C++ (Cpp) PDFWriter::CreateImageXObjectFromJPGFile Examples

Example #1

File: ImagesAndFormsForwardReferenceTest.cpp Project: gerronimo/PDF-Writer

EStatusCode ImagesAndFormsForwardReferenceTest::Run(const TestConfiguration& inTestConfiguration)
{
	PDFWriter pdfWriter;
	EStatusCode status; 

	do
	{

		status = pdfWriter.StartPDF(RelativeURLToLocalPath(inTestConfiguration.mSampleFileBase,"ImagesAndFormsForwardReferenceTest.PDF"),ePDFVersion13);
		if(status != PDFHummus::eSuccess)
		{
			cout<<"failed to start PDF\n";
			break;
		}	

		PDFPage* page = new PDFPage();
		page->SetMediaBox(PDFRectangle(0,0,595,842));

		PageContentContext* pageContentContext = pdfWriter.StartPageContentContext(page);
		if(NULL == pageContentContext)
		{
			status = PDFHummus::eFailure;
			cout<<"failed to create content context for page\n";
		}



		// continue page drawing size the image to 500,400
		pageContentContext->q();
		pageContentContext->cm(500,0,0,400,0,0);
		
		ObjectIDType imageXObjectID = pdfWriter.GetObjectsContext().GetInDirectObjectsRegistry().AllocateNewObjectID();
		pageContentContext->Do(page->GetResourcesDictionary().AddImageXObjectMapping(imageXObjectID));

		// optionally i can also add the necessary PDF Procsets. i'll just add all that might be relevant
		page->GetResourcesDictionary().AddProcsetResource(KProcsetImageB);
		page->GetResourcesDictionary().AddProcsetResource(KProcsetImageC);
		page->GetResourcesDictionary().AddProcsetResource(KProcsetImageI);

		pageContentContext->Q();

		// continue page drawing size the image to 500,400
		pageContentContext->q();
		pageContentContext->cm(1,0,0,1,0,400);
		ObjectIDType formXObjectID = pdfWriter.GetObjectsContext().GetInDirectObjectsRegistry().AllocateNewObjectID();
		pageContentContext->Do(page->GetResourcesDictionary().AddFormXObjectMapping(formXObjectID));
		pageContentContext->Q();

#ifndef NO_TIFF
		pageContentContext->q();
		ObjectIDType tiffFormXObjectID = pdfWriter.GetObjectsContext().GetInDirectObjectsRegistry().AllocateNewObjectID();
		pageContentContext->Do(page->GetResourcesDictionary().AddFormXObjectMapping(tiffFormXObjectID));
		pageContentContext->Q();
#endif
        
		pageContentContext->q();
		pageContentContext->cm(1,0,0,1,100,500);
		ObjectIDType simpleFormXObjectID = pdfWriter.GetObjectsContext().GetInDirectObjectsRegistry().AllocateNewObjectID();
		pageContentContext->Do(page->GetResourcesDictionary().AddFormXObjectMapping(simpleFormXObjectID));
		pageContentContext->Q();

		status = pdfWriter.EndPageContentContext(pageContentContext);
		if(status != PDFHummus::eSuccess)
		{
			cout<<"failed to end page content context\n";
			break;
		}

		status = pdfWriter.WritePageAndRelease(page);
		if(status != PDFHummus::eSuccess)
		{
			cout<<"failed to write page\n";
			break;
		}


		// Create image xobject  
		PDFImageXObject* imageXObject  = pdfWriter.CreateImageXObjectFromJPGFile(RelativeURLToLocalPath(inTestConfiguration.mSampleFileBase,"TestMaterials/images/otherStage.JPG"),imageXObjectID);
		if(!imageXObject)
		{
			cout<<"failed to create image XObject from file\n";
			status = PDFHummus::eFailure;
			break;
		}

		// now create form xobject
		PDFFormXObject*  formXObject = pdfWriter.CreateFormXObjectFromJPGFile(
            RelativeURLToLocalPath(inTestConfiguration.mSampleFileBase,"TestMaterials/images/otherStage.JPG"),formXObjectID);
		if(!formXObject)
		{
			cout<<"failed to create form XObject from file\n";
			status = PDFHummus::eFailure;
			break;
		}

