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wine-wine/dlls/d2d1/bitmap.c

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/*
* Copyright 2014 Henri Verbeet for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "d2d1_private.h"
#include "wincodec.h"
WINE_DEFAULT_DEBUG_CHANNEL(d2d);
static inline struct d2d_bitmap *impl_from_ID2D1Bitmap1(ID2D1Bitmap1 *iface)
{
return CONTAINING_RECORD(iface, struct d2d_bitmap, ID2D1Bitmap1_iface);
}
static HRESULT STDMETHODCALLTYPE d2d_bitmap_QueryInterface(ID2D1Bitmap1 *iface, REFIID iid, void **out)
{
TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
if (IsEqualGUID(iid, &IID_ID2D1Bitmap1)
|| IsEqualGUID(iid, &IID_ID2D1Bitmap)
|| IsEqualGUID(iid, &IID_ID2D1Image)
|| IsEqualGUID(iid, &IID_ID2D1Resource)
|| IsEqualGUID(iid, &IID_IUnknown))
{
ID2D1Bitmap1_AddRef(iface);
*out = iface;
return S_OK;
}
WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
*out = NULL;
return E_NOINTERFACE;
}
static ULONG STDMETHODCALLTYPE d2d_bitmap_AddRef(ID2D1Bitmap1 *iface)
{
struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap1(iface);
ULONG refcount = InterlockedIncrement(&bitmap->refcount);
TRACE("%p increasing refcount to %u.\n", iface, refcount);
return refcount;
}
static ULONG STDMETHODCALLTYPE d2d_bitmap_Release(ID2D1Bitmap1 *iface)
{
struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap1(iface);
ULONG refcount = InterlockedDecrement(&bitmap->refcount);
TRACE("%p decreasing refcount to %u.\n", iface, refcount);
if (!refcount)
{
if (bitmap->srv)
ID3D10ShaderResourceView_Release(bitmap->srv);
if (bitmap->rtv)
ID3D10RenderTargetView_Release(bitmap->rtv);
if (bitmap->surface)
IDXGISurface_Release(bitmap->surface);
ID3D10Resource_Release(bitmap->resource);
ID2D1Factory_Release(bitmap->factory);
heap_free(bitmap);
}
return refcount;
}
static void STDMETHODCALLTYPE d2d_bitmap_GetFactory(ID2D1Bitmap1 *iface, ID2D1Factory **factory)
{
struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap1(iface);
TRACE("iface %p, factory %p.\n", iface, factory);
ID2D1Factory_AddRef(*factory = bitmap->factory);
}
static D2D1_SIZE_F * STDMETHODCALLTYPE d2d_bitmap_GetSize(ID2D1Bitmap1 *iface, D2D1_SIZE_F *size)
{
struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap1(iface);
TRACE("iface %p, size %p.\n", iface, size);
size->width = bitmap->pixel_size.width / (bitmap->dpi_x / 96.0f);
size->height = bitmap->pixel_size.height / (bitmap->dpi_y / 96.0f);
return size;
}
static D2D1_SIZE_U * STDMETHODCALLTYPE d2d_bitmap_GetPixelSize(ID2D1Bitmap1 *iface, D2D1_SIZE_U *pixel_size)
{
struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap1(iface);
TRACE("iface %p, pixel_size %p.\n", iface, pixel_size);
*pixel_size = bitmap->pixel_size;
return pixel_size;
}
