libui/darwin/drawtext.m

// 2 january 2017
#import "uipriv_darwin.h"

struct uiDrawTextLayout {
	CFAttributedStringRef attrstr;
	double width;
};

CFAttributedStringRef attrstrToCoreFoundation(uiAttributedString *s, uiDrawFontDescriptor *defaultFont)
{
	CFStringRef cfstr;
	CFAttributedStringRef base;
	CFMutableAttributedStringRef mas;
	CFMutableDictionaryRef defaultAttrs;

	cfstr = CFStringCreateWithCharacters(NULL, attrstrUTF16(s), attrstrUTF16Len(s));
	if (cfstr == NULL) {
		// TODO
	}
	defaultAttrs = CFDictionaryCreateMutable(NULL, 4,
		&kCFCopyStringDictionaryKeyCallBacks,
		&kCFTypeDictionaryValueCallBacks);
	if (defaultAttrs == NULL) {
		// TODO
	}

	base = CFAttributedStringCreate(NULL, cfstr, defaultAttrs);
	if (base == NULL) {
		// TODO
	}
	CFRelease(cfstr);
	CFRelease(defaultAttrs);
	mas = CFAttributedStringCreateMutableCopy(NULL, 0, base);
	CFRelease(base);

	CFAttributedStringBeginEditing(mas);
	// TODO copy in the attributes
	CFAttributedStringEndEditing(mas);

	return mas;
}

uiDrawTextLayout *uiDrawNewTextLayout(uiAttributedString *s, uiDrawFontDescriptor *defaultFont, double width)
{
}

void uiDrawFreeTextLayout(uiDrawTextLayout *tl)
{
}

void uiDrawText(uiDrawContext *c, uiDrawTextLayout *tl, double x, double y)
{
}

void uiDrawTextLayoutExtents(uiDrawTextLayout *tl, double *width, double *height)
{
}

int uiDrawTextLayoutNumLines(uiDrawTextLayout *tl)
{
}

void uiDrawTextLayoutLineByteRange(uiDrawTextLayout *tl, int line, size_t *start, size_t *end)
{
}

void uiDrawTextLayoutLineGetMetrics(uiDrawTextLayout *tl, int line, uiDrawTextLayoutLineMetrics *m)
{
}

void uiDrawTextLayoutByteIndexToGraphemeRect(uiDrawTextLayout *tl, size_t pos, int *line, double *x, double *y, double *width, double *height)
{
}

uiDrawTextLayoutHitTestResult uiDrawTextLayoutHitTest(uiDrawTextLayout *tl, double x, double y, size_t *byteIndex, int *line)
{
}

void uiDrawTextLayoutByteRangeToRectangle(uiDrawTextLayout *tl, size_t start, size_t end, uiDrawTextLayoutByteRangeRectangle *r)
{
}