PHP FlagImages类代码示例

 function Stroke($aImg)
 {
     if ($this->iFile != '' && $this->iCountryFlag != '') {
         JpGraphError::Raise('It is not possible to specify both an image file and a country flag for the same icon.');
     }
     if ($this->iFile != '') {
         $gdimg = Graph::LoadBkgImage('', $this->iFile);
     } else {
         if (!class_exists('FlagImages')) {
             JpGraphError::Raise('In order to use Country flags as icons you must include the "jpgraph_flags.php" file.');
         }
         $fobj = new FlagImages($this->iCountryStdSize);
         $dummy = '';
         $gdimg = $fobj->GetImgByName($this->iCountryFlag, $dummy);
     }
     if ($this->iX >= 0 && $this->iX <= 1.0) {
         $w = imagesx($aImg->img);
         $this->iX = round($w * $this->iX);
     }
     if ($this->iY >= 0 && $this->iY <= 1.0) {
         $h = imagesy($aImg->img);
         $this->iY = round($h * $this->iY);
     }
     $iconw = imagesx($gdimg);
     $iconh = imagesy($gdimg);
     if ($this->iHorAnchor == 'center') {
         $this->iX -= round($iconw * $this->iScale / 2);
     }
     if ($this->iHorAnchor == 'right') {
         $this->iX -= round($iconw * $this->iScale);
     }
     if ($this->iVertAnchor == 'center') {
         $this->iY -= round($iconh * $this->iScale / 2);
     }
     if ($this->iVertAnchor == 'bottom') {
         $this->iY -= round($iconh * $this->iScale);
     }
     $aImg->CopyMerge($gdimg, $this->iX, $this->iY, 0, 0, round($iconw * $this->iScale), round($iconh * $this->iScale), $iconw, $iconh, $this->iMix);
 }

    function StrokeFrameBackground()
    {
        if ($this->background_image != "" && $this->background_cflag != "") {
            JpGraphError::Raise('It is not possible to specify both a background image and a background country flag.');
        }
        if ($this->background_image != "") {
            $bkgimg = $this->LoadBkgImage($this->background_image_format);
            $this->img->_AdjBrightContrast($bkgimg, $this->background_image_bright, $this->background_image_contr);
            $this->img->_AdjSat($bkgimg, $this->background_image_sat);
        } elseif ($this->background_cflag != "") {
            if (!class_exists('FlagImages')) {
                JpGraphError::Raise('In order to use Country flags as
	backgrounds you must include the "jpgraph_flags.php" file.');
            }
            $fobj = new FlagImages(FLAGSIZE4);
            $dummy = '';
            $bkgimg = $fobj->GetImgByName($this->background_cflag, $dummy);
            $this->background_image_mix = $this->background_cflag_mix;
            $this->background_image_type = $this->background_cflag_type;
        } else {
            return;
        }
        $bw = ImageSX($bkgimg);
        $bh = ImageSY($bkgimg);
        // No matter what the angle is we always stroke the image and frame
        // assuming it is 0 degree
        $aa = $this->img->SetAngle(0);
        switch ($this->background_image_type) {
            case BGIMG_FILLPLOT:
                // Resize to just fill the plotarea
                $this->FillMarginArea();
                $this->StrokeFrame();
                $this->FillPlotArea();
                $this->img->CopyMerge($bkgimg, $this->img->left_margin, $this->img->top_margin, 0, 0, $this->img->plotwidth + 1, $this->img->plotheight, $bw, $bh, $this->background_image_mix);
                break;
            case BGIMG_FILLFRAME:
                // Fill the whole area from upper left corner, resize to just fit
                $hadj = 0;
                $vadj = 0;
                if ($this->doshadow) {
                    $hadj = $this->shadow_width;
                    $vadj = $this->shadow_width;
                }
                $this->FillMarginArea();
                $this->FillPlotArea();
                $this->img->CopyMerge($bkgimg, 0, 0, 0, 0, $this->img->width - $hadj, $this->img->height - $vadj, $bw, $bh, $this->background_image_mix);
                $this->StrokeFrame();
                break;
            case BGIMG_COPY:
                // Just copy the image from left corner, no resizing
                $this->FillMarginArea();
                $this->FillPlotArea();
                $this->img->CopyMerge($bkgimg, 0, 0, 0, 0, $bw, $bh, $bw, $bh, $this->background_image_mix);
                $this->StrokeFrame();
                break;
            case BGIMG_CENTER:
                // Center original image in the plot area
                $this->FillMarginArea();
                $this->FillPlotArea();
                $centerx = round($this->img->plotwidth / 2 + $this->img->left_margin - $bw / 2);
                $centery = round($this->img->plotheight / 2 + $this->img->top_margin - $bh / 2);
                $this->img->CopyMerge($bkgimg, $centerx, $centery, 0, 0, $bw, $bh, $bw, $bh, $this->background_image_mix);
                $this->StrokeFrame();
                break;
            default:
                JpGraphError::Raise(" Unknown background image layout");
        }
        $this->img->SetAngle($aa);
    }

