From 9d5d4dba288c642521ecf73a33ec38567149f374 Mon Sep 17 00:00:00 2001
From: Bartosz Kosiorek <gang65@poczta.onet.pl>
Date: Sat, 29 Oct 2022 14:39:20 +0200
Subject: [PATCH] gdiplus: Add GdipSetPenCompoundArray implementation.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52196
---
 dlls/gdiplus/gdiplus_private.h |  2 ++
 dlls/gdiplus/graphicspath.c    |  3 +++
 dlls/gdiplus/pen.c             | 26 ++++++++++++++++++++++----
 dlls/gdiplus/tests/pen.c       | 12 +++++++++++-
 4 files changed, 38 insertions(+), 5 deletions(-)

diff --git a/dlls/gdiplus/gdiplus_private.h b/dlls/gdiplus/gdiplus_private.h
index 03bfa5513cb..0c55af6614a 100644
--- a/dlls/gdiplus/gdiplus_private.h
+++ b/dlls/gdiplus/gdiplus_private.h
@@ -235,6 +235,8 @@ struct GpPen{
     GpBrush *brush;
     GpPenAlignment align;
     GpMatrix transform;
+    REAL *compound_array;
+    INT compound_array_size;
 };
 
 struct GpGraphics{
diff --git a/dlls/gdiplus/graphicspath.c b/dlls/gdiplus/graphicspath.c
index ce2666eedab..d98a5ae4bf6 100644
--- a/dlls/gdiplus/graphicspath.c
+++ b/dlls/gdiplus/graphicspath.c
@@ -2356,6 +2356,9 @@ GpStatus WINGDIPAPI GdipWidenPath(GpPath *path, GpPen *pen, GpMatrix *matrix,
         if (pen->align != PenAlignmentCenter)
             FIXME("unimplemented pen alignment %d\n", pen->align);
 
+        if (pen->compound_array_size != 0)
+            FIXME("unimplemented pen compoundline. Solid line will be drawn instead: %d\n", pen->compound_array_size);
+
         for (i=0; i < flat_path->pathdata.Count; i++)
         {
             if ((types[i]&PathPointTypePathTypeMask) == PathPointTypeStart)
diff --git a/dlls/gdiplus/pen.c b/dlls/gdiplus/pen.c
index 32579adc484..083406eedef 100644
--- a/dlls/gdiplus/pen.c
+++ b/dlls/gdiplus/pen.c
@@ -171,6 +171,8 @@ GpStatus WINGDIPAPI GdipCreatePen2(GpBrush *brush, REAL width, GpUnit unit,
     gp_pen->offset = 0.0;
     gp_pen->customstart = NULL;
     gp_pen->customend = NULL;
+    gp_pen->compound_array = NULL;
+    gp_pen->compound_array_size = 0;
     GdipSetMatrixElements(&gp_pen->transform, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
 
     if(!((gp_pen->unit == UnitWorld) || (gp_pen->unit == UnitPixel))) {
@@ -198,6 +200,7 @@ GpStatus WINGDIPAPI GdipDeletePen(GpPen *pen)
     GdipDeleteBrush(pen->brush);
     GdipDeleteCustomLineCap(pen->customstart);
     GdipDeleteCustomLineCap(pen->customend);
+    heap_free(pen->compound_array);
     heap_free(pen->dashes);
     heap_free(pen);
 
@@ -533,15 +536,30 @@ GpStatus WINGDIPAPI GdipGetPenCompoundCount(GpPen *pen, INT *count)
     return NotImplemented;
 }
 
-GpStatus WINGDIPAPI GdipSetPenCompoundArray(GpPen *pen, GDIPCONST REAL *dash,
+GpStatus WINGDIPAPI GdipSetPenCompoundArray(GpPen *pen, GDIPCONST REAL *compoundarray,
     INT count)
 {
-    FIXME("(%p, %p, %i): stub\n", pen, dash, count);
+    INT i;
+    REAL *tmp;
+    TRACE("(%p, %p, %i)\n", pen, compoundarray, count);
 
-    if (!pen || !dash || count < 2 || count%2 == 1)
+    if(!pen || !compoundarray || count < 2 || count%2 == 1 || *compoundarray < 0.0 || *compoundarray > 1.0)
         return InvalidParameter;
 
-    return NotImplemented;
+    for(i = 1; i<count; i++)
+    {
+        if((compoundarray[i] < compoundarray[i - 1]) || (compoundarray[i] > 1.0))
+            return InvalidParameter;
+    }
+
+    tmp = heap_alloc_zero(count * sizeof(REAL));
+    if(!tmp)
+        return OutOfMemory;
+    heap_free(pen->compound_array);
+    pen->compound_array = tmp;
+    memcpy(pen->compound_array, compoundarray, count * sizeof(REAL));
+    pen->compound_array_size = count;
+    return Ok;
 }
 
 GpStatus WINGDIPAPI GdipSetPenCustomEndCap(GpPen *pen, GpCustomLineCap* customCap)
diff --git a/dlls/gdiplus/tests/pen.c b/dlls/gdiplus/tests/pen.c
index cd3e45f9b41..d1d19312878 100644
--- a/dlls/gdiplus/tests/pen.c
+++ b/dlls/gdiplus/tests/pen.c
@@ -351,6 +351,9 @@ static void test_compoundarray(void)
     GpStatus status;
     GpPen *pen;
     static const REAL testvalues[] = {0.2, 0.4, 0.6, 0.8};
+    static const REAL notSortedValues[] = {0.2, 0.6, 0.4, 0.8};
+    static const REAL negativeValues[] = {-1.2, 0.4, 0.6, 0.8};
+    static const REAL tooLargeValues[] = {0.2, 0.4, 0.6, 2.8};
     INT count;
 
     status = GdipSetPenCompoundArray(NULL, testvalues, 4);
@@ -382,8 +385,15 @@ todo_wine {
     status = GdipSetPenCompoundArray(pen, testvalues, -2);
     expect(InvalidParameter, status);
 
+    status = GdipSetPenCompoundArray(pen, notSortedValues, 4);
+    expect(InvalidParameter, status);
+    status = GdipSetPenCompoundArray(pen, negativeValues, 4);
+    expect(InvalidParameter, status);
+    status = GdipSetPenCompoundArray(pen, tooLargeValues, 4);
+    expect(InvalidParameter, status);
+
     status = GdipSetPenCompoundArray(pen, testvalues, 4);
-    todo_wine expect(Ok, status);
+    expect(Ok, status);
     status = GdipSetPenCompoundArray(pen, NULL, 0);
     expect(InvalidParameter, status);