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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	* @group color
26	* @group pdf
27	*/
28
29	// Include the main TCPDF library (search for installation path).
30	require_once('tcpdf_include.php');
31
32	// create new PDF document
33	$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
34
35	// set document information
36	$pdf->setCreator(PDF_CREATOR);
37	$pdf->setAuthor('Nicola Asuni');
38	$pdf->setTitle('TCPDF Example 030');
39	$pdf->setSubject('TCPDF Tutorial');
40	$pdf->setKeywords('TCPDF, PDF, example, test, guide');
41
42	// set default header data
43	$pdf->setHeaderData(PDF_HEADER_LOGO, PDF_HEADER_LOGO_WIDTH, PDF_HEADER_TITLE.' 030', PDF_HEADER_STRING);
44
45	// set header and footer fonts
46	$pdf->setHeaderFont(Array(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN));
47	$pdf->setFooterFont(Array(PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA));
48
49	// set default monospaced font
50	$pdf->setDefaultMonospacedFont(PDF_FONT_MONOSPACED);
51
52	// set margins
53	$pdf->setMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);
54	$pdf->setHeaderMargin(PDF_MARGIN_HEADER);
55	$pdf->setFooterMargin(PDF_MARGIN_FOOTER);
56
57	// set auto page breaks
58	$pdf->setAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
59
60	// set image scale factor
61	$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
62
63	// set some language-dependent strings (optional)
64	if (@file_exists(dirname(__FILE__).'/lang/eng.php')) {
65	require_once(dirname(__FILE__).'/lang/eng.php');
66	$pdf->setLanguageArray($l);
67	}
68
69	// ---------------------------------------------------------
70
71	// set font
72	$pdf->setFont('helvetica', 'B', 20);
73
74	// --- first page ------------------------------------------
75
76	// add a page
77	$pdf->AddPage();
78
79	$pdf->Cell(0, 0, 'TCPDF Gradients', 0, 1, 'C', 0, '', 0, false, 'T', 'M');
80
81	// set colors for gradients (r,g,b) or (grey 0-255)
82	$red = array(255, 0, 0);
83	$blue = array(0, 0, 200);
84	$yellow = array(255, 255, 0);
85	$green = array(0, 255, 0);
86	$white = array(255);
87	$black = array(0);
88
89	// set the coordinates x1,y1,x2,y2 of the gradient (see linear_gradient_coords.jpg)
90	$coords = array(0, 0, 1, 0);
91
92	// paint a linear gradient
93	$pdf->LinearGradient(20, 45, 80, 80, $red, $blue, $coords);
94
95	// write label
96	$pdf->Text(20, 130, 'LinearGradient()');
97
98	// set the coordinates fx,fy,cx,cy,r of the gradient (see radial_gradient_coords.jpg)
99	$coords = array(0.5, 0.5, 1, 1, 1.2);
100
101	// paint a radial gradient
102	$pdf->RadialGradient(110, 45, 80, 80, $white, $black, $coords);
103
104	// write label
105	$pdf->Text(110, 130, 'RadialGradient()');
106
107	// paint a coons patch mesh with default coordinates
108	$pdf->CoonsPatchMesh(20, 155, 80, 80, $yellow, $blue, $green, $red);
109
110	// write label
111	$pdf->Text(20, 240, 'CoonsPatchMesh()');
112
113	// set the coordinates for the cubic Bézier points x1,y1 ... x12, y12 of the patch (see coons_patch_mesh_coords.jpg)
114	$coords = array(
115	0.00,0.00, 0.33,0.20, //lower left
116	0.67,0.00, 1.00,0.00, 0.80,0.33, //lower right
117	0.80,0.67, 1.00,1.00, 0.67,0.80, //upper right
118	0.33,1.00, 0.00,1.00, 0.20,0.67, //upper left
119	0.00,0.33); //lower left
120	$coords_min = 0; //minimum value of the coordinates
121	$coords_max = 1; //maximum value of the coordinates
122
123	// paint a coons patch gradient with the above coordinates
124	$pdf->CoonsPatchMesh(110, 155, 80, 80, $yellow, $blue, $green, $red, $coords, $coords_min, $coords_max);
125
126	// write label
127	$pdf->Text(110, 240, 'CoonsPatchMesh()');
128
129	// --- second page -----------------------------------------
130	$pdf->AddPage();
131
132	// first patch: f = 0
133	$patch_array[0]['f'] = 0;
134	$patch_array[0]['points'] = array(
135	0.00,0.00, 0.33,0.00,
136	0.67,0.00, 1.00,0.00, 1.00,0.33,
137	0.8,0.67, 1.00,1.00, 0.67,0.8,
138	0.33,1.80, 0.00,1.00, 0.00,0.67,
139	0.00,0.33);
140	$patch_array[0]['colors'][0] = array('r' => 255, 'g' => 255, 'b' => 0);
141	$patch_array[0]['colors'][1] = array('r' => 0, 'g' => 0, 'b' => 255);
142	$patch_array[0]['colors'][2] = array('r' => 0, 'g' => 255,'b' => 0);
143	$patch_array[0]['colors'][3] = array('r' => 255, 'g' => 0,'b' => 0);
144
145	// second patch - above the other: f = 2
146	$patch_array[1]['f'] = 2;
147	$patch_array[1]['points'] = array(
148	0.00,1.33,
149	0.00,1.67, 0.00,2.00, 0.33,2.00,
150	0.67,2.00, 1.00,2.00, 1.00,1.67,
151	1.5,1.33);
152	$patch_array[1]['colors'][0]=array('r' => 0, 'g' => 0, 'b' => 0);
153	$patch_array[1]['colors'][1]=array('r' => 255, 'g' => 0, 'b' => 255);
154
155	// third patch - right of the above: f = 3
156	$patch_array[2]['f'] = 3;
157	$patch_array[2]['points'] = array(
158	1.33,0.80,
159	1.67,1.50, 2.00,1.00, 2.00,1.33,
160	2.00,1.67, 2.00,2.00, 1.67,2.00,
161	1.33,2.00);
162	$patch_array[2]['colors'][0] = array('r' => 0, 'g' => 255, 'b' => 255);
163	$patch_array[2]['colors'][1] = array('r' => 0, 'g' => 0, 'b' => 0);
164
165	// fourth patch - below the above, which means left(?) of the above: f = 1
166	$patch_array[3]['f'] = 1;
167	$patch_array[3]['points'] = array(
168	2.00,0.67,
169	2.00,0.33, 2.00,0.00, 1.67,0.00,
170	1.33,0.00, 1.00,0.00, 1.00,0.33,
171	0.8,0.67);
172	$patch_array[3]['colors'][0] = array('r' => 0, 'g' => 0, 'b' => 0);
173	$patch_array[3]['colors'][1] = array('r' => 0, 'g' => 0, 'b' => 255);
174
175	$coords_min = 0;
176	$coords_max = 2;
177
178	$pdf->CoonsPatchMesh(10, 45, 190, 200, '', '', '', '', $patch_array, $coords_min, $coords_max);
179
180	// write label
181	$pdf->Text(10, 250, 'CoonsPatchMesh()');
182
183	// ---------------------------------------------------------
184
185	//Close and output PDF document
186	$pdf->Output('example_030.pdf', 'D');
187
188	//============================================================+
189	// END OF FILE
190	//============================================================+
191