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cpdf-source
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This commit is contained in:
John Whitington 2022-12-02 15:33:54 +00:00
parent e8aa935aa8
commit 88970eacc8
1 changed files with 34 additions and 4 deletions
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38
cpdfcommand.ml
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@ -1750,6 +1750,8 @@ let whingemalformed () =
type drawops_colspec =
NoCol
| RGB of float * float * float
| Grey of float
| CYMK of float * float * float * float
type drawops =
| Rect of float * float * float * float (* x, y, w, h *)
@ -1761,7 +1763,19 @@ type drawops =
let drawops = ref []
(* Add rect to list of drawing commands *)
let col_of_string s =
match parse_color s with
| Cpdfaddtext.RGB (r, g, b) -> RGB (r, g, b)
| Cpdfaddtext.Grey g -> Grey g
| Cpdfaddtext.CYMK (c, y, m, k) -> CYMK (c, y, m, k)
| exception _ -> NoCol
let setstroke s =
drawops := Stroke (col_of_string s)::!drawops
let setfill s =
drawops := Fill (col_of_string s)::!drawops
let addrect s =
let x, y, w, h = Cpdfcoord.parse_rectangle (Pdf.empty ()) s in
drawops := Rect (x, y, w, h)::!drawops
@ -2559,6 +2573,8 @@ and specs =
("-rect", Arg.String addrect, " Draw rectangle");
("-to", Arg.String addto, " Move to");
("-line", Arg.String addline, " Line to");
("-stroke", Arg.String setstroke, " Set stroke colour");
("-fill", Arg.String setfill, " Set fill colour");
("-end", Arg.Unit endpath, " End path");
(* These items are undocumented *)
("-remove-unused-resources", Arg.Unit (setop RemoveUnusedResources), "");
@ -3125,14 +3141,28 @@ type state =
let state =
{fill = NoCol;
stroke = NoCol}
stroke = RGB (0., 0., 0.)}
let ops_of_drawop = function
| Rect (x, y, w, h) -> [Pdfops.Op_re (x, y, w, h)]
| To (x, y) -> [Pdfops.Op_m (x, y)]
| Line (x, y) -> [Pdfops.Op_l (x, y)]
| Fill x -> (* FIXME: do col *) state.fill <- x; []
| Stroke x -> (* FIXME: do col *) state.stroke <- x; []
| Fill x ->
state.fill <- x;
begin match x with
| RGB (r, g, b) -> [Op_rg (r, g, b)]
| Grey g -> [Op_g g]
| CYMK (c, y, m, k) -> [Op_k (c, y, m, k)]
| NoCol -> []
end
| Stroke x ->
state.stroke <- x;
begin match x with
| RGB (r, g, b) -> [Op_RG (r, g, b)]
| Grey g -> [Op_G g]
| CYMK (c, y, m, k) -> [Op_K (c, y, m, k)]
| NoCol -> []
end
| EndPath ->
begin match state.fill, state.stroke with
| NoCol, NoCol -> []