/*
* Copyright 2009 Vincent Povirk for CodeWeavers
+ * Copyright 2016 Dmitry Timoshkov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
struct bmp_pixelformat {
const WICPixelFormatGUID *guid;
UINT bpp;
+ UINT colors; /* palette size */
DWORD compression;
DWORD redmask;
DWORD greenmask;
};
static const struct bmp_pixelformat formats[] = {
- {&GUID_WICPixelFormat24bppBGR, 24, BI_RGB},
- {&GUID_WICPixelFormat16bppBGR555, 16, BI_RGB},
- {&GUID_WICPixelFormat16bppBGR565, 16, BI_BITFIELDS, 0xf800, 0x7e0, 0x1f, 0},
- {&GUID_WICPixelFormat32bppBGR, 32, BI_RGB},
+ {&GUID_WICPixelFormat24bppBGR, 24, 0, BI_RGB},
+ {&GUID_WICPixelFormatBlackWhite, 1, 2, BI_RGB},
+ {&GUID_WICPixelFormat1bppIndexed, 1, 2, BI_RGB},
+ {&GUID_WICPixelFormat2bppIndexed, 2, 4, BI_RGB},
+ {&GUID_WICPixelFormat4bppIndexed, 4, 16, BI_RGB},
+ {&GUID_WICPixelFormat8bppIndexed, 8, 256, BI_RGB},
+ {&GUID_WICPixelFormat16bppBGR555, 16, 0, BI_RGB},
+ {&GUID_WICPixelFormat16bppBGR565, 16, 0, BI_BITFIELDS, 0xf800, 0x7e0, 0x1f, 0},
+ {&GUID_WICPixelFormat32bppBGR, 32, 0, BI_RGB},
#if 0
/* Windows doesn't seem to support this one. */
- {&GUID_WICPixelFormat32bppBGRA, 32, BI_BITFIELDS, 0xff0000, 0xff00, 0xff, 0xff000000},
+ {&GUID_WICPixelFormat32bppBGRA, 32, 0, BI_BITFIELDS, 0xff0000, 0xff00, 0xff, 0xff000000},
#endif
{NULL}
};
double xres, yres;
UINT lineswritten;
UINT stride;
+ WICColor palette[256];
+ UINT colors;
BOOL committed;
} BmpFrameEncode;
for (i=0; formats[i].guid; i++)
{
- if (memcmp(formats[i].guid, pPixelFormat, sizeof(GUID)) == 0)
+ if (IsEqualGUID(formats[i].guid, pPixelFormat))
break;
}
if (!formats[i].guid) i = 0;
+ else if (IsEqualGUID(pPixelFormat, &GUID_WICPixelFormatBlackWhite))
+ i = 2; /* GUID_WICPixelFormat1bppIndexed */
This->format = &formats[i];
memcpy(pPixelFormat, This->format->guid, sizeof(GUID));
}
static HRESULT WINAPI BmpFrameEncode_SetPalette(IWICBitmapFrameEncode *iface,
- IWICPalette *pIPalette)
+ IWICPalette *palette)
{
- FIXME("(%p,%p): stub\n", iface, pIPalette);
- return WINCODEC_ERR_UNSUPPORTEDOPERATION;
+ BmpFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
+ HRESULT hr;
+
+ TRACE("(%p,%p)\n", iface, palette);
+
+ if (!palette) return E_INVALIDARG;
+
+ if (!This->initialized)
+ return WINCODEC_ERR_NOTINITIALIZED;
+
+ hr = IWICPalette_GetColors(palette, 256, This->palette, &This->colors);
+ if (hr == S_OK)
+ {
+ UINT i;
+ for (i = 0; i < This->colors; i++)
+ This->palette[i] |= 0xff000000; /* BMP palette has no alpha */
+ }
+ return hr;
}
static HRESULT WINAPI BmpFrameEncode_SetThumbnail(IWICBitmapFrameEncode *iface,
BmpFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
BITMAPFILEHEADER bfh;
BITMAPV5HEADER bih;
- UINT info_size;
+ UINT info_size, i;
LARGE_INTEGER pos;
ULONG byteswritten;
HRESULT hr;
+ const BYTE *bits;
TRACE("(%p)\n", iface);
bih.bV5Size = info_size = sizeof(BITMAPINFOHEADER);
bih.bV5Width = This->width;
- bih.bV5Height = -This->height; /* top-down bitmap */
+ bih.bV5Height = This->height; /* bottom-top bitmap */
bih.bV5Planes = 1;
