function ImageBorder(&$gdimg, $border_width, $radius_x, $radius_y, $hexcolor_border)
{
$border_width = $border_width ? $border_width : 1;
$radius_x = $radius_x ? $radius_x : 0;
$radius_y = $radius_y ? $radius_y : 0;
$output_width = ImageSX($gdimg);
$output_height = ImageSY($gdimg);
list($new_width, $new_height) = phpthumb_functions::ProportionalResize($output_width, $output_height, $output_width - max($border_width * 2, $radius_x), $output_height - max($border_width * 2, $radius_y));
$offset_x = $radius_x ? $output_width - $new_width - $radius_x : 0;
$offset_y = $radius_y ? $output_height - $new_height - $radius_y : 0;
if ($gd_border_canvas = phpthumb_functions::ImageCreateFunction($output_width, $output_height)) {
if (phpthumb_functions::version_compare_replacement(phpversion(), '4.3.2', '>=')) {
ImageSaveAlpha($gd_border_canvas, true);
}
ImageAlphaBlending($gd_border_canvas, false);
$color_background = phpthumb_functions::ImageColorAllocateAlphaSafe($gd_border_canvas, 255, 255, 255, 127);
ImageFilledRectangle($gd_border_canvas, 0, 0, $output_width, $output_height, $color_background);
$color_border = phpthumb_functions::ImageHexColorAllocate($gd_border_canvas, phpthumb_functions::IsHexColor($hexcolor_border) ? $hexcolor_border : '000000');
for ($i = 0; $i < $border_width; $i++) {
ImageLine($gd_border_canvas, floor($offset_x / 2) + $radius_x, $i, $output_width - $radius_x - ceil($offset_x / 2), $i, $color_border);
// top
ImageLine($gd_border_canvas, floor($offset_x / 2) + $radius_x, $output_height - 1 - $i, $output_width - $radius_x - ceil($offset_x / 2), $output_height - 1 - $i, $color_border);
// bottom
ImageLine($gd_border_canvas, floor($offset_x / 2) + $i, $radius_y, floor($offset_x / 2) + $i, $output_height - $radius_y, $color_border);
// left
ImageLine($gd_border_canvas, $output_width - 1 - $i - ceil($offset_x / 2), $radius_y, $output_width - 1 - $i - ceil($offset_x / 2), $output_height - $radius_y, $color_border);
// right
}
if ($radius_x && $radius_y) {
// PHP bug: ImageArc() with thicknesses > 1 give bad/undesirable/unpredicatable results
// Solution: Draw multiple 1px arcs side-by-side.
// Problem: parallel arcs give strange/ugly antialiasing problems
// Solution: draw non-parallel arcs, from one side of the line thickness at the start angle
// to the opposite edge of the line thickness at the terminating angle
for ($thickness_offset = 0; $thickness_offset < $border_width; $thickness_offset++) {
ImageArc($gd_border_canvas, floor($offset_x / 2) + 1 + $radius_x, $thickness_offset - 1 + $radius_y, $radius_x * 2, $radius_y * 2, 180, 270, $color_border);
// top-left
ImageArc($gd_border_canvas, $output_width - $radius_x - 1 - ceil($offset_x / 2), $thickness_offset - 1 + $radius_y, $radius_x * 2, $radius_y * 2, 270, 360, $color_border);
// top-right
ImageArc($gd_border_canvas, $output_width - $radius_x - 1 - ceil($offset_x / 2), $output_height - $thickness_offset - $radius_y, $radius_x * 2, $radius_y * 2, 0, 90, $color_border);
// bottom-right
ImageArc($gd_border_canvas, floor($offset_x / 2) + 1 + $radius_x, $output_height - $thickness_offset - $radius_y, $radius_x * 2, $radius_y * 2, 90, 180, $color_border);
// bottom-left
}
if ($border_width > 1) {
for ($thickness_offset = 0; $thickness_offset < $border_width; $thickness_offset++) {
ImageArc($gd_border_canvas, floor($offset_x / 2) + $thickness_offset + $radius_x, $radius_y, $radius_x * 2, $radius_y * 2, 180, 270, $color_border);
// top-left
ImageArc($gd_border_canvas, $output_width - $thickness_offset - $radius_x - 1 - ceil($offset_x / 2), $radius_y, $radius_x * 2, $radius_y * 2, 270, 360, $color_border);
