class SkBlitter; class SkPath; struct SkPathRaw; class SkRasterClip; class SkRegion;
/** Defines a fixed-point rectangle, identical to the integer SkIRect, but its coordinatesaretreatedasSkFixedratherthanint32_t.
*/ typedef SkIRect SkXRect;
// Paths of a certain size cannot be anti-aliased unless externally tiled (handled by SkDraw). // SkBitmapDevice automatically tiles, SkAAClip does not so SkRasterClipStack converts AA clips // to BW clips if that's the case. SkRegion uses this to know when to tile and union smaller // SkRegions together. staticbool PathRequiresTiling(const SkIRect& bounds);
/** Assign an SkXRect from a SkIRect, by promoting the src rect's coordinates frominttoSkFixed.Doesnotcheckforoverflowifthesrccoordinates exceed32K
*/ staticinlinevoid XRect_set(SkXRect* xr, const SkIRect& src) {
xr->fLeft = SkIntToFixed(src.fLeft);
xr->fTop = SkIntToFixed(src.fTop);
xr->fRight = SkIntToFixed(src.fRight);
xr->fBottom = SkIntToFixed(src.fBottom);
}
/** Assign an SkXRect from a SkRect, by promoting the src rect's coordinates fromSkScalartoSkFixed.Doesnotcheckforoverflowifthesrccoordinates exceed32K
*/ staticinlinevoid XRect_set(SkXRect* xr, const SkRect& src) {
xr->fLeft = SkScalarToFixed(src.fLeft);
xr->fTop = SkScalarToFixed(src.fTop);
xr->fRight = SkScalarToFixed(src.fRight);
xr->fBottom = SkScalarToFixed(src.fBottom);
}
/** Round the SkXRect coordinates, and store the result in the SkIRect.
*/ staticinlinevoid XRect_round(const SkXRect& xr, SkIRect* dst) {
dst->fLeft = SkFixedRoundToInt(xr.fLeft);
dst->fTop = SkFixedRoundToInt(xr.fTop);
dst->fRight = SkFixedRoundToInt(xr.fRight);
dst->fBottom = SkFixedRoundToInt(xr.fBottom);
}
/** Round the SkXRect coordinates out (i.e. use floor for left/top, and ceiling forright/bottom),andstoretheresultintheSkIRect.
*/ staticinlinevoid XRect_roundOut(const SkXRect& xr, SkIRect* dst) {
dst->fLeft = SkFixedFloorToInt(xr.fLeft);
dst->fTop = SkFixedFloorToInt(xr.fTop);
dst->fRight = SkFixedCeilToInt(xr.fRight);
dst->fBottom = SkFixedCeilToInt(xr.fBottom);
}
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