static D2D1_PIXEL_FORMAT * STDMETHODCALLTYPE d2d_bitmap_GetPixelFormat(ID2D1Bitmap1 *iface, D2D1_PIXEL_FORMAT *format)
{
struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap1(iface);
TRACE("iface %p, format %p.\n", iface, format);
*format = bitmap->format;
return format;
}
static void STDMETHODCALLTYPE d2d_bitmap_GetDpi(ID2D1Bitmap1 *iface, float *dpi_x, float *dpi_y)
{
struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap1(iface);
TRACE("iface %p, dpi_x %p, dpi_y %p.\n", iface, dpi_x, dpi_y);
*dpi_x = bitmap->dpi_x;
*dpi_y = bitmap->dpi_y;
}
static HRESULT STDMETHODCALLTYPE d2d_bitmap_CopyFromBitmap(ID2D1Bitmap1 *iface,
const D2D1_POINT_2U *dst_point, ID2D1Bitmap *bitmap, const D2D1_RECT_U *src_rect)
{
FIXME("iface %p, dst_point %p, bitmap %p, src_rect %p stub!\n", iface, dst_point, bitmap, src_rect);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE d2d_bitmap_CopyFromRenderTarget(ID2D1Bitmap1 *iface,
const D2D1_POINT_2U *dst_point, ID2D1RenderTarget *render_target, const D2D1_RECT_U *src_rect)
{
FIXME("iface %p, dst_point %p, render_target %p, src_rect %p stub!\n", iface, dst_point, render_target, src_rect);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE d2d_bitmap_CopyFromMemory(ID2D1Bitmap1 *iface,
const D2D1_RECT_U *dst_rect, const void *src_data, UINT32 pitch)
{
struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap1(iface);
ID3D10Device *device;
D3D10_BOX box;
TRACE("iface %p, dst_rect %p, src_data %p, pitch %u.\n", iface, dst_rect, src_data, pitch);
if (dst_rect)
{
box.left = dst_rect->left;
box.top = dst_rect->top;
box.front = 0;
box.right = dst_rect->right;
box.bottom = dst_rect->bottom;
box.back = 1;
}
ID3D10Resource_GetDevice(bitmap->resource, &device);
ID3D10Device_UpdateSubresource(device, bitmap->resource, 0, dst_rect ? &box : NULL, src_data, pitch, 0);
ID3D10Device_Release(device);
return S_OK;
}
static void STDMETHODCALLTYPE d2d_bitmap_GetColorContext(ID2D1Bitmap1 *iface, ID2D1ColorContext **context)
{
FIXME("iface %p, context %p stub!\n", iface, context);
}
static D2D1_BITMAP_OPTIONS STDMETHODCALLTYPE d2d_bitmap_GetOptions(ID2D1Bitmap1 *iface)
{
struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap1(iface);
TRACE("iface %p.\n", iface);
return bitmap->options;
}
static HRESULT STDMETHODCALLTYPE d2d_bitmap_GetSurface(ID2D1Bitmap1 *iface, IDXGISurface **surface)
{
struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap1(iface);
TRACE("iface %p, surface %p.\n", iface, surface);
*surface = bitmap->surface;
if (*surface)
IDXGISurface_AddRef(*surface);
return *surface ? S_OK : D2DERR_INVALID_CALL;
}
static HRESULT STDMETHODCALLTYPE d2d_bitmap_Map(ID2D1Bitmap1 *iface, D2D1_MAP_OPTIONS options,
D2D1_MAPPED_RECT *mapped_rect)
{