// top-right
ImageArc($gd_border_canvas, $output_width - $thickness_offset - $radius_x - 1 - ceil($offset_x / 2), $output_height - $radius_y, $radius_x * 2, $radius_y * 2, 0, 90, $color_border);
// bottom-right
ImageArc($gd_border_canvas, floor($offset_x / 2) + $thickness_offset + $radius_x, $output_height - $radius_y, $radius_x * 2, $radius_y * 2, 90, 180, $color_border);
// bottom-left
}
}
}
phpthumb_functions::ImageResizeFunction($gd_border_canvas, $gdimg, floor(($output_width - $new_width) / 2), round(($output_height - $new_height) / 2), 0, 0, $new_width, $new_height, $output_width, $output_height);
ImageDestroy($gdimg);
$gdimg = phpthumb_functions::ImageCreateFunction($output_width, $output_height);
if (phpthumb_functions::version_compare_replacement(phpversion(), '4.3.2', '>=')) {
ImageSaveAlpha($gdimg, true);
}
ImageAlphaBlending($gdimg, false);
$gdimg_color_background = phpthumb_functions::ImageColorAllocateAlphaSafe($gdimg, 255, 255, 255, 127);
ImageFilledRectangle($gdimg, 0, 0, $output_width, $output_height, $gdimg_color_background);
ImageCopy($gdimg, $gd_border_canvas, 0, 0, 0, 0, $output_width, $output_height);
//$gdimg = $gd_border_canvas;
ImageDestroy($gd_border_canvas);
return true;
} else {
$this->DebugMessage('FAILED: $gd_border_canvas = phpthumb_functions::ImageCreateFunction(' . $output_width . ', ' . $output_height . ')', __FILE__, __LINE__);
}
return false;
}
function ApplyFilters()
{
if ($this->fltr && is_array($this->fltr)) {
if (!(include_once dirname(__FILE__) . '/phpthumb.filters.php')) {
$this->DebugMessage('Error including "' . dirname(__FILE__) . '/phpthumb.filters.php" which is required for applying filters (' . implode(';', $this->fltr) . ')', __FILE__, __LINE__);
return false;
}
foreach ($this->fltr as $filtercommand) {
@(list($command, $parameter) = explode('|', $filtercommand, 2));
$this->DebugMessage('Attempting to process filter command "' . $command . '"', __FILE__, __LINE__);
switch ($command) {
case 'brit':
phpthumb_filters::Brightness($this->gdimg_output, $parameter);
break;
case 'cont':
phpthumb_filters::Contrast($this->gdimg_output, $parameter);
break;
case 'ds':
phpthumb_filters::Desaturate($this->gdimg_output, $parameter, '');
break;
case 'sat':
phpthumb_filters::Saturation($this->gdimg_output, $parameter, '');
break;
case 'gray':
phpthumb_filters::Grayscale($this->gdimg_output);
break;
case 'clr':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping Colorize() because gd_version is "' . phpthumb_functions::gd_version() . '"', __FILE__, __LINE__);
break;
}
@(list($amount, $color) = explode('|', $parameter));
phpthumb_filters::Colorize($this->gdimg_output, $amount, $color);
break;
case 'sep':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping Sepia() because gd_version is "' . phpthumb_functions::gd_version() . '"', __FILE__, __LINE__);
break;
}
@(list($amount, $color) = explode('|', $parameter));
phpthumb_filters::Sepia($this->gdimg_output, $amount, $color);
break;
case 'gam':
phpthumb_filters::Gamma($this->gdimg_output, $parameter);
break;
case 'neg':
phpthumb_filters::Negative($this->gdimg_output);
break;
case 'th':
phpthumb_filters::Threshold($this->gdimg_output, $parameter);
break;
case 'rcd':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping ReduceColorDepth() because gd_version is "' . phpthumb_functions::gd_version() . '"', __FILE__, __LINE__);
break;
}
@(list($colors, $dither) = explode('|', $parameter));
$colors = $colors ? (int) $colors : 256;
$dither = strlen($dither) > 0 ? (bool) $dither : true;
