Sweden-Number/tools/winedump/mf.c

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/*
* Dump a Windows Metafile
*
* Copyright 2021 Zhiyi Zhang 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 "config.h"
#include "winedump.h"
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#define META_EOF 0
#define METAFILE_MEMORY 1
#define METAFILE_DISK 2
static unsigned offset = 0;
static unsigned short read_word(const unsigned char *buffer)
{
return buffer[0] + (buffer[1] << 8);
}
static unsigned int read_int(const unsigned char *buffer)
{
return buffer[0] + (buffer[1] << 8) + (buffer[2] << 16) + (buffer[3] << 24);
}
static int dump_mfrecord(void)
{
unsigned int type, size, i;
const unsigned char *ptr;
ptr = PRD(offset, 6);
if (!ptr)
return -1;
/* METAHEADER */
if (offset == 0)
{
type = read_word(ptr);
/* mtHeaderSize is in words */
size = read_word(ptr + 2) * 2;
}
/* METARECORD */
else
{
/* rdSize is in words */
size = read_int(ptr) * 2;
type = read_word(ptr + 4);
}
#define MRCASE(x) \
case x: \
printf("%-20s %08x\n", #x, size); \
break
switch (type)
{
case METAFILE_MEMORY:
case METAFILE_DISK:
{
const METAHEADER *header = PRD(offset, sizeof(*header));
printf("%-20s %08x\n", "METAHEADER", size);
printf("type %d header_size %#x version %#x size %#x object_count %d max_record_size %#x "
"parameter_count %d\n",
header->mtType, header->mtHeaderSize * 2, header->mtVersion, (UINT)header->mtSize * 2,
header->mtNoObjects, (UINT)header->mtMaxRecord * 2, header->mtNoParameters);
break;
}
MRCASE(META_SETBKCOLOR);
MRCASE(META_SETBKMODE);
MRCASE(META_SETMAPMODE);
MRCASE(META_SETROP2);
MRCASE(META_SETRELABS);
MRCASE(META_SETPOLYFILLMODE);
MRCASE(META_SETSTRETCHBLTMODE);
MRCASE(META_SETTEXTCHAREXTRA);
MRCASE(META_SETTEXTCOLOR);
MRCASE(META_SETTEXTJUSTIFICATION);
MRCASE(META_SETWINDOWORG);
MRCASE(META_SETWINDOWEXT);
MRCASE(META_SETVIEWPORTORG);
MRCASE(META_SETVIEWPORTEXT);
MRCASE(META_OFFSETWINDOWORG);
MRCASE(META_SCALEWINDOWEXT);
MRCASE(META_OFFSETVIEWPORTORG);
MRCASE(META_SCALEVIEWPORTEXT);
MRCASE(META_LINETO);
MRCASE(META_MOVETO);
MRCASE(META_EXCLUDECLIPRECT);
MRCASE(META_INTERSECTCLIPRECT);
MRCASE(META_ARC);
MRCASE(META_ELLIPSE);
MRCASE(META_FLOODFILL);
MRCASE(META_PIE);
MRCASE(META_RECTANGLE);
MRCASE(META_ROUNDRECT);
MRCASE(META_PATBLT);
MRCASE(META_SAVEDC);
MRCASE(META_SETPIXEL);
MRCASE(META_OFFSETCLIPRGN);
MRCASE(META_TEXTOUT);
MRCASE(META_BITBLT);
MRCASE(META_STRETCHBLT);
MRCASE(META_POLYGON);
MRCASE(META_POLYLINE);
MRCASE(META_ESCAPE);
MRCASE(META_RESTOREDC);
MRCASE(META_FILLREGION);
MRCASE(META_FRAMEREGION);
MRCASE(META_INVERTREGION);
MRCASE(META_PAINTREGION);
MRCASE(META_SELECTCLIPREGION);
MRCASE(META_SELECTOBJECT);
MRCASE(META_SETTEXTALIGN);
MRCASE(META_DRAWTEXT);
MRCASE(META_CHORD);
MRCASE(META_SETMAPPERFLAGS);
MRCASE(META_EXTTEXTOUT);
MRCASE(META_SETDIBTODEV);
MRCASE(META_SELECTPALETTE);
MRCASE(META_REALIZEPALETTE);
MRCASE(META_ANIMATEPALETTE);
MRCASE(META_SETPALENTRIES);
MRCASE(META_POLYPOLYGON);
MRCASE(META_RESIZEPALETTE);
MRCASE(META_DIBBITBLT);
MRCASE(META_DIBSTRETCHBLT);
MRCASE(META_DIBCREATEPATTERNBRUSH);
MRCASE(META_STRETCHDIB);
MRCASE(META_EXTFLOODFILL);
MRCASE(META_RESETDC);
MRCASE(META_STARTDOC);
MRCASE(META_STARTPAGE);
MRCASE(META_ENDPAGE);
MRCASE(META_ABORTDOC);
MRCASE(META_ENDDOC);
MRCASE(META_SETLAYOUT);
MRCASE(META_DELETEOBJECT);
MRCASE(META_CREATEPALETTE);
MRCASE(META_CREATEBRUSH);
MRCASE(META_CREATEPATTERNBRUSH);
MRCASE(META_CREATEPENINDIRECT);
MRCASE(META_CREATEFONTINDIRECT);
MRCASE(META_CREATEBRUSHINDIRECT);
MRCASE(META_CREATEBITMAPINDIRECT);
MRCASE(META_CREATEBITMAP);
MRCASE(META_CREATEREGION);
MRCASE(META_UNKNOWN);
MRCASE(META_EOF);
default:
printf("%u %08x\n", type, size);
break;
}
#undef MRCASE
if ((size < 6) || (size % 2))
return -1;
/* METARECORD */
if (offset)
{
size -= 6;
offset += 6;
}
for (i = 0; i < size; i += 2)
{
if (i % 16 == 0)
printf(" ");
if (!(ptr = PRD(offset, 2)))
return -1;
offset += 2;
printf("%04x ", read_word(ptr));
if ((i % 16 == 14) || (i + 2 == size))
printf("\n");
}
return 0;
}
enum FileSig get_kind_mf(void)
{
const METAHEADER *hdr;
hdr = PRD(0, sizeof(*hdr));
if (hdr && (hdr->mtType == METAFILE_MEMORY || hdr->mtType == METAFILE_DISK)
&& hdr->mtHeaderSize == sizeof(METAHEADER) / sizeof(WORD)
&& (hdr->mtVersion == 0x0100 || hdr->mtVersion == 0x0300))
return SIG_MF;
return SIG_UNKNOWN;
}
void mf_dump(void)
{
offset = 0;
while (!dump_mfrecord())
;
}