FIXME("iface %p, options %#x, mapped_rect %p stub!\n", iface, options, mapped_rect);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE d2d_bitmap_Unmap(ID2D1Bitmap1 *iface)
{
FIXME("iface %p stub!\n", iface);
return E_NOTIMPL;
}
static const struct ID2D1Bitmap1Vtbl d2d_bitmap_vtbl =
{
d2d_bitmap_QueryInterface,
d2d_bitmap_AddRef,
d2d_bitmap_Release,
d2d_bitmap_GetFactory,
d2d_bitmap_GetSize,
d2d_bitmap_GetPixelSize,
d2d_bitmap_GetPixelFormat,
d2d_bitmap_GetDpi,
d2d_bitmap_CopyFromBitmap,
d2d_bitmap_CopyFromRenderTarget,
d2d_bitmap_CopyFromMemory,
d2d_bitmap_GetColorContext,
d2d_bitmap_GetOptions,
d2d_bitmap_GetSurface,
d2d_bitmap_Map,
d2d_bitmap_Unmap,
};
static BOOL format_supported(const D2D1_PIXEL_FORMAT *format)
{
unsigned int i;
static const D2D1_PIXEL_FORMAT supported_formats[] =
{
{DXGI_FORMAT_R32G32B32A32_FLOAT, D2D1_ALPHA_MODE_PREMULTIPLIED},
{DXGI_FORMAT_R32G32B32A32_FLOAT, D2D1_ALPHA_MODE_IGNORE },
{DXGI_FORMAT_R16G16B16A16_FLOAT, D2D1_ALPHA_MODE_PREMULTIPLIED},
{DXGI_FORMAT_R16G16B16A16_FLOAT, D2D1_ALPHA_MODE_IGNORE },
{DXGI_FORMAT_R16G16B16A16_UNORM, D2D1_ALPHA_MODE_PREMULTIPLIED},
{DXGI_FORMAT_R16G16B16A16_UNORM, D2D1_ALPHA_MODE_IGNORE },
{DXGI_FORMAT_R8G8B8A8_UNORM, D2D1_ALPHA_MODE_PREMULTIPLIED},
{DXGI_FORMAT_R8G8B8A8_UNORM, D2D1_ALPHA_MODE_IGNORE },
{DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, D2D1_ALPHA_MODE_PREMULTIPLIED},
{DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, D2D1_ALPHA_MODE_IGNORE },
{DXGI_FORMAT_A8_UNORM, D2D1_ALPHA_MODE_PREMULTIPLIED},
{DXGI_FORMAT_A8_UNORM, D2D1_ALPHA_MODE_STRAIGHT },
{DXGI_FORMAT_B8G8R8A8_UNORM, D2D1_ALPHA_MODE_PREMULTIPLIED},
{DXGI_FORMAT_B8G8R8A8_UNORM, D2D1_ALPHA_MODE_IGNORE },
{DXGI_FORMAT_B8G8R8X8_UNORM, D2D1_ALPHA_MODE_IGNORE },
{DXGI_FORMAT_B8G8R8A8_UNORM_SRGB, D2D1_ALPHA_MODE_PREMULTIPLIED},
{DXGI_FORMAT_B8G8R8A8_UNORM_SRGB, D2D1_ALPHA_MODE_IGNORE },
};
for (i = 0; i < ARRAY_SIZE(supported_formats); ++i)
{
if (supported_formats[i].format == format->format
&& supported_formats[i].alphaMode == format->alphaMode)
return TRUE;
}
return FALSE;
}
static void d2d_bitmap_init(struct d2d_bitmap *bitmap, struct d2d_device_context *context,
ID3D10Resource *resource, D2D1_SIZE_U size, const D2D1_BITMAP_PROPERTIES1 *desc)
{
ID3D10Device *d3d_device;
HRESULT hr;
bitmap->ID2D1Bitmap1_iface.lpVtbl = &d2d_bitmap_vtbl;
bitmap->refcount = 1;
ID2D1Factory_AddRef(bitmap->factory = context->factory);
ID3D10Resource_AddRef(bitmap->resource = resource);
bitmap->pixel_size = size;
bitmap->format = desc->pixelFormat;
bitmap->dpi_x = desc->dpiX;
bitmap->dpi_y = desc->dpiY;
bitmap->options = desc->bitmapOptions;
if (d2d_device_context_is_dxgi_target(context))
ID3D10Resource_QueryInterface(resource, &IID_IDXGISurface, (void **)&bitmap->surface);
ID3D10Resource_GetDevice(resource, &d3d_device);
if (bitmap->options & D2D1_BITMAP_OPTIONS_TARGET)
