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, $y);
}
public function setFont($para = array())
{
$textColor = "#000000";
$textWeight = 120;
$textSize = 12;
$textFont = "simsun.ttc";
$textAlpha = 1;
$textAlign = 1;
$textStrokeColor = "#FFFFFF";
$textStrokeWidth = 1;
$textStrokeOpacity = 0.2;
if (count($para) > 1) {
extract($para, EXTR_OVERWRITE);
}
$imgFont = NewDrawingWand();
$fontColor = $this->getColor($textColor);
DrawSetTextEncoding($imgFont, "UTF-8");
DrawSetFont($imgFont, $textFont);
DrawSetFontWeight($imgFont, $textWeight);
DrawSetFillColor($imgFont, $fontColor);
DrawSetFontSize($imgFont, $textSize);
DrawSetGravity($imgFont, $textAlign);
DrawSetFillAlpha($imgFont, $textAlpha);
if ($textStrokeWidth > 0 && $textStrokeOpacity > 0) {
$strokeColor = $this->getColor($textStrokeColor);
DrawSetStrokeColor($imgFont, $strokeColor);
DrawSetStrokeWidth($imgFont, $textStrokeWidth);
DrawSetStrokeOpacity($imgFont, $textStrokeOpacity);
}
if (WandHasException($imgFont)) {
$this->Error($imgFont);
}
$this->destoryWand($fontColor);
return $imgFont;
}
function createWaterMark($src_image = "")
{
if (!IsMagickWand($src_image)) {
$src_image = NewMagickWand();
MagickReadImage($src_image, $this->src_image_name);
}
if (!$src_image) {
return false;
}
$src_image_w = MagickGetImageWidth($src_image);
$src_image_h = MagickGetImageHeight($src_image);
if ($this->wm_image_name) {
$wm_image_info = $this->getInfo($this->wm_image_name);
if (!$wm_image_info) {
return false;
}
$wm_image = NewMagickWand();
MagickReadImage($wm_image, $this->wm_image_name);
$wm_image_w = MagickGetImageWidth($wm_image);
$wm_image_h = MagickGetImageHeight($wm_image);
$temp_wm_image = $this->getPos($src_image_w, $src_image_h, $this->wm_image_pos, $wm_image);
$wm_image_x = $temp_wm_image["dest_x"];
$wm_image_y = $temp_wm_image["dest_y"];
$opacity0 = MagickGetQuantumRange();
$opacity100 = 0;
$opacitypercent = $this->wm_image_transition;
$opacity = $opacity0 - $opacity0 * $opacitypercent / 100;
if ($opacity > $opacity0) {
$opacity = $opacity0;
} elseif ($opacity < 0) {
$opacity = 0;
}
MagickSetImageIndex($wm_image, 0);
MagickSetImageType($wm_image, MW_TrueColorMatteType);
MagickEvaluateImage($wm_image, MW_SubtractEvaluateOperator, $opacity, MW_OpacityChannel);
MagickCompositeImage($src_image, $wm_image, MW_OverCompositeOp, $wm_image_x, $wm_image_y);
}
if ($this->wm_text) {
$this->wm_text = $this->wm_text;
$temp_wm_text = $this->getPos($src_image_w, $src_image_h, $this->wm_image_pos);
$wm_text_x = $temp_wm_text["dest_x"];
$wm_text_y = $temp_wm_text["dest_y"];
$drawing_wand = NewDrawingWand();
if ($this->wm_text_font != "") {
DrawSetFont($drawing_wand, $this->wm_text_font);
}
DrawSetFontSize($drawing_wand, $this->wm_text_size);
switch ($this->wm_image_pos) {
case 0:
DrawSetGravity($drawing_wand, MW_CenterGravity);
break;
case 1:
DrawSetGravity($drawing_wand, MW_NorthWestGravity);
break;
case 2:
DrawSetGravity($drawing_wand, MW_NorthEastGravity);
break;
case 3:
DrawSetGravity($drawing_wand, MW_SouthEastGravity);
break;
case 4:
DrawSetGravity($drawing_wand, MW_SouthWestGravity);
break;
case 5:
DrawSetGravity($drawing_wand, MW_NorthGravity);
break;
case 6:
DrawSetGravity($drawing_wand, MW_EastGravity);
break;
case 7:
DrawSetGravity($drawing_wand, MW_SouthGravity);
break;
case 8:
DrawSetGravity($drawing_wand, MW_WestGravity);
break;
default:
DrawSetGravity($drawing_wand, MW_CenterGravity);
break;
}
$pixel_wand = NewPixelWand();
if (preg_match("/([a-f0-9][a-f0-9])([a-f0-9][a-f0-9])([a-f0-9][a-f0-9])/i", $this->wm_text_color, $color)) {
$red = hexdec($color[1]);
$green = hexdec($color[2]);
$blue = hexdec($color[3]);
PixelSetColor($pixel_wand, "rgb({$red},{$green},{$blue})");
} else {
PixelSetColor($pixel_wand, "rgb(255,255,255)");
