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<?php /** * * PHP Abstract Drawing Toolkit * * Copyright (C) 2006 Matsuda Shota * http://sgssweb.com/ * admin@sgssweb.com * * ------------------------------------------------------------------------ * * 2006-4-20 First release. * */ class Image { var $source; // resource var $graphics; // Graphics // Image(resource source) function Image() { $this->graphics = new Graphics($this); } // int getWidth() function getWidth() { return imagesX($this->source); } // int getHeight() function getHeight() { return imagesY($this->source); } // Graphics getGraphics() function &getGraphics() { return $this->graphics; } // Image &getScaledInstance(int width, int height) function &getScaledInstance($width, $height) { $newSource = imageCreateTrueColor($width, $height); imageCopyResampled($newSource, // dest $this->source, // source 0, 0, // dest x, y 0, 0, // source x, y $width, $height, // dest w, h $this->getWidth(), $this->getWidth()); // source w, h $newImage = new Image($newSource); return $newImage; } // resource getSource() function &getSource() { return $this->source; } // void setSource(resource source) function setSource(&$source) { $this->source =& $source; } // void flush() function flush() { imageDestroy($this->source); } } class Font { var $name; // string var $size; // int var $metrics; // FontMetrics // Font(string name, int size) function Font($name, $size) { $this->name = $name; $this->size = $size; $this->metrics =& new FontMetrics($this); } // FontMetrics getMetrics() function &getMetrics() { return $this->metrics; } // Font deriveFont(int size) function deriveFont($size) { $font = new Font($this->name, $size); $font->metrics =& new FontMetrics($font); $font->metrics->leading = $this->metrics->leading; return $font; } // string getFontName() function getFontName() { return $this->name; } // string getSize() function getSize() { return $this->size; } } class FontMetrics { var $font; // Font var $cornersCache; // array var $leading; // float // FontMetrics(Font font) function FontMetrics(&$font) { $this->font =& $font; $this->leading = 1.75; $this->_invalidateCornersCache(); } // int stringWidth(string text) function stringWidth($text) { $corners = $this->_calcurateCorners($text); return $corners[2]; } // int getAscent() function getAscent() { if ($this->cornersCache === null) { $this->_createCornersCache(); } return -$this->cornersCache[5]; } // int getDescent() function getDescent() { if ($this->cornersCache === null) { $this->_createCornersCache(); } return $this->cornersCache[1]; } // int getHeight() function getHeight() { if ($this->cornersCache === null) { $this->_createCornersCache(); } return $this->cornersCache[1] - $this->cornersCache[5]; } // int getLeading() function getLeading() { return (int)($this->getHeight() * $this->leading); } // void setLineHeight(number lineHeight) function setLineHeight($lineHeight) { $this->leading = $lineHeight / $this->font->size; } function _calcurateCorners($text) { // dummy image for specifying text image corners $image = imageCreate(1, 1); return imageTTFText($image, $this->font->size, 0, 0, 0, -1, $this->font->name, $text); } function _createCornersCache() { $this->cornersCache = $this->_calcurateCorners("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890"); } function _invalidateCornersCache() { $this->cornersCache = null; } } class Rectangle { var $x; // int var $y; // int var $width; // int var $height; // int function Rectangle($arg1 = null, $arg2 = null, $arg3 = null, $arg4 = null) { // Rectangle() if(func_num_args() == 0) { $this->Rectangle(0, 0, 0, 0); } // Rectangle(Point p) else if(func_num_args() == 1 && get_class($arg1) == "point") { $this->Rectangle($arg1->x, $arg1->y, 0, 0); } // Rectangle(Dimension d) else if(func_num_args() == 1 && get_class($arg1) == "dimension") { $this->Rectangle(0, 0, $arg1->width, $arg1->height); } // Rectangle(Point p, Dimension d) else if(func_num_args() == 2 && get_class($arg1) == "point" && get_class($arg2) == "dimension") { $this->Rectangle($arg1->x, $arg1->y, $arg2->width, $arg2->height); } // Rectangle(int width, int height) else if(func_num_args() == 2) { $this->Rectangle(0, 0, $arg1, $arg2); } // Rectangle(int x, int y, int width, int height) else if(func_num_args() == 4) { $this->x = $arg1 + 0; $this->y = $arg2 + 0; $this->width = $arg3 + 