------------------
// 8. MIDDLE EASTERN LANGUAGES
// --------------------------------------------------
AddCodeRange(codePoints, &count, 0x600, 0x6FF); // Arabic
AddCodeRange(codePoints, &count, 0x750, 0x77F); // Arabic Supplement
AddCodeRange(codePoints, &count, 0x8A0, 0x8FF); // Arabic Extended-A
AddCodeRange(codePoints, &count, 0xFB50, 0xFDFF); // Arabic Presentation Forms-A
AddCodeRange(codePoints, &count, 0x5D0, 0x5EA); // Hebrew
AddCodeRange(codePoints, &count, 0x591, 0x5C7); // Hebrew Extended
AddCodeRange(codePoints, &count, 0x7C0, 0x7FF); // N'Ko
AddCodeRange(codePoints, &count, 0x640, 0x6FF); // Syriac
// --------------------------------------------------
// 9. AFRICAN LANGUAGES
// --------------------------------------------------
AddCodeRange(codePoints, &count, 0x2C80, 0x2CFF); // Coptic
AddCodeRange(codePoints, &count, 0x2D30, 0x2D7F); // Tifinagh
AddCodeRange(codePoints, &count, 0xA6A0, 0xA6FF); // Bamum
AddCodeRange(codePoints, &count, 0xAB00, 0xAB2F); // Ethiopic Extended
// --------------------------------------------------
// 10. SPECIAL CHARACTERS AND SYMBOLS
// --------------------------------------------------
AddCodeRange(codePoints, &count, 0x300, 0x36F); // Combining Diacritical Marks
AddCodeRange(codePoints, &count, 0x1DC0, 0x1DFF); // Combining Diacritical Marks Supplement
AddCodeRange(codePoints, &count, 0x2000, 0x206F); // General Punctuation
AddCodeRange(codePoints, &count, 0x20A0, 0x20CF); // Currency Symbols
AddCodeRange(codePoints, &count, 0x2100, 0x214F); // Letterlike Symbols
AddCodeRange(codePoints, &count, 0x2190, 0x21FF); // Arrows
AddCodeRange(codePoints, &count, 0x2200, 0x22FF); // Mathematical Operators
Font result = {0}; // Basic ASCII
AddRange(&cp, 32, 126);
// European Languages
AddRange(&cp, 0xC0, 0x17F);
AddRange(&cp, 0x180, 0x24F);
AddRange(&cp, 0x1E00, 0x1EFF);
AddRange(&cp, 0x2C60, 0x2C7F);
// Greek
AddRange(&cp, 0x370, 0x3FF);
AddRange(&cp, 0x1F00, 0x1FFF);
// Cyrillic
AddRange(&cp, 0x400, 0x4FF);
AddRange(&cp, 0x500, 0x52F);
AddRange(&cp, 0x2DE0, 0x2DFF);
AddRange(&cp, 0xA640, 0xA69F);
// CJK
AddRange(&cp, 0x4E00, 0x9FFF);
AddRange(&cp, 0x3400, 0x4DBF);
AddRange(&cp, 0x3000, 0x303F);
AddRange(&cp, 0x3040, 0x309F);
AddRange(&cp, 0x30A0, 0x30FF);
AddRange(&cp, 0x31F0, 0x31FF);
AddRange(&cp, 0xFF00, 0xFFEF);
AddRange(&cp, 0xAC00, 0xD7AF);
AddRange(&cp, 0x1100, 0x11FF);
// Other
AddRange(&cp, 0x900, 0x97F); // Devanagari
AddRange(&cp, 0x600, 0x6FF); // Arabic
AddRange(&cp, 0x5D0, 0x5EA); // Hebrew
Font font = {0};
// Attempt to load the font with collected code points
if (FileExists(fileName)) { if (FileExists(fileName)) {
result = LoadFontEx(fileName, fontSize, codePoints, count); font = LoadFontEx(fileName, fontSize, cp.data, cp.count);
} }
// Fallback to default font if loading fails if (font.texture.id == 0) {
if (result.texture.id == 0) { font = GetFontDefault();
result = GetFontDefault(); TraceLog(LOG_WARNING, "FONTUTIL: Using default font");
} }
// Apply texture filtering SetTextureFilter(font.texture, textureFilter);
SetTextureFilter(result.texture, textureFilter); MemFree(cp.data);
// Clean up return font;
free(codePoints);
return result;
} }
/** /**