411 lines
11 KiB
C
411 lines
11 KiB
C
/*
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* Copyright (C) 2011 Vincent Povirk for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <math.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "wine/unicode.h"
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#define COBJMACROS
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#include "objbase.h"
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#include "ocidl.h"
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#include "olectl.h"
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#include "ole2.h"
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#include "winreg.h"
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#include "shlwapi.h"
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#include "gdiplus.h"
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#include "gdiplus_private.h"
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#include "wine/debug.h"
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#include "wine/list.h"
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WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
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typedef struct EmfPlusRecordHeader
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{
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WORD Type;
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WORD Flags;
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DWORD Size;
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DWORD DataSize;
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} EmfPlusRecordHeader;
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typedef struct EmfPlusHeader
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{
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EmfPlusRecordHeader Header;
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DWORD Version;
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DWORD EmfPlusFlags;
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DWORD LogicalDpiX;
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DWORD LogicalDpiY;
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} EmfPlusHeader;
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static GpStatus METAFILE_AllocateRecord(GpMetafile *metafile, DWORD size, void **result)
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{
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DWORD size_needed;
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EmfPlusRecordHeader *record;
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if (!metafile->comment_data_size)
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{
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DWORD data_size = max(256, size * 2 + 4);
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metafile->comment_data = GdipAlloc(data_size);
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if (!metafile->comment_data)
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return OutOfMemory;
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memcpy(metafile->comment_data, "EMF+", 4);
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metafile->comment_data_size = data_size;
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metafile->comment_data_length = 4;
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}
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size_needed = size + metafile->comment_data_length;
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if (size_needed > metafile->comment_data_size)
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{
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DWORD data_size = size_needed * 2;
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BYTE *new_data = GdipAlloc(data_size);
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if (!new_data)
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return OutOfMemory;
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memcpy(new_data, metafile->comment_data, metafile->comment_data_length);
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metafile->comment_data_size = data_size;
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GdipFree(metafile->comment_data);
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metafile->comment_data = new_data;
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}
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*result = metafile->comment_data + metafile->comment_data_length;
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metafile->comment_data_length += size;
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record = (EmfPlusRecordHeader*)*result;
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record->Size = size;
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record->DataSize = size - sizeof(EmfPlusRecordHeader);
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return Ok;
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}
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static void METAFILE_WriteRecords(GpMetafile *metafile)
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{
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if (metafile->comment_data_length > 4)
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{
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GdiComment(metafile->record_dc, metafile->comment_data_length, metafile->comment_data);
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metafile->comment_data_length = 4;
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}
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}
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static GpStatus METAFILE_WriteHeader(GpMetafile *metafile, HDC hdc)
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{
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GpStatus stat;
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if (metafile->metafile_type == MetafileTypeEmfPlusOnly || metafile->metafile_type == MetafileTypeEmfPlusDual)
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{
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EmfPlusHeader *header;
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stat = METAFILE_AllocateRecord(metafile, sizeof(EmfPlusHeader), (void**)&header);
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if (stat != Ok)
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return stat;
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header->Header.Type = EmfPlusRecordTypeHeader;
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if (metafile->metafile_type == MetafileTypeEmfPlusDual)
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header->Header.Flags = 1;
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else
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header->Header.Flags = 0;
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header->Version = 0xDBC01002;
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if (GetDeviceCaps(hdc, TECHNOLOGY) == DT_RASDISPLAY)
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header->EmfPlusFlags = 1;
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else
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header->EmfPlusFlags = 0;
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header->LogicalDpiX = GetDeviceCaps(hdc, LOGPIXELSX);
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header->LogicalDpiY = GetDeviceCaps(hdc, LOGPIXELSY);
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METAFILE_WriteRecords(metafile);
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}
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return Ok;
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}
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static GpStatus METAFILE_WriteEndOfFile(GpMetafile *metafile)
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{
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GpStatus stat;
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if (metafile->metafile_type == MetafileTypeEmfPlusOnly || metafile->metafile_type == MetafileTypeEmfPlusDual)
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{
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EmfPlusRecordHeader *record;
