61 lines
1.4 KiB
Plaintext
61 lines
1.4 KiB
Plaintext
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darwin
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int uiDrawTextLayoutNumLines(uiDrawTextLayout *tl)
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{
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return CFArrayGetCount([tl->forLines lines]);
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}
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void uiDrawTextLayoutLineByteRange(uiDrawTextLayout *tl, int line, size_t *start, size_t *end)
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{
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CTLineRef lr;
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CFRange range;
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lr = (CTLineRef) CFArrayGetValueAtIndex([tl->forLines lines], line);
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range = CTLineGetStringRange(lr);
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*start = tl->u16tou8[range.location];
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if (tl->empty)
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*end = *start;
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else
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*end = tl->u16tou8[range.location + range.length];
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}
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unix
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int uiDrawTextLayoutNumLines(uiDrawTextLayout *tl)
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{
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return pango_layout_get_line_count(tl->layout);
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}
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void uiDrawTextLayoutLineByteRange(uiDrawTextLayout *tl, int line, size_t *start, size_t *end)
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{
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PangoLayoutLine *pll;
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pll = pango_layout_get_line_readonly(tl->layout, line);
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*start = pll->start_index;
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*end = pll->start_index + pll->length;
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// TODO unref pll?
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}
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windows
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int uiDrawTextLayoutNumLines(uiDrawTextLayout *tl)
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{
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return 0;
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#if 0
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TODO
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return tl->nLines;
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#endif
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}
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// DirectWrite doesn't provide a direct way to do this, so we have to do this manually
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// TODO does that comment still apply here or to the code at the top of this file?
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void uiDrawTextLayoutLineByteRange(uiDrawTextLayout *tl, int line, size_t *start, size_t *end)
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{
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#if 0
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TODO
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*start = tl->lineInfo[line].startPos;
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*start = tl->u16tou8[*start];
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*end = tl->lineInfo[line].endPos - tl->lineInfo[line].newlineCount;
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*end = tl->u16tou8[*end];
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#endif
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}
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