Add-On CMYK support
Informations
Author: Fernando HerreroLicense: GPL
Description
This extension allows to use SetDrawColor(), SetFillColor() and SetTextColor() with Gray, RGB or CMYK color spaces.If you pass no parameter, you get black.
If you pass 1 parameter, it is a grayscale component (between 0 and 100).
If you pass 3 parameters, they are RGB components (between 0 and 255).
If you pass 4 parameters, they are CMYK components (between 0 and 100).
Source
<?php
/*
Author : Fernando Herrero
Mail : fherrero[at]noticiasdenavarra.com
Program : pdf-cmyk.php
License : GPL v2
Description: Allow to use CMYK color space:
SetDrawColor() => Set draw color to black
SetDrawColor(int gray) => value in % (0 = black, 100 = white)
SetDrawColor(int red, int green, int blue) => 0 to 255
SetDrawColor(int cyan, int magenta, int yellow, int black) => values in % (0 to 100)
SetFillColor and SetTextColor same as SetDrawColor
Date : 2023-01-07
*/
require('fpdf.php');
class cmykPDF extends FPDF {
function SetDrawColor($arg0 = null, $arg1 = null, $arg2 = null) {
//Set color for all stroking operations
switch(func_num_args()) {
case 1:
$g = func_get_arg(0);
$this->DrawColor = sprintf('%.3F G', $g / 100);
break;
case 3:
$r = func_get_arg(0);
$g = func_get_arg(1);
$b = func_get_arg(2);
$this->DrawColor = sprintf('%.3F %.3F %.3F RG', $r / 255, $g / 255, $b / 255);
break;
case 4:
$c = func_get_arg(0);
$m = func_get_arg(1);
$y = func_get_arg(2);
$k = func_get_arg(3);
$this->DrawColor = sprintf('%.3F %.3F %.3F %.3F K', $c / 100, $m / 100, $y / 100, $k / 100);
break;
default:
$this->DrawColor = '0 G';
}
if($this->page > 0)
$this->_out($this->DrawColor);
}
function SetFillColor($arg0 = null, $arg1 = null, $arg2 = null) {
//Set color for all filling operations
switch(func_num_args()) {
case 1:
$g = func_get_arg(0);
$this->FillColor = sprintf('%.3F g', $g / 100);
break;
case 3:
$r = func_get_arg(0);
$g = func_get_arg(1);
$b = func_get_arg(2);
$this->FillColor = sprintf('%.3F %.3F %.3F rg', $r / 255, $g / 255, $b / 255);
break;
case 4:
$c = func_get_arg(0);
$m = func_get_arg(1);
$y = func_get_arg(2);
$k = func_get_arg(3);
$this->FillColor = sprintf('%.3F %.3F %.3F %.3F k', $c / 100, $m / 100, $y / 100, $k / 100);
break;
default:
$this->FillColor = '0 g';
}
$this->ColorFlag = ($this->FillColor != $this->TextColor);
if($this->page > 0)
$this->_out($this->FillColor);
}
function SetTextColor($arg0 = null, $arg1 = null, $arg2 = null) {
//Set color for text
switch(func_num_args()) {
case 1:
$g = func_get_arg(0);
$this->TextColor = sprintf('%.3F g', $g / 100);
break;
case 3:
$r = func_get_arg(0);
$g = func_get_arg(1);
$b = func_get_arg(2);
$this->TextColor = sprintf('%.3F %.3F %.3F rg', $r / 255, $g / 255, $b / 255);
break;
case 4:
$c = func_get_arg(0);
$m = func_get_arg(1);
$y = func_get_arg(2);
$k = func_get_arg(3);
$this->TextColor = sprintf('%.3F %.3F %.3F %.3F k', $c / 100, $m / 100, $y / 100, $k / 100);
break;
default:
$this->TextColor = '0 g';
}
$this->ColorFlag = ($this->FillColor != $this->TextColor);
}
}
?>Example
<?php
require('pdf-cmyk.php');
$pdf = new cmykPDF();
$pdf->AddPage();
$pdf->SetFont('Arial', 'B', 20);
$pdf->SetLineWidth(1);
$pdf->SetDrawColor(50, 0, 0, 0);
$pdf->SetFillColor(100, 0, 0, 0);
$pdf->SetTextColor(100, 0, 0, 0);
$pdf->Rect(10, 10, 20, 20, 'DF');
$pdf->Text(10, 40, 'Cyan');
$pdf->SetDrawColor(0, 50, 0, 0);
$pdf->SetFillColor(0, 100, 0, 0);
$pdf->SetTextColor(0, 100, 0, 0);
$pdf->Rect(40, 10, 20, 20, 'DF');
$pdf->Text(40, 40, 'Magenta');
$pdf->SetDrawColor(0, 0, 50, 0);
$pdf->SetFillColor(0, 0, 100, 0);
$pdf->SetTextColor(0, 0, 100, 0);
$pdf->Rect(70, 10, 20, 20, 'DF');
$pdf->Text(70, 40, 'Yellow');
$pdf->SetDrawColor(0, 0, 0, 50);
$pdf->SetFillColor(0, 0, 0, 100);
$pdf->SetTextColor(0, 0, 0, 100);
$pdf->Rect(100, 10, 20, 20, 'DF');
$pdf->Text(100, 40, 'Black');
$pdf->SetDrawColor(128, 0, 0);
$pdf->SetFillColor(255, 0, 0);
$pdf->SetTextColor(255, 0, 0);
$pdf->Rect(10, 50, 20, 20, 'DF');
$pdf->Text(10, 80, 'Red');
$pdf->SetDrawColor(0, 127, 0);
$pdf->SetFillColor(0, 255, 0);
$pdf->SetTextColor(0, 255, 0);
$pdf->Rect(40, 50, 20, 20, 'DF');
$pdf->Text(40, 80, 'Green');
$pdf->SetDrawColor(0, 0, 127);
$pdf->SetFillColor(0, 0, 255);
$pdf->SetTextColor(0, 0, 255);
$pdf->Rect(70, 50, 20, 20, 'DF');
$pdf->Text(70, 80, 'Blue');
$pdf->SetDrawColor(50);
$pdf->SetFillColor(0);
$pdf->SetTextColor(0);
$pdf->Rect(10, 90, 20, 20, 'DF');
$pdf->Text(10, 120, 'Gray');
$pdf->Output();
?>