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Change instances of Cairo to cairo where necessary. Add note about broken dashing on splines.
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Carl Worth
parent
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commit
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2 changed files with 38 additions and 31 deletions
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@ -1,3 +1,8 @@
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2003-12-16 Carl Worth <cworth@isi.edu>
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* TODO: Change instances of Cairo to cairo where necessary. Add
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note about broken dashing on splines.
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2003-12-15 Carl Worth <cworth@isi.edu>
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* src/cairo_gstate.c (_cairo_gstate_text_extents):
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64
TODO
64
TODO
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@ -7,6 +7,8 @@ is done).
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* Fix the intersection problem, (see reference to Hobby's paper
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mentioned in cairo_traps.c).
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* Implement dashing for cairo_curve_to.
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* Implement support for programmatic patterns.
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* Implement cairo_text_extents, cairo_glyph_extents, cairo_text_path,
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@ -32,108 +34,108 @@ A comparison with PostScript
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============================
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Here's a list of several classes of PostScript operators indicating
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which operators have rough equivalents in Cairo and which do not. In
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general, the name of a Cairo function corresponding to a PostScript
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which operators have rough equivalents in cairo and which do not. In
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general, the name of a cairo function corresponding to a PostScript
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operator can be obtained by inserting a '_' between each word and
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prefixing it with "cairo_". For example, "cairo_move_to" corresponds
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to the PostScript "moveto".
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In cases where the name of the Cairo function deviates from this
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convention, or when the behavior of the Cairo function is
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In cases where the name of the cairo function deviates from this
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convention, or when the behavior of the cairo function is
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significantly different, the change is noted in parentheses below.
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This list is not exhaustive, (there are definitely some minor (major?)
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semantic deviations that are not noted below). Also, this list is
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almost certainly out of date with respect to the current Cairo
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almost certainly out of date with respect to the current cairo
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implementation. Caveat lector.
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Oerators that are not yet in Cairo, but probably should be: arcto,
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Operators that are not yet in cairo, but probably should be: arcto,
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strokepath, rectclip?, clipsave/restore?, setstrokeadjust?,
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currentdash, grestoreall?, initgraphics?, currentgstate?, setgstate?,
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erasepage?, setsmoothness?
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Painting operators
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------------------
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in Cairo: stroke, fill, eofill (set_fill_rule/fill), image
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in cairo: stroke, fill, eofill (set_fill_rule/fill), image
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(show_surface)
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not in Cairo: erasepage, rectstroke, rectfill, shfill, colorimage,
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not in cairo: erasepage, rectstroke, rectfill, shfill, colorimage,
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imagemask
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Path construction operators
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---------------------------
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in Cairo: arc, arcn (arc_negative), newpath, moveto, rmoveto
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in cairo: arc, arcn (arc_negative), newpath, moveto, rmoveto
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(rel_move_to), lineto, rlineto (rel_line_to), curveto, rcurveto
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(rel_curve_to), closepath, currentpoint, charpath (text_path)
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not in Cairo: arct, arcto, flattenpath, reversepath, strokepath,
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not in cairo: arct, arcto, flattenpath, reversepath, strokepath,
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clippath, pathbbox, pathforall
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Clipping
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--------
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in Cairo: clip, eoclip (set_fill_rule/clip)
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in cairo: clip, eoclip (set_fill_rule/clip)
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not in Cairo: initclip, rectclip, clipsave, cliprestore
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not in cairo: initclip, rectclip, clipsave, cliprestore
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Graphics state operators
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------------------------
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in Cairo: setlinewidth, currentlinewidth, setlinecap, currentlinecap,
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in cairo: setlinewidth, currentlinewidth, setlinecap, currentlinecap,
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setlinejoin, currentlinejoin, setmiterlimit, currentmiterlimit,
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setdash
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not in Cairo: setstrokeadjust, currentstrokeadjust, currentdash
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not in cairo: setstrokeadjust, currentstrokeadjust, currentdash
