Function SysFont_TextWidth

src/SystemFonts.c:812–848

}

int SysFont_TextWidth(struct DrawTextArgs* args) {
	struct SysFont* font = (struct SysFont*)args->font->handle;
	FT_Face face   = font->face;
	cc_string text = args->text;
	int i, width = 0, charWidth;
	FT_Error res;
	cc_unichar uc;

	for (i = 0; i < text.length; i++) {
		char c = text.buffer[i];
		if (c == '&' && Drawer2D_ValidColorCodeAt(&text, i + 1)) {
			i++; continue; /* skip over the color code */
		}

		charWidth = font->widths[(cc_uint8)c];
		/* need to calculate glyph width */
		if (charWidth == UInt16_MaxValue) {
			uc  = Convert_CP437ToUnicode(c);
			res = FT_Load_Char(face, uc, 0);

			if (res) {
				Platform_Log2("Error %e measuring width of %r", &res, &c);
				charWidth = 0;
			} else {
				charWidth = face->glyph->advance.x;		
			}

			font->widths[(cc_uint8)c] = charWidth;
		}
		width += charWidth;
	}
	if (!width) return 0;

	width = TEXT_CEIL(width);
	if (args->useShadow) width += 2;
	return width;
}

static void DrawGrayscaleGlyph(FT_Bitmap* img, struct Bitmap* bmp, int x, int y, BitmapCol col) {
	cc_uint8* src;