{
if (FAILED(hr = ID3D10Device_CreateRenderTargetView(d3d_device, resource, NULL, &bitmap->rtv)))
WARN("Failed to create RTV, hr %#x.\n", hr);
}
if (!(bitmap->options & D2D1_BITMAP_OPTIONS_CANNOT_DRAW))
{
if (FAILED(hr = ID3D10Device_CreateShaderResourceView(d3d_device, resource, NULL, &bitmap->srv)))
WARN("Failed to create SRV, hr %#x.\n", hr);
}
ID3D10Device_Release(d3d_device);
if (bitmap->dpi_x == 0.0f && bitmap->dpi_y == 0.0f)
{
bitmap->dpi_x = 96.0f;
bitmap->dpi_y = 96.0f;
}
}
HRESULT d2d_bitmap_create(struct d2d_device_context *context, D2D1_SIZE_U size, const void *src_data,
UINT32 pitch, const D2D1_BITMAP_PROPERTIES1 *desc, struct d2d_bitmap **bitmap)
{
D3D10_SUBRESOURCE_DATA resource_data;
D2D1_BITMAP_PROPERTIES1 bitmap_desc;
D3D10_TEXTURE2D_DESC texture_desc;
ID3D10Texture2D *texture;
HRESULT hr;
if (!format_supported(&desc->pixelFormat))
{
WARN("Tried to create bitmap with unsupported format {%#x / %#x}.\n",
desc->pixelFormat.format, desc->pixelFormat.alphaMode);
return D2DERR_UNSUPPORTED_PIXEL_FORMAT;
}
if (desc->dpiX == 0.0f && desc->dpiY == 0.0f)
{
bitmap_desc = *desc;
bitmap_desc.dpiX = context->desc.dpiX;
bitmap_desc.dpiY = context->desc.dpiY;
desc = &bitmap_desc;
}
else if (desc->dpiX <= 0.0f || desc->dpiY <= 0.0f)
{
return E_INVALIDARG;
}
texture_desc.Width = size.width;
texture_desc.Height = size.height;
if (!texture_desc.Width || !texture_desc.Height)
texture_desc.Width = texture_desc.Height = 1;
texture_desc.MipLevels = 1;
texture_desc.ArraySize = 1;
texture_desc.Format = desc->pixelFormat.format;
texture_desc.SampleDesc.Count = 1;
texture_desc.SampleDesc.Quality = 0;
texture_desc.Usage = D3D10_USAGE_DEFAULT;
texture_desc.BindFlags = 0;
if (desc->bitmapOptions & D2D1_BITMAP_OPTIONS_TARGET)
texture_desc.BindFlags |= D3D10_BIND_RENDER_TARGET;
if (!(desc->bitmapOptions & D2D1_BITMAP_OPTIONS_CANNOT_DRAW))
texture_desc.BindFlags |= D3D10_BIND_SHADER_RESOURCE;
texture_desc.CPUAccessFlags = 0;
texture_desc.MiscFlags = 0;
if (desc->bitmapOptions & D2D1_BITMAP_OPTIONS_GDI_COMPATIBLE)
texture_desc.MiscFlags |= D3D10_RESOURCE_MISC_GDI_COMPATIBLE;
resource_data.pSysMem = src_data;
resource_data.SysMemPitch = pitch;
if (FAILED(hr = ID3D10Device_CreateTexture2D(context->d3d_device, &texture_desc,
src_data ? &resource_data : NULL, &texture)))
{
ERR("Failed to create texture, hr %#x.\n", hr);
return hr;
}
if ((*bitmap = heap_alloc_zero(sizeof(**bitmap))))
{
d2d_bitmap_init(*bitmap, context, (ID3D10Resource *)texture, size, desc);
TRACE("Created bitmap %p.\n", *bitmap);
}
ID3D10Texture2D_Release(texture);
return *bitmap ? S_OK : E_OUTOFMEMORY;
}
HRESULT d2d_bitmap_create_shared(struct d2d_device_context *context, REFIID iid, void *data,
const D2D1_BITMAP_PROPERTIES1 *desc, struct d2d_bitmap **bitmap)