 function _Stroke($aImg, $x = null, $y = null, $aReturnWidthHeight = false)
 {
     if ($this->iFile != '' && $this->iCountryFlag != '') {
         JpGraphError::RaiseL(8003);
         //('It is not possible to specify both an image file and a country flag for the same icon.');
     }
     if ($this->iFile != '') {
         $gdimg = Graph::LoadBkgImage('', $this->iFile);
     } elseif ($this->iImgString != '') {
         $gdimg = Image::CreateFromString($this->iImgString);
     } else {
         if (!class_exists('FlagImages', false)) {
             JpGraphError::RaiseL(8004);
             //('In order to use Country flags as icons you must include the "jpgraph_flags.php" file.');
         }
         $fobj = new FlagImages($this->iCountryStdSize);
         $dummy = '';
         $gdimg = $fobj->GetImgByName($this->iCountryFlag, $dummy);
     }
     $iconw = imagesx($gdimg);
     $iconh = imagesy($gdimg);
     if ($aReturnWidthHeight) {
         return array(round($iconw * $this->iScale), round($iconh * $this->iScale));
     }
     if ($x !== null && $y !== null) {
         $this->iX = $x;
         $this->iY = $y;
     }
     if ($this->iX >= 0 && $this->iX <= 1.0) {
         $w = imagesx($aImg->img);
         $this->iX = round($w * $this->iX);
     }
     if ($this->iY >= 0 && $this->iY <= 1.0) {
         $h = imagesy($aImg->img);
         $this->iY = round($h * $this->iY);
     }
     if ($this->iHorAnchor == 'center') {
         $this->iX -= round($iconw * $this->iScale / 2);
     }
     if ($this->iHorAnchor == 'right') {
         $this->iX -= round($iconw * $this->iScale);
     }
     if ($this->iVertAnchor == 'center') {
         $this->iY -= round($iconh * $this->iScale / 2);
     }
     if ($this->iVertAnchor == 'bottom') {
         $this->iY -= round($iconh * $this->iScale);
     }
     $aImg->CopyMerge($gdimg, $this->iX, $this->iY, 0, 0, round($iconw * $this->iScale), round($iconh * $this->iScale), $iconw, $iconh, $this->iMix);
 }

