SVN commit 541393 by cgilles:
digikam from stable : optimization of DigikamImagePlugins handbook PNG files using pngnq tool. Results : before recompression : 21.696.614 bytes after recompression : 7.468.602 bytes! CCMAIL: [hidden email], [hidden email] M +15 -7 README M adjustcurvesdialog.png M adjustcurvespreview.png M adjustlevelsdialog.png M adjustlevelspreview.png M antivignettingdialog.png M antivignettingpreview.png M blowupdialog.png M blowuppreview.png M blowupsettings1.png M blowupsettings2.png M blurfx_farblur.png M blurfx_focusblur.png M blurfx_frostglass.png M blurfx_mosaic.png M blurfx_motionblur.png M blurfx_radialblur.png M blurfx_shakeblur.png M blurfx_smartblur.png M blurfx_softenerblur.png M blurfx_zoomblur.png M blurfxpreview.png M borderpreview.png M channelmixerdialog.png M channelmixerpreview.png M charcoalpreview.png M cimg-logo.png M despeckledialog.png M despecklepreview.png M distortionfx_blockwaves1.png M distortionfx_blockwaves2.png M distortionfx_caricature.png M distortionfx_circularwaves1.png M distortionfx_circularwaves2.png M distortionfx_corners.png M distortionfx_cylinderh.png M distortionfx_cylinderhv.png M distortionfx_cylinderv.png M distortionfx_fisheyes.png M distortionfx_polarcoord.png M distortionfx_tiles.png M distortionfx_twirl.png M distortionfx_unpolarcoord.png M distortionfx_wavesh.png M distortionfx_wavesv.png M distortionfxpreview.png M distortions.png M embosspreview.png M filmgrainpreview.png M freerotationpreview.png M hotpixelsdialog.png M hotpixelspreview.png M infraredpreview.png M inpaintingdialog.png M inpaintingpreview.png M inpaintingsettings1.png M inpaintingsettings2.png M inserttextpreview.png M lensdistortiondialog.png M lensdistortionpreview.png M logo.png M oilpaintpreview.png M perspectivepreview.png M raindropspreview.png M refocus-notsharpened.png M refocus-refocus.png M refocus-sharped.png M refocus-unsharpmask.png M refocusdialog.png M refocuspreview.png M restorationdialog.png M restorationpreview.png M restorationpreview2.png M restorationsettings1.png M restorationsettings2.png M sheartoolpreview.png M solarizepreview.png M superimposepreview.png M texturedialog.png M texturepreview.png M unsharpdialog.png M unsharppreview.png M whitebalancedialog.png M whitebalancepreview.png --- branches/stable/extragear/graphics/doc/digikamimageplugins/README #541392:541393 @@ -3,10 +3,10 @@ >>> How to Make Screenshot for Manual with Alpha Blending 3D Border <<< -- Never use advanced color theme to make screenshots. Always use KDE default color. +- Never use advanced color theme to make screenshots. Always use KDE default color and icon set. -- Use KSnapshot for take a shot. Use region selection option for take only - important area. Remove buttons and dialog hearder for limit image file size. +- Use KSnapshot or Gimp Import to take a shot. Use region selection option to select only + important area. Remove buttons and dialog header to limit image file size. _ALWAYS use PNG file format to save image. - Open your screenshot in Gimp 2.0 and make operations below: @@ -26,11 +26,19 @@ -> Allow Resizing = On * Save target image in PNG with max compression (Compression Level = 9) -Note : A gimp2.2 script from Gerhard Kulzer can be use to add Alpha Blending 3D Border around screenshots. +Note : A gimp2.[2,3] script from Gerhard Kulzer can be used to add Alpha Blending 3D Border around screenshots. Always use default settings. Script can be downloaded from this url: -http://digikam3rdparty.free.fr/Tools/printscreen-to-manual.scm +http://digikam3rdparty.free.fr/Tools/printscreen-v2.2.scm +http://digikam3rdparty.free.fr/Tools/printscreen-v2.3.scm + +!----------Important-------------! +Since the documentation is very good it is also very demanding in terms of volume, 99% whereof are screenshots. In order to limit the byte count to the minimum the following command chain shall be used to reduce the png file size. A factor of 2-4 can be gained. From within the folder where the png reside issue this command (requires pngnq and optipng to be installed on the system): + +pngnq -s 1 ./*.png && optipng *-nq8.png && rename -f s/-nq8\.png/.png/ *-nq8.png + + +Gilles Caulier <caulier dot gilles at kdemail dot net> +Gerhard Kulzer <gerhard at kulzer dot net> -Gilles Caulier <caulier dot gilles at free dot fr> - \ No newline at end of file _______________________________________________ Digikam-devel mailing list [hidden email] https://mail.kde.org/mailman/listinfo/digikam-devel |
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