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winemac: Add support for CF_DIB and CF_BITMAP clipboard formats.

This commit is contained in:
Ken Thomases 2013-03-13 16:52:36 -05:00 committed by Alexandre Julliard
parent a8d55288de
commit 6528619494
1 changed files with 242 additions and 0 deletions
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242
dlls/winemac.drv/clipboard.c
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@ -68,6 +68,8 @@ typedef struct
**************************************************************************/
static HANDLE import_clipboard_data(CFDataRef data);
static HANDLE import_bmp_to_bitmap(CFDataRef data);
static HANDLE import_bmp_to_dib(CFDataRef data);
static HANDLE import_oemtext_to_text(CFDataRef data);
static HANDLE import_oemtext_to_unicodetext(CFDataRef data);
static HANDLE import_text_to_oemtext(CFDataRef data);
@ -79,6 +81,8 @@ static HANDLE import_utf8_to_text(CFDataRef data);
static HANDLE import_utf8_to_unicodetext(CFDataRef data);
static CFDataRef export_clipboard_data(HANDLE data);
static CFDataRef export_bitmap_to_bmp(HANDLE data);
static CFDataRef export_dib_to_bmp(HANDLE data);
static CFDataRef export_oemtext_to_utf8(HANDLE data);
static CFDataRef export_text_to_utf8(HANDLE data);
static CFDataRef export_unicodetext_to_utf8(HANDLE data);
@ -171,6 +175,12 @@ static const struct
{ CF_UNICODETEXT, CFSTR("public.utf8-plain-text"), import_utf8_to_unicodetext, export_unicodetext_to_utf8, TRUE },
{ CF_TEXT, CFSTR("public.utf8-plain-text"), import_utf8_to_text, export_text_to_utf8, TRUE },
{ CF_OEMTEXT, CFSTR("public.utf8-plain-text"), import_utf8_to_oemtext, export_oemtext_to_utf8, TRUE },
{ CF_DIB, CFSTR("org.winehq.builtin.dib"), import_clipboard_data, export_clipboard_data, FALSE },
{ CF_DIB, CFSTR("com.microsoft.bmp"), import_bmp_to_dib, export_dib_to_bmp, TRUE },
{ CF_BITMAP, CFSTR("org.winehq.builtin.bitmap"), import_bmp_to_bitmap, export_bitmap_to_bmp, FALSE },
{ CF_BITMAP, CFSTR("com.microsoft.bmp"), import_bmp_to_bitmap, export_bitmap_to_bmp, TRUE },
};
static const WCHAR wszRichTextFormat[] = {'R','i','c','h',' ','T','e','x','t',' ','F','o','r','m','a','t',0};
@ -452,6 +462,113 @@ static HANDLE convert_unicodetext_to_codepage(HANDLE unicode_handle, UINT cp)
}
/***********************************************************************
* bitmap_info_size
*
* Return the size of the bitmap info structure including color table.
*/
static int bitmap_info_size(const BITMAPINFO *info, WORD coloruse)
{
unsigned int colors, size, masks = 0;
if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
{
const BITMAPCOREHEADER *core = (const BITMAPCOREHEADER*)info;
colors = (core->bcBitCount <= 8) ? 1 << core->bcBitCount : 0;
return sizeof(BITMAPCOREHEADER) + colors *
((coloruse == DIB_RGB_COLORS) ? sizeof(RGBTRIPLE) : sizeof(WORD));
}
else /* assume BITMAPINFOHEADER */
{
colors = info->bmiHeader.biClrUsed;
if (!colors && (info->bmiHeader.biBitCount <= 8))
colors = 1 << info->bmiHeader.biBitCount;
if (info->bmiHeader.biCompression == BI_BITFIELDS) masks = 3;
size = max(info->bmiHeader.biSize, sizeof(BITMAPINFOHEADER) + masks * sizeof(DWORD));
return size + colors * ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBQUAD) : sizeof(WORD));
}
}
/***********************************************************************
* create_dib_from_bitmap
*
* Allocates a packed DIB and copies the bitmap data into it.
*/
static HGLOBAL create_dib_from_bitmap(HBITMAP hBmp)
{
BITMAP bmp;
HDC hdc;
HGLOBAL hPackedDIB;
LPBYTE pPackedDIB;
LPBITMAPINFOHEADER pbmiHeader;
unsigned int cDataSize, cPackedSize, OffsetBits;
int nLinesCopied;
if (!GetObjectW(hBmp, sizeof(bmp), &bmp)) return 0;
/*
* A packed DIB contains a BITMAPINFO structure followed immediately by
* an optional color palette and the pixel data.
