diff options
| author | Tor Andersson <tor@ghostscript.com> | 2004-10-29 06:54:34 +0200 |
|---|---|---|
| committer | Tor Andersson <tor@ghostscript.com> | 2004-10-29 06:54:34 +0200 |
| commit | 082f865c4e16e525076a86df5da2a1b03da293bb (patch) | |
| tree | 5a02a83f78db8a5f16d9ce3d61b007c609f9fb6a /mupdf/build.c | |
| parent | 1ff59583f5a758ee99984e011525395dfb416611 (diff) | |
| download | mupdf-082f865c4e16e525076a86df5da2a1b03da293bb.tar.xz | |
fill/stroke material struct. flatten indexed colorspace.
Diffstat (limited to 'mupdf/build.c')
| -rw-r--r-- | mupdf/build.c | 109 |
1 files changed, 103 insertions, 6 deletions
diff --git a/mupdf/build.c b/mupdf/build.c index 6d0129ea..c2acde08 100644 --- a/mupdf/build.c +++ b/mupdf/build.c @@ -12,11 +12,13 @@ pdf_initgstate(pdf_gstate *gs) gs->dashlen = 0; memset(gs->dashlist, 0, sizeof(gs->dashlist)); - gs->strokecs = pdf_devicegray; - gs->stroke[0] = 0; + gs->stroke.kind = PDF_MCOLOR; + gs->stroke.cs = pdf_devicegray; + gs->stroke.v[0] = 0; - gs->fillcs = pdf_devicegray; - gs->fill[0] = 0; + gs->fill.kind = PDF_MCOLOR; + gs->fill.cs = pdf_devicegray; + gs->fill.v[0] = 0; gs->charspace = 0; gs->wordspace = 0; @@ -31,6 +33,83 @@ pdf_initgstate(pdf_gstate *gs) } fz_error * +pdf_setcolorspace(pdf_csi *csi, int what, fz_colorspace *cs) +{ + pdf_gstate *gs = csi->gstate + csi->gtop; + fz_error *error; + pdf_material *mat; + + error = pdf_flushtext(csi); + if (error) + return error; + + mat = what == PDF_MFILL ? &gs->fill : &gs->stroke; + + mat->kind = PDF_MCOLOR; + mat->cs = cs; + + mat->v[0] = 0; // FIXME: default color + mat->v[1] = 0; // FIXME: default color + mat->v[2] = 0; // FIXME: default color + mat->v[3] = 1; // FIXME: default color + + if (!strcmp(cs->name, "Indexed")) + { + mat->kind = PDF_MINDEXED; + mat->indexed = (pdf_indexed*)cs; + mat->cs = mat->indexed->base; + } + + if (!strcmp(cs->name, "Lab")) + mat->kind = PDF_MLAB; + + return nil; +} + +fz_error * +pdf_setcolor(pdf_csi *csi, int what, float *v) +{ + pdf_gstate *gs = csi->gstate + csi->gtop; + fz_error *error; + pdf_indexed *ind; + pdf_material *mat; + int i, k; + + error = pdf_flushtext(csi); + if (error) + return error; + + mat = what == PDF_MFILL ? &gs->fill : &gs->stroke; + + switch (mat->kind) + { + case PDF_MCOLOR: + for (i = 0; i < mat->cs->n; i++) + mat->v[i] = v[i]; + break; + + case PDF_MLAB: + mat->v[0] = v[0] / 100.0; + mat->v[1] = (v[1] + 100) / 200.0; + mat->v[2] = (v[2] + 100) / 200.0; + break; + + case PDF_MINDEXED: + ind = mat->indexed; + i = CLAMP(v[0], 0, ind->high); + for (k = 0; k < ind->base->n; k++) + mat->v[k] = ind->lookup[ind->base->n * i + k] / 255.0; + break; + + default: + return fz_throw("syntaxerror: color not compatible with material"); + } + + return nil; +} + + +fz_error * pdf_buildstrokepath(pdf_gstate *gs, fz_pathnode *path) { fz_error *error; @@ -89,13 +168,31 @@ addcolorshape(pdf_gstate *gs, fz_node *shape, fz_colorspace *cs, float *v) fz_error * pdf_addfillshape(pdf_gstate *gs, fz_node *shape) { - return addcolorshape(gs, shape, gs->fillcs, gs->fill); + switch (gs->fill.kind) + { + case PDF_MNONE: + fz_insertnode(gs->head, shape); + return nil; + case PDF_MCOLOR: + return addcolorshape(gs, shape, gs->fill.cs, gs->fill.v); + default: + return fz_throw("unimplemented material"); + } } fz_error * pdf_addstrokeshape(pdf_gstate *gs, fz_node *shape) { - return addcolorshape(gs, shape, gs->strokecs, gs->stroke); + switch (gs->stroke.kind) + { + case PDF_MNONE: + fz_insertnode(gs->head, shape); + return nil; + case PDF_MCOLOR: + return addcolorshape(gs, shape, gs->stroke.cs, gs->stroke.v); + default: + return fz_throw("unimplemented material"); + } } fz_error * |