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Add DrawTextCodepoints

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This commit is contained in:
Siddharth Roy 2022-01-26 12:19:25 +05:30
parent ebdc34a20e
commit b258d39232
2 changed files with 34 additions and 1 deletions
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1
src/raylib.h
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@ -1336,6 +1336,7 @@ RLAPI void DrawText(const char *text, int posX, int posY, int fontSize, Color co
RLAPI void DrawTextEx(Font font, const char *text, Vector2 position, float fontSize, float spacing, Color tint); // Draw text using font and additional parameters
RLAPI void DrawTextPro(Font font, const char *text, Vector2 position, Vector2 origin, float rotation, float fontSize, float spacing, Color tint); // Draw text using Font and pro parameters (rotation)
RLAPI void DrawTextCodepoint(Font font, int codepoint, Vector2 position, float fontSize, Color tint); // Draw one character (codepoint)
RLAPI void DrawTextCodepoints(Font font, int *codepoints, int count, Vector2 position, float fontSize, float spacing, Color tint); // Draw multiple character (codepoint)
// Text font info functions
RLAPI int MeasureText(const char *text, int fontSize); // Measure string width for default font

34
src/rtext.c
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@ -1,4 +1,4 @@
/**********************************************************************************************
*
* rtext - Basic functions to load fonts and draw text
*
@ -1091,6 +1091,38 @@ void DrawTextCodepoint(Font font, int codepoint, Vector2 position, float fontSiz
DrawTexturePro(font.texture, srcRec, dstRec, (Vector2){ 0, 0 }, 0.0f, tint);
}
// Draw multiple character (codepoints)
void DrawTextCodepoints(Font font, int *codepoints, int count, Vector2 position, float fontSize, float spacing, Color tint)
{
int textOffsetY = 0; // Offset between lines (on line break '\n')
float textOffsetX = 0.0f; // Offset X to next character to draw
float scaleFactor = fontSize/font.baseSize; // Character quad scaling factor
for (int i = 0; i < count; i++)
{
int index = GetGlyphIndex(font, codepoints[i]);
if (codepoints[i] == '\n')
{
// NOTE: Fixed line spacing of 1.5 line-height
// TODO: Support custom line spacing defined by user
textOffsetY += (int)((font.baseSize + font.baseSize/2)*scaleFactor);
textOffsetX = 0.0f;
}
else
{
if ((codepoints[i] != ' ') && (codepoints[i] != '\t'))
{
DrawTextCodepoint(font, codepoints[i], (Vector2){ position.x + textOffsetX, position.y + textOffsetY }, fontSize, tint);
}
if (font.glyphs[index].advanceX == 0) textOffsetX += ((float)font.recs[index].width*scaleFactor + spacing);
else textOffsetX += ((float)font.glyphs[index].advanceX*scaleFactor + spacing);
}
}
}
// Measure string width for default font
int MeasureText(const char *text, int fontSize)
{