diff options
Diffstat (limited to 'metapost/context')
| -rw-r--r-- | metapost/context/base/mp-base.mpiv | 2 | ||||
| -rw-r--r-- | metapost/context/base/mp-func.mpiv | 16 | ||||
| -rw-r--r-- | metapost/context/base/mp-mlib.mpiv | 363 | ||||
| -rw-r--r-- | metapost/context/base/mp-tool.mpiv | 55 |
4 files changed, 292 insertions, 144 deletions
diff --git a/metapost/context/base/mp-base.mpiv b/metapost/context/base/mp-base.mpiv index 20f62d6bf..28eb57fb8 100644 --- a/metapost/context/base/mp-base.mpiv +++ b/metapost/context/base/mp-base.mpiv @@ -866,7 +866,7 @@ vardef labels@#(text t) = endfor enddef ; -% til lhere +% till lhere vardef dotlabels@#(text t) = forsuffixes $=t: diff --git a/metapost/context/base/mp-func.mpiv b/metapost/context/base/mp-func.mpiv index 1ff330038..81b37fd1c 100644 --- a/metapost/context/base/mp-func.mpiv +++ b/metapost/context/base/mp-func.mpiv @@ -23,6 +23,7 @@ mfun_pathconnectors[0] := "," ; mfun_pathconnectors[1] := "--" ; mfun_pathconnectors[2] := ".." ; mfun_pathconnectors[3] := "..." ; +mfun_pathconnectors[4] := "---" ; def pathconnectors = mfun_pathconnectors enddef ; @@ -39,9 +40,10 @@ enddef ; def function = mfun_function enddef ; % let doesn't work here def straightfunction = mfun_function (1) enddef ; -def punkedfunction = mfun_function (1) enddef ; def curvedfunction = mfun_function (2) enddef ; -def tightfunction = mfun_function (3) enddef ; + +% def punkedfunction = mfun_function (1) enddef ; % same as straightfunction +% def tightfunction = mfun_function (3) enddef ; % same as curvedfunction vardef mfun_constructedpath (expr f) (text t) = save ok ; boolean ok ; ok := false ; @@ -57,9 +59,10 @@ enddef ; def constructedpath = mfun_constructedpath enddef ; % let doesn't work here def straightpath = mfun_constructedpath (1) enddef ; -def punkedpath = mfun_constructedpath (1) enddef ; def curvedpath = mfun_constructedpath (2) enddef ; -def tightpath = mfun_constructedpath (3) enddef ; + +def punkedpath = mfun_constructedpath (1) enddef ; % same as straightpath +def tightpath = mfun_constructedpath (3) enddef ; % same as curvedpath vardef mfun_constructedpairs (expr f) (text p) = save i ; i := -1 ; @@ -74,6 +77,7 @@ enddef ; def constructedpairs = mfun_constructedpairs enddef ; % let doesn't work here def straightpairs = mfun_constructedpairs (1) enddef ; -def punkedpairs = mfun_constructedpairs (1) enddef ; def curvedpairs = mfun_constructedpairs (2) enddef ; -def tightpairs = mfun_constructedpairs (3) enddef ; + +def punkedpairs = mfun_constructedpairs (1) enddef ; % same as straightpairs +def tightpairs = mfun_constructedpairs (3) enddef ; % same as curvedpairs diff --git a/metapost/context/base/mp-mlib.mpiv b/metapost/context/base/mp-mlib.mpiv index 6dffd6cdb..ac1bf7437 100644 --- a/metapost/context/base/mp-mlib.mpiv +++ b/metapost/context/base/mp-mlib.mpiv @@ -60,23 +60,37 @@ def namedcolor (expr n) = withprescript "sp_name=" & n enddef ; +% def spotcolor(expr n, v) = +% 1 +% withprescript "sp_type=spot" +% withprescript "sp_name=" & n +% withprescript "sp_value=" & (if numeric v : decimal v else : v fi) +% enddef ; +% +% def multitonecolor(expr name, fractions, components, value) = +% 1 +% withprescript "sp_type=multitone" +% withprescript "sp_name=" & name +% withprescript "sp_fractions=" & decimal fractions +% withprescript "sp_components=" & components +% withprescript "sp_value=" & value +% enddef ; + def spotcolor(expr n, v) = 1 withprescript "sp_type=spot" withprescript "sp_name=" & n - withprescript "sp_value=" & v + withprescript "sp_value=" & colordecimals v enddef ; -def multitonecolor(expr name, fractions, components, value) = +def multitonecolor(expr name)(text t) = 1 withprescript "sp_type=multitone" - withprescript "sp_name=" & name - withprescript "sp_fractions=" & decimal fractions - withprescript "sp_components=" & components - withprescript "sp_value=" & value + withprescript "sp_name=" & name + withprescript "sp_value=" & colordecimalslist(t) enddef ; -def transparent(expr a, t)(text c) = +def transparent(expr a, t)(text c) = % use withtransparency instead 1 % this permits withcolor x intoshade y withprescript "tr_alternative=" & decimal transparency_alternative_to_number(a) withprescript "tr_transparency=" & decimal t @@ -369,11 +383,163 @@ primarydef str infont name = % nasty hack fi enddef ; +% Helper + +string mfun_prescript_separator ; mfun_prescript_separator := char(13) ; + % Shades -newinternal shadefactor ; shadefactor := 1 ; -pair shadeoffset ; shadeoffset := origin ; -boolean trace_shades ; trace_shades := false ; +% for while we had this: +% +% newinternal shadefactor ; shadefactor := 1 ; +% pair shadeoffset ; shadeoffset := origin ; +% boolean trace_shades ; trace_shades := false ; +% +% def withlinearshading (expr a, b) = +% withprescript "sh_type=linear" +% withprescript "sh_domain=0 1" +% withprescript "sh_factor=" & decimal shadefactor +% withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) +% withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) +% enddef ; +% +% def withcircularshading (expr a, b, ra, rb) = +% withprescript "sh_type=circular" +% withprescript "sh_domain=0 1" +% withprescript "sh_factor=" & decimal shadefactor +% withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) +% withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) +% withprescript "sh_radius_a=" & decimal ra +% withprescript "sh_radius_b=" & decimal rb +% enddef ; +% +% def withshading (expr how)(text rest) = +% if how = "linear" : +% withlinearshading(rest) +% elseif how = "circular" : +% withcircularshading(rest) +% else : +% % nothing +% fi +% enddef ; +% +% def withfromshadecolor expr t = +% withprescript "sh_color=into" +% withprescript "sh_color_a=" & colordecimals t +% enddef ; + +% def withtoshadecolor expr t = +% withprescript "sh_color=into" +% withprescript "sh_color_b=" & colordecimals t +% enddef ; + +% but this is nicer + +path mfun_shade_path ; + +primarydef p withshademethod m = + hide(mfun_shade_path := p ;) + p + withprescript "sh_domain=0 1" + withprescript "sh_color=into" + withprescript "sh_color_a=" & colordecimals white + withprescript "sh_color_b=" & colordecimals black + if m = "linear" : + withprescript "sh_type=linear" + withprescript "sh_factor=1" + withprescript "sh_center_a=" & ddecimal llcorner p + withprescript "sh_center_b=" & ddecimal urcorner p + else : + withprescript "sh_type=circular" + withprescript "sh_factor=1.2" + withprescript "sh_center_a=" & ddecimal center p + withprescript "sh_center_b=" & ddecimal center p + withprescript "sh_radius_a=" & decimal 0 + withprescript "sh_radius_b=" & decimal ( max ( + (xpart center p - xpart llcorner p) ++ (ypart center p - ypart llcorner p), + (xpart center p - xpart ulcorner p) ++ (ypart ulcorner p - ypart center p), + (xpart