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Added the new function

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This commit is contained in:
Stephen Molloy 2023-12-28 00:16:25 +01:00
parent 99f22a47ff
commit 913458f721
2 changed files with 28 additions and 0 deletions
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1
src/raylib.h
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@ -1427,6 +1427,7 @@ RLAPI int GetPixelDataSize(int width, int height, int format); // G
RLAPI Font GetFontDefault(void); // Get the default Font
RLAPI Font LoadFont(const char *fileName); // Load font from file into GPU memory (VRAM)
RLAPI Font LoadFontEx(const char *fileName, int fontSize, int *codepoints, int codepointCount); // Load font from file with extended parameters, use NULL for codepoints and 0 for codepointCount to load the default character set
RLAPI void AddNewCharsToFontEx(Font *font, const char *fileName, int fontSize, char *newChars); // Reload the font after adding the new characters to the list of desired characters
RLAPI Font LoadFontFromImage(Image image, Color key, int firstChar); // Load font from Image (XNA style)
RLAPI Font LoadFontFromMemory(const char *fileType, const unsigned char *fileData, int dataSize, int fontSize, int *codepoints, int codepointCount); // Load font from memory buffer, fileType refers to extension: i.e. '.ttf'
RLAPI bool IsFontReady(Font font); // Check if a font is ready

27
src/rtext.c
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@ -378,6 +378,33 @@ Font LoadFontEx(const char *fileName, int fontSize, int *codepoints, int codepoi
return font;
}
// Reload the font after adding the new characters to the list of desired characters
// Passing NULL to the newChars variable results in a reset to the default of LoadFontEx
void AddNewCharsToFontEx(Font *font, const char *fileName, int fontSize, char *newChars)
{
if (newChars == NULL) {
*font = LoadFontEx(fileName, fontSize, NULL, 0);
return;
}
int codepointCount = 0;
int *codepoints = LoadCodepoints(newChars, &codepointCount);
int newCount = font->glyphCount + codepointCount;
int *newCodepoints = MemAlloc(newCount * sizeof(int));
for (int i=0; i<font->glyphCount; i++) {
newCodepoints[i] = font->glyphs[i].value;
}
for (int i=font->glyphCount; i<newCount; i++) {
newCodepoints[i] = codepoints[i-font->glyphCount];
}
*font = LoadFontEx(fileName, fontSize, newCodepoints, newCount);
MemFree(newCodepoints);
}
// Load an Image font file (XNA style)
Font LoadFontFromImage(Image image, Color key, int firstChar)
{