public function generate()
{
$src_x = $this->_owner->getImageWidth();
$src_y = $this->_owner->getImageHeight();
$old_x = $this->_owner->getImageWidth();
$old_y = $this->_owner->getImageHeight();
//Resize the image to be a set size proportionate to the aspect ratio
//Default to the old size
$canvas_x = $old_x;
$canvas_y = $old_y;
if ($this->_resize_x > 0 and $this->_resize_y > 0) {
$canvas_x = $this->_resize_x;
$canvas_y = $this->_resize_y;
} elseif ($this->_resize_x > 0) {
if ($this->_resize_x < $old_x) {
$canvas_x = $this->_resize_x;
$canvas_y = floor($this->_resize_x / $old_x * $old_y);
}
} elseif ($this->_resize_y > 0) {
if ($this->_resize_y < $old_y) {
$canvas_x = floor($this->_resize_y / $old_y * $old_x);
$canvas_y = $this->_resize_y;
}
}
$dst_x = $canvas_x;
$dst_y = $canvas_y;
$dst = new Canvas();
$dst->createImageTrueColorTransparent($dst_x, $dst_y);
imagecopyresampled($dst->image, $this->_owner->image, 0, 0, 0, 0, $dst_x, $dst_y, $src_x, $src_y);
$this->_owner->image = $dst->image;
unset($dst);
return true;
}
public function generate()
{
$width = $this->_owner->getImageWidth();
$height = $this->_owner->getImageHeight();
$matrix = $this->_matrix;
$matrix_width = count($matrix);
$matrix_sum = array_sum($matrix);
$m_offset = floor($matrix_width / 2);
$p1 = $p2 = array();
for ($y = 0; $y < $height; $y++) {
for ($x = 0; $x < $width; $x++) {
$color = Color::intColorToArrayColor($this->_owner->imageColorAt($x, $y));
$p1[$x][$y]['r'] = $color['red'];
$p1[$x][$y]['g'] = $color['green'];
$p1[$x][$y]['b'] = $color['blue'];
$p1[$x][$y]['a'] = $color['alpha'];
$p2[$x][$y]['r'] = 255;
$p2[$x][$y]['g'] = 255;
$p2[$x][$y]['b'] = 255;
$p2[$x][$y]['a'] = 127;
}
}
$temp = new Canvas();
$temp->createImageTrueColorTransparent($width, $height);
imagesavealpha($temp->image, true);
imagealphablending($temp->image, true);
for ($i = $m_offset; $i < $width - $m_offset; $i++) {
for ($j = $m_offset; $j < $height - $m_offset; $j++) {
$sumr = $sumg = $sumb = $suma = 0;
for ($k = 0; $k < $matrix_width; $k++) {
$xx = $i - ($matrix_width >> 1) + $k;
$sumr += $p1[$xx][$j]['r'] * $matrix[$k];
$sumg += $p1[$xx][$j]['g'] * $matrix[$k];
$sumb += $p1[$xx][$j]['b'] * $matrix[$k];
$suma += $p1[$xx][$j]['a'] * $matrix[$k];
}
$p2[$i][$j]['r'] = $sumr / $matrix_sum;
$p2[$i][$j]['g'] = $sumg / $matrix_sum;
$p2[$i][$j]['b'] = $sumb / $matrix_sum;
$p2[$i][$j]['a'] = $suma / $matrix_sum;
}
}
for ($i = $m_offset; $i < $width - $m_offset; $i++) {
for ($j = $m_offset; $j < $height - $m_offset; $j++) {
$sumr = $sumg = $sumb = $suma = 0;
for ($k = 0; $k < $matrix_width; $k++) {
$xy = $j - ($matrix_width >> 1) + $k;
$sumr += $p2[$i][$xy]['r'] * $matrix[$k];
$sumg += $p2[$i][$xy]['g'] * $matrix[$k];
$sumb += $p2[$i][$xy]['b'] * $matrix[$k];
$suma += $p2[$i][$xy]['a'] * $matrix[$k];
}
$col = imagecolorallocatealpha($temp->image, $sumr / $matrix_sum, $sumg / $matrix_sum, $sumb / $matrix_sum, $suma / $matrix_sum);
imagesetpixel($temp->image, $i, $j, $col);
}
}
$this->_owner->image = $temp->image;
unset($temp);
return true;
}
public function generate()
{
$src_x = $this->_owner->getImageWidth();
$src_y = $this->_owner->getImageHeight();
$temp = new Canvas();
$temp->createImageTrueColorTransparent($src_x, $src_y + 20);
$text = str_replace('[Filename]', $this->_owner->getProperty('filename'), $this->_info);
switch ($this->_position) {
case 't':
$x = 0;
$y = 20;
$bar_y = 0;
$text_y = 3;
break;
case 'b':
$x = 0;
$y = 0;
$bar_y = $src_y + 20;
$text_y = $bar_y - 20 + 3;
break;
default:
return false;
break;
}
switch ($this->_justify) {
case 'l':
$text_x = 3;
break;
case 'c':
