gdiplus: Added GdipSetPenDashArray/GdipGetPenDashArray.

dlls/gdiplus/gdiplus.spec

@@ -338,7 +338,7 @@
 @ stub GdipGetPenCompoundCount
 @ stub GdipGetPenCustomEndCap
 @ stub GdipGetPenCustomStartCap
-@ stub GdipGetPenDashArray
+@ stdcall GdipGetPenDashArray(ptr ptr long)
 @ stub GdipGetPenDashCap197819
 @ stub GdipGetPenDashCount
 @ stub GdipGetPenDashOffset
@@ -546,7 +546,7 @@
 @ stub GdipSetPenCompoundArray
 @ stdcall GdipSetPenCustomEndCap(ptr ptr)
 @ stdcall GdipSetPenCustomStartCap(ptr ptr)
-@ stub GdipSetPenDashArray
+@ stdcall GdipSetPenDashArray(ptr ptr long)
 @ stub GdipSetPenDashCap197819
 @ stub GdipSetPenDashOffset
 @ stdcall GdipSetPenDashStyle(ptr long)

dlls/gdiplus/gdiplus_private.h

@@ -54,6 +54,8 @@ struct GpPen{
     GpLineJoin join;
     REAL miterlimit;
     GpDashStyle dash;
+    REAL *dashes;
+    INT numdashes;
     GpBrush *brush;
 };
 

dlls/gdiplus/pen.c

@@ -123,6 +123,7 @@ GpStatus WINGDIPAPI GdipDeletePen(GpPen *pen)
     GdipDeleteBrush(pen->brush);
     GdipDeleteCustomLineCap(pen->customstart);
     GdipDeleteCustomLineCap(pen->customend);
+    GdipFree(pen->dashes);
     GdipFree(pen);
 
     return Ok;
@@ -147,6 +148,20 @@ GpStatus WINGDIPAPI GdipGetPenColor(GpPen *pen, ARGB *argb)
     return GdipGetSolidFillColor(((GpSolidFill*)pen->brush), argb);
 }
 
+GpStatus WINGDIPAPI GdipGetPenDashArray(GpPen *pen, REAL *dash, INT count)
+{
+    if(!pen || !dash || count > pen->numdashes)
+        return InvalidParameter;
+
+    /* note: if you pass a negative value for count, it crashes native gdiplus. */
+    if(count < 0)
+        return GenericError;
+
+    memcpy(dash, pen->dashes, count * sizeof(REAL));
+
+    return Ok;
+}
+
 GpStatus WINGDIPAPI GdipGetPenDashStyle(GpPen *pen, GpDashStyle *dash)
 {
     if(!pen || !dash)
@@ -209,11 +224,40 @@ GpStatus WINGDIPAPI GdipSetPenCustomStartCap(GpPen *pen, GpCustomLineCap* custom
     return ret;
 }
 
+GpStatus WINGDIPAPI GdipSetPenDashArray(GpPen *pen, GDIPCONST REAL *dash,
+    INT count)
+{
+    if(!pen || !dash)
+        return InvalidParameter;
+
+    GdipFree(pen->dashes);
+    pen->dashes = NULL;
+
+    if(count > 0)
+        pen->dashes = GdipAlloc(count * sizeof(REAL));
+    if(!pen->dashes){
+        pen->numdashes = 0;
+        return OutOfMemory;
+    }
+
+    pen->dash = DashStyleCustom;
+    memcpy(pen->dashes, dash, count * sizeof(REAL));
+    pen->numdashes = count;
+
+    return Ok;
+}
+
 GpStatus WINGDIPAPI GdipSetPenDashStyle(GpPen *pen, GpDashStyle dash)
 {
     if(!pen)
         return InvalidParameter;
 
+    if(dash != DashStyleCustom){
+        GdipFree(pen->dashes);
+        pen->dashes = NULL;
+        pen->numdashes = 0;
+    }
+
     pen->dash = dash;
     pen->style &= ~(PS_ALTERNATE | PS_SOLID | PS_DASH | PS_DOT | PS_DASHDOT |
                     PS_DASHDOTDOT | PS_NULL | PS_USERSTYLE | PS_INSIDEFRAME);

include/gdiplusflat.h

@@ -32,11 +32,13 @@ GpStatus WINGDIPAPI GdipCreatePen1(ARGB,REAL,GpUnit,GpPen**);
 GpStatus WINGDIPAPI GdipDeletePen(GpPen*);
 GpStatus WINGDIPAPI GdipGetPenBrushFill(GpPen*,GpBrush**);
 GpStatus WINGDIPAPI GdipGetPenColor(GpPen*,ARGB*);
+GpStatus WINGDIPAPI GdipGetPenDashArray(GpPen*,REAL*,INT);
 GpStatus WINGDIPAPI GdipGetPenDashStyle(GpPen*,GpDashStyle*);
 GpStatus WINGDIPAPI GdipSetPenBrushFill(GpPen*,GpBrush*);
 GpStatus WINGDIPAPI GdipSetPenColor(GpPen*,ARGB);
 GpStatus WINGDIPAPI GdipSetPenCustomEndCap(GpPen*,GpCustomLineCap*);
 GpStatus WINGDIPAPI GdipSetPenCustomStartCap(GpPen*,GpCustomLineCap*);
+GpStatus WINGDIPAPI GdipSetPenDashArray(GpPen*,GDIPCONST REAL*,INT);
 GpStatus WINGDIPAPI GdipSetPenDashStyle(GpPen*,GpDashStyle);
 GpStatus WINGDIPAPI GdipSetPenEndCap(GpPen*,GpLineCap);
 GpStatus WINGDIPAPI GdipSetPenLineCap197819(GpPen*,GpLineCap,GpLineCap,GpDashCap);