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-rw-r--r--src/gdiplus/cdwinp.cpp78
1 files changed, 32 insertions, 46 deletions
diff --git a/src/gdiplus/cdwinp.cpp b/src/gdiplus/cdwinp.cpp
index a2eec55..52c19a1 100644
--- a/src/gdiplus/cdwinp.cpp
+++ b/src/gdiplus/cdwinp.cpp
@@ -626,15 +626,21 @@ static void cdfbox(cdCtxCanvas* ctxcanvas, double xmin, double xmax, double ymin
}
}
-static void cdwpFixAngles(cdCtxCanvas* ctxcanvas, double *angle1, double *angle2)
+static void sFixAngles(cdCanvas* canvas, double *a1, double *a2)
{
- if (ctxcanvas->canvas->invert_yaxis)
+ // GDI+ angles are clock-wise by default, in degrees
+
+ /* if NOT inverted means a transformation is set,
+ so the angle will follow the transformation that includes the axis invertion,
+ then it is already counter-clockwise */
+
+ if (canvas->invert_yaxis)
{
- // GDI+ angles are clock-wise by default, in degrees
- *angle1 *= -1;
- *angle2 *= -1;
+ /* change orientation */
+ *a1 *= -1;
+ *a2 *= -1;
- // no need to swap, because we will use (angle2-angle1)
+ /* no need to swap, because we will use (angle2-angle1) */
}
}
@@ -645,7 +651,7 @@ static void cdarc(cdCtxCanvas* ctxcanvas, int xc, int yc, int w, int h, double a
ctxcanvas->graphics->DrawEllipse(ctxcanvas->linePen, rect);
else
{
- cdwpFixAngles(ctxcanvas, &angle1, &angle2);
+ sFixAngles(ctxcanvas->canvas, &angle1, &angle2);
ctxcanvas->graphics->DrawArc(ctxcanvas->linePen, rect, (REAL)angle1, (REAL)(angle2-angle1));
}
ctxcanvas->dirty = 1;
@@ -658,7 +664,7 @@ static void cdfarc(cdCtxCanvas* ctxcanvas, double xc, double yc, double w, doubl
ctxcanvas->graphics->DrawEllipse(ctxcanvas->linePen, rect);
else
{
- cdwpFixAngles(ctxcanvas, &angle1, &angle2);
+ sFixAngles(ctxcanvas->canvas, &angle1, &angle2);
ctxcanvas->graphics->DrawArc(ctxcanvas->linePen, rect, (REAL)angle1, (REAL)(angle2-angle1));
}
ctxcanvas->dirty = 1;
@@ -674,7 +680,7 @@ static void cdsector(cdCtxCanvas* ctxcanvas, int xc, int yc, int w, int h, doubl
path.AddEllipse(rect);
else
{
- cdwpFixAngles(ctxcanvas, &angle1, &angle2);
+ sFixAngles(ctxcanvas->canvas, &angle1, &angle2);
path.AddPie(rect, (REAL)angle1, (REAL)(angle2-angle1));
}
Region region(&path);
@@ -692,7 +698,7 @@ static void cdsector(cdCtxCanvas* ctxcanvas, int xc, int yc, int w, int h, doubl
}
else
{
- cdwpFixAngles(ctxcanvas, &angle1, &angle2);
+ sFixAngles(ctxcanvas->canvas, &angle1, &angle2);
ctxcanvas->graphics->FillPie(ctxcanvas->fillBrush, rect, (REAL)angle1, (REAL)(angle2-angle1));
ctxcanvas->graphics->DrawArc(&pen, rect, (REAL)angle1, (REAL)(angle2-angle1));
}
@@ -710,7 +716,7 @@ static void cdfsector(cdCtxCanvas* ctxcanvas, double xc, double yc, double w, do
path.AddEllipse(rect);
else
{
- cdwpFixAngles(ctxcanvas, &angle1, &angle2);
+ sFixAngles(ctxcanvas->canvas, &angle1, &angle2);
path.AddPie(rect, (REAL)angle1, (REAL)(angle2-angle1));
}
Region region(&path);
@@ -728,7 +734,7 @@ static void cdfsector(cdCtxCanvas* ctxcanvas, double xc, double yc, double w, do
}
else
{
- cdwpFixAngles(ctxcanvas, &angle1, &angle2);
+ sFixAngles(ctxcanvas->canvas, &angle1, &angle2);
ctxcanvas->graphics->FillPie(ctxcanvas->fillBrush, rect, (REAL)angle1, (REAL)(angle2-angle1));
ctxcanvas->graphics->DrawArc(&pen, rect, (REAL)angle1, (REAL)(angle2-angle1));
}
@@ -746,7 +752,7 @@ static void cdchord(cdCtxCanvas* ctxcanvas, int xc, int yc, int w, int h, double
path.AddEllipse(rect);
else
{
- cdwpFixAngles(ctxcanvas, &angle1, &angle2);
+ sFixAngles(ctxcanvas->canvas, &angle1, &angle2);