{
D2D1_BITMAP_PROPERTIES1 d;
if (IsEqualGUID(iid, &IID_ID2D1Bitmap))
{
struct d2d_bitmap *src_impl = unsafe_impl_from_ID2D1Bitmap(data);
ID3D10Device *device;
HRESULT hr = S_OK;
if (src_impl->factory != context->factory)
{
hr = D2DERR_WRONG_FACTORY;
goto failed;
}
ID3D10Resource_GetDevice(src_impl->resource, &device);
ID3D10Device_Release(device);
if (device != context->d3d_device)
{
hr = D2DERR_UNSUPPORTED_OPERATION;
goto failed;
}
if (!desc)
{
d.pixelFormat = src_impl->format;
d.dpiX = src_impl->dpi_x;
d.dpiY = src_impl->dpi_y;
d.bitmapOptions = src_impl->options;
d.colorContext = NULL;
desc = &d;
}
if (!format_supported(&desc->pixelFormat))
{
WARN("Tried to create bitmap with unsupported format {%#x / %#x}.\n",
desc->pixelFormat.format, desc->pixelFormat.alphaMode);
hr = D2DERR_UNSUPPORTED_PIXEL_FORMAT;
goto failed;
}
if (!(*bitmap = heap_alloc_zero(sizeof(**bitmap))))
{
hr = E_OUTOFMEMORY;
goto failed;
}
d2d_bitmap_init(*bitmap, context, src_impl->resource, src_impl->pixel_size, desc);
TRACE("Created bitmap %p.\n", *bitmap);
failed:
return hr;
}
if (IsEqualGUID(iid, &IID_IDXGISurface) || IsEqualGUID(iid, &IID_IDXGISurface1))
{
DXGI_SURFACE_DESC surface_desc;
IDXGISurface *surface = data;
ID3D10Resource *resource;
D2D1_SIZE_U pixel_size;
ID3D10Device *device;
HRESULT hr;
if (FAILED(IDXGISurface_QueryInterface(surface, &IID_ID3D10Resource, (void **)&resource)))
{
WARN("Failed to get d3d resource from dxgi surface.\n");
return E_FAIL;
}
ID3D10Resource_GetDevice(resource, &device);
ID3D10Device_Release(device);
if (device != context->d3d_device)
{
ID3D10Resource_Release(resource);
return D2DERR_UNSUPPORTED_OPERATION;
}
if (!(*bitmap = heap_alloc_zero(sizeof(**bitmap))))
{
ID3D10Resource_Release(resource);
return E_OUTOFMEMORY;
}
if (FAILED(hr = IDXGISurface_GetDesc(surface, &surface_desc)))
{
WARN("Failed to get surface desc, hr %#x.\n", hr);
ID3D10Resource_Release(resource);
return hr;
}
if (!desc)
{
memset(&d, 0, sizeof(d));
d.pixelFormat.format = surface_desc.Format;
}
else
{
d = *desc;
if (d.pixelFormat.format == DXGI_FORMAT_UNKNOWN)
d.pixelFormat.format = surface_desc.Format;
}
if (d.dpiX == 0.0f || d.dpiY == 0.0f)
{
if (d.dpiX == 0.0f)
d.dpiX = context->desc.dpiX;
if (d.dpiY == 0.0f)
d.dpiY = context->desc.dpiY;
}
pixel_size.width = surface_desc.Width;
pixel_size.height = surface_desc.Height;
d2d_bitmap_init(*bitmap, context, resource, pixel_size, &d);
ID3D10Resource_Release(resource);
TRACE("Created bitmap %p.\n", *bitmap);
return S_OK;
}
WARN("Unhandled interface %s.\n", debugstr_guid(iid));
return E_INVALIDARG;
}
HRESULT d2d_bitmap_create_from_wic_bitmap(struct d2d_device_context *context, IWICBitmapSource *bitmap_source,
const D2D1_BITMAP_PROPERTIES1 *desc, struct d2d_bitmap **bitmap)
{