bih.bV5BitCount = This->format->bpp;
bih.bV5Compression = This->format->compression;
bih.bV5SizeImage = This->stride*This->height;
bih.bV5XPelsPerMeter = (This->xres+0.0127) / 0.0254;
bih.bV5YPelsPerMeter = (This->yres+0.0127) / 0.0254;
- bih.bV5ClrUsed = 0;
- bih.bV5ClrImportant = 0;
+ bih.bV5ClrUsed = (This->format->bpp <= 8) ? This->colors : 0;
+ bih.bV5ClrImportant = bih.bV5ClrUsed;
if (This->format->compression == BI_BITFIELDS)
{
bfh.bfSize = sizeof(BITMAPFILEHEADER) + info_size + bih.bV5SizeImage;
bfh.bfOffBits = sizeof(BITMAPFILEHEADER) + info_size;
+ bfh.bfOffBits += bih.bV5ClrUsed * sizeof(WICColor);
pos.QuadPart = 0;
hr = IStream_Seek(This->stream, pos, STREAM_SEEK_SET, NULL);
if (FAILED(hr)) return hr;
if (byteswritten != info_size) return E_FAIL;
- hr = IStream_Write(This->stream, This->bits, bih.bV5SizeImage, &byteswritten);
- if (FAILED(hr)) return hr;
- if (byteswritten != bih.bV5SizeImage) return E_FAIL;
+ /* write the palette */
+ if (This->format->colors)
+ {
+ hr = IStream_Write(This->stream, This->palette, This->colors * sizeof(WICColor), &byteswritten);
+ if (FAILED(hr)) return hr;
+ if (byteswritten != This->colors * sizeof(WICColor)) return E_FAIL;
+ }
+
+ /* write the image bits as a bottom-top array */
+ bits = This->bits + bih.bV5SizeImage;
+ for (i = 0; i < This->height; i++)
+ {
+ bits -= This->stride;
+ hr = IStream_Write(This->stream, bits, This->stride, &byteswritten);
+ if (FAILED(hr)) return hr;
+ if (byteswritten != This->stride) return E_FAIL;
+ }
This->committed = TRUE;
return S_OK;
}
-static HRESULT WINAPI BmpEncoder_GetEncoderInfo(IWICBitmapEncoder *iface,
- IWICBitmapEncoderInfo **ppIEncoderInfo)
+static HRESULT WINAPI BmpEncoder_GetEncoderInfo(IWICBitmapEncoder *iface, IWICBitmapEncoderInfo **info)
{
- FIXME("(%p,%p): stub\n", iface, ppIEncoderInfo);
- return E_NOTIMPL;
+ IWICComponentInfo *comp_info;
+ HRESULT hr;
+
+ TRACE("%p,%p\n", iface, info);
+
+ if (!info) return E_INVALIDARG;
+
+ hr = CreateComponentInfo(&CLSID_WICBmpEncoder, &comp_info);
+ if (hr == S_OK)
+ {
+ hr = IWICComponentInfo_QueryInterface(comp_info, &IID_IWICBitmapEncoderInfo, (void **)info);
+ IWICComponentInfo_Release(comp_info);
+ }
+ return hr;
}
static HRESULT WINAPI BmpEncoder_SetColorContexts(IWICBitmapEncoder *iface,
return E_NOTIMPL;
}
-static HRESULT WINAPI BmpEncoder_SetPalette(IWICBitmapEncoder *iface, IWICPalette *pIPalette)
+static HRESULT WINAPI BmpEncoder_SetPalette(IWICBitmapEncoder *iface, IWICPalette *palette)
{
- TRACE("(%p,%p)\n", iface, pIPalette);
- return WINCODEC_ERR_UNSUPPORTEDOPERATION;
+ BmpEncoder *This = impl_from_IWICBitmapEncoder(iface);
+
+ TRACE("(%p,%p)\n", iface, palette);
+ return This->stream ? WINCODEC_ERR_UNSUPPORTEDOPERATION : WINCODEC_ERR_NOTINITIALIZED;
}
static HRESULT WINAPI BmpEncoder_SetThumbnail(IWICBitmapEncoder *iface, IWICBitmapSource *pIThumbnail)
encode->xres = 0.0;
encode->yres = 0.0;
encode->lineswritten = 0;
+ encode->colors = 0;
encode->committed = FALSE;
*ppIFrameEncode = &encode->IWICBitmapFrameEncode_iface;