本文整理汇总了PHP中Image::CreateFromString方法的典型用法代码示例。如果您正苦于以下问题：PHP Image::CreateFromString方法的具体用法？PHP Image::CreateFromString怎么用？PHP Image::CreateFromString使用的例子？那么恭喜您, 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类Image的用法示例。
在下文中一共展示了Image::CreateFromString方法的10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: GetImgByIdx
function GetImgByIdx($aIdx)
{
if (array_key_exists($aIdx, $this->iFlagData)) {
$d = $this->iFlagData[$aIdx][1];
return Image::CreateFromString($d);
} else {
JpGraphError::RaiseL(5002, $aIdx);
}
}示例2: GetImgByIdx
function GetImgByIdx($aIdx)
{
if (array_key_exists($aIdx, $this->iFlagData)) {
$d = $this->iFlagData[$aIdx][1];
return Image::CreateFromString($d);
} else {
JpGraphError::Raise("Flag index \" {$aIdx}\" does not exist.");
}
}示例3: GetImg
function GetImg($aMark, $aIdx)
{
$n = $this->an[$aMark];
if (is_string($aIdx)) {
if (!in_array($aIdx, $this->colors)) {
JpGraphError::RaiseL(23001, $this->name, $aIdx);
}
$idx = $this->index[$aIdx];
} elseif (!is_integer($aIdx) || is_integer($aIdx) && $aIdx > $this->maxidx) {
JpGraphError::RaiseL(23002, $this->name);
} else {
$idx = $aIdx;
}
return Image::CreateFromString(base64_decode($this->{$n}[$idx][1]));
}示例4: Raise
function Raise($aMsg, $aHalt = true)
{
$img_iconerror = 'iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAMAAAC7IEhfAAAAaV' . 'BMVEX//////2Xy8mLl5V/Z2VvMzFi/v1WyslKlpU+ZmUyMjEh/' . 'f0VyckJlZT9YWDxMTDjAwMDy8sLl5bnY2K/MzKW/v5yyspKlpY' . 'iYmH+MjHY/PzV/f2xycmJlZVlZWU9MTEXY2Ms/PzwyMjLFTjea' . 'AAAAAXRSTlMAQObYZgAAAAFiS0dEAIgFHUgAAAAJcEhZcwAACx' . 'IAAAsSAdLdfvwAAAAHdElNRQfTBgISOCqusfs5AAABLUlEQVR4' . '2tWV3XKCMBBGWfkranCIVClKLd/7P2Q3QsgCxjDTq+6FE2cPH+' . 'xJ0Ogn2lQbsT+Wrs+buAZAV4W5T6Bs0YXBBwpKgEuIu+JERAX6' . 'wM2rHjmDdEITmsQEEmWADgZm6rAjhXsoMGY9B/NZBwJzBvn+e3' . 'wHntCAJdGu9SviwIwoZVDxPB9+Rc0TSEbQr0j3SA1gwdSn6Db0' . '6Tm1KfV6yzWGQO7zdpvyKLKBDmRFjzeB3LYgK7r6A/noDAfjtS' . 'IXaIzbJSv6WgUebTMV4EoRB8a2mQiQjgtF91HdKDKZ1gtFtQjk' . 'YcWaR5OKOhkYt+ZsTFdJRfPAApOpQYJTNHvCRSJR6SJngQadfc' . 'vd69OLMddVOPCGVnmrFD8bVYd3JXfxXPtLR/+mtv59/ALWiiMx' . 'qL72fwAAAABJRU5ErkJggg==';
$supported = imagetypes();
if (ob_get_length() || headers_sent() || !($supported & IMG_PNG)) {
// Special case for headers already sent or that the installation doesn't support
// the PNG format (which the error icon is encoded in).
// Dont return an image since it can't be displayed
die("<b>JpGraph Error:</b> " . $aMsg);
}
$aMsg = wordwrap($aMsg, 55);
$lines = substr_count($aMsg, "\n");
// Create the error icon GD
$erricon = Image::CreateFromString(base64_decode($img_iconerror));
// Create an image that contains the error text.
