void EMFRecordEditorFrame::GetRecordListFromFile()
{
HENHMETAFILE hMeta = ReadEnhMetaFile(m_file.GetFullPath(), GetHwnd());
if (!hMeta)
return;
// get meta header
if (GetEnhMetaFileHeader(hMeta, sizeof(g_hMetaHeader), &g_hMetaHeader) !=
sizeof(ENHMETAHEADER))
return;
// init data touched by the callback
FreeEMFStuff();
g_pHandleTable = NULL;
g_nHandles = 0;
g_pMetaRecords = NULL;
g_nRecords = 0;
g_nRecordsMax = 0;
m_pList->DeleteAllItems();
// get the list of meta records
EnumEnhMetaFile( NULL,
hMeta,
(ENHMFENUMPROC)EnumEnhMetafileProc,
(LPVOID)m_pList,
NULL );
DeleteEnhMetaFile(hMeta);
// update GUI
m_pList->SetColumnWidth(0, wxLIST_AUTOSIZE);
m_pList->SetColumnWidth(1, wxLIST_AUTOSIZE);
SetStatusText(wxString::Format(wxT("%d records"), g_nRecords), 2);
}
void EMFPreviewWindow::DrawEMF(const wxString &file)
{
m_meta = ReadEnhMetaFile(file.c_str(), GetHwnd());
Refresh();
}
static Image *ReadEMFImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
BITMAPINFO
DIBinfo;
HBITMAP
hBitmap,
hOldBitmap;
HDC
hDC;
HENHMETAFILE
hemf;
Image
*image;
long
height,
width,
y;
RECT
rect;
register long
x;
register PixelPacket
*q;
RGBQUAD
*pBits,
*ppBits;
image=AcquireImage(image_info);
hemf=ReadEnhMetaFile(image_info->filename,&width,&height);
if (hemf == (HENHMETAFILE) NULL)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if ((image->columns == 0) || (image->rows == 0))
{
double
y_resolution,
x_resolution;
y_resolution=DefaultResolution;
x_resolution=DefaultResolution;
if (image->y_resolution > 0)
{
y_resolution=image->y_resolution;
if (image->units == PixelsPerCentimeterResolution)
y_resolution*=CENTIMETERS_INCH;
}
if (image->x_resolution > 0)
{
x_resolution=image->x_resolution;
if (image->units == PixelsPerCentimeterResolution)
x_resolution*=CENTIMETERS_INCH;
}
image->rows=(unsigned long) ((height/1000.0/CENTIMETERS_INCH)*
y_resolution+0.5);
image->columns=(unsigned long) ((width/1000.0/CENTIMETERS_INCH)*
x_resolution+0.5);
}
if (image_info->size != (char *) NULL)
{
long
x;
image->columns=width;
image->rows=height;
x=0;
y=0;
(void) GetGeometry(image_info->size,&x,&y,&image->columns,&image->rows);
}
if (image_info->page != (char *) NULL)
{
char
*geometry;
long
sans;
register char
*p;
MagickStatusType
flags;
geometry=GetPageGeometry(image_info->page);
p=strchr(geometry,'>');
if (p == (char *) NULL)
{
flags=ParseMetaGeometry(geometry,&sans,&sans,&image->columns,
&image->rows);
if (image->x_resolution != 0.0)
image->columns=(unsigned long) ((image->columns*
image->x_resolution)+0.5);
if (image->y_resolution != 0.0)
image->rows=(unsigned long) ((image->rows*image->y_resolution)+0.5);
}
else
{
*p='\0';
flags=ParseMetaGeometry(geometry,&sans,&sans,&image->columns,
&image->rows);
if (image->x_resolution != 0.0)
image->columns=(unsigned long) (((image->columns*
image->x_resolution)/DefaultResolution)+0.5);
if (image->y_resolution != 0.0)
image->rows=(unsigned long) (((image->rows*image->y_resolution)/
DefaultResolution)+0.5);
}
geometry=DestroyString(geometry);
}
hDC=GetDC(NULL);
if (hDC == (HDC) NULL)
{
DeleteEnhMetaFile(hemf);
ThrowReaderException(ResourceLimitError,"UnableToCreateADC");
}
/*
Initialize the bitmap header info.
