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example_030.php

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1	<?php
2	//============================================================+
3	// File name : example_030.php
4	// Begin : 2008-06-09
5	// Last Update : 2013-05-14
6	//
7	// Description : Example 030 for TCPDF class
8	// Colour gradients
9	//
10	// Author: Nicola Asuni
11	//
12	// (c) Copyright:
13	// Nicola Asuni
14	// Tecnick.com LTD
15	// www.tecnick.com
16	// info@tecnick.com
17	//============================================================+
18
19	/**
20	* Creates an example PDF TEST document using TCPDF
21	* @package com.tecnick.tcpdf
22	* @abstract TCPDF - Example: Colour gradients
23	* @author Nicola Asuni
24	* @since 2008-06-09
25	*/
26
27	// Include the main TCPDF library (search for installation path).
28	require_once('tcpdf_include.php');
29
30	// create new PDF document
31	$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
32
33	// set document information
34	$pdf->SetCreator(PDF_CREATOR);
35	$pdf->SetAuthor('Nicola Asuni');
36	$pdf->SetTitle('TCPDF Example 030');
37	$pdf->SetSubject('TCPDF Tutorial');
38	$pdf->SetKeywords('TCPDF, PDF, example, test, guide');
39
40	// set default header data
41	$pdf->SetHeaderData(PDF_HEADER_LOGO, PDF_HEADER_LOGO_WIDTH, PDF_HEADER_TITLE.' 030', PDF_HEADER_STRING);
42
43	// set header and footer fonts
44	$pdf->setHeaderFont(Array(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN));
45	$pdf->setFooterFont(Array(PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA));
46
47	// set default monospaced font
48	$pdf->SetDefaultMonospacedFont(PDF_FONT_MONOSPACED);
49
50	// set margins
51	$pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);
52	$pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
53	$pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
54
55	// set auto page breaks
56	$pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
57
58	// set image scale factor
59	$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
60
61	// set some language-dependent strings (optional)
62	if (@file_exists(dirname(__FILE__).'/lang/eng.php')) {
63	require_once(dirname(__FILE__).'/lang/eng.php');
64	$pdf->setLanguageArray($l);
65	}
66
67	// ---------------------------------------------------------
68
69	// set font
70	$pdf->SetFont('helvetica', 'B', 20);
71
72	// --- first page ------------------------------------------
73
74	// add a page
75	$pdf->AddPage();
76
77	$pdf->Cell(0, 0, 'TCPDF Gradients', 0, 1, 'C', 0, '', 0, false, 'T', 'M');
78
79	// set colors for gradients (r,g,b) or (grey 0-255)
80	$red = array(255, 0, 0);
81	$blue = array(0, 0, 200);
82	$yellow = array(255, 255, 0);
83	$green = array(0, 255, 0);
84	$white = array(255);
85	$black = array(0);
86
87	// set the coordinates x1,y1,x2,y2 of the gradient (see linear_gradient_coords.jpg)
88	$coords = array(0, 0, 1, 0);
89
90	// paint a linear gradient
91	$pdf->LinearGradient(20, 45, 80, 80, $red, $blue, $coords);
92
93	// write label
94	$pdf->Text(20, 130, 'LinearGradient()');
95
96	// set the coordinates fx,fy,cx,cy,r of the gradient (see radial_gradient_coords.jpg)
97	$coords = array(0.5, 0.5, 1, 1, 1.2);
98
99	// paint a radial gradient
100	$pdf->RadialGradient(110, 45, 80, 80, $white, $black, $coords);
101
