--- src/gdevijs.c.orig 2003-01-17 00:49:00 UTC +++ src/gdevijs.c @@ -29,15 +29,29 @@ * which is a security risk, since any program can be run. * You should use -dSAFER which sets .LockSafetyParams to true * before opening this device. + * + * 11/26/03 David Suffield + * (c) 2003-2004 Copyright Hewlett-Packard Development Company, LP + * + * 1. Removed hpijs 1.0-1.0.2 workarounds, use hpijs 1.0.3 or higher. + * 2. Added krgb support. + * + * 02/21/05 David Suffield + * 1. Fixed segfault issue with 1-bit color space. + * 2. Fixed z-order issue with colored text on black rectangle. + * */ #include "unistd_.h" /* for dup() */ #include +#include #include "gdevprn.h" #include "gp.h" #include "ijs.h" #include "ijs_client.h" +//#define KRGB_DEBUG + /* This should go into gdevprn.h, or, better yet, gdevprn should acquire an API for changing resolution. */ int gdev_prn_maybe_realloc_memory(gx_device_printer *pdev, @@ -53,6 +67,14 @@ private dev_proc_output_page(gsijs_outpu private dev_proc_get_params(gsijs_get_params); private dev_proc_put_params(gsijs_put_params); +/* Following definitions are for krgb support. */ +private dev_proc_create_buf_device(gsijs_create_buf_device); +private dev_proc_fill_rectangle(gsijs_fill_rectangle); +private dev_proc_copy_mono(gsijs_copy_mono); +private dev_proc_fill_mask(gsijs_fill_mask); +private dev_proc_fill_path(gsijs_fill_path); +private dev_proc_stroke_path(gsijs_stroke_path); + private const gx_device_procs gsijs_procs = prn_color_params_procs(gsijs_open, gsijs_output_page, gsijs_close, gx_default_rgb_map_rgb_color, gx_default_rgb_map_color_rgb, @@ -85,6 +107,14 @@ struct gx_device_ijs_s { IjsClientCtx *ctx; int ijs_version; + + /* Additional parameters for krgb support. */ + int krgb_mode; /* 0=false, 1=true */ + int k_path; /* k plane path, 0=false, 1=true */ + int k_width; /* k plane width in pixels */ + int k_band_size; /* k plane buffer size in bytes, byte aligned */ + unsigned char *k_band; /* k plane buffer */ + gx_device_procs prn_procs; /* banding playback procedures */ }; #define DEFAULT_DPI 74 /* See gsijs_set_resolution() below. */ @@ -112,7 +142,12 @@ gx_device_ijs gs_ijs_device = FALSE, /* Tumble_set */ NULL, /* IjsClient *ctx */ - 0 /* ijs_version */ + 0, /* ijs_version */ + 0, /* krgb_mode */ + 0, /* k_path */ + 0, /* k_width */ + 0, /* k_band_size */ + NULL /* k_band buffer */ }; @@ -128,12 +163,254 @@ private int gsijs_read_string(gs_param_l /**************************************************************************/ -/* ------ Private definitions ------ */ +/* ---------------- Low-level graphic procedures ---------------- */ -/* Versions 1.0 through 1.0.2 of hpijs report IJS version 0.29, and - require some workarounds. When more up-to-date hpijs versions - become ubiquitous, all these workarounds should be removed. */ -#define HPIJS_1_0_VERSION 29 +static unsigned char xmask[] = +{ + 0x80, /* x=0 */ + 0x40, /* 1 */ + 0x20, /* 2 */ + 0x10, /* 3 */ + 0x08, /* 4 */ + 0x04, /* 5 */ + 0x02, /* 6 */ + 0x01 /* 7 */ +}; + +private int gsijs_fill_rectangle(gx_device * dev, int x, int y, int w, int h, + gx_color_index color) +{ + gx_device_ijs *ijsdev = (gx_device_ijs *)((gx_device_forward *)dev)->target; + + if (ijsdev->krgb_mode && ijsdev->k_path && y >= 0 && x >= 0) + { + int raster = (ijsdev->k_width+7) >> 3; + register unsigned char *dest=ijsdev->k_band+(raster*y)+(x >> 3); + int dest_start_bit = x & 7; + int i,j,w1; + + if (h <= 0 || w <= 0) + return 0; + + if ((x+w) > ijsdev->k_width) + w1 = ijsdev->k_width - x; + else + w1 = w; + + /* Note x,y orgin 0,0 is stored first byte 0 left to right. */ + + if (color==0x0) + { + /* Color is black, store in k plane band instead of regular band. */ + for (j=0; j>3] |= xmask[(dest_start_bit+i)&7]; + dest+=raster; + } + return 0; + } + else + { + /* Color is not black, remove any k plane bits for z-order dependencies, store in regular band. */ + for (j=0; j>3] &= ~xmask[(dest_start_bit+i)&7]; + dest+=raster; + } + } + } + + return (*ijsdev->prn_procs.fill_rectangle)(dev, x, y, w, h, color); +} + +private int gsijs_copy_mono(gx_device * dev, const byte * data, + int dx, int draster, gx_bitmap_id id, + int x, int y, int w, int height, gx_color_index zero, gx_color_index one) +{ + gx_device_ijs *ijsdev = (gx_device_ijs *)((gx_device_forward *)dev)->target; + + // if (ijsdev->krgb_mode && ijsdev->k_path && one==0x0) + if (ijsdev->krgb_mode && ijsdev->k_path) + { + /* Store in k plane band instead of regular band. */ + int raster = (ijsdev->k_width+7) >> 3; /* raster width in bytes, byte aligned */ + register unsigned char *dest=ijsdev->k_band+(raster*y)+(x >> 3); + register const unsigned char *scan=data+(dx >> 3); + int dest_start_bit = x & 7; + int scan_start_bit = dx & 7; + int i, h=height; + + if (h <= 0 || w <= 0) + return 0; + + if (one==0x0) + { + /* Color is black, store in k plane band instead of regular band. */ + while (h-- > 0) + { + for (i=0; i>3] & xmask[(scan_start_bit+i)&7]) + dest[(dest_start_bit+i)>>3] |= xmask[(dest_start_bit+i)&7]; + } + scan+=draster; + dest+=raster; + } + return 0; + } + else + { + /* Color is not black, remove any k plane bits for z-order dependencies, store in regular band. */ + while (h-- > 0) + { + for (i=0; i>3] & xmask[(scan_start_bit+i)&7]) + dest[(dest_start_bit+i)>>3] &= ~xmask[(dest_start_bit+i)&7]; + } + scan+=draster; + dest+=raster; + } + } + } + + return (*ijsdev->prn_procs.copy_mono)(dev, data, dx, draster, id, x, y, w, height, zero, one); +} + +/* ---------------- High-level graphic procedures ---------------- */ + +private int gsijs_fill_mask(gx_device * dev, + const byte * data, int dx, int raster, gx_bitmap_id id, + int x, int y, int w, int h, + const gx_drawing_color * pdcolor, int depth, + gs_logical_operation_t lop, const gx_clip_path * pcpath) +{ + gx_device_ijs *ijsdev = (gx_device_ijs *)((gx_device_forward *)dev)->target; + int code; + + ijsdev->k_path = 1; + + code = (*ijsdev->prn_procs.fill_mask)(dev, data, dx, raster, id, x, y, w, h, pdcolor, depth, lop, pcpath); + + ijsdev->k_path = 0; + + return code; +} + +private int gsijs_fill_path(gx_device * dev, const gs_imager_state * pis, + gx_path * ppath, const gx_fill_params * params, + const gx_drawing_color * pdcolor, + const gx_clip_path * pcpath) +{ + gx_device_ijs *ijsdev = (gx_device_ijs *)((gx_device_forward *)dev)->target; + int code; + + ijsdev->k_path = 1; + + code = (*ijsdev->prn_procs.fill_path)(dev, pis, ppath, params, pdcolor, pcpath); + + ijsdev->k_path = 0; + + return 0; +} + +private