dlls/d2d1/bitmap.c

   1 /*
   2  * Copyright 2014 Henri Verbeet for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20 #include "wine/port.h"
  21
  22 #include "d2d1_private.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(d2d);
  25
  26 static inline struct d2d_bitmap *impl_from_ID2D1Bitmap(ID2D1Bitmap *iface)
  27 {
  28     return CONTAINING_RECORD(iface, struct d2d_bitmap, ID2D1Bitmap_iface);
  29 }
  30
  31 static HRESULT STDMETHODCALLTYPE d2d_bitmap_QueryInterface(ID2D1Bitmap *iface, REFIID iid, void **out)
  32 {
  33     TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
  34
  35     if (IsEqualGUID(iid, &IID_ID2D1Bitmap)
  36             || IsEqualGUID(iid, &IID_ID2D1Resource)
  37             || IsEqualGUID(iid, &IID_IUnknown))
  38     {
  39         ID2D1Bitmap_AddRef(iface);
  40         *out = iface;
  41         return S_OK;
  42     }
  43
  44     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
  45
  46     *out = NULL;
  47     return E_NOINTERFACE;
  48 }
  49
  50 static ULONG STDMETHODCALLTYPE d2d_bitmap_AddRef(ID2D1Bitmap *iface)
  51 {
  52     struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap(iface);
  53     ULONG refcount = InterlockedIncrement(&bitmap->refcount);
  54
  55     TRACE("%p increasing refcount to %u.\n", iface, refcount);
  56
  57     return refcount;
  58 }
  59
  60 static ULONG STDMETHODCALLTYPE d2d_bitmap_Release(ID2D1Bitmap *iface)
  61 {
  62     struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap(iface);
  63     ULONG refcount = InterlockedDecrement(&bitmap->refcount);
  64
  65     TRACE("%p increasing refcount to %u.\n", iface, refcount);
  66
  67     if (!refcount)
  68     {
  69         ID3D10ShaderResourceView_Release(bitmap->view);
  70         HeapFree(GetProcessHeap(), 0, bitmap);
  71     }
  72
  73     return refcount;
  74 }
  75
  76 static void STDMETHODCALLTYPE d2d_bitmap_GetFactory(ID2D1Bitmap *iface, ID2D1Factory **factory)
  77 {
  78     FIXME("iface %p, factory %p stub!\n", iface, factory);
  79
  80     *factory = NULL;
  81 }
  82
  83 static D2D1_SIZE_F * STDMETHODCALLTYPE d2d_bitmap_GetSize(ID2D1Bitmap *iface, D2D1_SIZE_F *size)
  84 {
  85     struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap(iface);
  86
  87     TRACE("iface %p, size %p.\n", iface, size);
  88
  89     size->width = bitmap->pixel_size.width / (bitmap->dpi_x / 96.0f);
  90     size->height = bitmap->pixel_size.height / (bitmap->dpi_y / 96.0f);
  91     return size;
  92 }
  93
  94 static D2D1_SIZE_U * STDMETHODCALLTYPE d2d_bitmap_GetPixelSize(ID2D1Bitmap *iface, D2D1_SIZE_U *pixel_size)
  95 {
  96     struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap(iface);
  97
  98     TRACE("iface %p, pixel_size %p.\n", iface, pixel_size);
  99
 100     *pixel_size = bitmap->pixel_size;
 101     return pixel_size;
 102 }
 103
 104 static D2D1_PIXEL_FORMAT * STDMETHODCALLTYPE d2d_bitmap_GetPixelFormat(ID2D1Bitmap *iface, D2D1_PIXEL_FORMAT *format)
 105 {
 106     FIXME("iface %p stub!\n", iface);
 107
 108     format->format = DXGI_FORMAT_UNKNOWN;
 109     format->alphaMode = D2D1_ALPHA_MODE_UNKNOWN;
 110     return format;
 111 }
 112
 113 static void STDMETHODCALLTYPE d2d_bitmap_GetDpi(ID2D1Bitmap *iface, float *dpi_x, float *dpi_y)
 114 {
 115     struct d2d_bitmap *bitmap = impl_from_ID2D1Bitmap(iface);
 116
 117     TRACE("iface %p, dpi_x %p, dpi_y %p.\n", iface, dpi_x, dpi_y);
 118
 119     *dpi_x = bitmap->dpi_x;
 120     *dpi_y = bitmap->dpi_y;
 121 }
 122
 123 static HRESULT STDMETHODCALLTYPE d2d_bitmap_CopyFromBitmap(ID2D1Bitmap *iface,
