PHP Data Chart Class instance code detailed _php tutorial

4. /***
6. * Time 2010-8-9
8. * www.ite5e.com
10. * Note: If you have any questions, you can reply.
12. * Test code is called at the bottom of the program.
14. ***/
16. Define ("Default_font_path", "C:/windows/fonts/simhei.ttf");
18. Class barbarism
20. {
22. Private $_x;
24. Private $_y;
26. Private $_h;
28. Public $_l = 50;
30. Private $_w = null;
32. Private $_srcpoints = Array ();
34. Private $_points = Array ();
38. Public function __construct ($x, $y, $h, $l = a, $w = null)
40. {
42. $this->_x = $x;
44. $this->_y = $y;
46. $this->_h = $h;
48. $this->_l = $l;
50. $this->_w = $w;
52. $this->_srcpoints = $this->getsrcpoints ();
54. $this->_points = $this->getpoints ();
56. }
60. Public Function getsrcpoints ()
62. {
64. Return Array (
66. Array ($this->_x, $this->_y),
68. Array ($this->_x $this->_l, $this->_y),
70. Array ($this->_x (1.35* $this->_l), $this->_y-(0.35* $this->_l)),
72. Array ($this->_x (0.35* $this->_l), $this->_y-(0.35* $this->_l)),
74. Array ($this->_x, $this->_y $this->_h),
76. Array ($this->_x $this->_l, $this->_y $this->_h),
78. Array ($this->_x (1.35* $this->_l), $this->_y $this->_h-(0.35* $this->_l))
80. );
82. }
86. Public Function getpoints ()
88. {
90. $points = Array ();
92. foreach ($this->_srcpoints as $key = $val)
94. {
96. $points [] = $val [0];
98. $points [] = $val [1];
100. }
102. return $points;
104. }
108. Public Function gettoppoints ()
110. {
112. Return Array_slice ($this->_points, 0, 8); Top coordinates
114. }
118. Public Function getbelowpoints ()
120. {
122. Return Array_merge (Array_slice ($this->_points, 0, 2), Array_slice ($this->_points, 8, 4), Array_slice ($this- _points, 2, 2)); Bottom coordinate
124. }
128. Public Function getrightsidepoints ()
130. {
132. Return Array_merge (Array_slice ($this->_points, 2, 2), Array_slice ($this->_points, ten, 4), Array_slice ($this- >_points, 4, 2)); Right coordinate
134. }
138. Public function Draw ($image, $topColor, $belowColor, $sideColor, $borderColor = null, $type = left)
140. {
142. if (Is_null ($borderColor))
144. {
146. $borderColor = 0XCCCCCC;
148. }
152. $top _rgb = $this->getrgb ($topColor);
154. $below _rgb = $this->getrgb ($belowColor);
156. $side _rgb = $this->getrgb ($sideColor);
158. $top _color = imagecolorallocate ($image, $top _rgb[r], $top _rgb[g], $top _rgb[b]);
160. $below _color = imagecolorallocate ($image, $below _rgb[r], $below _rgb[g], $below _rgb[b]);
162. $side _color = imagecolorallocate ($image, $side _rgb[r], $side _rgb[g], $side _rgb[b]);
166. Imagefilledpolygon ($image, $this->gettoppoints (), 4, $top _color); Draw the top face
168. Imagepolygon ($image, $this->gettoppoints (), 4, $borderColor); Draw Top Edge
172. Imagefilledpolygon ($image, $this->getbelowpoints (), 4, $below _color); Draw below
174. Imagepolygon ($image, $this->getbelowpoints (), 4, $borderColor); Draw the bottom edge
178. if ($type = = left)
180. {
182. Imagefilledpolygon ($image, $this->getrightsidepoints (), 4, $side _color); Draw right Side
184. Imagepolygon ($image, $this->getrightsidepoints (), 4, $borderColor); Draw side edges
186. }
188. }
192. Public Function getRGB ($color)
194. {
196. $ar = Array ();
198. $color = Hexdec ($color);
200. $ar [R] = ($color >>16) & 0xFF;
202. $ar [G] = ($color >>8) & 0xFF;
204. $ar [B] = ($color) & 0xFF;
206. return $ar;
208. }
210. }
214. Class Bardate
216. {
218. Private $_w;
220. Private $_h;
222. Private $_bgcolor = "FFFFFF";
224. Private $_barheights = Array ();
226. Private $_bartexts = Array ();
228. Private $_barcolors = Array ();
230. Public $_title;
232. Public $_paddingtop = 30;
234. Public $_paddingbottom = 100;
236. Public $_paddingleft = 45;
238. Public $_paddingright = 2;
240. Public $_barl = 50;
242. Public $image;

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