 public function StrokeFrameBackground()
 {
     if ($this->background_image != '' && $this->background_cflag != '') {
         Util\JpGraphError::RaiseL(25040);
         //('It is not possible to specify both a background image and a background country flag.');
     }
     if ($this->background_image != '') {
         $bkgimg = $this->LoadBkgImage($this->background_image_format, $this->background_image);
     } elseif ($this->background_cflag != '') {
         if (!class_exists('FlagImages', false)) {
             Util\JpGraphError::RaiseL(25041);
             //('In order to use Country flags as backgrounds you must include the "jpgraph_flags.php" file.');
         }
         $fobj = new FlagImages(FLAGSIZE4);
         $dummy = '';
         $bkgimg = $fobj->GetImgByName($this->background_cflag, $dummy);
         $this->background_image_mix = $this->background_cflag_mix;
         $this->background_image_type = $this->background_cflag_type;
     } else {
         return;
     }
     $bw = ImageSX($bkgimg);
     $bh = ImageSY($bkgimg);
     // No matter what the angle is we always stroke the image and frame
     // assuming it is 0 degree
     $aa = $this->img->SetAngle(0);
     switch ($this->background_image_type) {
         case BGIMG_FILLPLOT:
             // Resize to just fill the plotarea
             $this->FillMarginArea();
             $this->StrokeFrame();
             // Special case to hande 90 degree rotated graph corectly
             if ($aa == 90) {
                 $this->img->SetAngle(90);
                 $this->FillPlotArea();
                 $aa = $this->img->SetAngle(0);
                 $adj = ($this->img->height - $this->img->width) / 2;
                 $this->img->CopyMerge($bkgimg, $this->img->bottom_margin - $adj, $this->img->left_margin + $adj, 0, 0, $this->img->plotheight + 1, $this->img->plotwidth, $bw, $bh, $this->background_image_mix);
             } else {
                 $this->FillPlotArea();
                 $this->img->CopyMerge($bkgimg, $this->img->left_margin, $this->img->top_margin + 1, 0, 0, $this->img->plotwidth + 1, $this->img->plotheight, $bw, $bh, $this->background_image_mix);
             }
             break;
         case BGIMG_FILLFRAME:
             // Fill the whole area from upper left corner, resize to just fit
             $hadj = 0;
             $vadj = 0;
             if ($this->doshadow) {
                 $hadj = $this->shadow_width;
                 $vadj = $this->shadow_width;
             }
             $this->FillMarginArea();
             $this->FillPlotArea();
             $this->img->CopyMerge($bkgimg, 0, 0, 0, 0, $this->img->width - $hadj, $this->img->height - $vadj, $bw, $bh, $this->background_image_mix);
             $this->StrokeFrame();
             break;
         case BGIMG_COPY:
             // Just copy the image from left corner, no resizing
             $this->FillMarginArea();
             $this->FillPlotArea();
             $this->img->CopyMerge($bkgimg, 0, 0, 0, 0, $bw, $bh, $bw, $bh, $this->background_image_mix);
             $this->StrokeFrame();
             break;
         case BGIMG_CENTER:
             // Center original image in the plot area
             $this->FillMarginArea();
             $this->FillPlotArea();
             $centerx = round($this->img->plotwidth / 2 + $this->img->left_margin - $bw / 2);
             $centery = round($this->img->plotheight / 2 + $this->img->top_margin - $bh / 2);
             $this->img->CopyMerge($bkgimg, $centerx, $centery, 0, 0, $bw, $bh, $bw, $bh, $this->background_image_mix);
             $this->StrokeFrame();
             break;
         case BGIMG_FREE:
             // Just copy the image to the specified location
             $this->img->CopyMerge($bkgimg, $this->background_image_xpos, $this->background_image_ypos, 0, 0, $bw, $bh, $bw, $bh, $this->background_image_mix);
             $this->StrokeFrame();
             // New
             break;
         default:
             Util\JpGraphError::RaiseL(25042);
             //(" Unknown background image layout");
     }
     $this->img->SetAngle($aa);
 }

<?php

require_once '../jpgraph.php';
require_once '../jpgraph_flags.php';
if (empty($_GET['size'])) {
    $size = FLAGSIZE2;
} else {
    $size = $_GET['size'];
}
if (empty($_GET['idx'])) {
    $idx = 'ecua';
} else {
    $idx = $_GET['idx'];
}
$flags = new FlagImages($size);
$img = $flags->GetImgByIdx($idx);
header("Content-type: image/png");
ImagePng($img);

