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Read the complete article about converting PostScript EPS/PS files to PNG or JPG images using C++ by visiting the following link.
https://blog.aspose.com/2021/07/02/convert-postscript-eps-ps-file-to-png-or-jpg-image-using-cpp/
// Initialize PostScript input stream
System::SharedPtr<System::IO::FileStream> psStream = System::MakeObject<System::IO::FileStream>(u"SourceDirectory\\inputForImage.ps", System::IO::FileMode::Open, System::IO::FileAccess::Read);
// Create an instance of the PsDocument class
System::SharedPtr<PsDocument> document = System::MakeObject<PsDocument>(psStream);
// If you want to convert Postscript file despite of minor errors set this flag
bool suppressErrors = true;
// Initialize ImageSaveOptions object with necessary parameters.
System::SharedPtr<Aspose::Page::EPS::Device::ImageSaveOptions> options = System::MakeObject<Aspose::Page::EPS::Device::ImageSaveOptions>(suppressErrors);
// If you want to add special folder where fonts are stored. Default fonts folder in OS is always included.
options->set_AdditionalFontsFolders(System::MakeArray<System::String>({ u"{FONT_FOLDER}" }));
// Create an instance of the ImageFormat class
System::SharedPtr<System::Drawing::Imaging::ImageFormat> imageFormat = System::Drawing::Imaging::ImageFormat::get_Jpeg();
// Default image format is PNG and it is not mandatory to set it in ImageDevice
// Default image size is 595x842 and it is not mandatory to set it in ImageDevice
System::SharedPtr<Aspose::Page::EPS::Device::ImageDevice> device = System::MakeObject<Aspose::Page::EPS::Device::ImageDevice>(imageFormat);
// But if you need to specify size and image format use constructor with parameters
//ImageDevice device = new ImageDevice(new System.Drawing.Size(595, 842), System.Drawing.Imaging.ImageFormat.Jpeg);
{
auto __finally_guard_0 = ::System::MakeScopeGuard([&psStream]()
{
psStream->Close();
});
try
{
document->Save(device, options);
}
catch (...)
{
throw;
}
}
System::ArrayPtr<System::ArrayPtr<uint8_t>> imagesBytes = device->get_ImagesBytes();
int32_t i = 0;
{
for (System::ArrayPtr<uint8_t> imageBytes : imagesBytes)
{
System::String imagePath = System::IO::Path::GetFullPath(System::String(u"OutputDirectory\\out_image") + System::Convert::ToString(i) + u"." + System::ObjectExt::ToString(imageFormat).ToLower());
{
// Initialize output stream
System::SharedPtr<System::IO::FileStream> fs = System::MakeObject<System::IO::FileStream>(imagePath, System::IO::FileMode::Create, System::IO::FileAccess::Write);
// Clearing resources under 'using' statement
System::Details::DisposeGuard<1> __dispose_guard_1({ fs });
// ------------------------------------------
try
{
fs->Write(imageBytes, 0, imageBytes->get_Length());
}
catch (...)
{
__dispose_guard_1.SetCurrentException(std::current_exception());
}
}
i++;
}
}
// Create an instance of the ImageFormat class
System::SharedPtr<System::Drawing::Imaging::ImageFormat> imageFormat = System::Drawing::Imaging::ImageFormat::get_Png();
// Initialize PostScript input stream
System::SharedPtr<System::IO::FileStream> psStream = System::MakeObject<System::IO::FileStream>(u"SourceDirectory\\inputForImage.ps", System::IO::FileMode::Open, System::IO::FileAccess::Read);
// Create an instance of the PsDocument class
System::SharedPtr<PsDocument> document = System::MakeObject<PsDocument>(psStream);
// If you want to convert Postscript file despite of minor errors set this flag
bool suppressErrors = true;
// Initialize ImageSaveOptions object with necessary parameters.
System::SharedPtr<Aspose::Page::EPS::Device::ImageSaveOptions> options = System::MakeObject<Aspose::Page::EPS::Device::ImageSaveOptions>(suppressErrors);
// If you want to add special folder where fonts are stored. Default fonts folder in OS is always included.
options->set_AdditionalFontsFolders(System::MakeArray<System::String>({ u"{FONT_FOLDER}" }));
// Default image format is PNG and it is not mandatory to set it in ImageDevice
// Default image size is 595x842 and it is not mandatory to set it in ImageDevice
System::SharedPtr<Aspose::Page::EPS::Device::ImageDevice> device = System::MakeObject<Aspose::Page::EPS::Device::ImageDevice>();
// But if you need to specify size and image format use constructor with parameters
//ImageDevice device = new ImageDevice(new System.Drawing.Size(595, 842), System.Drawing.Imaging.ImageFormat.Jpeg);
{
auto __finally_guard_0 = ::System::MakeScopeGuard([&psStream]()
{
psStream->Close();
});
try
{
document->Save(device, options);
}
catch (...)
{
throw;
}
}
System::ArrayPtr<System::ArrayPtr<uint8_t>> imagesBytes = device->get_ImagesBytes();
int32_t i = 0;
{
for (System::ArrayPtr<uint8_t> imageBytes : imagesBytes)
{
System::String imagePath = System::IO::Path::GetFullPath(System::String(u"OutputDirectory\\out_image") + System::Convert::ToString(i) + u"." + System::ObjectExt::ToString(imageFormat).ToLower());
{
// Initialize output stream
System::SharedPtr<System::IO::FileStream> fs = System::MakeObject<System::IO::FileStream>(imagePath, System::IO::FileMode::Create, System::IO::FileAccess::Write);
// Clearing resources under 'using' statement
System::Details::DisposeGuard<1> __dispose_guard_1({ fs });
// ------------------------------------------
try
{
fs->Write(imageBytes, 0, imageBytes->get_Length());
}
catch (...)
{
__dispose_guard_1.SetCurrentException(std::current_exception());
}
}
i++;
}
}
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