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Bug 589648 part 2. Stop hardcoding the segment argument count in SVGPathData::ConstructPath. r=longsonr.

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--HG--
extra : rebase_source : 8e670189c28a66c682c6097b3c42f41fa3126aa5
This commit is contained in:
Jonathan Watt 2011-04-20 10:16:02 +01:00
parent 95f497f6f6
commit 2ab77ec23f
1 changed files with 6 additions and 17 deletions
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23
content/svg/content/src/SVGPathData.cpp
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@ -258,6 +258,7 @@ SVGPathData::ConstructPath(gfxContext *aCtx) const
PRUint32 i = 0;
while (i < mData.Length()) {
segType = SVGPathSegUtils::DecodeType(mData[i++]);
PRUint32 argCount = SVGPathSegUtils::ArgCountForType(segType);
switch (segType)
{
@ -269,25 +270,21 @@ SVGPathData::ConstructPath(gfxContext *aCtx) const
case nsIDOMSVGPathSeg::PATHSEG_MOVETO_ABS:
pathStart = segEnd = gfxPoint(mData[i], mData[i+1]);
aCtx->MoveTo(segEnd);
i += 2;
break;
case nsIDOMSVGPathSeg::PATHSEG_MOVETO_REL:
pathStart = segEnd = segStart + gfxPoint(mData[i], mData[i+1]);
aCtx->MoveTo(segEnd);
i += 2;
break;
case nsIDOMSVGPathSeg::PATHSEG_LINETO_ABS:
segEnd = gfxPoint(mData[i], mData[i+1]);
aCtx->LineTo(segEnd);
i += 2;
break;
case nsIDOMSVGPathSeg::PATHSEG_LINETO_REL:
segEnd = segStart + gfxPoint(mData[i], mData[i+1]);
aCtx->LineTo(segEnd);
i += 2;
break;
case nsIDOMSVGPathSeg::PATHSEG_CURVETO_CUBIC_ABS:
@ -295,7 +292,6 @@ SVGPathData::ConstructPath(gfxContext *aCtx) const
cp2 = gfxPoint(mData[i+2], mData[i+3]);
segEnd = gfxPoint(mData[i+4], mData[i+5]);
aCtx->CurveTo(cp1, cp2, segEnd);
i += 6;
break;
case nsIDOMSVGPathSeg::PATHSEG_CURVETO_CUBIC_REL:
@ -303,7 +299,6 @@ SVGPathData::ConstructPath(gfxContext *aCtx) const
cp2 = segStart + gfxPoint(mData[i+2], mData[i+3]);
segEnd = segStart + gfxPoint(mData[i+4], mData[i+5]);
aCtx->CurveTo(cp1, cp2, segEnd);
i += 6;
break;
case nsIDOMSVGPathSeg::PATHSEG_CURVETO_QUADRATIC_ABS:
@ -313,7 +308,6 @@ SVGPathData::ConstructPath(gfxContext *aCtx) const
segEnd = gfxPoint(mData[i+2], mData[i+3]); // set before setting tcp2!
tcp2 = cp1 + (segEnd - cp1) / 3;
aCtx->CurveTo(tcp1, tcp2, segEnd);
i += 4;
break;
case nsIDOMSVGPathSeg::PATHSEG_CURVETO_QUADRATIC_REL:
@ -323,7 +317,6 @@ SVGPathData::ConstructPath(gfxContext *aCtx) const
segEnd = segStart + gfxPoint(mData[i+2], mData[i+3]); // set before setting tcp2!
tcp2 = cp1 + (segEnd - cp1) / 3;
aCtx->CurveTo(tcp1, tcp2, segEnd);
i += 4;
break;
case nsIDOMSVGPathSeg::PATHSEG_ARC_ABS:
@ -345,27 +338,26 @@ SVGPathData::ConstructPath(gfxContext *aCtx) const
}
}
}
i += 7;
break;
}
case nsIDOMSVGPathSeg::PATHSEG_LINETO_HORIZONTAL_ABS:
segEnd = gfxPoint(mData[i++], segStart.y);
segEnd = gfxPoint(mData[i], segStart.y);
aCtx->LineTo(segEnd);
break;
case nsIDOMSVGPathSeg::PATHSEG_LINETO_HORIZONTAL_REL:
segEnd = segStart + gfxPoint(mData[i++], 0.0f);
segEnd = segStart + gfxPoint(mData[i], 0.0f);
aCtx->LineTo(segEnd);
break;
case nsIDOMSVGPathSeg::PATHSEG_LINETO_VERTICAL_ABS:
segEnd = gfxPoint(segStart.x, mData[i++]);
segEnd = gfxPoint(segStart.x, mData[i]);
aCtx->LineTo(segEnd);
break;
case nsIDOMSVGPathSeg::PATHSEG_LINETO_VERTICAL_REL:
segEnd = segStart + gfxPoint(0.0f, mData[i++]);
segEnd = segStart + gfxPoint(0.0f, mData[i]);
aCtx->LineTo(segEnd);
break;
@ -374,7 +366,6 @@ SVGPathData::ConstructPath(gfxContext *aCtx) const
cp2 = gfxPoint(mData[i], mData[i+1]);
segEnd = gfxPoint(mData[i+2], mData[i+3]);
aCtx->CurveTo(cp1, cp2, segEnd);
i += 4;
break;
case nsIDOMSVGPathSeg::PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
@ -382,7 +373,6 @@ SVGPathData::ConstructPath(gfxContext *aCtx) const
cp2 = segStart + gfxPoint(mData[i], mData[i+1]);
segEnd = segStart + gfxPoint(mData[i+2], mData[i+3]);
aCtx->CurveTo(cp1, cp2, segEnd);
i += 4;
break;
case nsIDOMSVGPathSeg::PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:
@ -392,7 +382,6 @@ SVGPathData::ConstructPath(gfxContext *aCtx) const
segEnd = gfxPoint(mData[i], mData[i+1]); // set before setting tcp2!
tcp2 = cp1 + (segEnd - cp1) / 3;
aCtx->CurveTo(tcp1, tcp2, segEnd);
i += 2;
break;
case nsIDOMSVGPathSeg::PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:
@ -402,13 +391,13 @@ SVGPathData::ConstructPath(gfxContext *aCtx) const
segEnd = segStart + gfxPoint(mData[i], mData[i+1]); // changed before setting tcp2!
tcp2 = cp1 + (segEnd - cp1) / 3;
aCtx->CurveTo(tcp1, tcp2, segEnd);
i += 2;
break;
default:
NS_NOTREACHED("Bad path segment type");
return; // according to spec we'd use everything up to the bad seg anyway
}
i += argCount;
prevSegType = segType;
segStart = segEnd;
}