IM 7 upgrade notes

[Danack]

Most of these removals can be reverted, by making the functions call the equivalent functionality in IM7 that was used in IM6.

Functions removed:

ImagickDraw::matte

Imagick::colorFloodfillImage -
Imagick::filter - The FilterImage() method has been removed. Use ConvolveImage() instead.

Imagick::getImageAttribute - probably getImageProperty - http://www.imagemagick.org/discourse-server/viewtopic.php?f=6&t=8196
Imagick::getImageChannelExtrema - uses MagickGetImageRange internally
Imagick::getImageClipMask - todo research clip change.
Imagick::getImageExtrema - uses MagickGetImageRange internally
Imagick::getImageMatte -
Imagick::getImageMatteColor -
Imagick::mapImage - Imagick::remapImage(Imagick $replacement, int $DITHER): bool maybe....
Imagick::matteFloodfillImage
Imagick::medianFilterImage - StatisticImage(image,MedianStatistic,(size_t) radius,(size_t) radius,exception);
Imagick::mosaicImages - return(MergeImageLayers(image,MosaicLayer,exception));
Imagick::orderedPosterizeImage - Renamed OrderedPosterizeImage to OrderedDitherImage
Imagick::paintFloodfillImage
Imagick::paintOpaqueImage - MagickOpaquePaintImageChannel (opaque + paint swapped...)
Imagick::paintTransparentImage - TransparentPaintImage(image,target,opacity,MagickFalse)
Imagick::recolorImage - Imagick::colorMatrixImage
Imagick::radialBlurImage - Imagick::rotationBlurImage
Imagick::reduceNoiseImage - StatisticImage(image,NonpeakStatistic,(size_t) radius,(size_t) radius,exception);
Imagick::setImageAttribute - MagickSetImageProperty http://www.imagemagick.org/discourse-server/viewtopic.php?f=6&t=8196
Imagick::setImageBias - bias is gone
Imagick::setImageBiasQuantum - bias is gone
Imagick::setImageClipMask - the way masks work has been refactor. Use Imagick::setImageMask instead.
Imagick::setImageMatteColor
Imagick::setImageOpacity
Imagick::transformImage - Use the Imagick::cropImage and Imagick::resize functions instead.

Constants removed

COLOR_OPACITY
COMPOSITE_ADD
COMPOSITE_MINUS
IMGTYPE_GRAYSCALEMATTE
IMGTYPE_TRUECOLORMATTE
IMGTYPE_COLORSEPARATIONMATTE
IMGTYPE_PALETTEBILEVELMATTE
GRAVITY_STATIC
CHANNEL_MATTE
METRIC_UNDEFINED
PIXEL_INTEGER
PIXELSTORAGE_INTEGER
COLORSPACE_LAB
COLORSPACE_REC601LUMA
COLORSPACE_REC709LUMA
VIRTUALPIXELMETHOD_CONSTANT
INTERPOLATE_BICUBIC
INTERPOLATE_FILTER
INTERPOLATE_NEARESTNEIGHBOR
ALPHACHANNEL_FLATTEN