const D2D1_PIXEL_FORMAT *d2d_format;
D2D1_BITMAP_PROPERTIES1 bitmap_desc;
WICPixelFormatGUID wic_format;
unsigned int bpp, data_size;
D2D1_SIZE_U size;
unsigned int i;
WICRect rect;
UINT32 pitch;
HRESULT hr;
void *data;
static const struct
{
const WICPixelFormatGUID *wic;
D2D1_PIXEL_FORMAT d2d;
}
format_lookup[] =
{
{&GUID_WICPixelFormat32bppPBGRA, {DXGI_FORMAT_B8G8R8A8_UNORM, D2D1_ALPHA_MODE_PREMULTIPLIED}},
{&GUID_WICPixelFormat32bppPRGBA, {DXGI_FORMAT_R8G8B8A8_UNORM, D2D1_ALPHA_MODE_PREMULTIPLIED}},
{&GUID_WICPixelFormat32bppBGR, {DXGI_FORMAT_B8G8R8A8_UNORM, D2D1_ALPHA_MODE_IGNORE}},
};
if (FAILED(hr = IWICBitmapSource_GetSize(bitmap_source, &size.width, &size.height)))
{
WARN("Failed to get bitmap size, hr %#x.\n", hr);
return hr;
}
if (!desc)
{
bitmap_desc.pixelFormat.format = DXGI_FORMAT_UNKNOWN;
bitmap_desc.pixelFormat.alphaMode = D2D1_ALPHA_MODE_UNKNOWN;
bitmap_desc.dpiX = 0.0f;
bitmap_desc.dpiY = 0.0f;
bitmap_desc.bitmapOptions = 0;
bitmap_desc.colorContext = NULL;
}
else
{
bitmap_desc = *desc;
}
if (FAILED(hr = IWICBitmapSource_GetPixelFormat(bitmap_source, &wic_format)))
{
WARN("Failed to get bitmap format, hr %#x.\n", hr);
return hr;
}
for (i = 0, d2d_format = NULL; i < ARRAY_SIZE(format_lookup); ++i)
{
if (IsEqualGUID(&wic_format, format_lookup[i].wic))
{
d2d_format = &format_lookup[i].d2d;
break;
}
}
if (!d2d_format)
{
WARN("Unsupported WIC bitmap format %s.\n", debugstr_guid(&wic_format));
return D2DERR_UNSUPPORTED_PIXEL_FORMAT;
}
if (bitmap_desc.pixelFormat.format == DXGI_FORMAT_UNKNOWN)
bitmap_desc.pixelFormat.format = d2d_format->format;
if (bitmap_desc.pixelFormat.alphaMode == D2D1_ALPHA_MODE_UNKNOWN)
bitmap_desc.pixelFormat.alphaMode = d2d_format->alphaMode;
switch (bitmap_desc.pixelFormat.format)
{
case DXGI_FORMAT_B8G8R8A8_UNORM:
case DXGI_FORMAT_R8G8B8A8_UNORM:
bpp = 4;
break;
default:
FIXME("Unhandled format %#x.\n", bitmap_desc.pixelFormat.format);
return D2DERR_UNSUPPORTED_PIXEL_FORMAT;
}
pitch = ((bpp * size.width) + 15) & ~15;
if (pitch / bpp < size.width)
return E_OUTOFMEMORY;
if (!(data = heap_calloc(size.height, pitch)))
return E_OUTOFMEMORY;
data_size = size.height * pitch;
rect.X = 0;
rect.Y = 0;
rect.Width = size.width;
rect.Height = size.height;
if (FAILED(hr = IWICBitmapSource_CopyPixels(bitmap_source, &rect, pitch, data_size, data)))
{
WARN("Failed to copy bitmap pixels, hr %#x.\n", hr);
heap_free(data);
return hr;
}
hr = d2d_bitmap_create(context, size, data, pitch, &bitmap_desc, bitmap);
heap_free(data);
return hr;
}
struct d2d_bitmap *unsafe_impl_from_ID2D1Bitmap(ID2D1Bitmap *iface)
{
if (!iface)
return NULL;
assert(iface->lpVtbl == (ID2D1BitmapVtbl *)&d2d_bitmap_vtbl);
return CONTAINING_RECORD(iface, struct d2d_bitmap, ID2D1Bitmap1_iface);
}
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