 124         const D2D1_POINT_2U *dst_point, ID2D1Bitmap *bitmap, const D2D1_RECT_U *src_rect)
 125 {
 126     FIXME("iface %p, dst_point %p, bitmap %p, src_rect %p stub!\n", iface, dst_point, bitmap, src_rect);
 127
 128     return E_NOTIMPL;
 129 }
 130
 131 static HRESULT STDMETHODCALLTYPE d2d_bitmap_CopyFromRenderTarget(ID2D1Bitmap *iface,
 132         const D2D1_POINT_2U *dst_point, ID2D1RenderTarget *render_target, const D2D1_RECT_U *src_rect)
 133 {
 134     FIXME("iface %p, dst_point %p, render_target %p, src_rect %p stub!\n", iface, dst_point, render_target, src_rect);
 135
 136     return E_NOTIMPL;
 137 }
 138
 139 static HRESULT STDMETHODCALLTYPE d2d_bitmap_CopyFromMemory(ID2D1Bitmap *iface,
 140         const D2D1_RECT_U *dst_rect, const void *src_data, UINT32 pitch)
 141 {
 142     FIXME("iface %p, dst_rect %p, src_data %p, pitch %u stub!\n", iface, dst_rect, src_data, pitch);
 143
 144     return E_NOTIMPL;
 145 }
 146
 147 static const struct ID2D1BitmapVtbl d2d_bitmap_vtbl =
 148 {
 149     d2d_bitmap_QueryInterface,
 150     d2d_bitmap_AddRef,
 151     d2d_bitmap_Release,
 152     d2d_bitmap_GetFactory,
 153     d2d_bitmap_GetSize,
 154     d2d_bitmap_GetPixelSize,
 155     d2d_bitmap_GetPixelFormat,
 156     d2d_bitmap_GetDpi,
 157     d2d_bitmap_CopyFromBitmap,
 158     d2d_bitmap_CopyFromRenderTarget,
 159     d2d_bitmap_CopyFromMemory,
 160 };
 161
 162 HRESULT d2d_bitmap_init(struct d2d_bitmap *bitmap, struct d2d_d3d_render_target *render_target,
 163         D2D1_SIZE_U size, const void *src_data, UINT32 pitch, const D2D1_BITMAP_PROPERTIES *desc)
 164 {
 165     D3D10_SUBRESOURCE_DATA resource_data;
 166     D3D10_TEXTURE2D_DESC texture_desc;
 167     ID3D10Texture2D *texture;
 168     HRESULT hr;
 169
 170     FIXME("Ignoring bitmap properties.\n");
 171
 172     bitmap->ID2D1Bitmap_iface.lpVtbl = &d2d_bitmap_vtbl;
 173     bitmap->refcount = 1;
 174
 175     texture_desc.Width = size.width;
 176     texture_desc.Height = size.height;
 177     texture_desc.MipLevels = 1;
 178     texture_desc.ArraySize = 1;
 179     texture_desc.Format = desc->pixelFormat.format;
 180     texture_desc.SampleDesc.Count = 1;
 181     texture_desc.SampleDesc.Quality = 0;
 182     texture_desc.Usage = D3D10_USAGE_DEFAULT;
 183     texture_desc.BindFlags = D3D10_BIND_SHADER_RESOURCE;
 184     texture_desc.CPUAccessFlags = 0;
 185     texture_desc.MiscFlags = 0;
 186
 187     resource_data.pSysMem = src_data;
 188     resource_data.SysMemPitch = pitch;
 189
 190     if (FAILED(hr = ID3D10Device_CreateTexture2D(render_target->device, &texture_desc, &resource_data, &texture)))
 191     {
 192         ERR("Failed to create texture, hr %#x.\n", hr);
 193         return hr;
 194     }
 195
 196     hr = ID3D10Device_CreateShaderResourceView(render_target->device, (ID3D10Resource *)texture, NULL, &bitmap->view);
 197     ID3D10Texture2D_Release(texture);
 198     if (FAILED(hr))
 199     {
 200         ERR("Failed to create view, hr %#x.\n", hr);
 201         return hr;
 202     }
 203
 204     bitmap->pixel_size = size;
 205     bitmap->dpi_x = desc->dpiX;
 206     bitmap->dpi_y = desc->dpiY;
 207
 208     if (bitmap->dpi_x == 0.0f && bitmap->dpi_y == 0.0f)
 209     {
 210         bitmap->dpi_x = 96.0f;
 211         bitmap->dpi_y = 96.0f;
 212     }
 213
 214     return S_OK;
 215 }
 216
 217 struct d2d_bitmap *unsafe_impl_from_ID2D1Bitmap(ID2D1Bitmap *iface)
 218 {
 219     if (!iface)
 220         return NULL;
 221     assert(iface->lpVtbl == &d2d_bitmap_vtbl);
 222     return CONTAINING_RECORD(iface, struct d2d_bitmap, ID2D1Bitmap_iface);
 223 }