void PDFGenerator::pdfDoc_AddPage(mlPDF::PAGE_SIZES pageSize, mlPDF::PAGE_DIRECTIONS pageDirection)
{
if (pdfDocument)
{
HPDF_Page newPage = HPDF_AddPage(pdfDocument);
if (newPage)
{
pdfDocCurrentPage = newPage;
pdfDocPages.push_back(newPage);
if (pageSize == mlPDF::PAGESIZE_USER) // It is illegal to set this value manually...
{
pageSize = mlPDF::PAGESIZE_A4; // ... therefore set it to default value.
}
HPDF_Page_SetSize(newPage, (HPDF_PageSizes)pageSize, (HPDF_PageDirection)pageDirection);
_currentPageSize = pageSize;
HPDF_Page_SetFontAndSize(pdfDocCurrentPage, _currentFontSettings.font, _currentFontSettings.fontSize);
HPDF_Page_SetLineWidth(pdfDocCurrentPage, 1);
pdfDoc_SetStrokeColor(0, 0, 0);
pdfDoc_SetFillColor(0, 0, 0);
pdfDoc_CurrentXPos = 0;
pdfDoc_CurrentYPos = 0;
}
else
{
_handleError("pdfDoc_AddPage(mlPDF::PAGE_SIZES pageSize, mlPDF::PAGE_DIRECTIONS pageDirection)");
}
}
}
void PDFGenerator::pdfDoc_AddPage(float width, float height)
{
if (pdfDocument)
{
HPDF_Page newPage = HPDF_AddPage(pdfDocument);
if (newPage)
{
pdfDocCurrentPage = newPage;
pdfDocPages.push_back(newPage);
HPDF_Page_SetWidth(newPage, width);
HPDF_Page_SetHeight(newPage, height);
_currentPageSize = mlPDF::PAGESIZE_USER;
HPDF_Page_SetFontAndSize(pdfDocCurrentPage, _currentFontSettings.font, _currentFontSettings.fontSize);
HPDF_Page_SetLineWidth(pdfDocCurrentPage, 1);
pdfDoc_SetStrokeColor(0, 0, 0);
pdfDoc_SetFillColor(0, 0, 0);
pdfDoc_CurrentXPos = 0;
pdfDoc_CurrentYPos = 0;
}
else
{
_handleError("pdfDoc_AddPage(float width, float height)");
}
}
}
bool SavePDFTemplate::assemblePDFDocument()
{
// *************************************************************************
// This is the main method for all modules derived from PDFCreatorBase.
// Add all code that assembles the actual PDF document here!
//
// The following code is a simple example that demonstrates the usage and
// built-in methods to add content to the PDF.
// *************************************************************************
// Helper variable to store current drawing position height
float yPos = 0;
// Enable compression for images only (Default is mlPDF::COMPRESS_ALL).
// Writing the actual PDF file to disk is considerably speeded up if compression
// is disbled. However, file size can considerably increase!
pdfDoc_SetCompressionMode(mlPDF::COMPRESS_IMAGES);
// Set the passwords
// The first password protects the document from unauthorized modifications.
// The second password protects the document from unautorized access and can be empty.
pdfDoc_SetPasswords("ModifyMe", "");
// Set permissions
// Attention: A password must be set PRIOR to setting permissions.
// If no password has been set when pdfDoc_SetPermissions() is invoked,
// a random password of 64 characters (512 bit) length is set!
pdfDoc_SetPermissions(mlPDF::PERMIT_PRINT_HIGH_QUALITY | mlPDF::PERMIT_EXTRACT_FOR_ACCESSIBILITY);
// Set default y axis reference to mlPDF::YAXIS_REFERENCE_TOP
// This will result in all y coordinates being interpreted with the upper page border as zero
// This is also the default setting and actually does not need to be called here...
// However, the availability of this method shall be demonstrated. ;-)
pdfDoc_SetDefaultYAxisReference(mlPDF::YAXIS_REFERENCE_TOP);
// Add a page and set size & direction
pdfDoc_AddPage(mlPDF::PAGESIZE_A4, mlPDF::PAGEDIRECTION_PORTRAIT);
// Set page margins (i.e., the space that shall not be written at
pdfDoc_SetGlobalPageMarginsMM(20, 20, 20, 15);
// Set text font to Times Bold, 14 pt.
pdfDoc_SetCurrentFont(buildInFonts.TimesBold, 14);
// Write text at specified position
pdfDoc_WriteTextAt(0, yPos, "PDF Creation Example");
yPos += 25;
// Set font to Times, 12 pt.
pdfDoc_SetCurrentFont(buildInFonts.Times, 12);
// Write text at specified position
pdfDoc_WriteTextAt(10, yPos, "Created by 'SavePDFTemplate' module.");
yPos += 35;
// Adjust font size without changing the font type.