int gsijs_stroke_path(gx_device * dev, const gs_imager_state * pis, + gx_path * ppath, const gx_stroke_params * params, + const gx_drawing_color * pdcolor, + const gx_clip_path * pcpath) +{ + gx_device_ijs *ijsdev = (gx_device_ijs *)((gx_device_forward *)dev)->target; + int code; + + ijsdev->k_path = 1; + + code = (*ijsdev->prn_procs.stroke_path)(dev, pis, ppath, params, pdcolor, pcpath); + + ijsdev->k_path = 0; + + return code; +} + +/* ---------------- krgb banding playback procedures ---------------- */ + +private int gsijs_get_bits(gx_device_printer * pdev, int y, byte * str, byte ** actual_data) +{ + gx_device_ijs *ijsdev = (gx_device_ijs *)pdev; + gx_device_clist_common *cdev = (gx_device_clist_common *)pdev; + int band_height = cdev->page_info.band_params.BandHeight; + int band_number = y/band_height; + int raster = (ijsdev->k_width+7) >> 3; /* raster width in bytes, byte aligned */ + int y1=raster*(y-(band_height*band_number)); + + if (y1 == 0) + { + /* First raster for band, clear k_band. Banding playback occurs on first raster. */ + memset(ijsdev->k_band, 0, ijsdev->k_band_size); + } + + return gdev_prn_get_bits(pdev, y, str, actual_data); /* get raster from regular band */ +} + +private int gsijs_k_get_bits(gx_device_printer * pdev, int y, byte ** actual_data) +{ + gx_device_ijs *ijsdev = (gx_device_ijs *)pdev; + gx_device_clist_common *cdev = (gx_device_clist_common *)pdev; + int band_height = cdev->page_info.band_params.BandHeight; + int band_number = y/band_height; + int raster = (ijsdev->k_width+7) >> 3; /* raster width in bytes, byte aligned */ + int y1=raster*(y-(band_height*band_number)); + + *actual_data = ijsdev->k_band+y1; + + return 0; +} + +private int gsijs_create_buf_device(gx_device **pbdev, gx_device *target, + const gx_render_plane_t *render_plane, gs_memory_t *mem, bool for_band) +{ + gx_device_ijs *ijsdev = (gx_device_ijs *)target; + int n_chan = ijsdev->color_info.num_components; + int code = gx_default_create_buf_device(pbdev, target, render_plane, mem, for_band); + if (code < 0 || n_chan != 3) + return code; + + /* Save buffer (vector) procedures so that we can hook them during banding playback. */ + ijsdev->prn_procs = (*pbdev)->procs; + + /* Replace buffer procedures with krgb procedures. */ + set_dev_proc(*pbdev, fill_rectangle, gsijs_fill_rectangle); + set_dev_proc(*pbdev, copy_mono, gsijs_copy_mono); + set_dev_proc(*pbdev, fill_mask, gsijs_fill_mask); + set_dev_proc(*pbdev, fill_path, gsijs_fill_path); + set_dev_proc(*pbdev, stroke_path, gsijs_stroke_path); + + return code; +} + +/* See if IJS server supports krgb. Return value: 0=false, 1=true. */ +private int +gsijs_set_krgb_mode(gx_device_ijs *ijsdev) +{ + char buf[256]; + int n_chan = ijsdev->color_info.num_components; + int code; + + if (n_chan != 3) + return 0; /* no krgb support, not RGB colorspace */ + + buf[0] = 0; + code = ijs_client_enum_param(ijsdev->ctx, 0, "ColorSpace", buf, sizeof(buf)-1); + if (code >= 0) + buf[code] = 0; + if (strstr(buf, "KRGB") == NULL) + return 0; /* no krgb support */ + + return 1; /* krgb is supported */ +} + +/* ------ Private definitions ------ */ private int gsijs_parse_wxh (const char *val, int size, double *pw, double *ph) @@ -171,34 +448,6 @@ gsijs_parse_wxh (const