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Color specification operators
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-----------------------------
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in Cairo: setrgbcolor, currentcolor
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in cairo: setrgbcolor, currentcolor
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not in Cairo: setcolor, setgray, currentgray, currentrgbcolor,
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not in cairo: setcolor, setgray, currentgray, currentrgbcolor,
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sethsbcolor, currenthsbcolor, setcmykcolor, currentcmykcolor,
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setcolorspace, currentcolorspace
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Form and pattern operators
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--------------------------
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in Cairo: setpattern, makepattern (lock_pattern)
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in cairo: setpattern, makepattern (lock_pattern)
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not in Cairo: execform
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not in cairo: execform
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Whole-state manipulation
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------------------------
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in Cairo: gsave (save), grestore (restore)
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in cairo: gsave (save), grestore (restore)
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not in Cairo: grestoreall, initgraphics, gstate, currentgstate,
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not in cairo: grestoreall, initgraphics, gstate, currentgstate,
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setgstate
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Coordinate system and matrix operators
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--------------------------------------
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in Cairo: identmatrix (identity_matrix), initmatrix (default_matrix),
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in cairo: identmatrix (identity_matrix), initmatrix (default_matrix),
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setmatrix, translate, scale, rotate, concatmatrix, currentmatrix,
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transform (transform_point), dtransform (transform_distance)
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not in Cairo: matrix, defaultmatrix, concat, itransform, idtransform,
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not in cairo: matrix, defaultmatrix, concat, itransform, idtransform,
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invertmatrix
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Insideness testing
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------------------
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in Cairo: infill, instroke, ineofill (set_fill_rule/in_fill)
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in cairo: infill, instroke, ineofill (set_fill_rule/in_fill)
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not in Cairo: inufill, inustroke, inueofill
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not in cairo: inufill, inustroke, inueofill
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Device setup
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------------
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in Cairo: showpage, copypage
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in cairo: showpage, copypage
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not in Cairo: setpagedevice, currentpagedevice, nulldevice
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not in cairo: setpagedevice, currentpagedevice, nulldevice
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Glyph and font operators
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------------------------
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in Cairo: currentfont, definefont (font_create_for_ft_face),
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in cairo: currentfont, definefont (font_create_for_ft_face),
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undefine_font (font_destroy), findfont (font_create), makefont
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(transform_font), setfont, scalefont, selectfont, show (show_text),
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stringwidth (x/y in text_extents), xyshow (glyph_show -- but ignoring
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current_point and using absolute positions)
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not in Cairo, (and likely not needed): composefont, rootfont, ashow,
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not in cairo, (and likely not needed): composefont, rootfont, ashow,
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widthshow, awidthshow, xshow, xyshow, yshow, glyphshow, cshow, kshow,
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FontDirectory, GlobalFontDirectory, StandardEncoding,
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ISOLatin1Encoding, findencoding, setcachedevice, setcachedevice2,
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@ -141,16 +143,16 @@ setcharwidth
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Graphics state operators (device-dependent)
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-------------------------------------------
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in Cairo: setflat (set_tolerance), currentflat (current_tolerance)
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in cairo: setflat (set_tolerance), currentflat (current_tolerance)
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not in Cairo: sethalftone, currenthalftone, setscreen, currentscreen,
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not in cairo: sethalftone, currenthalftone, setscreen, currentscreen,
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setcolorscreen, currentcolorscreen, settransfer, currenttransfer,
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setcolortransfer, currentcolortransfer, setblackgeneration,
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currentblackgeneration, setundercolorremoval,
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currentundercolorremoval, setcolorrendering, currentcolorrendering,
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setoverprint, currentoverprint, setsmoothness, currentsmoothness
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PostScript operators never to be in Cairo
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PostScript operators never to be in cairo
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-----------------------------------------
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Operator Stack Manipulation Operators, Arithmetic and Math Operators,
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Array Operators, Packed Array Operators, Dictionary Operators, String
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