pdfDoc_SetCurrentFontSize(10);
// Write lorem ipsum text into specified area
pdfDoc_WriteTextAreaAt(0, yPos, pdfDoc_GetPageMaxWidth(), 50, mlPDF::LOREM_IPSUM, mlPDF::TEXTALIGNMENT_JUSTIFY);
// Draw a rectangle around the recently added text
pdfDoc_AddOutlineRectangle(0, yPos, pdfDoc_GetPageMaxWidth(), 50, 1);
// Set font to Courier Oblique, keep current font size.
pdfDoc_SetCurrentFont(buildInFonts.CourierOblique);
// Backup current y-axis reference (which is mlPDF::YAXIS_REFERENCE_TOP by default)
pdfDoc_StoreYAxisReference();
// Now set the y-axis reference to mlPDF::YAXIS_REFERENCE_BOTTOM,
// which will result in all y coordinates being interpreted with the lower page border as zero
pdfDoc_SetYAxisReference(mlPDF::YAXIS_REFERENCE_BOTTOM);
// Write text into specified area at lower right corner of the page (note that the preset page margins shall be ignored)
float textAreaWidth = pdfDoc_GetPageMaxWidth(mlPDF::IGNORE_MARGINS) / 2;
pdfDoc_WriteTextAreaAt(pdfDoc_GetPageMaxX(mlPDF::IGNORE_MARGINS) - textAreaWidth, 0, textAreaWidth, 25, "A text in the lower right corner of the page.\nPage margins are ignored!", mlPDF::TEXTALIGNMENT_RIGHT, mlPDF::IGNORE_MARGINS);
// Now restore the previous y-axis reference
// pdfDoc_RestoreDefaultYAxisReference() would have worked here as well.
pdfDoc_RestoreYAxisReference();
// Go back to Times font.
pdfDoc_SetCurrentFont(buildInFonts.TimesBold, 10);
// Write headline for the following images
yPos += 80;
pdfDoc_WriteTextAt(0, yPos, "Two Images Sharing the Same Resource");
// Load image into image resource pool (n.b.: only PNG anf JPG images are allowed!)
std::string resourcesPath = resourcesPathFld->getStringValue() + "/";
std::string exampleImagePath = resourcesPath + _imageFilenameFld->getStringValue();
if (mlPDF::fileExists(exampleImagePath))
{
mlPDF::IMAGE exampleImage = pdfDoc_LoadImageFromFile(exampleImagePath);
// Add image by direct reference
yPos += 15;
pdfDoc_AddImage(0, yPos, 100, 100, exampleImage);
// Add image once more through image pool
if (pdfDocImages.size() > 0)
{
pdfDoc_AddImage(110, yPos, 100, 100, pdfDocImages[pdfDocImages.size() - 1]);
}
}
else
{
// Image could not be found. -> Cancel assembly, set error message
assemblyErrorMessage = "Image file not found.";
return false;
}
// Write headline for the interactive 3D scene
yPos += 120;
pdfDoc_WriteTextAt(0, yPos, "Interactive 3D Scene with Poster Image");
// Now add 3D scene.
// This needs a little more than just one command.
// Therefore it has been outsourced to a separate method...
yPos += 15;
_add3DFigure(0, yPos, 210, 210);
// Now let's add some graphics...
// First change fill color from default black to green.
// Attention! This applies for text as well!
pdfDoc_SetFillColor(0, 1, 0);
// Add a green circle with black outline (black is the default stroke color)
pdfDoc_AddFilledOutlineCircle(pdfDoc_GetPageCenterX()+80, pdfDoc_GetPageCenterY(), 50, 2);
// And some text to show that the fill color also applies for text
pdfDoc_WriteTextAt(pdfDoc_GetPageCenterX() + 140, pdfDoc_GetPageCenterY(), "This text is now green!");
// Add a filled blue arc without outline
pdfDoc_SetFillColor(0, 0, 1);
pdfDoc_AddFilledPieDegrees(pdfDoc_GetPageCenterX() + 80, pdfDoc_GetPageCenterY() + 100, 50, 60, -40);
// And a yellow outline ellipse
pdfDoc_SetStrokeColor(1, 1, 0);
pdfDoc_AddOutlineEllipse(pdfDoc_GetPageCenterX() + 80, pdfDoc_GetPageCenterY() + 200, 50, 25, 1);
// Finally draw a fat red line from the lower left corner to the upper right corner! :-)
pdfDoc_SetYAxisReference(mlPDF::YAXIS_REFERENCE_BOTTOM);
pdfDoc_SetStrokeColor(1, 0, 0);
pdfDoc_AddLine(0, 0, pdfDoc_GetPageMaxX(true), pdfDoc_GetPageMaxY(true), 5, true);
//
// For more methods to add and manipulate contents, see MLPDF_PDFCreatorBase.h file.
//
return true;
}