}
DrawSetFillColor($drawing_wand, $pixel_wand);
MagickAnnotateImage($src_image, $drawing_wand, 0, 0, $this->wm_angle, $this->wm_text);
}
return $src_image;
}
/**
* Function addText() performs several operations on the DrawingWand
* $drw_wnd:
* 1) sets the fill color (the color in which shapes, text, etc. will be
* drawn) from the PixelWand (or Imagemagick color string) $pxl_wnd with
* DrawSetFillColor()
* 2) sets the font size of text to be drawn to $font_size, using
* DrawSetFontSize()
* 3) sets the position where text will be drawn with DrawSetGravity();
* position is set to MW_CenterGravity by default, which automatically
* centers text horizontally and vertically
* 4) sets text to be drawn later to $text, which will be drawn at
* coordinate ($x, $y), (relative to the position indicated by
* $gravity), with DrawAnnotation()
*
* If no font is set prior to this function being called, the MagickWand API
* uses the default font (seems to be Arial).
*
* @param resource DrawingWand resource
* @param mixed PixelWand resource or imagemagick color string
* @param float desired text font size
* @param float string to be drawn
* @param int the desired text gravity, indicating the desired text
* position; must be a MagickWand API GravityType
* @param int x ordinate, relative to the chosen text gravity where
* text will be drawn
* @param int y ordinate, relative to the chosen text gravity where
* text will be drawn
*
* @return void No return value, as all functions used return void.
*/
function addText($drw_wnd, $pxl_wnd, $font_size, $text, $gravity = MW_CenterGravity, $x = 0, $y = 0)
{
DrawSetFillColor($drw_wnd, $pxl_wnd);
DrawSetFontSize($drw_wnd, $font_size);
DrawSetGravity($drw_wnd, $gravity);
DrawAnnotation($drw_wnd, $x, $y, $text);
}
/**
* Function addText() performs several operations on the DrawingWand
* $drw_wnd:
* 1) sets the fill color (the color in which shapes, text, etc. will be
* drawn) from the PixelWand (or Imagemagick color string) $pxl_wnd with
* DrawSetFillColor()
* 2) sets the font size of text to be drawn to $font_size, using
* DrawSetFontSize()
* 3) sets the position where text will be drawn with DrawSetGravity();
* position is set to MW_CenterGravity by default, which automatically
* centers text horizontally and vertically
* 4) sets text to be drawn later to $text, which will be drawn at
* coordinate ($x, $y), (relative to the position indicated by
* $gravity), with DrawAnnotation()
*
* If no font is set prior to this function being called, the MagickWand API
* uses the default font (seems to be Arial).
*
* @param resource DrawingWand resource
* @param mixed PixelWand resource or imagemagick color string
* @param float desired text font size
* @param float string to be drawn
* @param int the desired text gravity, indicating the desired text
* position; must be a MagickWand API GravityType
* @param int x ordinate, relative to the chosen text gravity where
* text will be drawn
* @param int y ordinate, relative to the chosen text gravity where
* text will be drawn
*
* @return void No return value, as all functions used return void.
*/
function addText($drw_wnd, $pxl_wnd, $font_size, $text, $gravity = MW_CenterGravity, $x = 0, $y = 0)
{
/* Set the color used to draw shapes and text with $drw_wnd to $pxl_wnd's
color
*/
DrawSetFillColor($drw_wnd, $pxl_wnd);
/* Set the text font size used by $drw_wnd to $font_size */
DrawSetFontSize($drw_wnd, $font_size);
/* Set $drw_wnd text gravity (automatic text positioning setting), to
$gravity
*/
DrawSetGravity($drw_wnd, $gravity);
/* Add a command to the $drw_wnd DrawingWand to draw the $text string at
point ($x, $y) (relative to $drw_wnd's gravity setting).
*/
DrawAnnotation($drw_wnd, $x, $y, $text);
}