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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
// .NAME Test of WriteToMemory flag for PNG/JPEG/BMP Writers
// .SECTION Description
//
#include "vtkTestUtilities.h"
#include <vtkBMPReader.h>
#include <vtkBMPWriter.h>
#include <vtkImageCanvasSource2D.h>
#include <vtkImageCast.h>
#include <vtkImageViewer.h>
#include <vtkJPEGReader.h>
#include <vtkJPEGWriter.h>
#include <vtkPNGReader.h>
#include <vtkPNGWriter.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkSmartPointer.h>
#include <vtksys/SystemTools.hxx>
int TestWriteToUnicodeFile(int argc, char* argv[])
{
if (argc <= 1)
{
cout << "Usage: " << argv[0] << " <output file name>" << endl;
return EXIT_FAILURE;
}
const char* tdir =
vtkTestUtilities::GetArgOrEnvOrDefault("-T", argc, argv, "VTK_TEMP_DIR", "Testing/Temporary");
std::string tempDir = tdir;
delete[] tdir;
if (tempDir.empty())
{
std::cout << "Could not determine temporary directory.\n";
return EXIT_FAILURE;
}
tempDir = tempDir + "/" +
"\xc3\xba\xce\xae\xd1\x97\xc3\xa7\xe1\xbb\x99\xe2\x82\xab\xe2\x84\xae"; // u8"úήїçộ₫℮"
if (!vtksys::SystemTools::FileExists(tempDir))
{
vtksys::SystemTools::MakeDirectory(tempDir);
}
std::string filename = tempDir + "/" + "\xef\xbd\xb7\xef\xbe\x80"; // u8"ｷﾀ"
filename.append(argv[1]);
size_t dotpos = filename.find_last_of('.');
if (dotpos == std::string::npos)
{
std::cout << "Could not determine file extension.\n";
return EXIT_FAILURE;
}
std::string fileext = filename.substr(dotpos + 1);
filename.insert(dotpos, "\xea\x92\x84"); // u8"ꒄ"
int extent[6] = { 0, 99, 0, 99, 0, 0 };
vtkSmartPointer<vtkImageCanvasSource2D> imageSource =
vtkSmartPointer<vtkImageCanvasSource2D>::New();
imageSource->SetExtent(extent);
imageSource->SetScalarTypeToUnsignedChar();
imageSource->SetNumberOfScalarComponents(3);
imageSource->SetDrawColor(127, 45, 255);
imageSource->FillBox(0, 99, 0, 99);
imageSource->SetDrawColor(255, 255, 255);
imageSource->FillBox(40, 70, 20, 50);
imageSource->Update();
vtkSmartPointer<vtkImageCast> filter = vtkSmartPointer<vtkImageCast>::New();
filter->SetOutputScalarTypeToUnsignedChar();
filter->SetInputConnection(imageSource->GetOutputPort());
filter->Update();
vtkSmartPointer<vtkImageWriter> writer;
vtkSmartPointer<vtkImageReader2> reader;
// Delete any existing files to prevent false failures
if (!vtksys::SystemTools::FileExists(filename))
{
vtksys::SystemTools::RemoveFile(filename);
}
if (fileext == "png")
{
writer = vtkSmartPointer<vtkPNGWriter>::New();
reader = vtkSmartPointer<vtkPNGReader>::New();
}
else if (fileext == "jpeg" || fileext == "jpg")
{
writer = vtkSmartPointer<vtkJPEGWriter>::New();
reader = vtkSmartPointer<vtkJPEGReader>::New();
}
else if (fileext == "bmp")
{
writer = vtkSmartPointer<vtkBMPWriter>::New();
reader = vtkSmartPointer<vtkBMPReader>::New();
}
writer->SetInputConnection(filter->GetOutputPort());
writer->SetFileName(filename.c_str());
writer->Update();
writer->Write();
if (vtksys::SystemTools::FileExists(filename))
{
if (!reader->CanReadFile(filename.c_str()))
{
cerr << "CanReadFile failed for " << filename << "\n";
return EXIT_FAILURE;
}
// Read the input image
reader->SetFileName(filename.c_str());
reader->Update();
const char* fileExtensions = reader->GetFileExtensions();
cout << "File extensions: " << fileExtensions << endl;
const char* descriptiveName = reader->GetDescriptiveName();
cout << "Descriptive name: " << descriptiveName << endl;
return EXIT_SUCCESS;
}
else
{
return EXIT_FAILURE;
}
}
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