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Merge 247c21e91d into fea45b2d5b

This commit is contained in:
Joe Watkins 2021-01-02 10:22:12 -05:00 committed by GitHub
parent fea45b2d5b 247c21e91d
commit b1c708d5ec
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 0 deletions
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21
windows/drawpath.cpp
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@ -50,6 +50,9 @@ void uiDrawPathNewFigure(uiDrawPath *p, double x, double y)
{ {
D2D1_POINT_2F pt; D2D1_POINT_2F pt;
if (p->sink == NULL)
userbug("You cannot modify a uiDrawPath that has been ended. (path: %p)", p);
if (p->inFigure) if (p->inFigure)
p->sink->EndFigure(D2D1_FIGURE_END_OPEN); p->sink->EndFigure(D2D1_FIGURE_END_OPEN);
pt.x = x; pt.x = x;
@ -162,6 +165,9 @@ void uiDrawPathNewFigureWithArc(uiDrawPath *p, double xCenter, double yCenter, d
{ {
struct arc a; struct arc a;
if (p->sink == NULL)
userbug("You cannot modify a uiDrawPath that has been ended. (path: %p)", p);
a.xCenter = xCenter; a.xCenter = xCenter;
a.yCenter = yCenter; a.yCenter = yCenter;
a.radius = radius; a.radius = radius;
@ -175,6 +181,9 @@ void uiDrawPathLineTo(uiDrawPath *p, double x, double y)
{ {
D2D1_POINT_2F pt; D2D1_POINT_2F pt;
if (p->sink == NULL)
userbug("You cannot modify a uiDrawPath that has been ended. (path: %p)", p);
pt.x = x; pt.x = x;
pt.y = y; pt.y = y;
p->sink->AddLine(pt); p->sink->AddLine(pt);
@ -184,6 +193,9 @@ void uiDrawPathArcTo(uiDrawPath *p, double xCenter, double yCenter, double radiu
{ {
struct arc a; struct arc a;
if (p->sink == NULL)
userbug("You cannot modify a uiDrawPath that has been ended. (path: %p)", p);
a.xCenter = xCenter; a.xCenter = xCenter;
a.yCenter = yCenter; a.yCenter = yCenter;
a.radius = radius; a.radius = radius;
@ -197,6 +209,9 @@ void uiDrawPathBezierTo(uiDrawPath *p, double c1x, double c1y, double c2x, doubl
{ {
D2D1_BEZIER_SEGMENT s; D2D1_BEZIER_SEGMENT s;
if (p->sink == NULL)
userbug("You cannot modify a uiDrawPath that has been ended. (path: %p)", p);
s.point1.x = c1x; s.point1.x = c1x;
s.point1.y = c1y; s.point1.y = c1y;
s.point2.x = c2x; s.point2.x = c2x;
@ -208,12 +223,18 @@ void uiDrawPathBezierTo(uiDrawPath *p, double c1x, double c1y, double c2x, doubl
void uiDrawPathCloseFigure(uiDrawPath *p) void uiDrawPathCloseFigure(uiDrawPath *p)
{ {
if (p->sink == NULL)
userbug("You cannot modify a uiDrawPath that has been ended. (path: %p)", p);
p->sink->EndFigure(D2D1_FIGURE_END_CLOSED); p->sink->EndFigure(D2D1_FIGURE_END_CLOSED);
p->inFigure = FALSE; p->inFigure = FALSE;
} }
void uiDrawPathAddRectangle(uiDrawPath *p, double x, double y, double width, double height) void uiDrawPathAddRectangle(uiDrawPath *p, double x, double y, double width, double height)
{ {
if (p->sink == NULL)
userbug("You cannot modify a uiDrawPath that has been ended. (path: %p)", p);
// this is the same algorithm used by cairo and Core Graphics, according to their documentations // this is the same algorithm used by cairo and Core Graphics, according to their documentations
uiDrawPathNewFigure(p, x, y); uiDrawPathNewFigure(p, x, y);
uiDrawPathLineTo(p, x + width, y); uiDrawPathLineTo(p, x + width, y);