WARNING: BREAKING: Functions renamed!

RENAMED: GetCodepoints() -> LoadCodepoints(), now codepoint array data is loaded dynamically instead of reusing a limited static buffer.
ADDED: UnloadCodepoints() to safely free loaded codepoints
RENAMED: GetNextCodepoint() -> GetCodepoint()

5 files changed, 36 insertions, 26 deletions

diff --git a/examples/text/text_draw_3d.c b/examples/text/text_draw_3d.c
index a579a528..8ce576b6 100644
--- a/examples/text/text_draw_3d.c
+++ b/examples/text/text_draw_3d.c
@@ -291,7 +291,7 @@ int main(void)
                         for (int i = 0; i < layers; ++i)
                         {
                             Color clr = light;
-                            if(multicolor) clr = multi[i];
+                            if (multicolor) clr = multi[i];
                             DrawTextWave3D(font, text, (Vector3){ -tbox.x/2.0f, layerDistance*i, -4.5f }, fontSize, fontSpacing, lineSpacing, true, &wcfg, time, clr);
                         }
 
@@ -465,7 +465,7 @@ void DrawTextCodepoint3D(Font font, int codepoint, Vector3 position, float fontS
     float width = (float)(font.recs[index].width + 2.0f*font.charsPadding)/(float)font.baseSize*scale;
     float height = (float)(font.recs[index].height + 2.0f*font.charsPadding)/(float)font.baseSize*scale;
 
-    if(font.texture.id > 0)
+    if (font.texture.id > 0)
     {
         const float x = 0.0f;
         const float y = 0.0f;
@@ -477,7 +477,7 @@ void DrawTextCodepoint3D(Font font, int codepoint, Vector3 position, float fontS
         const float tw = (srcRec.x+srcRec.width)/font.texture.width;
         const float th = (srcRec.y+srcRec.height)/font.texture.height;
 
-        if(SHOW_LETTER_BOUNDRY)
+        if (SHOW_LETTER_BOUNDRY)
             DrawCubeWiresV((Vector3){ position.x + width/2, position.y, position.z + height/2}, (Vector3){ width, LETTER_BOUNDRY_SIZE, height }, LETTER_BOUNDRY_COLOR);
 
 #if defined(RAYLIB_NEW_RLGL)
@@ -533,7 +533,7 @@ void DrawText3D(Font font, const char *text, Vector3 position, float fontSize, f
     {
         // Get next codepoint from byte string and glyph index in font
         int codepointByteCount = 0;
-        int codepoint = GetNextCodepoint(&text[i], &codepointByteCount);
+        int codepoint = GetCodepoint(&text[i], &codepointByteCount);
         int index = GetGlyphIndex(font, codepoint);
 
         // NOTE: Normally we exit the decoding sequence as soon as a bad byte is found (and return 0x3f)
@@ -582,7 +582,7 @@ Vector3 MeasureText3D(Font font, const char* text, float fontSize, float fontSpa
         lenCounter++;
 
         int next = 0;
-        letter = GetNextCodepoint(&text[i], &next);
+        letter = GetCodepoint(&text[i], &next);
         index = GetGlyphIndex(font, letter);
 
         // NOTE: normally we exit the decoding sequence as soon as a bad byte is found (and return 0x3f)
@@ -632,7 +632,7 @@ void DrawTextWave3D(Font font, const char *text, Vector3 position, float fontSiz
     {
         // Get next codepoint from byte string and glyph index in font
         int codepointByteCount = 0;
-        int codepoint = GetNextCodepoint(&text[i], &codepointByteCount);
+        int codepoint = GetCodepoint(&text[i], &codepointByteCount);
         int index = GetGlyphIndex(font, codepoint);
 
