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[rtext] Centralize Text #4623

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[rtext] Centralize Text #4623

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2 changes: 2 additions & 0 deletions src/raylib.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1485,7 +1485,9 @@ RLAPI void DrawTextCodepoints(Font font, const int *codepoints, int codepointCou
// Text font info functions
RLAPI void SetTextLineSpacing(int spacing); // Set vertical line spacing when drawing with line-breaks
RLAPI int MeasureText(const char *text, int fontSize); // Measure string width for default font
RLAPI Vector2 CentralizeText(const char *text, int fontSize, Vector2 anchorPosition, Vector2 areaSize); // Gives you the position (Vector2) for your text so it will be Centered in specific area for default font
RLAPI Vector2 MeasureTextEx(Font font, const char *text, float fontSize, float spacing); // Measure string size for Font
RLAPI Vector2 CentralizeTextEx(Font font, const char *text, float fontSize, float spacing, Vector2 anchorPosition, Vector2 areaSize); // Gives you the position (Vector2) for your text so it will be Centered in specific area for Font
RLAPI int GetGlyphIndex(Font font, int codepoint); // Get glyph index position in font for a codepoint (unicode character), fallback to '?' if not found
RLAPI GlyphInfo GetGlyphInfo(Font font, int codepoint); // Get glyph font info data for a codepoint (unicode character), fallback to '?' if not found
RLAPI Rectangle GetGlyphAtlasRec(Font font, int codepoint); // Get glyph rectangle in font atlas for a codepoint (unicode character), fallback to '?' if not found
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30 changes: 30 additions & 0 deletions src/rtext.c
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Expand Up @@ -1277,6 +1277,24 @@ int MeasureText(const char *text, int fontSize)
return (int)textSize.x;
}

// Gives you the position (Vector2) for your text so it will be Centered in specific area for default font
Vector2 CentralizeText(const char *text, int fontSize, Vector2 anchorPosition, Vector2 areaSize)
{
Vector2 textPosition = { 0.0f, 0.0f };

// Check if default font has been loaded
if (GetFontDefault().texture.id != 0)
{
int defaultFontSize = 10; // Default Font chars height in pixel
if (fontSize < defaultFontSize) fontSize = defaultFontSize;
int spacing = fontSize/defaultFontSize;

textPosition = CentralizeTextEx(GetFontDefault(), text, (float)fontSize, (float)spacing, anchorPosition, areaSize);
}

return textPosition;
}

// Measure string size for Font
Vector2 MeasureTextEx(Font font, const char *text, float fontSize, float spacing)
{
Expand Down Expand Up @@ -1334,6 +1352,18 @@ Vector2 MeasureTextEx(Font font, const char *text, float fontSize, float spacing
return textSize;
}

// Gives you the position (Vector2) for your text so it will be Centered in specific area for Font
Vector2 CentralizeTextEx(Font font, const char *text, float fontSize, float spacing, Vector2 anchorPosition, Vector2 areaSize)
{
Vector2 textPosition = { 0 };
Vector2 textSize = MeasureTextEx(font, text, fontSize, spacing);

textPosition.x = anchorPosition.x + ((areaSize.x - textSize.x) / 2.0f);
textPosition.y = anchorPosition.y + ((areaSize.y - textSize.y) / 2.0f);

return textPosition;
}

// Get index position for a unicode character on font
// NOTE: If codepoint is not found in the font it fallbacks to '?'
int GetGlyphIndex(Font font, int codepoint)
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