0; $this->height = $arg4 + 0; } } // Point getLocation() function getLocation() { return new Point($this->x, $this->y); } // Dimension getSize() function getSize() { return new Dimension($this->width, $this->height); } // int getX() function getX() { return $this->x; } // int getY() function getY() { return $this->y; } // int getWidth() function getWidth() { return $this->width; } // int getHeight() function getHeight() { return $this->height; } function setSize($arg1, $arg2 = null) { // void setSize(Dimension d) if(func_num_args() == 1) { $this->setSize($arg1->width, $arg1->height); } // void setSize(int width, int height) else if(func_num_args() == 2) { $this->width = $arg1 + 0; $this->height = $arg2 + 0; } } function setLocation($arg1, $arg2 = null) { // void setLocation(Point p) if(func_num_args() == 1) { $this->setLocation($arg1->x, $arg1->y); } // void setLocation(int x, int y) else if(func_num_args() == 2) { $this->x = $arg1 + 0; $this->y = $arg2 + 0; } } // void translate(int dx, int dy) function translate($dx, $dy) { $this->x += $dx; $this->y += $dy; } // void grow(int h, int v) function grow($h, $v) { $this->width += $h; $this->height += $v; } } class Insets { var $top; // int var $left; // int var $bottom; // int var $right; // int function Insets($top = 0, $left = 0, $bottom = 0, $right = 0) { // Insets() // Insets(int top, int left, int bottom, int right) $this->top = $top + 0; $this->left = $left + 0; $this->bottom = $bottom + 0; $this->right = $right + 0; } } class Point { var $x; // int var $y; // int function Point($arg1 = null, $arg2 = null) { // Point() if(func_num_args() == 0) { $this->Point(0, 0); } // Point(Point p) else if(func_num_args() == 1) { $this->Point($arg1->x, $arg1->y); } // Point(int x, int y) else if(func_num_args() == 2) { $this->x = $arg1 + 0; $this->y = $arg2 + 0; } } // void translate(int dx, int dy) function translate($dx, $dy) { $this->x += $dx; $this->y += $dy; } // int getX() function getX() { return $this->x; } // int getY() function getY() { return $this->y; } // Point getLocation() function getLocation() { return new Point($this->x, $this->y); } function setLocation($arg1, $arg2 = null) { // void setLocation(Point p) if(func_num_args() == 1) { $this->setLocation($arg1->x, $arg1->y); } // void setLocation(int x, int y) else if(func_num_args() == 2) { $this->x = $arg1 + 0; $this->y = $arg2 + 0; } } } class Dimension { var $width; // int var $height; // int function Dimension($arg1 = null, $arg2 = null) { // Dimension() if(func_num_args() == 0) { $this->Dimension(0, 0); } // Dimension(Dimension d) else if(func_num_args() == 1) { $this->Dimension($arg1->width, $arg1->height); } // Dimension(int x, int y) else if(func_num_args() == 2) { $this->width = $arg1 + 0; $this->height = $arg2 + 0; } } // int getWidth() function getWidth() { return $this->width; } // int getHeight() function getHeight() { return $this->height; } // Dimension getSize() function getSize() { return new Dimension($this->width, $this->height); } function setSize($arg1, $arg2 = null) { // setSize(Dimension d) if(func_num_args() == 1) { $this->setSize($arg1->width, $arg1->height); } // setSize(int x, int y) else if(func_num_args() == 2) { $this->width = $arg1; $this->height = $arg2; } } } class Color { var $value; // int function Color($arg1, $arg2 = null, $arg3 = null, $arg4 = null) { // Color(int argb) if(func_num_args() == 1) { $this->value = $arg1 & 0x7fffffff; } // Color(int rgb, int a) else if(func_num_args() == 2) { $this->Color($arg1 >> 16, $arg1 >> 8, $arg1, $arg2); } // Color(int r, int g, int b) else if(func_num_args() == 3) { $this->Color($arg1, $arg2, $arg3, 100); } // Color(int r, int g, int b, int a) else if(func_num_args() == 4) { $this->Color( (((100 - $arg4) * 1.27) & 0x7f) << 24 | ($arg1 & 0xff) << 16 | ($arg2 & 0xff) << 8 | ($arg3 & 0xff) << 0 ); } } // int getRed() function getRed() { return ($this->value >> 16) & 0xff; } // int getGreen() function getGreen() { return ($this->value >> 8) & 0xff; } // int getBlue() function getBlue() { return ($this->value >> 0) & 0xff; } // int getAlpha() function getAlpha() { return 100 - (($this->value >> 24) & 0x7f) / 1.27; } // int getRGB() function getRGB() { return $this->value; } // int getTransparent() function getTransparent() { return ((0x7f << 24) | ($this->getRed() << 16) | ($this->getGreen() << 8) | $this->getBlue()); } } ?> |