         // NOTE: Normally we exit the decoding sequence as soon as a bad byte is found (and return 0x3f)
@@ -649,7 +649,7 @@ void DrawTextWave3D(Font font, const char *text, Vector3 position, float fontSiz
         }
         else if (codepoint == '~')
         {
-            if (GetNextCodepoint(&text[i+1], &codepointByteCount) == '~')
+            if (GetCodepoint(&text[i+1], &codepointByteCount) == '~')
             {
                 codepointByteCount += 1;
                 wave = !wave;
@@ -698,7 +698,7 @@ Vector3 MeasureTextWave3D(Font font, const char* text, float fontSize, float fon
         lenCounter++;
 
         int next = 0;
-        letter = GetNextCodepoint(&text[i], &next);
+        letter = GetCodepoint(&text[i], &next);
         index = GetGlyphIndex(font, letter);
 
         // NOTE: normally we exit the decoding sequence as soon as a bad byte is found (and return 0x3f)
@@ -708,7 +708,7 @@ Vector3 MeasureTextWave3D(Font font, const char* text, float fontSize, float fon
 
         if (letter != '\n')
         {
-            if(letter == '~' && GetNextCodepoint(&text[i+1], &next) == '~')
+            if (letter == '~' && GetCodepoint(&text[i+1], &next) == '~')
             {
                 i++;
             }
diff --git a/src/config.h b/src/config.h
index 3ca16032..6479d409 100644
--- a/src/config.h
+++ b/src/config.h
@@ -165,7 +165,6 @@
 //------------------------------------------------------------------------------------
 #define MAX_TEXT_BUFFER_LENGTH      1024        // Size of internal static buffers used on some functions:
                                                 // TextFormat(), TextSubtext(), TextToUpper(), TextToLower(), TextToPascal(), TextSplit()
-#define MAX_TEXT_UNICODE_CHARS       512        // Maximum number of unicode codepoints: GetCodepoints()
 #define MAX_TEXTSPLIT_COUNT          128        // Maximum number of substrings to split: TextSplit()
 
 
diff --git a/src/raylib.h b/src/raylib.h
index ea3dc693..6c4ab45e 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -1369,9 +1369,10 @@ RLAPI int TextToInteger(const char *text);                            // Get int
 RLAPI char *TextToUtf8(int *codepoints, int length);                  // Encode text codepoint into utf8 text (memory must be freed!)
 
 // UTF8 text strings management functions
-RLAPI int *GetCodepoints(const char *text, int *count);               // Get all codepoints in a string, codepoints count returned by parameters
+RLAPI int *LoadCodepoints(const char *text, int *count);              // Load all codepoints from a UTF8 text string, codepoints count returned by parameter
+RLAPI void UnloadCodepoints(int *codepoints);                         // Unload codepoints data from memory
 RLAPI int GetCodepointsCount(const char *text);                       // Get total number of characters (codepoints) in a UTF8 encoded string
-RLAPI int GetNextCodepoint(const char *text, int *bytesProcessed);    // Get next codepoint in a UTF8 encoded string; 0x3f('?') is returned on failure
+RLAPI int GetCodepoint(const char *text, int *bytesProcessed);        // Get next codepoint in a UTF8 encoded string, 0x3f('?') is returned on failure
 RLAPI const char *CodepointToUtf8(int codepoint, int *byteLength);    // Encode codepoint into utf8 text (char array length returned as parameter)
 
 //------------------------------------------------------------------------------------
diff --git a/src/text.c b/src/text.c
index 65460d80..5b5b8564 100644
--- a/src/text.c
+++ b/src/text.c
@@ -861,7 +861,7 @@ void DrawTextEx(Font font, const char *text, Vector2 position, float fontSize, f
     {
         // Get next codepoint from byte string and glyph index in font
         int codepointByteCount = 0;
-        int codepoint = GetNextCodepoint(&text[i], &codepointByteCount);
+        int codepoint = GetCodepoint(&text[i], &codepointByteCount);
         int index = GetGlyphIndex(font, codepoint);
 
         // NOTE: Normally we exit the decoding sequence as soon as a bad byte is found (and return 0x3f)
@@ -918,7 +918,7 @@ void DrawTextRecEx(Font font, const char *text, Rectangle rec, float fontSize, f
     {
         // Get next codepoint from byte string and glyph index in font
         int codepointByteCount = 0;
-        int codepoint = GetNextCodepoint(&text[i], &codepointByteCount);
+        int codepoint = GetCodepoint(&text[i], &codepointByteCount);
         int index = GetGlyphIndex(font, codepoint);
 