*/
/* Calculate the size of the packed DIB */
cDataSize = abs(bmp.bmHeight) * (((bmp.bmWidth * bmp.bmBitsPixel + 31) / 8) & ~3);
cPackedSize = sizeof(BITMAPINFOHEADER)
+ ((bmp.bmBitsPixel <= 8) ? (sizeof(RGBQUAD) * (1 << bmp.bmBitsPixel)) : 0)
+ cDataSize;
/* Get the offset to the bits */
OffsetBits = cPackedSize - cDataSize;
/* Allocate the packed DIB */
TRACE("\tAllocating packed DIB of size %d\n", cPackedSize);
hPackedDIB = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, cPackedSize);
if (!hPackedDIB)
{
WARN("Could not allocate packed DIB!\n");
return 0;
}
/* A packed DIB starts with a BITMAPINFOHEADER */
pPackedDIB = GlobalLock(hPackedDIB);
pbmiHeader = (LPBITMAPINFOHEADER)pPackedDIB;
/* Init the BITMAPINFOHEADER */
pbmiHeader->biSize = sizeof(BITMAPINFOHEADER);
pbmiHeader->biWidth = bmp.bmWidth;
pbmiHeader->biHeight = bmp.bmHeight;
pbmiHeader->biPlanes = 1;
pbmiHeader->biBitCount = bmp.bmBitsPixel;
pbmiHeader->biCompression = BI_RGB;
pbmiHeader->biSizeImage = 0;
pbmiHeader->biXPelsPerMeter = pbmiHeader->biYPelsPerMeter = 0;
pbmiHeader->biClrUsed = 0;
pbmiHeader->biClrImportant = 0;
/* Retrieve the DIB bits from the bitmap and fill in the
* DIB color table if present */
hdc = GetDC(0);
nLinesCopied = GetDIBits(hdc, /* Handle to device context */
hBmp, /* Handle to bitmap */
0, /* First scan line to set in dest bitmap */
bmp.bmHeight, /* Number of scan lines to copy */
pPackedDIB + OffsetBits, /* [out] Address of array for bitmap bits */
(LPBITMAPINFO) pbmiHeader, /* [out] Address of BITMAPINFO structure */
0); /* RGB or palette index */
GlobalUnlock(hPackedDIB);
ReleaseDC(0, hdc);
/* Cleanup if GetDIBits failed */
if (nLinesCopied != bmp.bmHeight)
{
TRACE("\tGetDIBits returned %d. Actual lines=%d\n", nLinesCopied, bmp.bmHeight);
GlobalFree(hPackedDIB);
hPackedDIB = 0;
}
return hPackedDIB;
}
/**************************************************************************
* import_clipboard_data
*
@ -487,6 +604,72 @@ static HANDLE import_clipboard_data(CFDataRef data)
}
/**************************************************************************
* import_bmp_to_bitmap
*
* Import BMP data, converting to CF_BITMAP format.
*/
static HANDLE import_bmp_to_bitmap(CFDataRef data)
{
HANDLE ret = 0;
HANDLE dib = import_bmp_to_dib(data);
BITMAPINFO *bmi;
if (dib && (bmi = GlobalLock(dib)))
{
HDC hdc;
unsigned int offset;
hdc = GetDC(NULL);
offset = bitmap_info_size(bmi, DIB_RGB_COLORS);
ret = CreateDIBitmap(hdc, &bmi->bmiHeader, CBM_INIT, (LPBYTE)bmi + offset,
bmi, DIB_RGB_COLORS);
GlobalUnlock(dib);
ReleaseDC(NULL, hdc);
}
GlobalFree(dib);
return ret;
}
/**************************************************************************
* import_bmp_to_dib
*
* Import BMP data, converting to CF_DIB format. This just entails
* stripping the BMP file format header.
*/
static HANDLE import_bmp_to_dib(CFDataRef data)
{
HANDLE ret = 0;
BITMAPFILEHEADER *bfh = (BITMAPFILEHEADER*)CFDataGetBytePtr(data);
CFIndex len = CFDataGetLength(data);
if (len >= sizeof(*bfh) + sizeof(BITMAPCOREHEADER) &&
bfh->bfType == 0x4d42 /* "BM" */)
{
BITMAPINFO *bmi = (BITMAPINFO*)(bfh + 1);
BYTE* p;
len -= sizeof(*bfh);
ret = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, len);
if (!ret || !(p = GlobalLock(ret)))
{
GlobalFree(ret);
return 0;
}
memcpy(p, bmi, len);
GlobalUnlock(ret);
}
return ret;
}
/**************************************************************************
* import_oemtext_to_text
*
@ -657,6 +840,27 @@ static CFDataRef export_clipboard_data(HANDLE data)
}
/**************************************************************************
* export_bitmap_to_bmp
*
* Export CF_BITMAP to BMP file format.
*/
static CFDataRef export_bitmap_to_bmp(HANDLE data)
{
CFDataRef ret = NULL;
HGLOBAL dib;
dib = create_dib_from_bitmap(data);
if (dib)
{
ret = export_dib_to_bmp(dib);
GlobalFree(dib);
}
return ret;
}
/**************************************************************************
* export_codepage_to_utf8
*
@ -681,6 +885,44 @@ static CFDataRef export_codepage_to_utf8(HANDLE data, UINT cp)
}
/**************************************************************************
* export_dib_to_bmp
*
* Export CF_DIB to BMP file format. This just entails prepending a BMP
* file format header to the data.
*/
static CFDataRef export_dib_to_bmp(HANDLE data)
{
CFMutableDataRef ret = NULL;
BYTE *dibdata;
CFIndex len;
BITMAPFILEHEADER bfh;
dibdata = GlobalLock(data);
if (!dibdata)
return NULL;
len = sizeof(bfh) + GlobalSize(data);
ret = CFDataCreateMutable(NULL, len);
if (ret)
{
bfh.bfType = 0x4d42; /* "BM" */
bfh.bfSize = len;
bfh.bfReserved1 = 0;
bfh.bfReserved2 = 0;
bfh.bfOffBits = sizeof(bfh) + bitmap_info_size((BITMAPINFO*)dibdata, DIB_RGB_COLORS);
CFDataAppendBytes(ret, (UInt8*)&bfh, sizeof(bfh));
/* rest of bitmap is the same as the packed dib */
CFDataAppendBytes(ret, (UInt8*)dibdata, len - sizeof(bfh));
}
GlobalUnlock(data);
return ret;
}
/**************************************************************************
* export_oemtext_to_utf8
*