phpthumb_filters::ReduceColorDepth($this->gdimg_output, $colors, $dither);
break;
case 'flip':
phpthumb_filters::Flip($this->gdimg_output, strpos(strtolower($parameter), 'x') !== false, strpos(strtolower($parameter), 'y') !== false);
break;
case 'edge':
phpthumb_filters::EdgeDetect($this->gdimg_output);
break;
case 'emb':
phpthumb_filters::Emboss($this->gdimg_output);
break;
case 'bvl':
@(list($width, $color1, $color2) = explode('|', $parameter));
phpthumb_filters::Bevel($this->gdimg_output, $width, $color1, $color2);
break;
case 'lvl':
@(list($band, $min, $max) = explode('|', $parameter));
$band = $band ? $band : '*';
$min = strlen($min) > 0 ? $min : '-1';
$max = strlen($max) > 0 ? $max : '-1';
phpthumb_filters::HistogramStretch($this->gdimg_output, $band, $min, $max);
break;
case 'wb':
phpthumb_filters::WhiteBalance($this->gdimg_output, $parameter);
break;
case 'hist':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping HistogramOverlay() because gd_version is "' . phpthumb_functions::gd_version() . '"', __FILE__, __LINE__);
break;
}
@(list($bands, $colors, $width, $height, $alignment, $opacity, $margin) = explode('|', $parameter));
$bands = $bands ? $bands : '*';
$colors = $colors ? $colors : '';
$width = $width ? $width : 0.25;
$height = $height ? $height : 0.25;
$alignment = $alignment ? $alignment : 'BR';
$opacity = $opacity ? $opacity : 50;
$margin = $margin ? $margin : 5;
phpthumb_filters::HistogramOverlay($this->gdimg_output, $bands, $colors, $width, $height, $alignment, $opacity, $margin);
break;
case 'fram':
@(list($frame_width, $edge_width, $color_frame, $color1, $color2) = explode('|', $parameter));
phpthumb_filters::Frame($this->gdimg_output, $frame_width, $edge_width, $color_frame, $color1, $color2);
break;
case 'drop':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping DropShadow() because gd_version is "' . phpthumb_functions::gd_version() . '"', __FILE__, __LINE__);
return false;
}
$this->is_alpha = true;
@(list($distance, $width, $color, $angle, $fade) = explode('|', $parameter));
phpthumb_filters::DropShadow($this->gdimg_output, $distance, $width, $color, $angle, $fade);
break;
case 'mask':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping Mask() because gd_version is "' . phpthumb_functions::gd_version() . '"', __FILE__, __LINE__);
return false;
}
$mask_filename = $this->ResolveFilenameToAbsolute($parameter);
if (@is_readable($mask_filename) && ($fp_mask = @fopen($mask_filename, 'rb'))) {
$MaskImageData = fread($fp_mask, filesize($mask_filename));
fclose($fp_mask);
if ($gdimg_mask = $this->ImageCreateFromStringReplacement($MaskImageData)) {
$this->is_alpha = true;
phpthumb_filters::ApplyMask($gdimg_mask, $this->gdimg_output);
ImageDestroy($gdimg_mask);
} else {
$this->DebugMessage('ImageCreateFromStringReplacement() failed for "' . $mask_filename . '"', __FILE__, __LINE__);
}
} else {
$this->DebugMessage('Cannot open mask file "' . $mask_filename . '"', __FILE__, __LINE__);
}
break;
case 'elip':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping Elipse() because gd_version is "' . phpthumb_functions::gd_version() . '"', __FILE__, __LINE__);
return false;
}
$this->is_alpha = true;
phpthumb_filters::Elipse($this->gdimg_output);
break;
case 'ric':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping RoundedImageCorners() because gd_version is "' . phpthumb_functions::gd_version() . '"', __FILE__, __LINE__);
return false;
}
@(list($radius_x, $radius_y) = explode('|', $parameter));
if ($radius_x < 1 || $radius_y < 1) {
$this->DebugMessage('Skipping RoundedImageCorners(' . $radius_x . ', ' . $radius_y . ') because x/y radius is less than 1', __FILE__, __LINE__);
