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Don't convert to Sk48Dot16 in DrawOneGlyph.

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GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1831983002

Review URL: https://codereview.chromium.org/1831983002
This commit is contained in:
benjaminwagner 2016-03-25 11:24:30 -07:00 committed by Commit bot
parent d442d32335
commit 77a9cc1dea
1 changed files with 6 additions and 8 deletions
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14
src/core/SkDraw.cpp
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@ -1455,18 +1455,16 @@ public:
void operator()(const SkGlyph& glyph, SkPoint position, SkPoint rounding) {
position += rounding;
Sk48Dot16 fx = SkScalarTo48Dot16(position.fX);
Sk48Dot16 fy = SkScalarTo48Dot16(position.fY);
// Prevent glyphs from being drawn outside of or straddling the edge of device space.
if ((fx >> 16) > INT_MAX - (INT16_MAX + UINT16_MAX) ||
(fx >> 16) < INT_MIN - (INT16_MIN + 0 /*UINT16_MIN*/) ||
(fy >> 16) > INT_MAX - (INT16_MAX + UINT16_MAX) ||
(fy >> 16) < INT_MIN - (INT16_MIN + 0 /*UINT16_MIN*/)) {
if (position.fX > INT_MAX - (INT16_MAX + UINT16_MAX) ||
position.fX < INT_MIN - (INT16_MIN + 0 /*UINT16_MIN*/) ||
position.fY > INT_MAX - (INT16_MAX + UINT16_MAX) ||
position.fY < INT_MIN - (INT16_MIN + 0 /*UINT16_MIN*/)) {
return;
}
int left = Sk48Dot16FloorToInt(fx);
int top = Sk48Dot16FloorToInt(fy);
int left = SkScalarFloorToInt(position.fX);
int top = SkScalarFloorToInt(position.fY);
SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0);
left += glyph.fLeft;