X-Git-Url: http://wagnertech.de/gitweb/gitweb.cgi/timetracker.git/blobdiff_plain/098a79f0819ebb89b7d48df4a6b154af4560f68e..9a23a8c0a51b7ec38a96f525484134f3cb85dc7e:/WEB-INF/lib/libchart/classes/view/text/Text.php

diff --git a/WEB-INF/lib/libchart/classes/view/text/Text.php b/WEB-INF/lib/libchart/classes/view/text/Text.php
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+<?php
+	/* Libchart - PHP chart library
+	 * Copyright (C) 2005-2008 Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
+	 * 
+	 * This program is free software: you can redistribute it and/or modify
+	 * it under the terms of the GNU General Public License as published by
+	 * the Free Software Foundation, either version 3 of the License, or
+	 * (at your option) any later version.
+	 * 
+	 * This program is distributed in the hope that it will be useful,
+	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
+	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	 * GNU General Public License for more details.
+	 *
+	 * You should have received a copy of the GNU General Public License
+	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+	 * 
+	 */
+	
+	/**
+	 * Text drawing helper
+	 *
+	 * @author Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
+	 */
+	class Text {
+		public $HORIZONTAL_LEFT_ALIGN = 1;
+		public $HORIZONTAL_CENTER_ALIGN = 2;
+		public $HORIZONTAL_RIGHT_ALIGN = 4;
+		public $VERTICAL_TOP_ALIGN = 8;
+		public $VERTICAL_CENTER_ALIGN = 16;
+		public $VERTICAL_BOTTOM_ALIGN = 32;
+
+		/**
+		 * Creates a new text drawing helper.
+		 */
+		public function Text() {
+			$baseDir = dirname(__FILE__) . "/../../../";
+		
+			// Free low-res fonts based on Bitstream Vera <http://dejavu.sourceforge.net/wiki/>
+			$this->fontCondensed = $baseDir . "fonts/DejaVuSansCondensed.ttf";
+			$this->fontCondensedBold = $baseDir . "fonts/DejaVuSansCondensed-Bold.ttf";
+		}
+
+		/**
+		 * Print text.
+		 *
+		 * @param Image GD image
+		 * @param integer text coordinate (x)
+		 * @param integer text coordinate (y)
+		 * @param Color text color
+		 * @param string text value
+		 * @param string font file name
+		 * @param bitfield text alignment
+		 */
+		public function printText($img, $px, $py, $color, $text, $fontFileName, $align = 0) {
+			if (!($align & $this->HORIZONTAL_CENTER_ALIGN) && !($align & $this->HORIZONTAL_RIGHT_ALIGN)) {
+				$align |= $this->HORIZONTAL_LEFT_ALIGN;
+			}
+
+			if (!($align & $this->VERTICAL_CENTER_ALIGN) && !($align & $this->VERTICAL_BOTTOM_ALIGN)) {
+				$align |= $this->VERTICAL_TOP_ALIGN;
+			}
+
+			$fontSize = 8;
+			$lineSpacing = 1;
+
+ 			list ($llx, $lly, $lrx, $lry, $urx, $ury, $ulx, $uly) = imageftbbox($fontSize, 0, $fontFileName, $text, array("linespacing" => $lineSpacing));
+
+			$textWidth = $lrx - $llx;
+			$textHeight = $lry - $ury;
+
+			$angle = 0;
+
+			if ($align & $this->HORIZONTAL_CENTER_ALIGN) {
+				$px -= $textWidth / 2;
+			}
+
+			if ($align & $this->HORIZONTAL_RIGHT_ALIGN) {
+				$px -= $textWidth;
+			}
+
+			if ($align & $this->VERTICAL_CENTER_ALIGN) {
+				$py += $textHeight / 2;
+			}
+
+			if ($align & $this->VERTICAL_TOP_ALIGN) {
+				$py += $textHeight;
+			}
+
+			imagettftext($img, $fontSize, $angle, $px, $py, $color->getColor($img), $fontFileName, $text);
+		}
+		
+		/**
+		 * Print text centered horizontally on the image.
+		 *
+		 * @param Image GD image
+		 * @param integer text coordinate (y)
+		 * @param Color text color
+		 * @param string text value
+		 * @param string font file name
+		 */
+		public function printCentered($img, $py, $color, $text, $fontFileName) {
+			$this->printText($img, imagesx($img) / 2, $py, $color, $text, $fontFileName, $this->HORIZONTAL_CENTER_ALIGN | $this->VERTICAL_CENTER_ALIGN);
+		}
+
+		/**
+		 * Print text in diagonal.
+		 *
+		 * @param Image GD image
+		 * @param integer text coordinate (x)
+		 * @param integer text coordinate (y)
+		 * @param Color text color
+		 * @param string text value
+		 */
+		public function printDiagonal($img, $px, $py, $color, $text) {
+			$fontSize = 8;
+			$fontFileName = $this->fontCondensed;
+
+			$lineSpacing = 1;
+
+ 			list ($lx, $ly, $rx, $ry) = imageftbbox($fontSize, 0, $fontFileName, $text, array("linespacing" => $lineSpacing));
+			$textWidth = $rx - $lx;
+
+			$angle = -45;
+
+			imagettftext($img, $fontSize, $angle, $px, $py, $color->getColor($img), $fontFileName, $text);
+		}
+	}
+?>
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