diff options
Diffstat (limited to 'base/gxcmap.c')
| -rw-r--r-- | base/gxcmap.c | 62 |
1 files changed, 45 insertions, 17 deletions
diff --git a/base/gxcmap.c b/base/gxcmap.c index cba4908e9..d8344773a 100644 --- a/base/gxcmap.c +++ b/base/gxcmap.c @@ -15,6 +15,7 @@ /* Color mapping for Ghostscript */ +#include "assert_.h" #include "gx.h" #include "gserrors.h" #include "gsccolor.h" @@ -27,6 +28,7 @@ #include "gxcmap.h" #include "gxlum.h" #include "gzstate.h" +#include "gzht.h" #include "gxdither.h" #include "gxcdevn.h" #include "string_.h" @@ -888,6 +890,32 @@ gx_remap_DeviceCMYK(const gs_client_color * pc, const gs_color_space * pcs, return 0; } +/* ------ Utility for selecting the dev_ht from the pgs using the dev->graphics_type_tag ----- */ + +static gs_HT_objtype_t +tag_to_HT_objtype[8] = { HT_OBJTYPE_DEFAULT, + HT_OBJTYPE_TEXT, /* GS_TEXT_TAG = 0x1 */ + HT_OBJTYPE_IMAGE, /* GS_IMAGE_TAG = 0x2 */ + HT_OBJTYPE_DEFAULT, + HT_OBJTYPE_VECTOR, /* GS_VECTOR_TAG = 0x4 */ + HT_OBJTYPE_DEFAULT, HT_OBJTYPE_DEFAULT, HT_OBJTYPE_DEFAULT + }; + +/* Return the selected dev_ht[] or the pgs->dev_ht[HT_OBJTYPE_DEFAULT] */ +gx_device_halftone * +gx_select_dev_ht(const gs_gstate *pgs) +{ + gs_HT_objtype_t objtype; + + /* This function only works with 3 bits currently. Flag here in case we add object types */ + assert(HT_OBJTYPE_COUNT == 4); + + objtype = tag_to_HT_objtype[pgs->device->graphics_type_tag & 7]; + if (pgs->dev_ht[objtype] == NULL) + objtype = HT_OBJTYPE_DEFAULT; + return pgs->dev_ht[objtype]; +} + /* ------ Render Gray color. ------ */ static void @@ -924,7 +952,7 @@ cmap_gray_halftoned(frac gray, gx_device_color * pdc, (frac)(frac_1 - cm_comps[i]), effective_transfer[i]); } } - if (gx_render_device_DeviceN(cm_comps, pdc, dev, pgs->dev_ht, + if (gx_render_device_DeviceN(cm_comps, pdc, dev, gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(pdc, pgs, dev, select); } @@ -981,7 +1009,7 @@ cmap_gray_direct(frac gray, gx_device_color * pdc, const gs_gstate * pgs, color_set_pure(pdc, color); return; } - if (gx_render_device_DeviceN(cm_comps, pdc, dev, pgs->dev_ht, + if (gx_render_device_DeviceN(cm_comps, pdc, dev, gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(pdc, pgs, dev, select); } @@ -1012,7 +1040,7 @@ cmap_rgb_halftoned(frac r, frac g, frac b, gx_device_color * pdc, (frac)(frac_1 - cm_comps[i]), effective_transfer[i]); } - if (gx_render_device_DeviceN(cm_comps, pdc, dev, pgs->dev_ht, + if (gx_render_device_DeviceN(cm_comps, pdc, dev, gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(pdc, pgs, dev, select); } @@ -1056,7 +1084,7 @@ cmap_rgb_direct(frac r, frac g, frac b, gx_device_color * pdc, color_set_pure(pdc, color); return; } - if (gx_render_device_DeviceN(cm_comps, pdc, dev, pgs->dev_ht, + if (gx_render_device_DeviceN(cm_comps, pdc, dev, gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(pdc, pgs, dev, select); } @@ -1115,7 +1143,7 @@ cmap_cmyk_direct(frac c, frac m, frac y, frac k, gx_device_color * pdc, /* duplicating most of the code of this procedure. */ if (gx_device_must_halftone(dev)) { if (gx_render_device_DeviceN(cm_comps, pdc, dev, - pgs->dev_ht, &pgs->screen_phase[select]) == 1) + gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(pdc, pgs, dev, select); return; } @@ -1133,7 +1161,7 @@ cmap_cmyk_direct(frac c, frac m, frac y, frac k, gx_device_color * pdc, color_set_pure(pdc, color); else { if (gx_render_device_DeviceN(cm_comps, pdc, dev, - pgs->dev_ht, &pgs->screen_phase[select]) == 1) + gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(pdc, pgs, dev, select); } } @@ -1177,7 +1205,7 @@ cmap_rgb_alpha_halftoned(frac r, frac g, frac b, frac alpha, (frac)(frac_1 - cm_comps[i]), effective_transfer[i]); } - if (gx_render_device_DeviceN(cm_comps, pdc, dev, pgs->dev_ht, + if (gx_render_device_DeviceN(cm_comps, pdc, dev, gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(pdc, pgs, dev, select); } @@ -1233,7 +1261,7 @@ cmap_rgb_alpha_direct(frac r, frac g, frac b, frac alpha, gx_device_color * pdc, color_set_pure(pdc, color); return; } - if (gx_render_device_DeviceN(cm_comps, pdc, dev, pgs->dev_ht, + if (gx_render_device_DeviceN(cm_comps, pdc, dev, gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(pdc, pgs, dev, select); } @@ -1447,7 +1475,7 @@ cmap_separation_halftoned(frac all, gx_device_color * pdc, (frac)(frac_1 - cm_comps[i]), effective_transfer[i]); } - if (gx_render_device_DeviceN(cm_comps, pdc, dev, pgs->dev_ht, + if (gx_render_device_DeviceN(cm_comps, pdc, dev, gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(pdc, pgs, dev, select); } @@ -1572,7 +1600,7 @@ cmap_separation_direct(frac all, gx_device_color * pdc, const gs_gstate * pgs, return; } - if (gx_render_device_DeviceN(cm_comps, pdc, dev, pgs->dev_ht, + if (gx_render_device_DeviceN(cm_comps, pdc, dev, gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(pdc, pgs, dev, select); } @@ -1618,7 +1646,7 @@ cmap_devicen_halftoned(const frac * pcc, } /* We need to finish halftoning */ - if (gx_render_device_DeviceN(cm_comps, pdc, dev, pgs->dev_ht, + if (gx_render_device_DeviceN(cm_comps, pdc, dev, gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(pdc, pgs, dev, select); } @@ -1713,7 +1741,7 @@ cmap_devicen_direct(const frac * pcc, color_set_pure(pdc, color); return; } - if (gx_render_device_DeviceN(cm_comps, pdc, dev, pgs->dev_ht, + if (gx_render_device_DeviceN(cm_comps, pdc, dev, gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(pdc, pgs, dev, select); } @@ -2093,7 +2121,7 @@ cmapper_transfer_halftone_add(gx_cmapper_t *data) } /* Halftoning */ if (gx_render_device_DeviceN(&(cv_frac[0]), &data->devc, dev, - pgs->dev_ht, &pgs->screen_phase[select]) == 1) + gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(&data->devc, pgs, dev, select); } @@ -2122,7 +2150,7 @@ cmapper_transfer_halftone_op(gx_cmapper_t *data) } /* Halftoning */ if (gx_render_device_DeviceN(&(cv_frac[0]), &data->devc, dev, - pgs->dev_ht, &pgs->screen_phase[select]) == 1) + gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(&data->devc, pgs, dev, select); } @@ -2146,7 +2174,7 @@ cmapper_transfer_halftone_sub(gx_cmapper_t *data) } /* Halftoning */ if (gx_render_device_DeviceN(&(cv_frac[0]), &data->devc, dev, - pgs->dev_ht, &pgs->screen_phase[select]) == 1) + gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(&data->devc, pgs, dev, select); } @@ -2242,7 +2270,7 @@ cmapper_halftone(gx_cmapper_t *data) cv_frac[i] = cv2frac(pconc[i]); } if (gx_render_device_DeviceN(&(cv_frac[0]), &data->devc, dev, - pgs->dev_ht, &pgs->screen_phase[select]) == 1) + gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(&data->devc, pgs, dev, select); } @@ -2371,7 +2399,7 @@ cmap_transfer_halftone(gx_color_value *pconc, gx_device_color * pdc, /* Halftoning */ if (has_halftone) { if (gx_render_device_DeviceN(&(cv_frac[0]), pdc, dev, - pgs->dev_ht, &pgs->screen_phase[select]) == 1) + gx_select_dev_ht(pgs), &pgs->screen_phase[select]) == 1) gx_color_load_select(pdc, pgs, dev, select); } else { /* We have a frac value from the transfer function. Do the encode. |