/**
* Image_Graph_Font [Constructor]
*/
function Image_Graph_Font($name = false, $size = false)
{
parent::Image_Graph_Common();
if ($name !== false) {
$this->_name = $name;
}
if ($size !== false) {
$this->_size = $size;
}
}
/**
* Image_Graph_Font [Constructor]
*
* @param string $name Font name
* @param int $size Font size
*/
function Image_Graph_Font($name = false, $size = false)
{
parent::__construct();
if ($name !== false) {
$this->_name = $name;
}
if ($size !== false) {
$this->_size = $size;
}
}
/**
* Get the canvas
*
* @return Image_Canvas The canvas
* @access private
*/
function &_getCanvas()
{
if ($this->_canvas !== null || $this->_canvas !== false) {
return $this->_canvas;
} elseif (is_a($this->_parent, 'Image_Graph_Common')) {
$this->_canvas =& $this->_parent->_getCanvas();
return $this->_canvas;
} else {
$this->_error('Invalid canvas');
$result = null;
return $result;
}
}
/**
* Output the element to the canvas
*
* @return bool Was the output 'good' (true) or 'bad' (false).
* @see Image_Graph_Common
* @access private
*/
function _done()
{
$background = $this->_getBackground();
$border = $this->_getBorderStyle();
if ($background || $border) {
$this->_canvas->rectangle(array('x0' => $this->_left, 'y0' => $this->_top, 'x1' => $this->_right, 'y1' => $this->_bottom));
}
$result = parent::_done();
if ($this->_shadow !== false) {
$this->_displayShadow();
}
return $result;
}
/**
* Output the element to the canvas
* @see Image_Graph_Common
* @access private
*/
function _done()
{
if (is_a($this->_fillStyle, "Image_Graph_Fill")) {
$this->_fillStyle->_reset();
}
if ($this->_background != null) {
$this->_debug("Drawing background");
ImageFilledRectangle($this->_canvas(), $this->_left, $this->_top, $this->_right, $this->_bottom, $this->_getBackground());
}
if ($this->_identify) {
$this->_debug("Identifying");
$red = rand(0, 255);
$green = rand(0, 255);
$blue = rand(0, 255);
$color = ImageColorAllocate($this->_canvas(), $red, $green, $blue);
if (isset($GLOBALS['_Image_Graph_gd2'])) {
$alphaColor = ImageColorResolveAlpha($this->_canvas(), $red, $green, $blue, 200);
} else {
$alphaColor = $color;
}
ImageRectangle($this->_canvas(), $this->_left, $this->_top, $this->_right, $this->_bottom, $color);
ImageFilledRectangle($this->_canvas(), $this->_left, $this->_top, $this->_right, $this->_bottom, $alphaColor);
if ($this->_identifyText) {
$text = eregi_replace("<[^>]*>([^<]*)", "\\1", $this->_identification());
if (ImageFontWidth(IMAGE_GRAPH_FONT) * strlen($text) > $this->width()) {
$x = max($this->_left, min($this->_right, $this->_left + ($this->width() - ImageFontHeight(IMAGE_GRAPH_FONT)) / 2));
$y = max($this->_top, min($this->_bottom, $this->_bottom - ($this->height() - ImageFontWidth(IMAGE_GRAPH_FONT) * strlen($text)) / 2));
ImageStringUp($this->_canvas(), FONT, $x, $y, $text, $color);
} else {
$x = max($this->_left, min($this->_right, $this->_left + ($this->width() - ImageFontWidth(IMAGE_GRAPH_FONT) * strlen($text)) / 2));
$y = max($this->_top, min($this->_bottom, $this->_top + ($this->height() - ImageFontHeight(IMAGE_GRAPH_FONT)) / 2));
ImageString($this->_canvas(), FONT, $x, $y, $text, $color);
}
}
}
if ($this->_borderStyle != null) {
$this->_debug("Drawing border");
ImageRectangle($this->_canvas(), $this->_left, $this->_top, $this->_right, $this->_bottom, ((is_a($this->_borderStyle, "Image_Graph_Color")) ? $this->_borderStyle->_index : $this->_borderStyle->_getLineStyle()));
}
parent::_done();
if ($this->_shadow) {
$this->_displayShadow();
}
}
/**
* Image_Graph_SolidLine [Constructor]
*
* @param mixed $color The color of the line
*/
function Image_Graph_Line_Solid($color)
{
parent::Image_Graph_Common();
$this->_color = $color;
}
/**
* Create a new Image_Graph_color.
* @param int $red The red part or the whole part
* @param int $green The green part (or nothing), or the alpha channel
* @param int $blue The blue part (or nothing)
* @param int $alpha The alpha channel (or nothing)
*/
function newColor($red, $green = false, $blue = false, $alpha = false)
{
$this->_debug("Creating color Red = $red, Green/Alpha = $green, Blue = $blue, Alpha = $alpha");
if ($this->_parent) {
$this->_parent->newColor($red, $green, $blue, $alpha);
}
}
/**
* Image_Graph_Font [Constructor]
*/
function Image_Graph_Font()
{
parent::__construct();
}
/**
* Return the linestyle
*
* @return int A GD Linestyle
* @access private
*/
function _getLineStyle($ID = false)
{
if ($ID === false || !isset($this->_lineStyles[$ID])) {
$ID = key($this->_lineStyles);
if (!next($this->_lineStyles)) {
reset($this->_lineStyles);
}
}
$lineStyle =& $this->_lineStyles[$ID];
if (is_object($lineStyle)) {
return $lineStyle->_getLineStyle($ID);
} elseif ($lineStyle !== null) {
return $lineStyle;
} else {
return parent::_getLineStyle($ID);
}
}
/**
* Image_Graph_SolidLine [Constructor]
*
* @param mixed $color The color of the line
*/
function Image_Graph_Line_Solid($color)
{
parent::__construct();
$this->_color = $color;
}
/**
* Image_Graph_SolidLine [Constructor]
*
* @param mixed $color The color of the line
*/
function __construct($color)
{
parent::__construct();
$this->_color = $color;
}
/**
* Sets the parent. The parent chain should ultimately be a GraPHP object
* @see Image_Graph_Common
* @param Image_Graph_Common Parent The parent
* @access private
*/
function _setParent(& $parent)
{
parent::_setParent($parent);
if ((!$this->_alpha) or (!$GLOBALS['_Image_Graph_gd2'])) {
$this->_index = ImageColorAllocate($this->_canvas(), $this->_red, $this->_green, $this->_blue);
} else {
$this->_index = ImageColorResolveAlpha($this->_canvas(), $this->_red, $this->_green, $this->_blue, $this->_alpha);
}
}
