Gmagick::setimagetype
(PECL gmagick >= Unknown)
Gmagick::setimagetype — Sets the image type
说明
$imgType
)Sets the image type.
参数
-
imgType -
The image type: UndefinedType, BilevelType, GrayscaleType, GrayscaleMatteType, PaletteType, PaletteMatteType, TrueColorType, TrueColorMatteType, ColorSeparationType, ColorSeparationMatteType, or OptimizeType.
返回值
The Gmagick object on success.
错误／异常
错误时抛出 GmagickException。
用户评论:
[#1] Jrg Wagner [2012-09-18 11:52:10]
The predefined constant values listed here are wrong. The correct values can be found at:
www.php.net/manual/de/gmagick.constants.php
They are:
Gmagick::IMGTYPE_UNDEFINED (integer)
Gmagick::IMGTYPE_BILEVEL (integer)
Gmagick::IMGTYPE_GRAYSCALE (integer)
Gmagick::IMGTYPE_GRAYSCALEMATTE (integer)
Gmagick::IMGTYPE_PALETTE (integer)
Gmagick::IMGTYPE_PALETTEMATTE (integer)
Gmagick::IMGTYPE_TRUECOLOR (integer)
Gmagick::IMGTYPE_TRUECOLORMATTE (integer)
Gmagick::IMGTYPE_COLORSEPARATION (integer)
Gmagick::IMGTYPE_COLORSEPARATIONMATTE (integer)
Gmagick::IMGTYPE_OPTIMIZE (integer)
The $image_Type parameter can be one of these constants:
imagick::IMGTYPE_UNDEFINED (integer)
imagick::IMGTYPE_BILEVEL (integer)
imagick::IMGTYPE_GRAYSCALE (integer)
imagick::IMGTYPE_GRAYSCALEMATTE (integer)
imagick::IMGTYPE_PALETTE (integer)
imagick::IMGTYPE_PALETTEMATTE (integer)
imagick::IMGTYPE_TRUECOLOR (integer)
imagick::IMGTYPE_TRUECOLORMATTE (integer)
imagick::IMGTYPE_COLORSEPARATION (integer)
imagick::IMGTYPE_COLORSEPARATIONMATTE (integer)
imagick::IMGTYPE_OPTIMIZE (integer)
See section "IMGTYPE constants" at http://www.php.net/manual/en/imagick.constants.php