$text_x = ($src_x - imagefontwidth($this->_font) * strlen($text)) / 2;
break;
case 'r':
$text_x = $src_x - 3 - imagefontwidth($this->_font) * strlen($text);
break;
}
//Draw the bar background
$color = Color::hexColorToArrayColor($this->_barcolor);
$bar_color = imagecolorallocate($temp->image, $color['red'], $color['green'], $color['blue']);
imagefilledrectangle($temp->image, 0, $bar_y, $src_x, 20, $bar_color);
//Copy the image
imagecopy($temp->image, $this->_owner->image, $x, $y, 0, 0, $src_x, $src_y);
//Draw the text (to be replaced with image_draw_text one day
$color = Color::hexColorToArrayColor($this->_textcolor);
$text_color = imagecolorallocate($temp->image, $color['red'], $color['green'], $color['blue']);
imagestring($temp->image, $this->_font, $text_x, $text_y, $text, $text_color);
$this->_owner->image = $temp->image;
unset($temp);
return true;
}
public function generate()
{
$width = $this->_owner->getImageWidth();
$height = $this->_owner->getImageHeight();
$temp = new Canvas();
if (!empty($this->_color)) {
$temp->createImageTrueColor($width + ($this->_right + $this->_left), $height + ($this->_top + $this->_bottom));
$arrColor = Color::hexColorToArrayColor($this->_color);
$tempcolor = imagecolorallocate($temp->image, $arrColor['red'], $arrColor['green'], $arrColor['blue']);
imagefilledrectangle($temp->image, 0, 0, $temp->getImageWidth(), $temp->getImageHeight(), $tempcolor);
} else {
$temp->createImageTrueColorTransparent($width + ($this->_right + $this->_left), $height + ($this->_top + $this->_bottom));
}
imagecopy($temp->image, $this->_owner->image, $this->_left, $this->_top, 0, 0, $width, $height);
$this->_owner->image = $temp->image;
unset($temp);
return true;
}
public function generate()
{
$width = $this->_owner->getImageWidth();
$height = $this->_owner->getImageHeight();
//Calculate the cropping area
if ($this->_crop_x > 0 && $width > $this->_crop_x) {
$width = $this->_crop_x;
}
if ($this->_crop_y > 0 && $height > $this->_crop_y) {
$height = $this->_crop_y;
}
$crop = new Canvas();
$crop->createImageTrueColorTransparent($width, $height);
$src_width = $this->_owner->getHandleX() - floor($width / 2);
$src_height = $this->_owner->getHandleY() - floor($height / 2);
imagecopy($crop->image, $this->_owner->image, 0, 0, $src_width, $src_height, $width, $height);
$this->_owner->image = $crop->image;
unset($crop);
return true;
}
public function generate()
{
$width = $this->_owner->getImageWidth();
$height = $this->_owner->getImageHeight();
// default values
$checkTransparency = false;
// define borders to trim away
if (is_null($this->_away)) {
$this->_away = array('top', 'right', 'bottom', 'left');
} elseif (is_string($this->_away)) {
$this->_away = array($this->_away);
}
// lower border names
foreach ($this->_away as $key => $value) {
$this->_away[$key] = strtolower($value);
}
// define base color position
switch (strtolower($this->_base)) {
case 'transparent':
case 'trans':
$checkTransparency = true;
$base_x = 0;
$base_y = 0;
break;
case 'bottom-right':
case 'right-bottom':
$base_x = $width - 1;
$base_y = $height - 1;
break;
default:
case 'top-left':
case 'left-top':
$base_x = 0;
$base_y = 0;
break;
}
// pick base color
if ($checkTransparency) {
// color will only be used to compare alpha channel
$color = array('red' => 255, 'green' => 255, 'blue' => 255, 'alpha' => 0);
} else {
$color = Color::intColorToArrayColor($this->_owner->imageColorAt($base_x, $base_y));
}
$top_x = 0;
$top_y = 0;
$bottom_x = $width;
$bottom_y = $height;
// search upper part of image for colors to trim away
if (in_array('top', $this->_away)) {
for ($y = 0; $y < ceil($height / 2); $y++) {
for ($x = 0; $x < $width; $x++) {
