bugGNU Octave - Bugs: bug #55796, SVG Images support for imread

 
 

bug #55796: SVG Images support for imread

Submitted by:  None
Submitted on:  Thu 28 Feb 2019 02:30:22 PM UTC  
 
Category:  Octave Function Severity:  1 - Wish
Priority:  3 - Low Item Group:  Feature Request
Status:  Need Info Assigned to:  None
Originator Name:  khalil2535 Originator Email:  -email is unavailable-
Open/Closed:  Open Release:  dev
Operating System:  Any

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Fri 01 Mar 2019 08:37:36 PM UTC, comment #4: 

Please see also the discussion in bug #55486.

IMHO if someone really wants to add support for rasterizing vector formats (through gostscript or whatever), it'd better be done in a separate function, and let imread keep on reading pixels only.

Pantxo Diribarne <pantxo>
Project Member
Fri 01 Mar 2019 08:56:05 AM UTC, comment #3: 

FWIW, imread and related functions in Matlab seem to only support raster graphics. Vector graphics don't seem to be supported at least for R2016a on Windows:

>> imformats

EXT       ISA     INFO        READ      WRITE     ALPHA  DESCRIPTION
-----------------------------------------------------------------------------------------
bmp       isbmp   imbmpinfo   readbmp   writebmp  0      Windows Bitmap
cur       iscur   imcurinfo   readcur             1      Windows Cursor resources
fts fits  isfits  imfitsinfo  readfits            0      Flexible Image Transport System
gif       isgif   imgifinfo   readgif   writegif  0      Graphics Interchange Format
hdf       ishdf   imhdfinfo   readhdf   writehdf  0      Hierarchical Data Format
ico       isico   imicoinfo   readico             1      Windows Icon resources
j2c j2k   isjp2   imjp2info   readjp2   writej2c  0      JPEG 2000 (raw codestream)
jp2       isjp2   imjp2info   readjp2   writejp2  0      JPEG 2000 (Part 1)
jpf jpx   isjp2   imjp2info   readjp2             0      JPEG 2000 (Part 2)
jpg jpeg  isjpg   imjpginfo   readjpg   writejpg  0      Joint Photographic Experts Group
pbm       ispbm   impnminfo   readpnm   writepnm  0      Portable Bitmap
pcx       ispcx   impcxinfo   readpcx   writepcx  0      Windows Paintbrush
pgm       ispgm   impnminfo   readpnm   writepnm  0      Portable Graymap
png       ispng   impnginfo   readpng   writepng  1      Portable Network Graphics
pnm       ispnm   impnminfo   readpnm   writepnm  0      Portable Any Map
ppm       isppm   impnminfo   readpnm   writepnm  0      Portable Pixmap
ras       isras   imrasinfo   readras   writeras  1      Sun Raster
tif tiff  istif   imtifinfo   readtif   writetif  0      Tagged Image File Format
xwd       isxwd   imxwdinfo   readxwd   writexwd  0      X Window Dump

Anyway if someone wants to implement imread for vector graphics (incl. svg), I won't oppose.

Markus M├╝tzel <mmuetzel>
Project Member
Fri 01 Mar 2019 06:25:07 AM UTC, comment #2: 

I think you are referring to the imformats, imread, and imwrite functions, is that correct?

Yes.

Anonymous
Thu 28 Feb 2019 08:02:07 PM UTC, comment #1: 

It's a little unclear what this bug report refers to. For example, Octave can definitely print figures to SVG as an output format.

I think you are referring to the imformats, imread, and imwrite functions, is that correct?

Mike Miller <mtmiller>
Project Administrator
Thu 28 Feb 2019 02:30:22 PM UTC, original submission:  

We need to support .svg format images such it's widely used , even the logo for Octave in gnu.org website is in .svg format (see https://www.gnu.org/software/octave/img/octave-logo.svg).

I know it's hard because the svg is a very complex specification but It's also used alot , at least change the format of logo to another format that's supported by the program it presents. (don't do that plz xD)

Anonymous

 

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    Follow 5 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2019-03-01 mmuetzel SummarySVG Images support => SVG Images support for imread
    2019-02-28 mtmiller Severity3 - Normal => 1 - Wish
        Priority5 - Normal => 3 - Low
        StatusNone => Need Info
        Release5.1.0 => dev

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