$w = 400;
$h = 100 + 15 * max(0, $lines - 3);
/*
$h=100;
if( strlen($aMsg) > 60 )
$h = 150;
*/
$img = new Image($w, $h);
// Drop shadow
$img->SetColor("gray");
$img->FilledRectangle(5, 5, $w - 1, $h - 1, 10);
$img->SetColor("gray:0.7");
$img->FilledRectangle(5, 5, $w - 3, $h - 3, 10);
// Window background
$img->SetColor("lightblue");
$img->FilledRectangle(1, 1, $w - 5, $h - 5);
$img->CopyCanvasH($img->img, $erricon, 5, 30, 0, 0, 40, 40);
// Window border
$img->SetColor("black");
$img->Rectangle(1, 1, $w - 5, $h - 5);
$img->Rectangle(0, 0, $w - 4, $h - 4);
// Window top row
$img->SetColor("darkred");
for ($y = 3; $y < 18; $y += 2) {
$img->Line(1, $y, $w - 6, $y);
}
// "White shadow"
$img->SetColor("white");
// Left window edge
$img->Line(2, 2, 2, $h - 5);
$img->Line(2, 2, $w - 6, 2);
// "Gray button shadow"
$img->SetColor("darkgray");
// Gray window shadow
$img->Line(2, $h - 6, $w - 5, $h - 6);
$img->Line(3, $h - 7, $w - 5, $h - 7);
// Window title
$m = floor($w / 2 - 5);
$l = 100;
$img->SetColor("lightgray:1.3");
$img->FilledRectangle($m - $l, 2, $m + $l, 16);
// Stroke text
$img->SetColor("darkred");
$img->SetFont(FF_FONT2, FS_BOLD);
$img->StrokeText($m - 50, 15, "JpGraph Error");
$img->SetColor("black");
$img->SetFont(FF_FONT1, FS_NORMAL);
$txt = new Text($aMsg, 52, 25);
$txt->Align("left", "top");
$txt->Stroke($img);
$img->Headers();
$img->Stream();
die;
}示例5: LoadBkgImage
static function LoadBkgImage($aImgFormat = '', $aFile = '', $aImgStr = '')
{
if ($aImgStr != '') {
return Image::CreateFromString($aImgStr);
}
// Remove case sensitivity and setup appropriate function to create image
// Get file extension. This should be the LAST '.' separated part of the filename
$e = explode('.', $aFile);
$ext = strtolower($e[count($e) - 1]);
if ($ext == "jpeg") {
$ext = "jpg";
}
if (trim($ext) == '') {
$ext = 'png';
// Assume PNG if no extension specified
}
if ($aImgFormat == '') {
$imgtag = $ext;
} else {
$imgtag = $aImgFormat;
}
$supported = imagetypes();
if ($ext == 'jpg' && !($supported & IMG_JPG) || $ext == 'gif' && !($supported & IMG_GIF) || $ext == 'png' && !($supported & IMG_PNG) || $ext == 'bmp' && !($supported & IMG_WBMP) || $ext == 'xpm' && !($supported & IMG_XPM)) {
JpGraphError::RaiseL(25037, $aFile);
//('The image format of your background image ('.$aFile.') is not supported in your system configuration. ');
}
if ($imgtag == "jpg" || $imgtag == "jpeg") {
$f = "imagecreatefromjpeg";
$imgtag = "jpg";
} else {
$f = "imagecreatefrom" . $imgtag;
}
// Compare specified image type and file extension
if ($imgtag != $ext) {
//$t = "Background image seems to be of different type (has different file extension) than specified imagetype. Specified: '".$aImgFormat."'File: '".$aFile."'";
JpGraphError::RaiseL(25038, $aImgFormat, $aFile);
}
$img = @$f($aFile);
if (!$img) {
JpGraphError::RaiseL(25039, $aFile);
//(" Can't read background image: '".$aFile."'");
}
return $img;
}示例6: GetImg
function GetImg($aIdx)
{
if ($aIdx < 0 || $aIdx >= $this->iLen) {
JpGraphError::RaiseL(6010, $aIdx);
//('Illegal icon index for Gantt builtin icon ['.$aIdx.']');
}
return Image::CreateFromString(base64_decode($this->iBuiltinIcon[$aIdx][1]));
}示例7: _Stroke
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, $this->iMix);
}示例8: Raise
function Raise($aMsg, $aHalt = true)
{