$checkColor = Color::intColorToArrayColor($this->_owner->imageColorAt($x, $y));
if ($checkTransparency) {
$checkColor['red'] = $color['red'];
$checkColor['green'] = $color['green'];
$checkColor['blue'] = $color['blue'];
}
if (Color::differs($color, $checkColor, $this->_tolerance)) {
$top_y = max(0, $y - $this->_feather);
break 2;
}
}
}
}
// search left part of image for colors to trim away
if (in_array('left', $this->_away)) {
for ($x = 0; $x < ceil($width / 2); $x++) {
for ($y = $top_y; $y < $height; $y++) {
$checkColor = Color::intColorToArrayColor($this->_owner->imageColorAt($x, $y));
if ($checkTransparency) {
$checkColor['red'] = $color['red'];
$checkColor['green'] = $color['green'];
$checkColor['blue'] = $color['blue'];
}
if (Color::differs($color, $checkColor, $this->_tolerance)) {
$top_x = max(0, $x - $this->_feather);
break 2;
}
}
}
}
// search lower part of image for colors to trim away
if (in_array('bottom', $this->_away)) {
for ($y = $height - 1; $y >= floor($height / 2) - 1; $y--) {
for ($x = $top_x; $x < $width; $x++) {
$checkColor = Color::intColorToArrayColor($this->_owner->imageColorAt($x, $y));
if ($checkTransparency) {
$checkColor['red'] = $color['red'];
$checkColor['green'] = $color['green'];
$checkColor['blue'] = $color['blue'];
}
if (Color::differs($color, $checkColor, $this->_tolerance)) {
$bottom_y = min($height, $y + 1 + $this->_feather);
break 2;
}
}
}
}
// search right part of image for colors to trim away
if (in_array('right', $this->_away)) {
for ($x = $width - 1; $x >= floor($width / 2) - 1; $x--) {
for ($y = $top_y; $y < $bottom_y; $y++) {
$checkColor = Color::intColorToArrayColor($this->_owner->imageColorAt($x, $y));
if ($checkTransparency) {
$checkColor['red'] = $color['red'];
$checkColor['green'] = $color['green'];
$checkColor['blue'] = $color['blue'];
}
if (Color::differs($color, $checkColor, $this->_tolerance)) {
$bottom_x = min($width, $x + 1 + $this->_feather);
break 2;
}
}
}
}
$trimmed = new Canvas();
$trimmed->createImageTrueColorTransparent($bottom_x - $top_x, $bottom_y - $top_y);
// Preserve transparency
$transIndex = imagecolortransparent($this->_owner->image);
if ($transIndex != -1) {
$rgba = imagecolorsforindex($trimmed->image, $transIndex);
$transColor = imagecolorallocatealpha($trimmed->image, $rgba['red'], $rgba['green'], $rgba['blue'], 127);
imagefill($trimmed->image, 0, 0, $transColor);
imagecolortransparent($trimmed->image, $transColor);
} else {
imagealphablending($trimmed->image, false);
imagesavealpha($trimmed->image, true);
}
imagecopyresampled($trimmed->image, $this->_owner->image, 0, 0, $top_x, $top_y, $bottom_x - $top_x, $bottom_y - $top_y, $bottom_x - $top_x, $bottom_y - $top_y);
$this->_owner->image = $trimmed->image;
return true;
}
public function generate()
{
$width = $this->_owner->getImageWidth();
$height = $this->_owner->getImageHeight();
$distance = $this->_distance;
$matrix = $this->_matrix;
$matrix_width = count($matrix);
$matrix_sum = array_sum($matrix);
$m_offset = floor($matrix_width / 2);
$temp = new Canvas();
$temp->createImageTrueColorTransparent($width + $matrix_width * 2, $height + $matrix_width * 2);
imagecopy($temp->image, $this->_owner->image, $matrix_width, $matrix_width, 0, 0, $width, $height);
$w = $temp->getImageWidth();
$h = $temp->getImageHeight();
for ($y = 0; $y < $h; $y++) {
for ($x = 0; $x < $w; $x++) {
$t = $temp->imagecolorat($x, $y);
$t1 = Color::intColorToArrayColor($t);
$p[$x][$y]['r'] = $t1['red'];
$p[$x][$y]['g'] = $t1['green'];
$p[$x][$y]['b'] = $t1['blue'];
$p[$x][$y]['a'] = $t1['alpha'];
$p1[$x][$y]['r'] = 255;
$p1[$x][$y]['g'] = 255;
