gdiplus: added CachedBitmap calls

[Nikolay Sivov]

Changelog:
    - added CachedBitmap based on Bitmap

>From 2ce499c856ff05d600a17f5871c24e20a1f1075d Mon Sep 17 00:00:00 2001
From: Nikolay Sivov <bunglehead at gmail.com>
Date: Tue, 4 Nov 2008 08:54:32 +0300
Subject:  Added CachedBitmap

---
 dlls/gdiplus/gdiplus.spec      |    6 ++--
 dlls/gdiplus/gdiplus_private.h |    4 ++
 dlls/gdiplus/image.c           |   61 ++++++++++++++++++++++++++++++++++++++++
 include/gdiplusgpstubs.h       |    2 +
 4 files changed, 70 insertions(+), 3 deletions(-)

diff --git a/dlls/gdiplus/gdiplus.spec b/dlls/gdiplus/gdiplus.spec
index fea80a4..90a481d 100644
--- a/dlls/gdiplus/gdiplus.spec
+++ b/dlls/gdiplus/gdiplus.spec
@@ -81,7 +81,7 @@
 @ stdcall GdipCreateBitmapFromScan0(long long long long ptr ptr)
 @ stdcall GdipCreateBitmapFromStream(ptr ptr)
 @ stdcall GdipCreateBitmapFromStreamICM(ptr ptr)
-@ stub GdipCreateCachedBitmap
+@ stdcall GdipCreateCachedBitmap(ptr ptr ptr)
 @ stdcall GdipCreateCustomLineCap(ptr ptr long long ptr)
 @ stub GdipCreateEffect
 @ stdcall GdipCreateFont(ptr long long long ptr)
@@ -137,7 +137,7 @@
 @ stdcall GdipCreateTextureIA(ptr ptr long long long long ptr)
 @ stdcall GdipCreateTextureIAI(ptr ptr long long long long ptr)
 @ stdcall GdipDeleteBrush(ptr)
-@ stub GdipDeleteCachedBitmap
+@ stdcall GdipDeleteCachedBitmap(ptr)
 @ stdcall GdipDeleteCustomLineCap(ptr)
 @ stub GdipDeleteEffect
 @ stdcall GdipDeleteFont(ptr)
@@ -158,7 +158,7 @@
 @ stdcall GdipDrawBezierI(ptr ptr long long long long long long long long)
 @ stdcall GdipDrawBeziers(ptr ptr ptr long)
 @ stdcall GdipDrawBeziersI(ptr ptr ptr long)
-@ stub GdipDrawCachedBitmap
+@ stdcall GdipDrawCachedBitmap(ptr ptr long long)
 @ stdcall GdipDrawClosedCurve2(ptr ptr ptr long long)
 @ stdcall GdipDrawClosedCurve2I(ptr ptr ptr long long)
 @ stdcall GdipDrawClosedCurve(ptr ptr ptr long)
diff --git a/dlls/gdiplus/gdiplus_private.h b/dlls/gdiplus/gdiplus_private.h
index 05549b4..d3dce6a 100644
--- a/dlls/gdiplus/gdiplus_private.h
+++ b/dlls/gdiplus/gdiplus_private.h
@@ -195,6 +195,10 @@ struct GpBitmap{
     BYTE *bitmapbits;   /* pointer to the buffer we passed in BitmapLockBits */
 };
 
+struct GpCachedBitmap{
+    GpBitmap *bmp;
+};
+
 struct GpImageAttributes{
     WrapMode wrap;
 };
diff --git a/dlls/gdiplus/image.c b/dlls/gdiplus/image.c
index 9dbefc0..1627995 100644
--- a/dlls/gdiplus/image.c
+++ b/dlls/gdiplus/image.c
@@ -547,6 +547,67 @@ GpStatus WINGDIPAPI GdipCreateBitmapFromStreamICM(IStream* stream,
     return GdipCreateBitmapFromStream(stream, bitmap);
 }
 
+GpStatus WINGDIPAPI GdipCreateCachedBitmap(GpBitmap *bitmap, GpGraphics *graphics,
+    GpCachedBitmap **cachedbmp)
+{
+    GpStatus stat;
+    GpImage *copy;
+
+    TRACE("%p %p %p\n", bitmap, graphics, cachedbmp);
+
+    if(!bitmap || !graphics || !cachedbmp)
+        return InvalidParameter;
+
+    *cachedbmp = GdipAlloc(sizeof(GpCachedBitmap));
+    if(!*cachedbmp)
+        return OutOfMemory;
+    (*cachedbmp)->bmp = GdipAlloc(sizeof(GpBitmap));
+    if(!(*cachedbmp)->bmp){
+        GdipFree(*cachedbmp);
+        return OutOfMemory;
+    }
+
+    copy = &(*cachedbmp)->bmp->image;
+    stat = GdipCloneImage(&(bitmap->image), &copy);
+    if(stat != Ok){
+        GdipFree(*cachedbmp);
+        return stat;
+    }
+
+    (*cachedbmp)->bmp->width  = bitmap->width;
+    (*cachedbmp)->bmp->height = bitmap->height;
+    (*cachedbmp)->bmp->format = bitmap->format;
+    (*cachedbmp)->bmp->lockmode = 0;
+    (*cachedbmp)->bmp->numlocks = 0;
+    (*cachedbmp)->bmp->bitmapbits = NULL;
+
+    return Ok;
+}
+
+GpStatus WINGDIPAPI GdipDeleteCachedBitmap(GpCachedBitmap *cachedbmp)
+{
+    TRACE("%p\n", cachedbmp);
+
+    if(!cachedbmp)
+        return InvalidParameter;
+
+    GdipDisposeImage(&cachedbmp->bmp->image);
+    GdipFree(cachedbmp->bmp);
+
+    return Ok;
+}
+
+GpStatus WINGDIPAPI GdipDrawCachedBitmap(GpGraphics *graphics,
+    GpCachedBitmap *cachedbmp, INT x, INT y)
+{
+    TRACE("%p %p %d %d\n", graphics, cachedbmp, x, y);
+
+    if(!graphics || !cachedbmp)
+        return InvalidParameter;
+
+    return GdipDrawImage(graphics, &cachedbmp->bmp->image, (REAL)x, (REAL)y);
+}
+
 GpStatus WINGDIPAPI GdipDisposeImage(GpImage *image)
 {
     HDC hdc;
diff --git a/include/gdiplusgpstubs.h b/include/gdiplusgpstubs.h
index 917097e..e1d1706 100644
--- a/include/gdiplusgpstubs.h
+++ b/include/gdiplusgpstubs.h
@@ -32,6 +32,7 @@ class GpAdjustableArrowCap : public GpCustomLineCap {};
 class GpImage {};
 class GpMetafile : public GpImage {};
 class GpImageAttributes {};
+class GpCachedBitmap {};
 class GpBitmap : public GpImage {};
 class GpPathGradient : public GpBrush {};
 class GpLineGradient : public GpBrush {};
@@ -57,6 +58,7 @@ typedef struct GpAdjustableArrowCap GpAdjustableArrowCap;
 typedef struct GpImage GpImage;
 typedef struct GpMetafile GpMetafile;
 typedef struct GpImageAttributes GpImageAttributes;
+typedef struct GpCachedBitmap GpCachedBitmap;
 typedef struct GpBitmap GpBitmap;
 typedef struct GpPathGradient GpPathGradient;
 typedef struct GpLineGradient GpLineGradient;
-- 
1.4.4.4