function CreateTilingPattern($doc)
{
$writer = new ElementWriter();
$builder = new ElementBuilder();
// Create a new pattern content stream - a heart. ------------
$writer->Begin($doc->GetSDFDoc());
$builder->PathBegin();
$builder->MoveTo(0, 0);
$builder->CurveTo(500, 500, 125, 625, 0, 500);
$builder->CurveTo(-125, 625, -500, 500, 0, 0);
$heart = $builder->PathEnd();
$heart->SetPathFill(true);
// Set heart color to red.
$heart->GetGState()->SetFillColorSpace(ColorSpace::CreateDeviceRGB());
$heart->GetGState()->SetFillColor(new ColorPt(1.0, 0.0, 0.0));
$writer->WriteElement($heart);
$pattern_dict = $writer->End();
// Initialize pattern dictionary. For details on what each parameter represents please
// refer to Table 4.22 (Section '4.6.2 Tiling Patterns') in PDF Reference Manual.
$pattern_dict->PutName("Type", "Pattern");
$pattern_dict->PutNumber("PatternType", 1);
// TilingType - Constant spacing.
$pattern_dict->PutNumber("TilingType", 1);
// This is a Type1 pattern - A colored tiling pattern.
$pattern_dict->PutNumber("PaintType", 1);
// Set bounding box
$pattern_dict->PutRect("BBox", -253, 0, 253, 545);
// Create and set the matrix
$pattern_mtx = new Matrix2D(0.04, 0.0, 0.0, 0.04, 0.0, 0.0);
$pattern_dict->PutMatrix("Matrix", $pattern_mtx);
// Set the desired horizontal and vertical spacing between pattern cells,
// measured in the pattern coordinate system.
$pattern_dict->PutNumber("XStep", 1000);
$pattern_dict->PutNumber("YStep", 1000);
return $pattern_dict;
// finished creating the Pattern resource
}
function CreateGroup2($doc, $layer)
{
$writer = new ElementWriter();
$writer->Begin($doc->GetSDFDoc());
// Create a path object in the shape of a heart.
$builder = new ElementBuilder();
$builder->PathBegin();
// start constructing the path
$builder->MoveTo(306, 396);
$builder->CurveTo(681, 771, 399.75, 864.75, 306, 771);
$builder->CurveTo(212.25, 864.75, -69, 771, 306, 396);
$builder->ClosePath();
$element = $builder->PathEnd();
// the path geometry is now specified.
// Set the path FILL color space and color.
$element->SetPathFill(true);
$gstate = $element->GetGState();
$gstate->SetFillColorSpace(ColorSpace::CreateDeviceCMYK());
$gstate->SetFillColor(new ColorPt(1.0, 0.0, 0.0, 0.0));
// cyan
// Set the path STROKE color space and color.
$element->SetPathStroke(true);
$gstate->SetStrokeColorSpace(ColorSpace::CreateDeviceRGB());
$gstate->SetStrokeColor(new ColorPt(1.0, 0.0, 0.0));
// red
$gstate->SetLineWidth(20);
$gstate->SetTransform(0.5, 0.0, 0.0, 0.5, 280.0, 300.0);
$writer->WriteElement($element);
$grp_obj = $writer->End();
// Indicate that this form (content group) belongs to the given layer (OCG).
$grp_obj->PutName("Subtype", "Form");
$grp_obj->Put("OC", $layer);
$grp_obj->PutRect("BBox", 0, 0, 1000, 1000);
// Set the clip box for the content.
return $grp_obj;
}
// save changes to the current page $doc->PagePushBack($page); // Start a new page ------------------------------------ // Construct and draw a path object using different styles $page = $doc->PageCreate(new Rect(0.0, 0.0, 612.0, 794.0)); $writer->Begin($page); // begin writing to this page $builder->Reset(); // Reset the GState to default $builder->PathBegin(); // start constructing the path $builder->MoveTo(306, 396); $builder->CurveTo(681, 771, 399.75, 864.75, 306, 771); $builder->CurveTo(212.25, 864.75, -69, 771, 306, 396); $builder->ClosePath(); $element = $builder->PathEnd(); // the path is now finished $element->SetPathFill(true); // the path should be filled // Set the path color space and color $gstate = $element->GetGState(); $gstate->SetFillColorSpace(ColorSpace::CreateDeviceCMYK()); $gstate->SetFillColor(new ColorPt(1.0, 0.0, 0.0, 0.0)); // cyan $gstate->SetTransform(0.5, 0.0, 0.0, 0.5, -20.0, 300.0); $writer->WritePlacedElement($element); // Draw the same path using a different stroke color $element->SetPathStroke(true); // this path is should be filled and stroked $gstate->SetFillColor(new ColorPt(0.0, 0.0, 1.0, 0.0)); // yellow
