function addText($source_name, $string, $save_name = "", $font_height = 30, $text_align = "center", $color = "#ff0000", $font = "Arial", $Antialias = true)
{
$resource = NewMagickWand();
$drw_wnd = NewDrawingWand();
MagickReadImage($resource, $source_name);
//MagickResizeImage( $resource, 160, 120 ,MW_BoxFilter,1);
DrawSetFillColor($drw_wnd, $color);
DrawSetFontSize($drw_wnd, $font_height);
DrawSetFont($drw_wnd, $font);
DrawSetTextAntialias($drw_wnd, $Antialias);
$src_image_x = MagickGetImageWidth($resource);
$src_image_y = MagickGetImageHeight($resource);
$string_width = MagickGetStringWidth($resource, $drw_wnd, $string, FALSE);
$string_height = MagickGetStringHeight($resource, $drw_wnd, $string, FALSE);
switch ($text_align) {
case "center":
$text_x = $src_image_x / 2 - $string_width / 2;
$text_y = $src_image_y / 2 - $string_height / 2;
break;
default:
break;
}
DrawAnnotation($drw_wnd, $text_x, $text_y, $string);
MagickDrawImage($resource, $drw_wnd);
if ($save_name) {
MagickWriteImage($resource, $save_name);
} else {
header('Content-Type: image/jpeg');
MagickEchoImageBlob($resource);
}
DestroyDrawingWand($drw_wnd);
DestroymagickWand($resource);
}
/**
* 画一条线
* @param int $sx 起始坐标x
* @param int $sy 起始坐标y
* @param int $ex 终止坐标y
* @param int $ey 终止坐标y
* @param int $border 线条宽度
*/
public function drawLine($sx, $sy, $ex, $ey, $property = array())
{
$width = $this->getWidth();
$height = $this->getHeight();
$color = NewPixelWand(isset($property['color']) ? $property['color'] : 'black');
$fillColor = NewPixelWand(isset($property['fillColor']) ? $property['fillColor'] : 'none');
$backgroundColor = NewPixelWand(isset($property['fillColor']) ? $property['backgroundColor'] : 'none');
$picWand = NewMagickWand();
MagickNewImage($picWand, $width, $height, $backgroundColor);
$drawWand = NewDrawingWand();
DrawSetFillColor($drawWand, $fillColor);
DrawSetStrokeWidth($drawWand, isset($property['borderWidth']) ? $property['borderWidth'] : 1);
DrawSetStrokeColor($drawWand, $color);
if (isset($property['stroke'])) {
DrawSetStrokeDashArray($drawWand, $property['stroke']);
}
DrawLine($drawWand, $sx, $sy, $ex, $ey);
MagickDrawImage($picWand, $drawWand);
return MagickCompositeImage(self::$resource, $picWand, MW_OverCompositeOp, $x, $y);
}
public function fixSize(&$img, $fix_width = 0, $fix_height = 0, $fix_top = 0, $fix_left = 0, $bgcolor = "white", $fix_mode = false)
{
if ($fix_width == 0 && $fix_height == 0) {
return;
}
$width = MagickGetImageWidth($img);
$height = MagickGetImageHeight($img);
if ($fix_mode) {
$fix_width += $width;
$fix_height += $height;
} else {
if ($fix_width == 0) {
$fix_width = $width;
}
if ($fix_height == 0) {
$fix_height = $height;
}
}
$result = NewMagickWand();
MagickResetIterator($img);
while (MagickNextImage($img)) {
$drawWand = NewDrawingWand();
DrawComposite($drawWand, MW_AddCompositeOp, $fix_left, $fix_top, $width, $height, $img);
$frame = $this->getImgWand(array($bgcolor, $fix_width, $fix_height));
MagickDrawImage($frame, $drawWand);
MagickSetImageDelay($frame, MagickGetImageDelay($img));
MagickAddImage($result, $frame);
}
$this->destoryWand($img, $imgTemp, $drawWand);
$img = $result;
return;
}
function createThumb($objWidth, $objHeight, $nmw = "")
{
$srcImage = $this->src_image_name;
if (!IsMagickWand($nmw)) {
$nmw = NewMagickWand();
MagickReadImage($nmw, $srcImage);
}
$srcImageWidth = MagickGetImageWidth($nmw);
$srcImageHeight = MagickGetImageHeight($nmw);
if ($objWidth == 0 || $objHeight == 0) {
$objWidth = $srcImageWidth;
$objHeight = $srcImageHeight;
}
if ($objWidth < $objHeight) {
$mu = $srcImageWidth / $objWidth;
$objHeight = ceil($srcImageHeight / $mu);
} else {
$mu = $srcImageHeight / $objHeight;
$objWidth = ceil($srcImageWidth / $mu);
}
MagickScaleImage($nmw, $objWidth, $objHeight);
$ndw = NewDrawingWand();
DrawComposite($ndw, MW_AddCompositeOp, 0, 0, $objWidth, $objHeight, $nmw);
$res = NewMagickWand();
MagickNewImage($res, $objWidth, $objHeight);
MagickDrawImage($res, $ndw);
MagickSetImageFormat($res, MagickGetImageFormat($nmw));
return $res;
}
/**
* Function drawNewImage() creates a new image, using MagickNewImage(), of
* $width * $height area, filled with $bg_color (a PixelWand, or ImageMagick
* color string) color.
*
* It then uses MagickDrawImage() to draw the commands contained in the
* DrawingWand $drw_wnd on the newly reated image.
*
* @param resource MagickWand resource
* @param resource DrawingWand resource
* @param int width of new image
* @param int height of new image
* @param mixed PixelWand resource or imagemagick color string
* @param int Always __LINE__ (script current line number predefined
* PHP constant)
*
* @return void
*/
function drawNewImage($mgck_wnd, $drw_wnd, $width, $height, $bg_color, $line)
{
$line = 'program line ' . $line . ', function line ';
checkWandError(MagickNewImage($mgck_wnd, $width, $height, $bg_color), $mgck_wnd, $line . __LINE__);
checkWandError(MagickDrawImage($mgck_wnd, $drw_wnd), $mgck_wnd, $line . __LINE__);
}