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stat = METAFILE_AllocateRecord(metafile, sizeof(EmfPlusRecordHeader), (void**)&record);
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if (stat != Ok)
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return stat;
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record->Type = EmfPlusRecordTypeEndOfFile;
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record->Flags = 0;
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METAFILE_WriteRecords(metafile);
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}
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return Ok;
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}
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GpStatus WINGDIPAPI GdipRecordMetafile(HDC hdc, EmfType type, GDIPCONST GpRectF *frameRect,
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MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
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{
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HDC record_dc;
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REAL framerect_factor_x, framerect_factor_y;
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RECT rc;
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GpStatus stat;
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TRACE("(%p %d %p %d %p %p)\n", hdc, type, frameRect, frameUnit, desc, metafile);
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if (!hdc || type < EmfTypeEmfOnly || type > EmfTypeEmfPlusDual || !metafile)
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return InvalidParameter;
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if (!frameRect)
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{
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FIXME("not implemented for NULL rect\n");
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return NotImplemented;
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}
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switch (frameUnit)
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{
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case MetafileFrameUnitPixel:
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framerect_factor_x = 2540.0 / GetDeviceCaps(hdc, LOGPIXELSX);
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framerect_factor_y = 2540.0 / GetDeviceCaps(hdc, LOGPIXELSY);
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break;
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case MetafileFrameUnitPoint:
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framerect_factor_x = framerect_factor_y = 2540.0 / 72.0;
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break;
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case MetafileFrameUnitInch:
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framerect_factor_x = framerect_factor_y = 2540.0;
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break;
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case MetafileFrameUnitDocument:
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framerect_factor_x = framerect_factor_y = 2540.0 / 300.0;
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break;
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case MetafileFrameUnitMillimeter:
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framerect_factor_x = framerect_factor_y = 100.0;
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break;
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case MetafileFrameUnitGdi:
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framerect_factor_x = framerect_factor_y = 1.0;
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break;
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default:
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return InvalidParameter;
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}
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rc.left = framerect_factor_x * frameRect->X;
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rc.top = framerect_factor_y * frameRect->Y;
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rc.right = rc.left + framerect_factor_x * frameRect->Width;
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rc.bottom = rc.top + framerect_factor_y * frameRect->Height;
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record_dc = CreateEnhMetaFileW(hdc, NULL, &rc, desc);
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if (!record_dc)
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return GenericError;
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*metafile = GdipAlloc(sizeof(GpMetafile));
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if(!*metafile)
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{
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DeleteEnhMetaFile(CloseEnhMetaFile(record_dc));
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return OutOfMemory;
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}
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(*metafile)->image.type = ImageTypeMetafile;
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(*metafile)->image.picture = NULL;
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(*metafile)->image.flags = ImageFlagsNone;
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(*metafile)->image.palette_flags = 0;
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(*metafile)->image.palette_count = 0;
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(*metafile)->image.palette_size = 0;
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(*metafile)->image.palette_entries = NULL;
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(*metafile)->bounds = *frameRect;
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(*metafile)->unit = frameUnit;
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(*metafile)->metafile_type = type;
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(*metafile)->record_dc = record_dc;
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(*metafile)->comment_data = NULL;
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(*metafile)->comment_data_size = 0;
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(*metafile)->comment_data_length = 0;
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(*metafile)->hemf = NULL;
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stat = METAFILE_WriteHeader(*metafile, hdc);
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if (stat != Ok)
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{
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DeleteEnhMetaFile(CloseEnhMetaFile(record_dc));
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GdipFree(*metafile);
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*metafile = NULL;
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return OutOfMemory;
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}
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return stat;
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}
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/*****************************************************************************
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* GdipRecordMetafileI [GDIPLUS.@]
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*/
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GpStatus WINGDIPAPI GdipRecordMetafileI(HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
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MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
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{
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GpRectF frameRectF, *pFrameRectF;
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TRACE("(%p %d %p %d %p %p)\n", hdc, type, frameRect, frameUnit, desc, metafile);
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if (frameRect)
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{
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frameRectF.X = frameRect->X;
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frameRectF.Y = frameRect->Y;
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frameRectF.Width = frameRect->Width;
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frameRectF.Height = frameRect->Height;