break;
}
$this->is_alpha = true;
phpthumb_filters::RoundedImageCorners($this->gdimg_output, $radius_x, $radius_y);
break;
case 'bord':
@(list($border_width, $radius_x, $radius_y, $hexcolor_border) = explode('|', $parameter));
$this->is_alpha = true;
phpthumb_filters::ImageBorder($this->gdimg_output, $border_width, $radius_x, $radius_y, $hexcolor_border);
break;
case 'over':
@(list($filename, $underlay, $margin, $opacity) = explode('|', $parameter));
$underlay = (bool) ($underlay ? $underlay : false);
$margin = strlen($margin) > 0 ? $margin : ($underlay ? 0.1 : 0.0);
$opacity = strlen($opacity) > 0 ? $opacity : 100;
if ($margin > 0 && $margin < 1) {
$margin = min(0.499, $margin);
} elseif ($margin > -1 && $margin < 0) {
$margin = max(-0.499, $margin);
}
$filename = $this->ResolveFilenameToAbsolute($filename);
if (@is_readable($filename) && ($fp_watermark = @fopen($filename, 'rb'))) {
$WatermarkImageData = fread($fp_watermark, filesize($filename));
fclose($fp_watermark);
if ($img_watermark = $this->ImageCreateFromStringReplacement($WatermarkImageData)) {
if ($margin < 1) {
$resized_x = max(1, ImageSX($this->gdimg_output) - round(2 * (ImageSX($this->gdimg_output) * $margin)));
$resized_y = max(1, ImageSY($this->gdimg_output) - round(2 * (ImageSY($this->gdimg_output) * $margin)));
} else {
$resized_x = max(1, ImageSX($this->gdimg_output) - round(2 * $margin));
$resized_y = max(1, ImageSY($this->gdimg_output) - round(2 * $margin));
}
if ($underlay) {
if ($img_watermark_resized = phpthumb_functions::ImageCreateFunction(ImageSX($this->gdimg_output), ImageSY($this->gdimg_output))) {
ImageAlphaBlending($img_watermark_resized, false);
ImageSaveAlpha($img_watermark_resized, true);
phpthumb_functions::ImageResizeFunction($img_watermark_resized, $img_watermark, 0, 0, 0, 0, ImageSX($img_watermark_resized), ImageSY($img_watermark_resized), ImageSX($img_watermark), ImageSY($img_watermark));
if ($img_source_resized = phpthumb_functions::ImageCreateFunction($resized_x, $resized_y)) {
ImageAlphaBlending($img_source_resized, false);
ImageSaveAlpha($img_source_resized, true);
phpthumb_functions::ImageResizeFunction($img_source_resized, $this->gdimg_output, 0, 0, 0, 0, ImageSX($img_source_resized), ImageSY($img_source_resized), ImageSX($this->gdimg_output), ImageSY($this->gdimg_output));
phpthumb_filters::WatermarkOverlay($img_watermark_resized, $img_source_resized, 'C', $opacity, $margin);
ImageCopy($this->gdimg_output, $img_watermark_resized, 0, 0, 0, 0, ImageSX($this->gdimg_output), ImageSY($this->gdimg_output));
} else {
$this->DebugMessage('phpthumb_functions::ImageCreateFunction(' . $resized_x . ', ' . $resized_y . ')', __FILE__, __LINE__);
}
ImageDestroy($img_watermark_resized);
} else {
$this->DebugMessage('phpthumb_functions::ImageCreateFunction(' . ImageSX($this->gdimg_output) . ', ' . ImageSY($this->gdimg_output) . ')', __FILE__, __LINE__);
}
} else {
// overlay
if ($img_watermark_resized = phpthumb_functions::ImageCreateFunction($resized_x, $resized_y)) {
ImageAlphaBlending($img_watermark_resized, false);
ImageSaveAlpha($img_watermark_resized, true);
phpthumb_functions::ImageResizeFunction($img_watermark_resized, $img_watermark, 0, 0, 0, 0, ImageSX($img_watermark_resized), ImageSY($img_watermark_resized), ImageSX($img_watermark), ImageSY($img_watermark));
phpthumb_filters::WatermarkOverlay($this->gdimg_output, $img_watermark_resized, 'C', $opacity, $margin);
ImageDestroy($img_watermark_resized);
} else {
$this->DebugMessage('phpthumb_functions::ImageCreateFunction(' . $resized_x . ', ' . $resized_y . ')', __FILE__, __LINE__);