lrcorner p - xpart center p) ++ (ypart center p - ypart lrcorner p), + (xpart urcorner p - xpart center p) ++ (ypart urcorner p - ypart center p) + ) ) + fi +enddef ; + +def withshadevector expr a = + withprescript "sh_center_a=" & ddecimal (point xpart a of mfun_shade_path) + withprescript "sh_center_b=" & ddecimal (point ypart a of mfun_shade_path) +enddef ; + +def withshadecenter expr a = + withprescript "sh_center_a=" & ddecimal ( + center mfun_shade_path shifted ( + xpart a * bbwidth (mfun_shade_path)/2, + ypart a * bbheight(mfun_shade_path)/2 + ) + ) +enddef ; + +def withshadedomain expr d = + withprescript "sh_domain=" & ddecimal d +enddef ; + +def withshadefactor expr f = + withprescript "sh_factor=" & decimal f +enddef ; + +def withshadecolors (expr a, b) = + withprescript "sh_color=into" + withprescript "sh_color_a=" & colordecimals a + withprescript "sh_color_b=" & colordecimals b +enddef ; + +primarydef a shadedinto b = % withcolor red shadedinto green + 1 % does not work with transparency + withprescript "sh_color=into" + withprescript "sh_color_a=" & colordecimals a + withprescript "sh_color_b=" & colordecimals b +enddef ; + +primarydef p withshade sc = + p withprescript mfun_defined_cs_pre[sc] +enddef ; + +def defineshade suffix s = + mfun_defineshade(str s) +enddef ; + +def mfun_defineshade (expr s) text t = + expandafter def scantokens s = t enddef ; +enddef ; + +def shaded text s = + s +enddef ; + +% Old macros: + +def withcircularshade (expr a, b, ra, rb, ca, cb) = + withprescript "sh_type=circular" + withprescript "sh_domain=0 1" + withprescript "sh_factor=1" + withprescript "sh_color_a=" & colordecimals ca + withprescript "sh_color_b=" & colordecimals cb + withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) + withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) + withprescript "sh_radius_a=" & decimal ra + withprescript "sh_radius_b=" & decimal rb +enddef ; + +def withlinearshade (expr a, b, ca, cb) = + withprescript "sh_type=linear" + withprescript "sh_domain=0 1" + withprescript "sh_factor=1" + withprescript "sh_color_a=" & colordecimals ca + withprescript "sh_color_b=" & colordecimals cb + withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) + withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) +enddef ; + +% replaced (obsolete): def set_linear_vector (suffix a,b)(expr p,n) = if (n=1) : a := llcorner p ; b := urcorner p ; @@ -388,7 +554,7 @@ def set_linear_vector (suffix a,b)(expr p,n) = fi ; enddef ; -def set_circular_vector (suffix ab, r)(expr p,n) = +def set_circular_vector (suffix ab,r)(expr p,n) = if (n=1) : ab := llcorner p ; elseif (n=2) : ab := lrcorner p ; elseif (n=3) : ab := urcorner p ; @@ -411,7 +577,7 @@ enddef ; def linear_shade (expr p, n, ca, cb) = begingroup ; - save a, b, sh ; pair a, b ; + save a, b ; pair a, b ; set_linear_vector(a,b)(p,n) ; fill p withlinearshade(a,b,ca,cb) ; if trace_shades : @@ -420,43 +586,19 @@ def linear_shade (expr p, n, ca, cb) = endgroup ; enddef ; -def withcircularshade (expr a, b, ra, rb, ca, cb) = - withprescript "sh_type=circular" - withprescript "sh_domain=0 1" - withprescript "sh_factor=" & decimal shadefactor - withprescript "sh_color_a=" & colordecimals ca - withprescript "sh_color_b=" & colordecimals cb - withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) - withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) - withprescript "sh_radius_a=" & decimal ra - withprescript "sh_radius_b=" & decimal rb -enddef ; - -def withlinearshade (expr a, b, ca, cb) = - withprescript "sh_type=linear" - withprescript "sh_domain=0 1" - withprescript "sh_factor=" & decimal shadefactor - withprescript "sh_color_a=" & colordecimals ca - withprescript "sh_color_b=" & colordecimals cb - withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) - withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) -enddef ; - string mfun_defined_cs_pre[] ; numeric mfun_defined_cs ; mfun_defined_cs := 0 ; -string mfun_prescript_separator ; mfun_prescript_separator := char(13) ; - vardef define_circular_shade (expr a, b, ra, rb, ca, cb) = mfun_defined_cs := mfun_defined_cs + 1 ; mfun_defined_cs_pre[mfun_defined_cs] := "sh_type=circular" - & mfun_prescript_separator & "sh_domain=0 1" - & mfun_prescript_separator & "sh_factor=" & decimal shadefactor - & mfun_prescript_separator & "sh_color_a=" & colordecimals ca - & mfun_prescript_separator & "sh_color_b=" & colordecimals cb - & mfun_prescript_separator & "sh_center_a=" & ddecimal (a shifted shadeoffset) - & mfun_prescript_separator & "sh_center_b=" & ddecimal (b shifted shadeoffset) - & mfun_prescript_separator & "sh_radius_a=" & decimal ra - & mfun_prescript_separator & "sh_radius_b=" & decimal rb + & mfun_prescript_separator & "sh_domain=0 1" + & mfun_prescript_separator & "sh_factor=1" + & mfun_prescript_separator & "sh_color_a=" & colordecimals ca + & mfun_prescript_separator & "sh_color_b=" & colordecimals cb + & mfun_prescript_separator & "sh_center_a=" & ddecimal (a shifted shadeoffset) + & mfun_prescript_separator & "sh_center_b=" & ddecimal (b shifted shadeoffset) + & mfun_prescript_separator & "sh_radius_a=" & decimal ra + & mfun_prescript_separator & "sh_radius_b=" & decimal rb ; mfun_defined_cs enddef ; @@ -464,52 +606,49 @@ enddef ; vardef define_linear_shade (expr a, b, ca, cb) = mfun_defined_cs := mfun_defined_cs + 1 ; mfun_defined_cs_pre[mfun_defined_cs] := "sh_type=linear" - & mfun_prescript_separator & "sh_domain=0 1" - & mfun_prescript_separator & "sh_factor=" & decimal shadefactor - & mfun_prescript_separator & "sh_color_a=" & colordecimals ca - & mfun_prescript_separator & "sh_color_b=" & colordecimals cb - & mfun_prescript_separator & "sh_center_a=" & ddecimal (a shifted shadeoffset) - & mfun_prescript_separator & "sh_center_b=" & ddecimal (b shifted shadeoffset) + & mfun_prescript_separator & "sh_domain=0 1" + & mfun_prescript_separator & "sh_factor=1" + & mfun_prescript_separator & "sh_color_a=" & colordecimals ca + & mfun_prescript_separator & "sh_color_b=" & colordecimals cb + & mfun_prescript_separator & "sh_center_a=" & ddecimal (a shifted shadeoffset) + & mfun_prescript_separator & "sh_center_b=" & ddecimal (b shifted shadeoffset) ; mfun_defined_cs enddef ; -primarydef p withshade sc = - p withprescript mfun_defined_cs_pre[sc] -enddef ; - - -vardef define_sampled_linear_shade(expr a,b,n)(text t) = - mfun_defined_cs := mfun_defined_cs + 1 ; - mfun_defined_cs_pre[mfun_defined_cs] := "ssh_type=linear" - & mfun_prescript_separator & "ssh_center_a=" & ddecimal (a shifted shadeoffset) - & mfun_prescript_separator & "ssh_center_b=" & ddecimal (b shifted shadeoffset) - & mfun_prescript_separator & "ssh_nofcolors=" & decimal n - & mfun_prescript_separator & "ssh_domain=" & domstr - & mfun_prescript_separator & "ssh_extend=" & extstr - & mfun_prescript_separator & "ssh_colors=" & colstr - & mfun_prescript_separator & "ssh_bounds=" & bndstr - & mfun_prescript_separator & "ssh_ranges=" & ranstr - ; - mfun_defined_cs -enddef ; - -vardef define_sampled_circular_shade(expr a,b,ra,rb,n)(text t) = - mfun_defined_cs := mfun_defined_cs + 1 ; - mfun_defined_cs_pre[mfun_defined_cs] := "ssh_type=circular" - & mfun_prescript_separator & "ssh_center_a=" & ddecimal (a shifted shadeoffset) - & mfun_prescript_separator & "ssh_radius_a=" & decimal ra - & mfun_prescript_separator & "ssh_center_b=" & ddecimal (b shifted shadeoffset) - & mfun_prescript_separator & "ssh_radius_b=" & decimal rb - & mfun_prescript_separator & "ssh_nofcolors=" & decimal n - & mfun_prescript_separator & "ssh_domain=" & domstr - & mfun_prescript_separator & "ssh_extend=" & extstr - & mfun_prescript_separator & "ssh_colors=" & colstr - & mfun_prescript_separator & "ssh_bounds=" & bndstr - & mfun_prescript_separator & "ssh_ranges=" & ranstr - ; - mfun_defined_cs -enddef ; +% I lost the example code that uses this: +% +% vardef define_sampled_linear_shade(expr a,b,n)(text t) = +% mfun_defined_cs := mfun_defined_cs + 1 ; +% mfun_defined_cs_pre[mfun_defined_cs] := "ssh_type=linear" +% & mfun_prescript_separator & "ssh_center_a=" & ddecimal (a shifted shadeoffset) +% & mfun_prescript_separator & "ssh_center_b=" & ddecimal (b shifted shadeoffset) +% & mfun_prescript_separator & "ssh_nofcolors=" & decimal n +% & mfun_prescript_separator & "ssh_domain=" & domstr +% & mfun_prescript_separator & "ssh_extend=" & extstr +% & mfun_prescript_separator & "ssh_colors=" & colstr +% & mfun_prescript_separator & "ssh_bounds=" & bndstr +% & mfun_prescript_separator & "ssh_ranges=" & ranstr +% ; +% mfun_defined_cs +% enddef ; +% +% vardef define_sampled_circular_shade(expr a,b,ra,rb,n)(text t) = +% mfun_defined_cs := mfun_defined_cs + 1 ; +% mfun_defined_cs_pre[mfun_defined_cs] := "ssh_type=circular" +% & mfun_prescript_separator & "ssh_center_a=" & ddecimal (a shifted shadeoffset) +% & mfun_prescript_separator & "ssh_radius_a=" & decimal ra +% & mfun_prescript_separator & "ssh_center_b=" & ddecimal (b shifted shadeoffset) +% & mfun_prescript_separator & "ssh_radius_b=" & decimal rb +% & mfun_prescript_separator & "ssh_nofcolors=" & decimal n +% & mfun_prescript_separator & "ssh_domain=" & domstr +% & mfun_prescript_separator & "ssh_extend=" & extstr +% & mfun_prescript_separator & "ssh_colors=" & colstr +% & mfun_prescript_separator & "ssh_bounds=" & bndstr +% & mfun_prescript_separator & "ssh_ranges=" & ranstr +% ; +% mfun_defined_cs +% enddef ; % vardef predefined_linear_shade (expr p, n, ca, cb) = % save a, b, sh ; pair a, b ; @@ -524,53 +663,6 @@ enddef ; % define_circular_shade(ab,ab,0,r,ca,cb) % enddef ; -% NEW EXPERIMENTAL CODE - -def withlinearshading (expr a, b) = - withprescript "sh_type=linear" - withprescript "sh_domain=0 1" - withprescript "sh_factor=" & decimal shadefactor - withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) - withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) -enddef ; - -def withcircularshading (expr a, b, ra, rb) = - withprescript "sh_type=circular" - withprescript "sh_domain=0 1" - withprescript "sh_factor=" & decimal shadefactor - withprescript "sh_center_a=" & ddecimal (a shifted shadeoffset) - withprescript "sh_center_b=" & ddecimal (b shifted shadeoffset) - withprescript "sh_radius_a=" & decimal ra - withprescript "sh_radius_b=" & decimal rb -enddef ; - -def withfromshadecolor expr t = - withprescript "sh_color=into" - withprescript "sh_color_a=" & colordecimals t -enddef ; - -def withtoshadecolor expr t = - withprescript "sh_color=into" - withprescript "sh_color_b=" & colordecimals t -enddef ; - -def withshading (expr how)(text rest) = - if how = "linear" : - withlinearshading(rest) - elseif how = "circular" : - withcircularshading(rest) - else : - % nothing - fi -enddef ; - -primarydef a shadedinto b = - 1 % does not work with transparency - withprescript "sh_color=into" - withprescript "sh_color_a=" & colordecimals a - withprescript "sh_color_b=" & colordecimals b -enddef ; - % Layers def onlayer primary name = @@ -784,6 +876,10 @@ vardef mfun_cmykcolor_to_string(expr c) = decimal blackpart c enddef ; +vardef mfun_greycolor_to_string(expr n) = + decimal n +enddef ; + vardef mfun_path_to_string(expr p) = mfun_point_to_string(p,0) for i=1 upto length(p) : & " " & mfun_point_to_string(p,i) endfor enddef ; @@ -810,6 +906,7 @@ vardef tostring(expr value) = elseif pair value : mfun_pair_to_string(value) elseif rgbcolor value : mfun_rgbcolor_to_string(value) elseif cmykcolor value : mfun_cmykcolor_to_string(value) + elseif greycolor value : mfun_greycolor_to_string(value) elseif boolean value : mfun_boolean_to_string(value) elseif path value : mfun_path_to_string(value) elseif transform value : mfun_transform_to_string(value) diff --git a/metapost/context/base/mp-tool.mpiv b/metapost/context/base/mp-tool.mpiv index bf7f2bccb..8af2693cd 100644 --- a/metapost/context/base/mp-tool.mpiv +++ b/metapost/context/base/mp-tool.mpiv @@ -146,6 +146,39 @@ vardef colordecimals primary c = fi enddef ; +vardef colordecimalslist(text t) = + save b ; boolean b ; b := false ; + for s=t : + if b : & " " & fi + colordecimals(s) + hide(b := true ;) + endfor +enddef ; + +% vardef _ctx_color_spec_ primary c = +% if cmykcolor c : +% "c=" & decimal cyanpart c & +% ",m=" & decimal magentapart c & +% ",y=" & decimal yellowpart c & +% ",k=" & decimal blackpart c +% elseif rgbcolor c : +% "r=" & decimal redpart c & +% ",g=" & decimal greenpart c & +% ",b=" & decimal bluepart c +% else : +% "s=" & decimal c +% fi +% enddef ; +% +% vardef _ctx_color_spec_list_(text t) = +% save b ; boolean b ; b := false ; +% for s=t : +% if b : & " " & fi +% _ctx_color_spec_(s) +% hide(b := true ;) +% endfor +% enddef ; + %D We have standardized data file names: def job_name = @@ -1550,9 +1583,13 @@ primarydef p softened c = enddef ; vardef grayed primary p = - if color p : + if rgbcolor p : tripled(.30redpart p+.59greenpart p+.11bluepart p) - else : + elseif cmykcolor p : + tripled(.30*(1-cyanpart i)+.59*(1-magentapart i)+.11*(1-yellowpart i)+blackpart i) + elseif greycolor p : + p + elseif picture p : image ( for i within p : addto currentpicture @@ -1568,10 +1605,20 @@ vardef grayed primary p = else : also i fi - withcolor tripled(.30redpart i+.59greenpart i+.11bluepart i) ; + if unknown colorpart i : + % nothing + elseif rgbcolor colorpart i : + withcolor tripled(.30redpart i+.59greenpart i+.11bluepart i) ; + elseif cmykcolor colorpart i : + withcolor tripled(.30*(1-cyanpart i)+.59*(1-magentapart i)+.11*(1-yellowpart i)+blackpart i) ; + else : + withcolor colorpart i ; + fi endfor ; ) - fi + else : + p + fi enddef ; let greyed = grayed ; |