#ifndef NO_TIFF
		PDFFormXObject* tiffFormXObject = pdfWriter.CreateFormXObjectFromTIFFFile(
            RelativeURLToLocalPath(inTestConfiguration.mSampleFileBase,"TestMaterials/images/tiff/jim___ah.tif"),tiffFormXObjectID);
		if(!tiffFormXObject)
		{
			cout<<"failed to create image form XObject from file, for file\n";
			status = PDFHummus::eFailure;
			break;
		}
		delete tiffFormXObject;
#endif

		delete imageXObject;
		delete formXObject;


		// define an xobject form to draw a 200X100 points red rectangle
		PDFFormXObject* xobjectForm = pdfWriter.StartFormXObject(PDFRectangle(0,0,200,100),simpleFormXObjectID);

		XObjectContentContext* xobjectContentContext = xobjectForm->GetContentContext();
		xobjectContentContext->q();
		xobjectContentContext->k(0,100,100,0);
		xobjectContentContext->re(0,0,200,100);
		xobjectContentContext->f();
		xobjectContentContext->Q();

		status = pdfWriter.EndFormXObjectAndRelease(xobjectForm);
		if(status != PDFHummus::eSuccess)
		{
			cout<<"failed to write XObject form\n";
			break;
		}


		status = pdfWriter.EndPDF();
		if(status != PDFHummus::eSuccess)
		{
			cout<<"failed in end PDF\n";
			break;
		}
	}while(false);
	return status;		
}

Example #2

File: DCTDecodeFilterTest.cpp Project: gerronimo/PDF-Writer

EStatusCode DCTDecodeFilterTest::CreateFileWithJPGImage(const TestConfiguration& inTestConfiguration,
                                                        const string& inTestFileName)
{
	PDFWriter pdfWriter;
	EStatusCode status;
    
	do
	{
		status = pdfWriter.StartPDF(RelativeURLToLocalPath(inTestConfiguration.mSampleFileBase,inTestFileName),ePDFVersion13);
		if(status != PDFHummus::eSuccess)
		{
			cout<<"failed to start PDF\n";
			break;
		}
        
		PDFPage* page = new PDFPage();
		page->SetMediaBox(PDFRectangle(0,0,595,842));
        
		PageContentContext* pageContentContext = pdfWriter.StartPageContentContext(page);
		if(NULL == pageContentContext)
		{
			status = PDFHummus::eFailure;
			cout<<"failed to create content context for page\n";
		}
        
		// draw a rectangle
		pageContentContext->q();
		pageContentContext->k(100,0,0,0);
		pageContentContext->re(500,0,100,100);
		pageContentContext->f();
		pageContentContext->Q();
        
		// pause stream to start writing the image
		status = pdfWriter.PausePageContentContext(pageContentContext);
		if(status != PDFHummus::eSuccess)
		{
			cout<<"failed to pause page content context\n";
			break;
		}
        
		// Create image xobject from
		PDFImageXObject* imageXObject  = pdfWriter.CreateImageXObjectFromJPGFile(
                                                                                 RelativeURLToLocalPath(inTestConfiguration.mSampleFileBase,"TestMaterials/images/otherStage.JPG"));
		if(!imageXObject)
		{
			cout<<"failed to create image XObject from file\n";
			status = PDFHummus::eFailure;
			break;
		}
        
		// continue page drawing size the image to 500,400
		pageContentContext->q();
		pageContentContext->cm(500,0,0,400,0,0);
		pageContentContext->Do(page->GetResourcesDictionary().AddImageXObjectMapping(imageXObject));
		pageContentContext->Q();
        
		delete imageXObject;
        
		status = pdfWriter.EndPageContentContext(pageContentContext);
		if(status != PDFHummus::eSuccess)
		{
			cout<<"failed to end page content context\n";
			break;
		}
        
		status = pdfWriter.WritePageAndRelease(page);
		if(status != PDFHummus::eSuccess)
		{
			cout<<"failed to write page\n";
			break;
		}
        
        
		status = pdfWriter.EndPDF();
		if(status != PDFHummus::eSuccess)
		{
			cout<<"failed in end PDF\n";
			break;
		}
	}while(false);
	return status;
}