}
}
ImageDestroy($img_watermark);
} else {
$this->DebugMessage('ImageCreateFromStringReplacement() failed for "' . $filename . '"', __FILE__, __LINE__);
}
} else {
$this->DebugMessage('Cannot open overlay file "' . $filename . '"', __FILE__, __LINE__);
}
break;
case 'wmi':
@(list($filename, $alignment, $opacity, $margin) = explode('|', $parameter));
$alignment = $alignment ? $alignment : 'BR';
$opacity = strlen($opacity) ? $opacity : 50;
$margin = strlen($margin) ? $margin : 5;
$filename = $this->ResolveFilenameToAbsolute($filename);
if (@is_readable($filename) && ($fp_watermark = @fopen($filename, 'rb'))) {
$WatermarkImageData = fread($fp_watermark, filesize($filename));
fclose($fp_watermark);
if ($img_watermark = $this->ImageCreateFromStringReplacement($WatermarkImageData)) {
// great
phpthumb_filters::WatermarkOverlay($this->gdimg_output, $img_watermark, $alignment, $opacity, $margin);
ImageDestroy($img_watermark);
} else {
$this->DebugMessage('ImageCreateFromStringReplacement() failed for "' . $filename . '"', __FILE__, __LINE__);
}
} else {
$this->DebugMessage('Cannot open watermark file "' . $filename . '"', __FILE__, __LINE__);
}
break;
case 'wmt':
@(list($text, $size, $alignment, $hex_color, $ttffont, $opacity, $margin, $angle) = explode('|', $parameter));
$text = $text ? $text : '';
$size = $size ? $size : 3;
$alignment = $alignment ? $alignment : 'BR';
$hex_color = $hex_color ? $hex_color : '000000';
$ttffont = $ttffont ? $ttffont : '';
$opacity = strlen($opacity) ? $opacity : 50;
$margin = strlen($margin) ? $margin : 5;
$angle = strlen($angle) ? $angle : 0;
if (basename($ttffont) == $ttffont) {
$ttffont = realpath($this->config_ttf_directory . $this->osslash . $ttffont);
} else {
$ttffont = $this->ResolveFilenameToAbsolute($ttffont);
}
phpthumb_filters::WatermarkText($this->gdimg_output, $text, $size, $alignment, $hex_color, $ttffont, $opacity, $margin, $angle);
break;
case 'blur':
@(list($radius) = explode('|', $parameter));
$radius = $radius ? $radius : 1;
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping Blur() because gd_version is "' . phpthumb_functions::gd_version() . '"', __FILE__, __LINE__);
return false;
}
phpthumb_filters::Blur($this->gdimg_output, $radius);
break;
case 'gblr':
phpthumb_filters::BlurGaussian($this->gdimg_output);
break;
case 'sblr':
phpthumb_filters::BlurSelective($this->gdimg_output);
break;
case 'mean':
phpthumb_filters::MeanRemoval($this->gdimg_output);
break;
case 'smth':
phpthumb_filters::Smooth($this->gdimg_output, $parameter);
break;
case 'usm':
@(list($amount, $radius, $threshold) = explode('|', $parameter));
$amount = $amount ? $amount : 80;
$radius = $radius ? $radius : 0.5;
$threshold = strlen($threshold) ? $threshold : 3;
if (phpthumb_functions::gd_version() >= 2.0) {
ob_start();
if (!@(include_once dirname(__FILE__) . '/phpthumb.unsharp.php')) {
$include_error = ob_get_contents();
if ($include_error) {
$this->DebugMessage('include_once("' . dirname(__FILE__) . '/phpthumb.unsharp.php") generated message: "' . $include_error . '"', __FILE__, __LINE__);
}
ob_end_clean();
$this->DebugMessage('Error including "' . dirname(__FILE__) . '/phpthumb.unsharp.php" which is required for unsharp masking', __FILE__, __LINE__);
return false;
}
ob_end_clean();
phpUnsharpMask::applyUnsharpMask($this->gdimg_output, $amount, $radius, $threshold);
} else {
$this->DebugMessage('Skipping unsharp mask because gd_version is "' . phpthumb_functions::gd_version() . '"', __FILE__, __LINE__);
return false;
}
break;
}
}
}
return true;
}