102	// write label
103	$pdf->Text(110, 130, 'RadialGradient()');
104
105	// paint a coons patch mesh with default coordinates
106	$pdf->CoonsPatchMesh(20, 155, 80, 80, $yellow, $blue, $green, $red);
107
108	// write label
109	$pdf->Text(20, 240, 'CoonsPatchMesh()');
110
111	// set the coordinates for the cubic Bézier points x1,y1 ... x12, y12 of the patch (see coons_patch_mesh_coords.jpg)
112	$coords = array(
113	0.00,0.00, 0.33,0.20, //lower left
114	0.67,0.00, 1.00,0.00, 0.80,0.33, //lower right
115	0.80,0.67, 1.00,1.00, 0.67,0.80, //upper right
116	0.33,1.00, 0.00,1.00, 0.20,0.67, //upper left
117	0.00,0.33); //lower left
118	$coords_min = 0; //minimum value of the coordinates
119	$coords_max = 1; //maximum value of the coordinates
120
121	// paint a coons patch gradient with the above coordinates
122	$pdf->CoonsPatchMesh(110, 155, 80, 80, $yellow, $blue, $green, $red, $coords, $coords_min, $coords_max);
123
124	// write label
125	$pdf->Text(110, 240, 'CoonsPatchMesh()');
126
127	// --- second page -----------------------------------------
128	$pdf->AddPage();
129
130	// first patch: f = 0
131	$patch_array[0]['f'] = 0;
132	$patch_array[0]['points'] = array(
133	0.00,0.00, 0.33,0.00,
134	0.67,0.00, 1.00,0.00, 1.00,0.33,
135	0.8,0.67, 1.00,1.00, 0.67,0.8,
136	0.33,1.80, 0.00,1.00, 0.00,0.67,
137	0.00,0.33);
138	$patch_array[0]['colors'][0] = array('r' => 255, 'g' => 255, 'b' => 0);
139	$patch_array[0]['colors'][1] = array('r' => 0, 'g' => 0, 'b' => 255);
140	$patch_array[0]['colors'][2] = array('r' => 0, 'g' => 255,'b' => 0);
141	$patch_array[0]['colors'][3] = array('r' => 255, 'g' => 0,'b' => 0);
142
143	// second patch - above the other: f = 2
144	$patch_array[1]['f'] = 2;
145	$patch_array[1]['points'] = array(
146	0.00,1.33,
147	0.00,1.67, 0.00,2.00, 0.33,2.00,
148	0.67,2.00, 1.00,2.00, 1.00,1.67,
149	1.5,1.33);
150	$patch_array[1]['colors'][0]=array('r' => 0, 'g' => 0, 'b' => 0);
151	$patch_array[1]['colors'][1]=array('r' => 255, 'g' => 0, 'b' => 255);
152
153	// third patch - right of the above: f = 3
154	$patch_array[2]['f'] = 3;
155	$patch_array[2]['points'] = array(
156	1.33,0.80,
157	1.67,1.50, 2.00,1.00, 2.00,1.33,
158	2.00,1.67, 2.00,2.00, 1.67,2.00,
159	1.33,2.00);
160	$patch_array[2]['colors'][0] = array('r' => 0, 'g' => 255, 'b' => 255);
161	$patch_array[2]['colors'][1] = array('r' => 0, 'g' => 0, 'b' => 0);
162
163	// fourth patch - below the above, which means left(?) of the above: f = 1
164	$patch_array[3]['f'] = 1;
165	$patch_array[3]['points'] = array(
166	2.00,0.67,
167	2.00,0.33, 2.00,0.00, 1.67,0.00,
168	1.33,0.00, 1.00,0.00, 1.00,0.33,
169	0.8,0.67);
170	$patch_array[3]['colors'][0] = array('r' => 0, 'g' => 0, 'b' => 0);
171	$patch_array[3]['colors'][1] = array('r' => 0, 'g' => 0, 'b' => 255);
172
173	$coords_min = 0;
174	$coords_max = 2;
175
176	$pdf->CoonsPatchMesh(10, 45, 190, 200, '', '', '', '', $patch_array, $coords_min, $coords_max);
177
178	// write label
179	$pdf->Text(10, 250, 'CoonsPatchMesh()');
180
181	// ---------------------------------------------------------
182
183	//Close and output PDF document
184	$pdf->Output('example_030.pdf', 'D');
185
186	//============================================================+
187	// END OF FILE
188	//============================================================+
189