当前位置: 首页>>代码示例>>PHP>>正文


PHP WideImage_Image::getTransparentColor方法代码示例

本文整理汇总了PHP中WideImage_Image::getTransparentColor方法的典型用法代码示例。如果您正苦于以下问题:PHP WideImage_Image::getTransparentColor方法的具体用法?PHP WideImage_Image::getTransparentColor怎么用?PHP WideImage_Image::getTransparentColor使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在WideImage_Image的用法示例。


在下文中一共展示了WideImage_Image::getTransparentColor方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的PHP代码示例。

示例1: execute

 /**
  * Returns rotated image
  *
  * @param WideImage_Image $image
  * @param numeric $angle
  * @param int $bgColor
  * @param bool $ignoreTransparent
  * @return WideImage_Image
  */
 function execute($image, $angle, $bgColor, $ignoreTransparent)
 {
     $angle = -floatval($angle);
     if ($angle < 0) {
         $angle = 360 + $angle;
     }
     $angle = $angle % 360;
     if ($angle == 0) {
         return $image->copy();
     }
     if ($bgColor === null) {
         if ($image->isTransparent()) {
             $bgColor = $image->getTransparentColor();
         } else {
             $tc = array('red' => 255, 'green' => 255, 'blue' => 255, 'alpha' => 127);
             if ($image->isTrueColor()) {
                 $bgColor = $image->getExactColorAlpha($tc);
                 if ($bgColor == -1) {
                     $bgColor = $image->allocateColorAlpha($tc);
                 }
             } else {
                 $bgColor = $image->getExactColor($tc);
                 if ($bgColor == -1) {
                     $bgColor = $image->allocateColor($tc);
                 }
             }
         }
     }
     return new WideImage_TrueColorImage(imagerotate($image->getHandle(), $angle, $bgColor, $ignoreTransparent));
 }
开发者ID:eduardosilvapereira,项目名称:mcja,代码行数:39,代码来源:Rotate.php

示例2: execute

 /**
  * Returns a mask
  *
  * @param WideImage_Image $image
  * @return WideImage_Image
  */
 function execute($image)
 {
     $width = $image->getWidth();
     $height = $image->getHeight();
     $mask = WideImage_TrueColorImage::create($width, $height);
     $mask->setTransparentColor(-1);
     $mask->alphaBlending(false);
     $mask->saveAlpha(false);
     for ($i = 0; $i <= 255; $i++) {
         $greyscale[$i] = ImageColorAllocate($mask->getHandle(), $i, $i, $i);
     }
     imagefilledrectangle($mask->getHandle(), 0, 0, $width, $height, $greyscale[255]);
     $transparentColor = $image->getTransparentColor();
     $alphaToGreyRatio = 255 / 127;
     for ($x = 0; $x < $width; $x++) {
         for ($y = 0; $y < $height; $y++) {
             $color = $image->getColorAt($x, $y);
             if ($color == $transparentColor) {
                 $rgba['alpha'] = 127;
             } else {
                 $rgba = $image->getColorRGB($color);
             }
             imagesetpixel($mask->getHandle(), $x, $y, $greyscale[255 - round($rgba['alpha'] * $alphaToGreyRatio)]);
         }
     }
     return $mask;
 }
开发者ID:victorborg3s,项目名称:kimera,代码行数:33,代码来源:GetMask.php

示例3: execute

 /**
  * Applies a mask on the copy of source image
  *
  * @param WideImage_Image $image
  * @param WideImage_Image $mask
  * @param smart_coordinate $left
  * @param smart_coordinate $top
  * @return WideImage_Image
  */
 function execute($image, $mask, $left = 0, $top = 0)
 {
     $left = WideImage_Coordinate::fix($image->getWidth(), $left);
     $top = WideImage_Coordinate::fix($image->getHeight(), $top);
     $width = $image->getWidth();
     if ($width > $mask->getWidth()) {
         $width = $mask->getWidth();
     }
     $height = $image->getHeight();
     if ($height > $mask->getHeight()) {
         $height = $mask->getHeight();
     }
     $result = $image->asTrueColor();
     $result->alphaBlending(false);
     $result->saveAlpha(true);
     $srcTransparentColor = $image->getTransparentColor();
     if ($srcTransparentColor >= 0) {
         $trgb = $image->getColorRGB($srcTransparentColor);
         $trgb['alpha'] = 127;
         $destTransparentColor = $result->allocateColorAlpha($trgb);
         $result->setTransparentColor($destTransparentColor);
     } else {
         $destTransparentColor = $result->allocateColorAlpha(255, 255, 255, 127);
     }
     for ($x = 0; $x < $width; $x++) {
         for ($y = 0; $y < $height; $y++) {
             if ($left + $x < $image->getWidth() && $top + $y < $image->getHeight()) {
                 $srcColor = $image->getColorAt($left + $x, $top + $y);
                 if ($srcColor == $srcTransparentColor) {
                     $destColor = $destTransparentColor;
                 } else {
                     $maskRGB = $mask->getRGBAt($x, $y);
                     if ($maskRGB['red'] == 0) {
                         $destColor = $destTransparentColor;
                     } elseif ($srcColor >= 0) {
                         $imageRGB = $image->getRGBAt($left + $x, $top + $y);
                         $level = $maskRGB['red'] / 255 * (1 - $imageRGB['alpha'] / 127);
                         $imageRGB['alpha'] = 127 - round($level * 127);
                         if ($imageRGB['alpha'] == 127) {
                             $destColor = $destTransparentColor;
                         } else {
                             $destColor = $result->allocateColorAlpha($imageRGB);
                         }
                     } else {
                         $destColor = $destTransparentColor;
                     }
                 }
                 $result->setColorAt($left + $x, $top + $y, $destColor);
             }
         }
     }
     return $result;
 }
开发者ID:eduardosilvapereira,项目名称:mcja,代码行数:62,代码来源:ApplyMask.php

示例4: execute

 /**
  * Returns a greyscale copy of an image
  *
  * @param WideImage_Image $image
  * @return WideImage_Image
  */
 function execute($image)
 {
     $palette = $image instanceof WideImage_PaletteImage;
     $transparent = $image->isTransparent();
     if ($palette && $transparent) {
         $tci = $image->getTransparentColor();
     }
     $new = $image->asTrueColor();
     imagefilter($new->getHandle(), IMG_FILTER_GRAYSCALE);
     if ($palette) {
         $new = $new->asPalette();
         if ($transparent) {
             $new->setTransparentColor($tci);
         }
     }
     return $new;
 }
开发者ID:victorborg3s,项目名称:kimera,代码行数:23,代码来源:AsGrayscale.php


注:本文中的WideImage_Image::getTransparentColor方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。