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178 lines
3.8 KiB
Plaintext
178 lines
3.8 KiB
Plaintext
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heh. bug in pdfselect on compressed object streams. gc takes forever, no objects remain...
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lazy nametree
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lazy pagetree
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builtin standard cmap files (?)
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put unicode strings in text object, not font (a la metro)
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xml parser
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unicode normaliser
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path stroke/dash/flatten work on real path struct
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turn into gel as second step after stroke/flatten
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add intersector for metro union/xor/difference stuff
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image rescale to exact size instead of by integer quantas
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public / private api
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fix the shading code:
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3 levels of detail patch mesh (quad, patch, tensor)
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subdivide to triangles on the fly
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draw tris as before
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reuse more code in the parsing
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error cleanup
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--- WORLD ---
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the fitz world is:
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the set of resources:
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trees, fonts, images, shades, colorspaces
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the list of pages:
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references to tree resources
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opaque / transparent / invisible ?
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input device drivers create a fitz world from a document
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readps -- use ghostscript
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readpdf -- use mupdf
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readmetro -- use samus
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the mapping from file -> pages and resources
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internal to the driver, nothing fitz cares or knows about
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should be lazy -- loaded on an as-needed basis
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should be reference counted -- can free and reload resources
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minimal api (that works for *all* input drivers)
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open(file)
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close()
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nextpage()
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extended api (that may or may not work optimally)
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countpages()
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loadpage(number)
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output drivers take a fitz world and produce whatever
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raster
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writeps
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writepdf
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writemetro
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--- WORLD API ---
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Fitz World APIs
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Trees:
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fz_tree
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fz_node with subclasses
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leafs:
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fz_solidnode
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fz_imagenode
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fz_shadenode
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fz_pathnode
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fz_textnode
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branches:
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fz_transformnode
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fz_overnode
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fz_masknode
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fz_blendnode # for pdf 1.4 and pcl rops
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fz_linknode
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fz_metanode
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construction api
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navigation api
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Colorspaces:
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fz_colorspace
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fz_devicecolor (gray, rgb, cmyk)
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fz_iccprofile (icc profile colorspace)
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fz_separation (how do we do alternate tint functions?)
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Images:
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fz_image
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fz_jpegimage # jpeg-compressed
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fz_tileimage # 1,8,16 bit image chopped into tiles
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...or...
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fz_monoimage # 1-bit image
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fz_byteimage # 8-bit image
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fz_wordimage # 16-bit image
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Shades:
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fz_shade
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mesh of quads, patches, tensors
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Fonts:
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fz_font
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fz_fakefont # substitute fonts
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fz_t3font # sub-trees define glyphs
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fz_psfont # cff postscript font
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fz_ttfont # truetype font
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--- OLD ---
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immediate plan:
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* clean up and 'freeze' public api
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* get font bbox from fontdescriptor if available
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* refactor image loading
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* refactor xref loading/repair
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* restructure build.c and interpret.c (ftb vs csi)
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* fix the colorspace/pattern/shading material mess
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* font loading:
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- configuration... where to find system files (asian font archive?)
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- system fontfile + cmap store
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- embedded fontfile store
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- split type3 and ftfont malloc (dont waste t3 charprocs on ft fonts)
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- make ftfontfile separate struct w/ refcounting
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- refactor font loading more. simple/cid/type3 have too much in common.
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* structure low/high level stuff
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- rewrite outline parser
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- implement comments
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* clean high-level api
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- go through spec and check all features!
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- altivec optimize
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transparency (v2)
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- everything!
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colorspace conversions (v2)
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- fast color cubes
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- proper colorspace conversions
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- gamut compression
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- extended render intents
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image rendering (v2)
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- tiles
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- dct case
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- better filter than box
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- lazy decoding
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rendering
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- fix glyphcache evictlast
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- bbox culling per glyph
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- render cache (link-nodes and scaled images and colorspaced shades)
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fz_optimizetree()
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- error & memory
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- concatenate chained transforms
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- remove identity transforms
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for filters:
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validate ahxd pushback
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go through eof responsibility
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be more defensive of api user errors
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jbig2 rewrite
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dctencode params
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dctdecode app marker
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jpxd rewrite (or do special trick to load into image directly)
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