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Added negative arcs to the OS X backend. Now we have a crash in one of the tests; still debugging.

This commit is contained in:
Pietro Gagliardi 2015-10-11 23:48:40 -04:00
parent 0989454106
commit f4b0e7e35e
2 changed files with 20 additions and 16 deletions
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17
darwin/draw.m
View File

@ -30,7 +30,7 @@ void uiDrawPathNewFigure(uiDrawPath *p, double x, double y)
CGPathMoveToPoint(p->path, NULL, x, y);
}
void uiDrawPathNewFigureWithArc(uiDrawPath *p, double xCenter, double yCenter, double radius, double startAngle, double sweep)
void uiDrawPathNewFigureWithArc(uiDrawPath *p, double xCenter, double yCenter, double radius, double startAngle, double sweep, int negative)
{
double sinStart, cosStart;
double startx, starty;
@ -42,7 +42,7 @@ void uiDrawPathNewFigureWithArc(uiDrawPath *p, double xCenter, double yCenter, d
startx = xCenter + radius * cosStart;
starty = yCenter + radius * sinStart;
CGPathMoveToPoint(p->path, NULL, startx, starty);
uiDrawPathArcTo(p, xCenter, yCenter, radius, startAngle, sweep);
uiDrawPathArcTo(p, xCenter, yCenter, radius, startAngle, sweep, negative);
}
void uiDrawPathLineTo(uiDrawPath *p, double x, double y)
@ -52,16 +52,22 @@ void uiDrawPathLineTo(uiDrawPath *p, double x, double y)
CGPathAddLineToPoint(p->path, NULL, x, y);
}
void uiDrawPathArcTo(uiDrawPath *p, double xCenter, double yCenter, double radius, double startAngle, double sweep)
void uiDrawPathArcTo(uiDrawPath *p, double xCenter, double yCenter, double radius, double startAngle, double sweep, int negative)
{
bool cw;
if (p->ended)
complain("attempt to add arc to ended path in uiDrawPathArcTo()");
if (sweep > 2 * M_PI)
sweep = 2 * M_PI;
CGPathAddRelativeArc(p->path, NULL,
cw = false;
if (negative)
cw = true;
CGPathAddArc(p->path, NULL,
xCenter, yCenter,
radius,
startAngle, sweep);
startAngle, startAngle + sweep,
cw);
}
void uiDrawPathBezierTo(uiDrawPath *p, double c1x, double c1y, double c2x, double c2y, double endX, double endY)
@ -137,7 +143,6 @@ void uiDrawStroke(uiDrawContext *c, uiDrawPath *path, uiDrawBrush *b, uiDrawStro
switch (p->Join) {
case uiDrawLineJoinMiter:
join = kCGLineJoinMiter;
CGContextSetMiterLimit(c->c, p->MiterLimit);
break;
case uiDrawLineJoinRound:
join = kCGLineJoinRound;

19
test/drawtests.c
View File

@ -1160,21 +1160,21 @@ static void drawCSFillStyle(uiAreaDrawParams *p)
sp.Thickness = 6;
path = uiDrawNewPath(uiDrawFillModeAlternate);
uiDrawPathAddRectangle(path, 12, 12, 232, 70);
// uiDrawPathAddRectangle(path, 12, 12, 232, 70);
uiDrawPathNewFigureWithArc(path,
64, 64,
40,
0, 2*M_PI,
0);
uiDrawPathNewFigureWithArc(path,
/* uiDrawPathNewFigureWithArc(path,
192, 64,
40,
0, -2*M_PI,
1);
uiDrawPathEnd(path);
*/ uiDrawPathEnd(path);
crsourcergba(&source, 0, 0.7, 0, 1);
uiDrawFill(p->Context, path, &source);
// uiDrawFill(p->Context, path, &source);
crsourcergba(&source, 0, 0, 0, 1);
uiDrawStroke(p->Context, path, &source, &sp);
uiDrawFreePath(path);
@ -1184,9 +1184,8 @@ static void drawCSFillStyle(uiAreaDrawParams *p)
uiDrawTransform(p->Context, &m);
path = uiDrawNewPath(uiDrawFillModeWinding);
uiDrawPathAddRectangle(path, 12, 12, 232, 70);
// TODO THIS DOESN'T WORK.
uiDrawPathNewFigureWithArc(path,
// uiDrawPathAddRectangle(path, 12, 12, 232, 70);
/* uiDrawPathNewFigureWithArc(path,
64, 64,
40,
0, 2*M_PI,
@ -1196,12 +1195,12 @@ static void drawCSFillStyle(uiAreaDrawParams *p)
40,
0, -2*M_PI,
1);
uiDrawPathEnd(path);
*/ uiDrawPathEnd(path);
crsourcergba(&source, 0, 0, 0.9, 1);
uiDrawFill(p->Context, path, &source);
// uiDrawFill(p->Context, path, &source);
crsourcergba(&source, 0, 0, 0, 1);
uiDrawStroke(p->Context, path, &source, &sp);
// uiDrawStroke(p->Context, path, &source, &sp);
uiDrawFreePath(path);
}