/**
* Return the fillstyle at positions X, Y
* @param int $x The X position
* @param int $y The Y position
* @param int $w The Width
* @param int $h The Height
* @return int A GD fillstyle
* @access private
*/
function _getFillStyleAt($x, $y, $w, $h)
{
$this->_getFillStyle();
if (isset($GLOBALS['_Image_Graph_gd2'])) {
ImageCopyResampled($this->_image, $this->_image, $x, $y, $this->_left, $this->_top, $w, $h, $this->width() + 1, $this->height() + 1);
} else {
ImageCopyResized($this->_image, $this->_image, $x, $y, $this->_left, $this->_top, $w, $h, $this->width() + 1, $this->height() + 1);
}
ImageSetTile($this->_canvas(), $this->_image);
return IMG_COLOR_TILED;
}
/**
* Get the GD applicable fillstyle
*
* @param mixed $fillStyle The fillstyle to return, false if the one
* explicitly set
* @return mixed A GD compatible fillstyle
* @access private
*/
function _getFillStyle($fillStyle = false, $x0 = 0, $y0 = 0, $x1 = 0, $y1 = 0)
{
if ($this->_tileImage != null) {
ImageDestroy($this->_tileImage);
$this->_tileImage = null;
}
if ($fillStyle == 'transparent') {
return false;
} elseif ($fillStyle === false) {
if (is_resource($this->_fillStyle)) {
$x = min($x0, $x1);
$y = min($y0, $y1);
$w = abs($x1 - $x0) + 1;
$h = abs($y1 - $y0) + 1;
if ($this->_gd2) {
$this->_tileImage = ImageCreateTrueColor($this->getWidth(), $this->getHeight());
ImageCopyResampled($this->_tileImage, $this->_fillStyle, $x, $y, 0, 0, $w, $h, ImageSX($this->_fillStyle), ImageSY($this->_fillStyle));
} else {
$this->_tileImage = ImageCreate($this->getWidth(), $this->getHeight());
ImageCopyResized($this->_tileImage, $this->_fillStyle, $x, $y, 0, 0, $w, $h, ImageSX($this->_fillStyle), ImageSY($this->_fillStyle));
}
ImageSetTile($this->_canvas, $this->_tileImage);
return IMG_COLOR_TILED;
} elseif (is_array($this->_fillStyle) && isset($this->_fillStyle['direction'])) {
$width = abs($x1 - $x0) + 1;
$height = abs($y1 - $y0) + 1;
switch ($this->_fillStyle['direction']) {
case 'horizontal':
$count = $width;
break;
case 'vertical':
$count = $height;
break;
case 'horizontal_mirror':
$count = $width / 2;
break;
case 'vertical_mirror':
$count = $height / 2;
break;
case 'diagonal_tl_br':
case 'diagonal_bl_tr':
$count = sqrt($width * $width + $height * $height);
break;
case 'radial':
$count = max($width, $height, sqrt($width * $width + $height * $height)) + 1;
break;
}
$count = round($count);
if ($this->_gd2) {
$this->_tileImage = ImageCreateTrueColor($this->getWidth(), $this->getHeight());
} else {
$this->_tileImage = ImageCreate($this->getWidth(), $this->getHeight());
}
$startColor = Image_Canvas_Color::color2RGB($this->_fillStyle['direction'] == 'radial' ? $this->_fillStyle['end'] : $this->_fillStyle['start']);
$endColor = Image_Canvas_Color::color2RGB($this->_fillStyle['direction'] == 'radial' ? $this->_fillStyle['start'] : $this->_fillStyle['end']);
$redIncrement = ($endColor[0] - $startColor[0]) / $count;
$greenIncrement = ($endColor[1] - $startColor[1]) / $count;
$blueIncrement = ($endColor[2] - $startColor[2]) / $count;
$color = false;
for ($i = 0; $i < $count; $i++) {
unset($color);
if ($i == 0) {
$color = $startColor;
unset($color[3]);
} else {
$color[0] = round($redIncrement * $i + $redIncrement + $startColor[0]);
$color[1] = round($greenIncrement * $i + $greenIncrement + $startColor[1]);
$color[2] = round($blueIncrement * $i + $blueIncrement + $startColor[2]);
}
$color = Image_Canvas_Color::allocateColor($this->_tileImage, $color);
switch ($this->_fillStyle['direction']) {
case 'horizontal':
ImageLine($this->_tileImage, $x0 + $i, $y0, $x0 + $i, $y1, $color);
break;
case 'vertical':
ImageLine($this->_tileImage, $x0, $y1 - $i, $x1, $y1 - $i, $color);
break;
case 'horizontal_mirror':
if ($x0 + $i <= $x1 - $i) {
ImageLine($this->_tileImage, $x0 + $i, $y0, $x0 + $i, $y1, $color);
ImageLine($this->_tileImage, $x1 - $i, $y0, $x1 - $i, $y1, $color);
}
break;
case 'vertical_mirror':
if ($y0 + $i <= $y1 - $i) {
ImageLine($this->_tileImage, $x0, $y0 + $i, $x1, $y0 + $i, $color);
ImageLine($this->_tileImage, $x0, $y1 - $i, $x1, $y1 - $i, $color);
}
break;
case 'diagonal_tl_br':
if ($i > $width && $i > $height) {
$polygon = array($x1, $y0 + $i - $width - 1, $x1, $y1, $x0 + $i - $height - 1, $y1);
} elseif ($i > $width) {
$polygon = array($x0, $y0 + $i, $x0, $y1, $x1, $y1, $x1, $y0 + $i - $width - 1);
} elseif ($i > $height) {
$polygon = array($x0 + $i - $height - 1, $y1, $x1, $y1, $x1, $y0, $x0 + $i, $y0);
} else {
$polygon = array($x0, $y0 + $i, $x0, $y1, $x1, $y1, $x1, $y0, $x0 + $i, $y0);
}
ImageFilledPolygon($this->_tileImage, $polygon, count($polygon) / 2, $color);
break;
case 'diagonal_bl_tr':
if ($i > $width && $i > $height) {
$polygon = array($x1, $y1 - $i + $width - 1, $x1, $y0, $x0 + $i - $height - 1, $y0);
} elseif ($i > $width) {
$polygon = array($x0, $y1 - $i, $x0, $y0, $x1, $y0, $x1, $y1 - $i + $width - 1);
} elseif ($i > $height) {
$polygon = array($x0 + $i - $height - 1, $y0, $x1, $y0, $x1, $y1, $x0 + $i, $y1);
} else {
$polygon = array($x0, $y1 - $i, $x0, $y0, $x1, $y0, $x1, $y1, $x0 + $i, $y1);
}
ImageFilledPolygon($this->_tileImage, $polygon, count($polygon) / 2, $color);
break;
case 'radial':
if ($this->_gd2 && $i < $count) {
ImageFilledEllipse($this->_tileImage, $x0 + $width / 2, $y0 + $height / 2, $count - $i, $count - $i, $color);
}
break;
}
}
ImageSetTile($this->_canvas, $this->_tileImage);
return IMG_COLOR_TILED;
} else {
return $this->_color($this->_fillStyle);
}
} else {
return $this->_color($fillStyle);
}
}
<?php $im = ImageCreate(200, 100); $black = ImageColorAllocate($im, 0, 0, 0); $im_tile = ImageCreateFromGif(dirname(__FILE__) . "/bug43121.gif"); ImageSetTile($im, $im_tile); ImageFill($im, 0, 0, IMG_COLOR_TILED); ImageDestroy($im); print "OK";