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pFrameRectF = &frameRectF;
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}
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else
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pFrameRectF = NULL;
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return GdipRecordMetafile(hdc, type, pFrameRectF, frameUnit, desc, metafile);
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}
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GpStatus METAFILE_GetGraphicsContext(GpMetafile* metafile, GpGraphics **result)
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{
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GpStatus stat;
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if (!metafile->record_dc || metafile->record_graphics)
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return InvalidParameter;
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stat = graphics_from_image((GpImage*)metafile, &metafile->record_graphics);
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if (stat == Ok)
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*result = metafile->record_graphics;
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return stat;
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}
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GpStatus METAFILE_GraphicsDeleted(GpMetafile* metafile)
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{
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GpStatus stat;
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stat = METAFILE_WriteEndOfFile(metafile);
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metafile->record_graphics = NULL;
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metafile->hemf = CloseEnhMetaFile(metafile->record_dc);
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metafile->record_dc = NULL;
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GdipFree(metafile->comment_data);
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metafile->comment_data = NULL;
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metafile->comment_data_size = 0;
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return stat;
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}
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GpStatus WINGDIPAPI GdipGetHemfFromMetafile(GpMetafile *metafile, HENHMETAFILE *hEmf)
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{
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TRACE("(%p,%p)\n", metafile, hEmf);
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if (!metafile || !hEmf || !metafile->hemf)
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return InvalidParameter;
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*hEmf = metafile->hemf;
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metafile->hemf = NULL;
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return Ok;
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}
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struct enum_metafile_data
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{
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EnumerateMetafileProc callback;
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void *callback_data;
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};
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static int CALLBACK enum_metafile_proc(HDC hDC, HANDLETABLE *lpHTable, const ENHMETARECORD *lpEMFR,
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int nObj, LPARAM lpData)
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{
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BOOL ret;
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struct enum_metafile_data *data = (struct enum_metafile_data*)lpData;
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const BYTE* pStr;
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/* First check for an EMF+ record. */
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if (lpEMFR->iType == EMR_GDICOMMENT)
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{
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const EMRGDICOMMENT *comment = (const EMRGDICOMMENT*)lpEMFR;
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if (comment->cbData >= 4 && memcmp(comment->Data, "EMF+", 4) == 0)
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{
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int offset = 4;
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while (offset + sizeof(EmfPlusRecordHeader) <= comment->cbData)
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{
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const EmfPlusRecordHeader *record = (const EmfPlusRecordHeader*)&comment->Data[offset];
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if (record->DataSize)
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pStr = (const BYTE*)(record+1);
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else
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pStr = NULL;
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ret = data->callback(record->Type, record->Flags, record->DataSize,
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pStr, data->callback_data);
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if (!ret)
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return 0;
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offset += record->Size;
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}
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return 1;
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}
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}
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if (lpEMFR->nSize != 8)
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pStr = (const BYTE*)lpEMFR->dParm;
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else
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pStr = NULL;
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return data->callback(lpEMFR->iType, 0, lpEMFR->nSize-8,
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pStr, data->callback_data);
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}
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GpStatus WINGDIPAPI GdipEnumerateMetafileSrcRectDestPoints(GpGraphics *graphics,
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GDIPCONST GpMetafile *metafile, GDIPCONST GpPointF *destPoints, INT count,
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GDIPCONST GpRectF *srcRect, Unit srcUnit, EnumerateMetafileProc callback,
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VOID *callbackData, GDIPCONST GpImageAttributes *imageAttributes)
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{
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struct enum_metafile_data data;
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TRACE("(%p,%p,%p,%i,%p,%i,%p,%p,%p)\n", graphics, metafile,
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destPoints, count, srcRect, srcUnit, callback, callbackData,
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imageAttributes);
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if (!graphics || !metafile || !destPoints || count != 3 || !srcRect)
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return InvalidParameter;
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if (!metafile->hemf)
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return InvalidParameter;
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TRACE("%s %i -> %s %s %s\n", debugstr_rectf(srcRect), srcUnit,
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debugstr_pointf(&destPoints[0]), debugstr_pointf(&destPoints[1]),
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debugstr_pointf(&destPoints[2]));
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data.callback = callback;
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data.callback_data = callbackData;
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EnumEnhMetaFile(0, metafile->hemf, enum_metafile_proc, &data, NULL);
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return Ok;
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}
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