         // NOTE: Normally we exit the decoding sequence as soon as a bad byte is found (and return 0x3f)
@@ -1089,7 +1089,7 @@ Vector2 MeasureTextEx(Font font, const char *text, float fontSize, float spacing
         lenCounter++;
 
         int next = 0;
-        letter = GetNextCodepoint(&text[i], &next);
+        letter = GetCodepoint(&text[i], &next);
         index = GetGlyphIndex(font, letter);
 
         // NOTE: normally we exit the decoding sequence as soon as a bad byte is found (and return 0x3f)
@@ -1563,28 +1563,38 @@ RLAPI const char *CodepointToUtf8(int codepoint, int *byteLength)
     return utf8;
 }
 
-// Get all codepoints in a string, codepoints count returned by parameters
-// REQUIRES: memset()
-int *GetCodepoints(const char *text, int *count)
+// Load all codepoints from a UTF8 text string, codepoints count returned by parameter
+int *LoadCodepoints(const char *text, int *count)
 {
-    static int codepoints[MAX_TEXT_UNICODE_CHARS] = { 0 };
-    memset(codepoints, 0, MAX_TEXT_UNICODE_CHARS*sizeof(int));
-
-    int bytesProcessed = 0;
     int textLength = TextLength(text);
+    
+    int bytesProcessed = 0;
     int codepointsCount = 0;
+    
+    // Allocate a big enough buffer to store as many codepoints as text bytes
+    int *codepoints = RL_CALLOC(textLength, sizeof(int));
 
     for (int i = 0; i < textLength; codepointsCount++)
     {
-        codepoints[codepointsCount] = GetNextCodepoint(text + i, &bytesProcessed);
+        codepoints[codepointsCount] = GetCodepoint(text + i, &bytesProcessed);
         i += bytesProcessed;
     }
 
+    // Re-allocate buffer to the actual number of codepoints loaded
+    void *temp = RL_REALLOC(codepoints, codepointsCount*sizeof(int));
+    if (temp != NULL) codepoints = temp;
+
     *count = codepointsCount;
 
     return codepoints;
 }
 
+// Unload codepoints data from memory
+void UnloadCodepoints(int *codepoints)
+{
+    RL_FREE(codepoints);
+}
+
 // Get total number of characters(codepoints) in a UTF8 encoded text, until '\0' is found
 // NOTE: If an invalid UTF8 sequence is encountered a '?'(0x3f) codepoint is counted instead
 int GetCodepointsCount(const char *text)
@@ -1595,7 +1605,7 @@ int GetCodepointsCount(const char *text)
     while (*ptr != '\0')
     {
         int next = 0;
-        int letter = GetNextCodepoint(ptr, &next);
+        int letter = GetCodepoint(ptr, &next);
 
         if (letter == 0x3f) ptr += 1;
         else ptr += next;
@@ -1613,7 +1623,7 @@ int GetCodepointsCount(const char *text)
 // NOTE: the standard says U+FFFD should be returned in case of errors
 // but that character is not supported by the default font in raylib
 // TODO: Optimize this code for speed!!
-int GetNextCodepoint(const char *text, int *bytesProcessed)
+int GetCodepoint(const char *text, int *bytesProcessed)
 {
 /*
     UTF8 specs from https://www.ietf.org/rfc/rfc3629.txt
diff --git a/src/textures.c b/src/textures.c
index 7017660b..a9c40d50 100644
--- a/src/textures.c
+++ b/src/textures.c
@@ -1114,7 +1114,7 @@ Image ImageTextEx(Font font, const char *text, float fontSize, float spacing, Co
     {
         // Get next codepoint from byte string and glyph index in font
         int codepointByteCount = 0;
-        int codepoint = GetNextCodepoint(&text[i], &codepointByteCount);
+        int codepoint = GetCodepoint(&text[i], &codepointByteCount);
         int index = GetGlyphIndex(font, codepoint);
 
         // NOTE: Normally we exit the decoding sequence as soon as a bad byte is found (and return 0x3f)