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// File: AlienImage.cxx
// Created: 21-OCT-1998
// Author: DCB
// Copyright: Matra Datavision 1998
#include <AlienImage.hxx>
#include <OSD_Path.hxx>
#include <OSD_File.hxx>
#include <OSD_Protection.hxx>
#include <OSD_Environment.hxx>
#include <Image_Image.hxx>
#include <AlienImage_AlienUserImage.hxx>
#include <AlienImage_XAlienImage.hxx>
#include <AlienImage_SGIRGBAlienImage.hxx>
#include <AlienImage_EuclidAlienImage.hxx>
#include <AlienImage_SunRFAlienImage.hxx>
#include <AlienImage_GIFAlienImage.hxx>
#include <AlienImage_BMPAlienImage.hxx>
//====================================================================
static OSD_Environment& _CSF_DefaultImageFormat() {
static OSD_Environment CSF_DefaultImageFormat("CSF_DefaultImageFormat");
return CSF_DefaultImageFormat;
}
#define CSF_DefaultImageFormat _CSF_DefaultImageFormat()
//====================================================================
Standard_Boolean AlienImage::CreateImage (const TCollection_AsciiString& theFileName,
Handle(Image_Image)& theImage)
{
OSD_File file = OSD_File (OSD_Path (theFileName));
return AlienImage::CreateImage (file, theImage);
}
//====================================================================
Standard_Boolean AlienImage::CreateImage (const Standard_CString theFileName,
Handle(Image_Image)& theImage)
{
OSD_File file = OSD_File (OSD_Path (TCollection_AsciiString (theFileName)));
return AlienImage::CreateImage (file, theImage);
}
//====================================================================
Standard_Boolean AlienImage::CreateImage (OSD_File& theFile,
Handle(Image_Image)& theImage)
{
OSD_Protection theProtection (OSD_R, OSD_R, OSD_R, OSD_R);
OSD_Path thePath;
theFile.Path (thePath);
TCollection_AsciiString theExtension = thePath.Extension();
theExtension.UpperCase ();
Handle(AlienImage_AlienUserImage) theAlienImage;
theFile.Open (OSD_ReadOnly, theProtection);
if (theFile.IsOpen()) {
if (theExtension.IsEqual (".XWD"))
_CreateXWD:
theAlienImage = new AlienImage_XAlienImage ();
else if (theExtension.IsEqual (".RGB"))
_CreateRGB:
theAlienImage = new AlienImage_SGIRGBAlienImage ();
else if (theExtension.IsEqual (".RS"))
_CreateRS:
theAlienImage = new AlienImage_SunRFAlienImage ();
else if (theExtension.IsEqual (".PIX"))
_CreatePIX:
theAlienImage = new AlienImage_EuclidAlienImage ();
else if (theExtension.IsEqual (".GIF"))
_CreateGIF:
theAlienImage = new AlienImage_GIFAlienImage ();
else if (theExtension.IsEqual (".BMP"))
_CreateBMP:
theAlienImage = new AlienImage_BMPAlienImage ();
else if (theExtension.IsEmpty ()) {
// Trye to read $CSF_DefaultImageFormat environment
TCollection_AsciiString theDefExt = CSF_DefaultImageFormat.Value();
theDefExt.Prepend (".");
thePath.SetExtension (theDefExt);
theExtension = theDefExt;
theExtension.UpperCase ();
if (theExtension.IsEqual (".XWD")) goto _CreateXWD;
else if (theExtension.IsEqual (".RGB")) goto _CreateRGB;
else if (theExtension.IsEqual (".RS")) goto _CreateRS;
else if (theExtension.IsEqual (".PIX")) goto _CreatePIX;
else if (theExtension.IsEqual (".GIF")) goto _CreateGIF;
else if (theExtension.IsEqual (".BMP")) goto _CreateBMP;
else return Standard_False;
} else {
return Standard_False;
}
if (!theAlienImage -> Read (theFile)) {
theFile.Close ();
return Standard_False;
}
theImage = theAlienImage -> ToImage ();
theFile.Close ();
return (!theImage.IsNull());
}
return Standard_False;
}
//====================================================================
Standard_Boolean AlienImage::LoadImageFile(const Standard_CString anImageFile,
Handle(Image_Image)& myImage,
Standard_Integer& aWidth,
Standard_Integer& aHeight)
{
// Try to load new image
myImage.Nullify ();
if (AlienImage::CreateImage (anImageFile, myImage)) {
// New image loaded
//_ExitOK:
aWidth = myImage -> Width ();
aHeight = myImage -> Height ();
return Standard_True;
} else {
// Could not load new image
//_ExitError:
myImage.Nullify ();
aWidth = aHeight = 0;
return Standard_False;
}
}
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