path.AddArc(rect, (REAL)angle1, (REAL)(angle2-angle1));
path.CloseFigure();
}
@@ -760,7 +766,7 @@ static void cdchord(cdCtxCanvas* ctxcanvas, int xc, int yc, int w, int h, double
else
{
GraphicsPath path;
- cdwpFixAngles(ctxcanvas, &angle1, &angle2);
+ sFixAngles(ctxcanvas->canvas, &angle1, &angle2);
path.AddArc(rect, (REAL)angle1, (REAL)(angle2-angle1));
ctxcanvas->graphics->FillPath(ctxcanvas->fillBrush, &path);
}
@@ -780,7 +786,7 @@ static void cdfchord(cdCtxCanvas* ctxcanvas, double xc, double yc, double w, dou
path.AddEllipse(rect);
else
{
- cdwpFixAngles(ctxcanvas, &angle1, &angle2);
+ sFixAngles(ctxcanvas->canvas, &angle1, &angle2);
path.AddArc(rect, (REAL)angle1, (REAL)(angle2-angle1));
path.CloseFigure();
}
@@ -794,7 +800,7 @@ static void cdfchord(cdCtxCanvas* ctxcanvas, double xc, double yc, double w, dou
else
{
GraphicsPath path;
- cdwpFixAngles(ctxcanvas, &angle1, &angle2);
+ sFixAngles(ctxcanvas->canvas, &angle1, &angle2);
path.AddArc(rect, (REAL)angle1, (REAL)(angle2-angle1));
ctxcanvas->graphics->FillPath(ctxcanvas->fillBrush, &path);
}
@@ -850,27 +856,17 @@ static void cdpoly(cdCtxCanvas* ctxcanvas, int mode, cdPoint* poly, int n)
if (i+3 > n) break;
- xc = poly[i].x,
- yc = poly[i].y,
- w = poly[i+1].x,
- h = poly[i+1].y,
- a1 = poly[i+2].x/1000.0,
- a2 = poly[i+2].y/1000.0;
+ if (!cdCanvasGetArcPath(ctxcanvas->canvas, poly+i, &xc, &yc, &w, &h, &a1, &a2))
+ return;
if (current_set)
{
int StartX, StartY;
if (ctxcanvas->canvas->invert_yaxis)
- {
- StartX = xc + cdRound(w * cos(CD_DEG2RAD * a1) / 2.0);
- StartY = yc - cdRound(h * sin(CD_DEG2RAD * a1) / 2.0);
- }
+ cdCanvasGetArcStartEnd(xc, yc, w, h, -a1, -a2, &StartX, &StartY, NULL, NULL);
else
- {
- StartX = xc + cdRound(w * cos(CD_DEG2RAD * a2) / 2.0);
- StartY = yc + cdRound(h * sin(CD_DEG2RAD * a2) / 2.0);
- }
+ cdCanvasGetArcStartEnd(xc, yc, w, h, a1, a2, &StartX, &StartY, NULL, NULL);
graphics_path->AddLine(current_x, current_y, StartX, StartY);
}
@@ -880,7 +876,7 @@ static void cdpoly(cdCtxCanvas* ctxcanvas, int mode, cdPoint* poly, int n)
graphics_path->AddEllipse(rect);
else
{
- cdwpFixAngles(ctxcanvas, &a1, &a2);
+ sFixAngles(ctxcanvas->canvas, &a1, &a2);
graphics_path->AddArc(rect, (REAL)a1, (REAL)(a2-a1));
}
@@ -1084,27 +1080,17 @@ static void cdfpoly(cdCtxCanvas* ctxcanvas, int mode, cdfPoint* poly, int n)
if (i+3 > n) break;
- xc = poly[i].x,
- yc = poly[i].y,
- w = poly[i+1].x,
- h = poly[i+1].y,
- a1 = poly[i+2].x,
- a2 = poly[i+2].y;
+ if (!cdfCanvasGetArcPath(ctxcanvas->canvas, poly+i, &xc, &yc, &w, &h, &a1, &a2))
+ return;
if (current_set)
{
double StartX, StartY;
if (ctxcanvas->canvas->invert_yaxis)
- {
- StartX = xc + w * cos(CD_DEG2RAD * a1) / 2.0;
- StartY = yc - h * sin(CD_DEG2RAD * a1) / 2.0;
- }
+ cdfCanvasGetArcStartEnd(xc, yc, w, h, -a1, -a2, &StartX, &StartY, NULL, NULL);
else
- {
- StartX = xc + w * cos(CD_DEG2RAD * a2) / 2.0;
- StartY = yc + h * sin(CD_DEG2RAD * a2) / 2.0;
- }
+ cdfCanvasGetArcStartEnd(xc, yc, w, h, a1, a2, &StartX, &StartY, NULL, NULL);
graphics_path->AddLine((REAL)current_x, (REAL)current_y, (REAL)StartX, (REAL)StartY);
}
@@ -1114,7 +1100,7 @@ static void cdfpoly(cdCtxCanvas* ctxcanvas, int mode, cdfPoint* poly, int n)
graphics_path->AddEllipse(rect);
else
{
- cdwpFixAngles(ctxcanvas, &a1, &a2);
+ sFixAngles(ctxcanvas->canvas, &a1, &a2);
graphics_path->AddArc(rect, (REAL)a1, (REAL)(a2-a1));
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 23:01:45 +0000