 function StrokeFrameBackground()
 {
     if ($this->background_image != "" && $this->background_cflag != "") {
         JpGraphError::RaiseL(25040);
     }
     if ($this->background_image != "") {
         $bkgimg = $this->LoadBkgImage($this->background_image_format, $this->background_image);
     } elseif ($this->background_cflag != "") {
         if (!class_exists('FlagImages')) {
             JpGraphError::RaiseL(25041);
         }
         $fobj = new FlagImages(FLAGSIZE4);
         $dummy = '';
         $bkgimg = $fobj->GetImgByName($this->background_cflag, $dummy);
         $this->background_image_mix = $this->background_cflag_mix;
         $this->background_image_type = $this->background_cflag_type;
     } else {
         return;
     }
     $bw = ImageSX($bkgimg);
     $bh = ImageSY($bkgimg);
     $aa = $this->img->SetAngle(0);
     switch ($this->background_image_type) {
         case BGIMG_FILLPLOT:
             $this->FillMarginArea();
             $this->StrokeFrame();
             if ($aa == 90) {
                 $this->img->SetAngle(90);
                 $this->FillPlotArea();
                 $aa = $this->img->SetAngle(0);
                 $adj = ($this->img->height - $this->img->width) / 2;
                 $this->img->CopyMerge($bkgimg, $this->img->bottom_margin - $adj, $this->img->left_margin + $adj, 0, 0, $this->img->plotheight + 1, $this->img->plotwidth, $bw, $bh, $this->background_image_mix);
             } else {
                 $this->FillPlotArea();
                 $this->img->CopyMerge($bkgimg, $this->img->left_margin, $this->img->top_margin, 0, 0, $this->img->plotwidth + 1, $this->img->plotheight, $bw, $bh, $this->background_image_mix);
             }
             break;
         case BGIMG_FILLFRAME:
             $hadj = 0;
             $vadj = 0;
             if ($this->doshadow) {
                 $hadj = $this->shadow_width;
                 $vadj = $this->shadow_width;
             }
             $this->FillMarginArea();
             $this->FillPlotArea();
             $this->img->CopyMerge($bkgimg, 0, 0, 0, 0, $this->img->width - $hadj, $this->img->height - $vadj, $bw, $bh, $this->background_image_mix);
             $this->StrokeFrame();
             break;
         case BGIMG_COPY:
             $this->FillMarginArea();
             $this->FillPlotArea();
             $this->img->CopyMerge($bkgimg, 0, 0, 0, 0, $bw, $bh, $bw, $bh, $this->background_image_mix);
             $this->StrokeFrame();
             break;
         case BGIMG_CENTER:
             $this->FillMarginArea();
             $this->FillPlotArea();
             $centerx = round($this->img->plotwidth / 2 + $this->img->left_margin - $bw / 2);
             $centery = round($this->img->plotheight / 2 + $this->img->top_margin - $bh / 2);
             $this->img->CopyMerge($bkgimg, $centerx, $centery, 0, 0, $bw, $bh, $bw, $bh, $this->background_image_mix);
             $this->StrokeFrame();
             break;
         default:
             JpGraphError::RaiseL(25042);
     }
     $this->img->SetAngle($aa);
 }

 function _Stroke(&$aImg, $x = null, $y = null, $aReturnWidthHeight = false)
 {
     if ($this->iFile != '' && $this->iCountryFlag != '') {
         JpGraphError::RaiseL(8003);
     }
     if ($this->iFile != '') {
         $gdimg = Graph::LoadBkgImage('', $this->iFile);
     } elseif ($this->iImgString != '') {
         $gdimg = Image::CreateFromString($this->iImgString);
     } else {
         if (!class_exists('FlagImages')) {
             JpGraphError::RaiseL(8004);
         }
         $fobj = new FlagImages($this->iCountryStdSize);
         $dummy = '';
         $gdimg = $fobj->GetImgByName($this->iCountryFlag, $dummy);
     }
     $iconw = imagesx($gdimg);
     $iconh = imagesy($gdimg);
     if ($aReturnWidthHeight) {
         return array(round($iconw * $this->iScale), round($iconh * $this->iScale));
     }
     if ($x !== null && $y !== null) {
         $this->iX = $x;
         $this->iY = $y;
     }
     if ($this->iX >= 0 && $this->iX <= 1.0) {
         $w = imagesx($aImg->img);
         $this->iX = round($w * $this->iX);
     }
     if ($this->iY >= 0 && $this->iY <= 1.0) {
         $h = imagesy($aImg->img);
         $this->iY = round($h * $this->iY);
     }
     if ($this->iHorAnchor == 'center') {
         $this->iX -= round($iconw * $this->iScale / 2);
     }
     if ($this->iHorAnchor == 'right') {
         $this->iX -= round($iconw * $this->iScale);
     }
     if ($this->iVertAnchor == 'center') {
         $this->iY -= round($iconh * $this->iScale / 2);
     }
     if ($this->iVertAnchor == 'bottom') {
         $this->iY -= round($iconh * $this->iScale);
     }
     $aImg->CopyMerge($gdimg, $this->iX, $this->iY, 0, 0, round($iconw * $this->iScale), round($iconh * $this->iScale), $iconw, $iconh, $this->iMix);
 }