@ Stefano:
Sorry for being late. I hope the information below is of some help
the test site has following configuration:
WINSTALLER Testsite (taken from typo3.org)
GraphicsMagick enabled: 1
GraphicsMagick path: C:\TYPO3_4.3.0\GraphicsMagick\ ()
GraphicsMagick path/LZW: C:\TYPO3_4.3.0\GraphicsMagick\ ()
Version 5/GraphicsMagick flag: gm
GDLib enabled: 1
GDLib using PNG:
GDLib 2 enabled: 1
IM5 effects enabled: -1 (Blurring/Sharpening with IM 5+)
Freetype DPI: 96 (Should be 96 for Freetype 2)
Mask invert: 0 (Should be set for some IM versions approx. 5.4+)
File Formats: gif,jpg,jpeg,tif,bmp,pcx,tga,png,pdf,ai
The error messages are:Combine using a GIF mask with only black and white
C:\TYPO3_4.3.0\GraphicsMagick\gm.exe convert +profile '*' -colorspace GRAY +matte "C:/TYPO3_4.3.0/htdocs/Testsite/typo3/sysext/install/imgs/blackwhite_mask.gif" "C:/TYPO3_4.3.0/htdocs/Testsite/typo3temp/temp/81d8524f66a1f67badd53753cd002fe9.gif"
C:\TYPO3_4.3.0\GraphicsMagick\gm.exe composite +profile '*' -compose +matte over "C:/TYPO3_4.3.0/htdocs/Testsite/typo3/sysext/install/imgs/greenback.gif" "C:/TYPO3_4.3.0/htdocs/Testsite/typo3/sysext/install/imgs/jesus.jpg" "C:/TYPO3_4.3.0/htdocs/Testsite/typo3temp/temp/81d8524f66a1f67badd53753cd002fe9.gif" "C:/TYPO3_4.3.0/htdocs/Testsite/typo3temp/install_44f1273ab1.jpg"
Combine using a JPG mask with graylevels
C:\TYPO3_4.3.0\GraphicsMagick\gm.exe convert +profile '*' -colorspace GRAY +matte "C:/TYPO3_4.3.0/htdocs/Testsite/typo3/sysext/install/imgs/combine_mask.jpg" "C:/TYPO3_4.3.0/htdocs/Testsite/typo3temp/temp/e8d41984d46583f7bbed7622245b3204.gif"
C:\TYPO3_4.3.0\GraphicsMagick\gm.exe composite +profile '*' -compose +matte over "C:/TYPO3_4.3.0/htdocs/Testsite/typo3/sysext/install/imgs/combine_back.jpg" "C:/TYPO3_4.3.0/htdocs/Testsite/typo3/sysext/install/imgs/jesus.jpg" "C:/TYPO3_4.3.0/htdocs/Testsite/typo3temp/temp/e8d41984d46583f7bbed7622245b3204.gif" "C:/TYPO3_4.3.0/htdocs/Testsite/typo3temp/install_fcaf26c521.jpg"
My configuration is (typo3 hosted on hosteurope webpack M):
ImageMagick enabled: 1
ImageMagick path: .../cgi-bin/ (4.2.9)
ImageMagick path/LZW: .../cgi-bin/ (4.2.9)
Version 5/GraphicsMagick flag:
GDLib enabled: 1
GDLib using PNG: 0
GDLib 2 enabled: 1
IM5 effects enabled: 0 (Blurring/Sharpening with IM 5+)
Freetype DPI: 96 (Should be 96 for Freetype 2)
Mask invert: 0 (Should be set for some IM versions approx. 5.4+)
File Formats: gif,jpg,jpeg,tif,bmp,pcx,tga,png
The error messages are:
Combine using a GIF mask with only black and white
.../cgi-bin/convert +profile '*' -colorspace GRAY +matte '/.../typo3/sysext/install/imgs/blackwhite_mask.gif' '/.../typo3temp/temp/a35a1dd35d919cdb251ffae542f80668.gif'
.../cgi-bin/combine +profile '*' -compose over +matte '/.../typo3/sysext/install/imgs/greenback.gif' '/...typo3/sysext/install/imgs/jesus.jpg' '/.../typo3temp/temp/a35a1dd35d919cdb251ffae542f80668.gif' '/.../typo3temp/install_44f1273ab1.jpg'
Combine using a JPG mask with graylevels
.../cgi-bin/convert +profile '*' -colorspace GRAY +matte '/.../typo3/sysext/install/imgs/combine_mask.jpg' '/.../typo3temp/temp/713e6567d2a2db3a1e92c7faf5b82044.gif'
.../cgi-bin/combine +profile '*' -compose over +matte '/.../typo3/sysext/install/imgs/combine_back.jpg' '/.../typo3/sysext/install/imgs/jesus.jpg' '/.../typo3temp/temp/713e6567d2a2db3a1e92c7faf5b82044.gif' '/.../typo3temp/install_fcaf26c521.jpg'