[2/5] gdiplus: Write FillRects records to metafiles.

[Vincent Povirk]

-------------- next part --------------
From 7642d2f7788e61ded38e2a356ad76db89d0cbebb Mon Sep 17 00:00:00 2001
From: Vincent Povirk <vincent at codeweavers.com>
Date: Wed, 20 Nov 2013 16:50:51 -0600
Subject: [PATCH 2/5] gdiplus: Write FillRects records to metafiles.

---
 dlls/gdiplus/gdiplus_private.h |  2 +
 dlls/gdiplus/graphics.c        |  7 ++++
 dlls/gdiplus/metafile.c        | 94 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 103 insertions(+)

diff --git a/dlls/gdiplus/gdiplus_private.h b/dlls/gdiplus/gdiplus_private.h
index b2327f9..d95ea88 100644
--- a/dlls/gdiplus/gdiplus_private.h
+++ b/dlls/gdiplus/gdiplus_private.h
@@ -57,6 +57,8 @@ extern GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics) DECLS
 extern GpStatus METAFILE_GetGraphicsContext(GpMetafile* metafile, GpGraphics **result) DECLSPEC_HIDDEN;
 extern GpStatus METAFILE_GetDC(GpMetafile* metafile, HDC *hdc) DECLSPEC_HIDDEN;
 extern GpStatus METAFILE_ReleaseDC(GpMetafile* metafile, HDC hdc) DECLSPEC_HIDDEN;
+extern GpStatus METAFILE_FillRectangles(GpMetafile* metafile, GpBrush* brush,
+    GDIPCONST GpRectF* rects, INT count) DECLSPEC_HIDDEN;
 extern GpStatus METAFILE_GraphicsDeleted(GpMetafile* metafile) DECLSPEC_HIDDEN;
 extern MetafileType METAFILE_GetEmfType(HENHMETAFILE hemf) DECLSPEC_HIDDEN;
 
diff --git a/dlls/gdiplus/graphics.c b/dlls/gdiplus/graphics.c
index de0fb30..122581d 100644
--- a/dlls/gdiplus/graphics.c
+++ b/dlls/gdiplus/graphics.c
@@ -3858,6 +3858,13 @@ GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDI
     if(!rects)
         return InvalidParameter;
 
+    if (graphics->image && graphics->image->type == ImageTypeMetafile)
+    {
+        status = METAFILE_FillRectangles((GpMetafile*)graphics->image, brush, rects, count);
+        /* FIXME: Add gdi32 drawing. */
+        return status;
+    }
+
     status = GdipCreatePath(FillModeAlternate, &path);
     if (status != Ok) return status;
 
diff --git a/dlls/gdiplus/metafile.c b/dlls/gdiplus/metafile.c
index bcb5be7..4949bd9 100644
--- a/dlls/gdiplus/metafile.c
+++ b/dlls/gdiplus/metafile.c
@@ -57,6 +57,21 @@ typedef struct EmfPlusHeader
     DWORD LogicalDpiY;
 } EmfPlusHeader;
 
+typedef struct EmfPlusFillRects
+{
+    EmfPlusRecordHeader Header;
+    DWORD BrushID;
+    DWORD Count;
+} EmfPlusFillRects;
+
+typedef struct EmfPlusRect
+{
+    SHORT X;
+    SHORT Y;
+    SHORT Width;
+    SHORT Height;
+} EmfPlusRect;
+
 static GpStatus METAFILE_AllocateRecord(GpMetafile *metafile, DWORD size, void **result)
 {
     DWORD size_needed;
@@ -316,6 +331,85 @@ GpStatus METAFILE_GetDC(GpMetafile* metafile, HDC *hdc)
     return Ok;
 }
 
+static BOOL is_integer_rect(const GpRectF *rect)
+{
+    SHORT x, y, width, height;
+    x = rect->X;
+    y = rect->Y;
+    width = rect->Width;
+    height = rect->Height;
+    if (rect->X != (REAL)x || rect->Y != (REAL)y ||
+        rect->Width != (REAL)width || rect->Height != (REAL)height)
+        return FALSE;
+    return TRUE;
+}
+
+GpStatus METAFILE_FillRectangles(GpMetafile* metafile, GpBrush* brush,
+    GDIPCONST GpRectF* rects, INT count)
+{
+    if (metafile->metafile_type == MetafileTypeEmfPlusOnly || metafile->metafile_type == MetafileTypeEmfPlusDual)
+    {
+        EmfPlusFillRects *record;
+        GpStatus stat;
+        BOOL integer_rects=1;
+        int i;
+        DWORD brushid;
+        int flags = 0;
+
+        if (brush->bt == BrushTypeSolidColor)
+        {
+            flags |= 0x8000;
+            brushid = ((GpSolidFill*)brush)->color;
+        }
+        else
+        {
+            FIXME("brush serialization not implemented\n");
+            return NotImplemented;
+        }
+
+        for (i=0; i<count; i++)
+        {
+            if (!is_integer_rect(&rects[i]))
+            {
+                integer_rects = 0;
+                break;
+            }
+        }
+
+        if (integer_rects)
+            flags |= 0x4000;
+
+        stat = METAFILE_AllocateRecord(metafile,
+            sizeof(EmfPlusFillRects) + count * (integer_rects ? sizeof(EmfPlusRect) : sizeof(GpRectF)),
+            (void**)&record);
+        if (stat != Ok)
+            return stat;
+
+        record->Header.Type = EmfPlusRecordTypeFillRects;
+        record->Header.Flags = flags;
+        record->BrushID = brushid;
+        record->Count = count;
+
+        if (integer_rects)
+        {
+            EmfPlusRect *record_rects = (EmfPlusRect*)(record+1);
+            for (i=0; i<count; i++)
+            {
+                record_rects[i].X = (SHORT)rects[i].X;
+                record_rects[i].Y = (SHORT)rects[i].Y;
+                record_rects[i].Width = (SHORT)rects[i].Width;
+                record_rects[i].Height = (SHORT)rects[i].Height;
+            }
+        }
+        else
+            memcpy(record+1, rects, sizeof(GpRectF) * count);
+
+        METAFILE_WriteRecords(metafile);
+    }
+
+    return Ok;
+}
+
 GpStatus METAFILE_ReleaseDC(GpMetafile* metafile, HDC hdc)
 {
     if (hdc != metafile->record_dc)
-- 
1.8.1.2