*/
(void) ResetMagickMemory(&DIBinfo,0,sizeof(BITMAPINFO));
DIBinfo.bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
DIBinfo.bmiHeader.biWidth=image->columns;
DIBinfo.bmiHeader.biHeight=(-1)*image->rows;
DIBinfo.bmiHeader.biPlanes=1;
DIBinfo.bmiHeader.biBitCount=32;
DIBinfo.bmiHeader.biCompression=BI_RGB;
hBitmap=CreateDIBSection(hDC,&DIBinfo,DIB_RGB_COLORS,(void **) &ppBits,
NULL,0);
ReleaseDC(NULL,hDC);
if (hBitmap == (HBITMAP) NULL)
{
DeleteEnhMetaFile(hemf);
ThrowReaderException(ResourceLimitError,"UnableToCreateBitmap");
}
hDC=CreateCompatibleDC(NULL);
if (hDC == (HDC) NULL)
{
DeleteEnhMetaFile(hemf);
DeleteObject(hBitmap);
ThrowReaderException(ResourceLimitError,"UnableToCreateADC");
}
hOldBitmap=(HBITMAP) SelectObject(hDC,hBitmap);
if (hOldBitmap == (HBITMAP) NULL)
{
DeleteEnhMetaFile(hemf);
DeleteDC(hDC);
DeleteObject(hBitmap);
ThrowReaderException(ResourceLimitError,"UnableToCreateBitmap");
}
/*
Initialize the bitmap to the image background color.
*/
pBits=ppBits;
for (y=0; y < (long) image->rows; y++)
{
for (x=0; x < (long) image->columns; x++)
{
pBits->rgbRed=ScaleQuantumToChar(image->background_color.red);
pBits->rgbGreen=ScaleQuantumToChar(image->background_color.green);
pBits->rgbBlue=ScaleQuantumToChar(image->background_color.blue);
pBits++;
}
}
rect.top=0;
rect.left=0;
rect.right=image->columns;
rect.bottom=image->rows;
/*
Convert metafile pixels.
*/
PlayEnhMetaFile(hDC,hemf,&rect);
pBits=ppBits;
for (y=0; y < (long) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (long) image->columns; x++)
{
q->red=ScaleCharToQuantum(pBits->rgbRed);
q->green=ScaleCharToQuantum(pBits->rgbGreen);
q->blue=ScaleCharToQuantum(pBits->rgbBlue);
q->opacity=OpaqueOpacity;
pBits++;
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
DeleteEnhMetaFile(hemf);
SelectObject(hDC,hOldBitmap);
DeleteDC(hDC);
DeleteObject(hBitmap);
return(GetFirstImageInList(image));
}
static Image *ReadEMFImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
BITMAPINFO
DIBinfo;
HBITMAP
hBitmap,
hOldBitmap;
HDC
hDC;
HENHMETAFILE
hemf;
Image
*image;
long
height,
width,
y;
RECT
rect;
register long
x;
register PixelPacket
*q;
RGBQUAD
*pBits,
*ppBits;
image=AllocateImage(image_info);
hemf=ReadEnhMetaFile(image_info->filename,&width,&height);
if (!hemf)
ThrowReaderException(CorruptImageError,ImproperImageHeader,image);
if ((image->columns == 0) || (image->rows == 0))
{
double
y_resolution = 72.0,
x_resolution = 72.0;
if (image->y_resolution > 0)
{
y_resolution=image->y_resolution;
if (image->units == PixelsPerCentimeterResolution)
y_resolution*=CENTIMETERS_INCH;
}
if (image->x_resolution > 0)
{
x_resolution=image->x_resolution;
if (image->units == PixelsPerCentimeterResolution)
x_resolution*=CENTIMETERS_INCH;
}
image->rows=ceil((height*CENTIMETERS_INCH)/1000*y_resolution);
image->columns=ceil((width*CENTIMETERS_INCH)/1000*x_resolution);
}