$p1[$x][$y]['b'] = 255;
$p1[$x][$y]['a'] = 127;
}
}
$w = $this->_owner->getImageWidth();
$h = $this->_owner->getImageHeight();
$d_offset = $distance - $matrix_width;
if ($this->_color != 'image') {
$arrColor = Color::hexColorToArrayColor($this->_color);
}
$temp->createImageTrueColorTransparent($width + $distance + $m_offset, $height + $distance + $m_offset);
imagesavealpha($temp->image, true);
imagealphablending($temp->image, true);
for ($i = $m_offset; $i < $w + $m_offset + $matrix_width; $i++) {
for ($j = $m_offset; $j < $h + $m_offset + $matrix_width; $j++) {
$sumr = 0;
$sumg = 0;
$sumb = 0;
$suma = 0;
for ($k = 0; $k < $matrix_width; $k++) {
$xx = $i - ($matrix_width >> 1) + $k;
$sumr += $p[$xx][$j]['r'] * $matrix[$k];
$sumg += $p[$xx][$j]['g'] * $matrix[$k];
$sumb += $p[$xx][$j]['b'] * $matrix[$k];
$suma += $p[$xx][$j]['a'] * $matrix[$k];
}
$p1[$i][$j]['r'] = $sumr / $matrix_sum;
$p1[$i][$j]['g'] = $sumg / $matrix_sum;
$p1[$i][$j]['b'] = $sumb / $matrix_sum;
$p1[$i][$j]['a'] = $suma / $matrix_sum;
}
}
for ($i = $m_offset; $i < $w + $m_offset + $matrix_width; $i++) {
for ($j = $m_offset; $j < $h + $m_offset + $matrix_width; $j++) {
$sumr = 0;
$sumg = 0;
$sumb = 0;
$suma = 0;
for ($k = 0; $k < $matrix_width; $k++) {
$xy = $j - ($matrix_width >> 1) + $k;
$sumr += $p1[$i][$xy]['r'] * $matrix[$k];
$sumg += $p1[$i][$xy]['g'] * $matrix[$k];
$sumb += $p1[$i][$xy]['b'] * $matrix[$k];
$suma += $p1[$i][$xy]['a'] * $matrix[$k];
}
if ($this->_color != 'image') {
$col = imagecolorallocatealpha($temp->image, $arrColor['red'], $arrColor['green'], $arrColor['blue'], $suma / $matrix_sum);
} else {
$col = imagecolorallocatealpha($temp->image, $sumr / $matrix_sum, $sumg / $matrix_sum, $sumb / $matrix_sum, $suma / $matrix_sum);
}
imagesetpixel($temp->image, $i + $d_offset, $j + $d_offset, $col);
}
}
imagecopy($temp->image, $this->_owner->image, 0, 0, 0, 0, $width, $height);
$this->_owner->image = $temp->image;
unset($temp);
return true;
}
public function generate()
{
imagesavealpha($this->_owner->image, true);
imagealphablending($this->_owner->image, false);
$image_x = $this->_owner->getImageWidth();
$image_y = $this->_owner->getImageHeight();
$gdCorner = imagecreatefromstring(base64_decode(self::$_cornerpng));
$corner = new Canvas();
$corner->createImageTrueColorTransparent($this->_radius_x, $this->_radius_y);
imagecopyresampled($corner->image, $gdCorner, 0, 0, 0, 0, $this->_radius_x, $this->_radius_y, imagesx($gdCorner), imagesy($gdCorner));
$corner_x = $this->_radius_x - 1;
$corner_y = $this->_radius_y - 1;
for ($y = 0; $y < $corner_y; $y++) {
for ($x = 0; $x < $corner_x; $x++) {
for ($c = 0; $c < 4; $c++) {
switch ($c) {
case 0:
$xo = 0;
$yo = 0;
$cxo = $x;
$cyo = $y;
break;
case 1:
$xo = $image_x - $corner_x;
$yo = 0;
$cxo = $corner_x - $x;
$cyo = $y;
break;
case 2:
$xo = $image_x - $corner_x;
$yo = $image_y - $corner_y;
$cxo = $corner_x - $x;
$cyo = $corner_y - $y;
break;
case 3:
$xo = 0;
$yo = $image_y - $corner_y;
$cxo = $x;
$cyo = $corner_y - $y;
break;
}
$irgb = imagecolorat($this->_owner->image, $xo + $x, $yo + $y);
$r = $irgb >> 16 & 0xff;
$g = $irgb >> 8 & 0xff;
$b = $irgb & 0xff;
$crgb = imagecolorat($corner->image, $cxo, $cyo);
$a = $crgb >> 24 & 0xff;
$colour = imagecolorallocatealpha($this->_owner->image, $r, $g, $b, $a);
switch ($c) {
case 0:
imagesetpixel($this->_owner->image, $x, $y, $colour);
break;
case 1:
imagesetpixel($this->_owner->image, $xo + $x, $y, $colour);
break;
case 2:
imagesetpixel($this->_owner->image, $xo + $x, $yo + $y, $colour);
break;
case 3:
imagesetpixel($this->_owner->image, $x, $yo + $y, $colour);
break;
}
}
}
}
return true;
}