$img_iconerror = 'iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAMAAAC7IEhfAAAAaV' . 'BMVEX//////2Xy8mLl5V/Z2VvMzFi/v1WyslKlpU+ZmUyMjEh/' . 'f0VyckJlZT9YWDxMTDjAwMDy8sLl5bnY2K/MzKW/v5yyspKlpY' . 'iYmH+MjHY/PzV/f2xycmJlZVlZWU9MTEXY2Ms/PzwyMjLFTjea' . 'AAAAAXRSTlMAQObYZgAAAAFiS0dEAIgFHUgAAAAJcEhZcwAACx' . 'IAAAsSAdLdfvwAAAAHdElNRQfTBgISOCqusfs5AAABLUlEQVR4' . '2tWV3XKCMBBGWfkranCIVClKLd/7P2Q3QsgCxjDTq+6FE2cPH+' . 'xJ0Ogn2lQbsT+Wrs+buAZAV4W5T6Bs0YXBBwpKgEuIu+JERAX6' . 'wM2rHjmDdEITmsQEEmWADgZm6rAjhXsoMGY9B/NZBwJzBvn+e3' . 'wHntCAJdGu9SviwIwoZVDxPB9+Rc0TSEbQr0j3SA1gwdSn6Db0' . '6Tm1KfV6yzWGQO7zdpvyKLKBDmRFjzeB3LYgK7r6A/noDAfjtS' . 'IXaIzbJSv6WgUebTMV4EoRB8a2mQiQjgtF91HdKDKZ1gtFtQjk' . 'YcWaR5OKOhkYt+ZsTFdJRfPAApOpQYJTNHvCRSJR6SJngQadfc' . 'vd69OLMddVOPCGVnmrFD8bVYd3JXfxXPtLR/+mtv59/ALWiiMx' . 'qL72fwAAAABJRU5ErkJggg==';
if (function_exists("imagetypes")) {
$supported = imagetypes();
} else {
$supported = 0;
}
if (!function_exists('imagecreatefromstring')) {
$supported = 0;
}
if (ob_get_length() || headers_sent() || !($supported & IMG_PNG)) {
die($this->iTitle . ' ' . $aMsg);
}
$aMsg = wordwrap($aMsg, 55);
$lines = substr_count($aMsg, "\n");
$erricon = Image::CreateFromString(base64_decode($img_iconerror));
$w = 400;
$h = 100 + 15 * max(0, $lines - 3);
$img = new Image($w, $h);
$img->SetColor("gray");
$img->FilledRectangle(5, 5, $w - 1, $h - 1, 10);
$img->SetColor("gray:0.7");
$img->FilledRectangle(5, 5, $w - 3, $h - 3, 10);
$img->SetColor("lightblue");
$img->FilledRectangle(1, 1, $w - 5, $h - 5);
$img->CopyCanvasH($img->img, $erricon, 5, 30, 0, 0, 40, 40);
$img->SetColor("black");
$img->Rectangle(1, 1, $w - 5, $h - 5);
$img->Rectangle(0, 0, $w - 4, $h - 4);
$img->SetColor("darkred");
for ($y = 3; $y < 18; $y += 2) {
$img->Line(1, $y, $w - 6, $y);
}
$img->SetColor("white");
$img->Line(2, 2, 2, $h - 5);
$img->Line(2, 2, $w - 6, 2);
$img->SetColor("darkgray");
$img->Line(2, $h - 6, $w - 5, $h - 6);
$img->Line(3, $h - 7, $w - 5, $h - 7);
$m = floor($w / 2 - 5);
$l = 100;
$img->SetColor("lightgray:1.3");
$img->FilledRectangle($m - $l, 2, $m + $l, 16);
$img->SetColor("darkred");
$img->SetFont(FF_FONT2, FS_BOLD);
$img->StrokeText($m - 50, 15, $this->iTitle);
$img->SetColor("black");
$img->SetFont(FF_FONT1, FS_NORMAL);
$txt = new Text($aMsg, 52, 25);
$txt->Align("left", "top");
$txt->Stroke($img);
if ($this->iDest) {
$img->Stream($this->iDest);
} else {
$img->Headers();
$img->Stream();
}
if ($aHalt) {
die;
}
}示例9: LoadBkgImage
function LoadBkgImage($aImgFormat = '', $aFile = '', $aImgStr = '')
{
if ($aImgStr != '') {
return Image::CreateFromString($aImgStr);
}
$e = explode('.', $aFile);
$ext = strtolower($e[count($e) - 1]);
if ($ext == "jpeg") {
$ext = "jpg";
}
if (trim($ext) == '') {
$ext = 'png';
}
if ($aImgFormat == '') {
$imgtag = $ext;
} else {
$imgtag = $aImgFormat;
}
$supported = imagetypes();
if ($ext == 'jpg' && !($supported & IMG_JPG) || $ext == 'gif' && !($supported & IMG_GIF) || $ext == 'png' && !($supported & IMG_PNG) || $ext == 'bmp' && !($supported & IMG_WBMP) || $ext == 'xpm' && !($supported & IMG_XPM)) {
JpGraphError::RaiseL(25037, $aFile);
}
if ($imgtag == "jpg" || $imgtag == "jpeg") {
$f = "imagecreatefromjpeg";
$imgtag = "jpg";
} else {
$f = "imagecreatefrom" . $imgtag;
}
if ($imgtag != $ext) {
JpGraphError::RaiseL(25038, $aImgFormat, $aFile);
}
$img = @$f($aFile);
if (!$img) {
JpGraphError::RaiseL(25039, $aFile);
}
return $img;
}示例10: _Stroke
function _Stroke(&$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);
}