if (image_info->size != (char *) NULL)
{
long
x;
image->columns=width;
image->rows=height;
x=0;
y=0;
(void) GetGeometry(image_info->size,&x,&y,&image->columns,&image->rows);
}
if (image_info->page != (char *) NULL)
{
char
*geometry;
long
sans;
register char
*p;
/* unsigned int */
/* flags; */
geometry=GetPageGeometry(image_info->page);
p=strchr(geometry,'>');
if (!p)
{
/*flags=*/ (void) GetMagickGeometry(geometry,&sans,&sans,&image->columns,
&image->rows);
if (image->x_resolution != 0.0)
image->columns=(unsigned int)
((image->columns*image->x_resolution)+0.5);
if (image->y_resolution != 0.0)
image->rows=(unsigned int)
((image->rows*image->y_resolution)+0.5);
}
else
{
*p='\0';
/*flags=*/ (void) GetMagickGeometry(geometry,&sans,&sans,&image->columns,
&image->rows);
if (image->x_resolution != 0.0)
image->columns=(unsigned int)
(((image->columns*image->x_resolution)/72.0)+0.5);
if (image->y_resolution != 0.0)
image->rows=(unsigned int)
(((image->rows*image->y_resolution)/72.0)+0.5);
}
MagickFreeMemory(geometry);
}
hDC=GetDC(NULL);
if (!hDC)
ThrowReaderException(CoderError,UnableToCreateADC,image);
/*
Initialize the bitmap header info.
*/
(void) memset(&DIBinfo,0,sizeof(BITMAPINFO));
DIBinfo.bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
DIBinfo.bmiHeader.biWidth=image->columns;
DIBinfo.bmiHeader.biHeight=(-1)*image->rows;
DIBinfo.bmiHeader.biPlanes=1;
DIBinfo.bmiHeader.biBitCount=32;
DIBinfo.bmiHeader.biCompression=BI_RGB;
hBitmap=
CreateDIBSection(hDC,&DIBinfo,DIB_RGB_COLORS,(void **) &ppBits,NULL,0);
ReleaseDC(NULL,hDC);
if (!hBitmap)
ThrowReaderException(CoderError,UnableToCreateBitmap,image);
hDC=CreateCompatibleDC(NULL);
if (!hDC)
{
DeleteObject(hBitmap);
ThrowReaderException(CoderError,UnableToCreateADC,image);
}
hOldBitmap=(HBITMAP) SelectObject(hDC,hBitmap);
if (!hOldBitmap)
{
DeleteDC(hDC);
DeleteObject(hBitmap);
ThrowReaderException(CoderError,UnableToCreateBitmap,image);
}
/*
Initialize the bitmap to the image background color.
*/
pBits=ppBits;
for (y=0; y < (long) image->rows; y++)
{
for (x=0; x < (long) image->columns; x++)
{
pBits->rgbRed=ScaleQuantumToChar(image->background_color.red);
pBits->rgbGreen=ScaleQuantumToChar(image->background_color.green);
pBits->rgbBlue=ScaleQuantumToChar(image->background_color.blue);
pBits++;
}
}
rect.top=0;
rect.left=0;
rect.right=image->columns;
rect.bottom=image->rows;
/*
Convert metafile pixels.
*/
PlayEnhMetaFile(hDC,hemf,&rect);
pBits=ppBits;
for (y=0; y < (long) image->rows; y++)
{
q=SetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (long) image->columns; x++)
{
q->red=ScaleCharToQuantum(pBits->rgbRed);
q->green=ScaleCharToQuantum(pBits->rgbGreen);
q->blue=ScaleCharToQuantum(pBits->rgbBlue);
q->opacity=OpaqueOpacity;
pBits++;
q++;
}
if (!SyncImagePixels(image))
break;
}
if (hemf)
DeleteEnhMetaFile(hemf);
SelectObject(hDC,hOldBitmap);
DeleteDC(hDC);
DeleteObject(hBitmap);
return(image);
}