char *val, int si } /** - * gsijs_set_generic_params_hpijs: Set generic IJS parameters. - * - * This version is specialized for hpijs 1.0 through 1.0.2, and - * accommodates a number of quirks. - **/ -private int -gsijs_set_generic_params_hpijs(gx_device_ijs *ijsdev) -{ - char buf[256]; - int code = 0; - - /* IjsParams, Duplex, and Tumble get set at this point because - they may affect margins. */ - if (ijsdev->IjsParams) { - code = gsijs_client_set_param(ijsdev, "IjsParams", ijsdev->IjsParams); - } - - if (code == 0 && ijsdev->Duplex_set) { - int duplex_val; - - duplex_val = ijsdev->Duplex ? (ijsdev->IjsTumble ? 1 : 2) : 0; - sprintf (buf, "%d", duplex_val); - code = gsijs_client_set_param(ijsdev, "Duplex", buf); - } - return code; -} - -/** * gsijs_set_generic_params: Set generic IJS parameters. **/ private int @@ -209,9 +458,6 @@ gsijs_set_generic_params(gx_device_ijs * int i, j; char *value; - if (ijsdev->ijs_version == HPIJS_1_0_VERSION) - return gsijs_set_generic_params_hpijs(ijsdev); - /* Split IjsParams into separate parameters and send to ijs server */ value = NULL; for (i=0, j=0; (j < ijsdev->IjsParams_size) && (i < sizeof(buf)-1); j++) { @@ -252,68 +498,6 @@ gsijs_set_generic_params(gx_device_ijs * } /** - * gsijs_set_margin_params_hpijs: Do margin negotiation with IJS server. - * - * This version is specialized for hpijs 1.0 through 1.0.2, and - * accommodates a number of quirks. - **/ -private int -gsijs_set_margin_params_hpijs(gx_device_ijs *ijsdev) -{ - char buf[256]; - int code = 0; - - if (code == 0) { - sprintf(buf, "%d", ijsdev->width); - code = gsijs_client_set_param(ijsdev, "Width", buf); - } - if (code == 0) { - sprintf(buf, "%d", ijsdev->height); - code = gsijs_client_set_param(ijsdev, "Height", buf); - } - - if (code == 0) { - double printable_width, printable_height; - double printable_left, printable_top; - float m[4]; - - code = ijs_client_get_param(ijsdev->ctx, 0, "PrintableArea", - buf, sizeof(buf)); - if (code == IJS_EUNKPARAM) - /* IJS server doesn't support margin negotiations. - That's ok. */ - return 0; - else if (code >= 0) { - code = gsijs_parse_wxh(buf, code, - &printable_width, &printable_height); - } - - if (code == 0) { - code = ijs_client_get_param(ijsdev->ctx, 0, "PrintableTopLeft", - buf, sizeof(buf)); - if (code == IJS_EUNKPARAM) - return 0; - else if (code >= 0) { - code = gsijs_parse_wxh(buf, code, - &printable_left, &printable_top); - } - } - - if (code == 0) { - m[0] = printable_left; - m[1] = ijsdev->MediaSize[1] * (1.0 / 72) - - printable_top - printable_height; - m[2] = ijsdev->MediaSize[0] * (1.0 / 72) - - printable_left - printable_width; - m[3] = printable_top; - gx_device_set_margins((gx_device *)ijsdev, m, true); - } - } - - return code; -} - -/** * gsijs_set_margin_params: Do margin negotiation with IJS server. **/ private int @@ -324,9 +508,6 @@ gsijs_set_margin_params(gx_device_ijs *i int i, j; char *value; - if (ijsdev->ijs_version == HPIJS_1_0_VERSION) - return gsijs_set_margin_params_hpijs(ijsdev); - /* Split IjsParams into separate parameters and send to ijs server */ value = NULL; for (i=0, j=0; (j < ijsdev->IjsParams_size) && (i < sizeof(buf)-1); j++) { @@ -493,12 +674,18 @@ gsijs_open(gx_device *dev) char buf[256]; bool use_outputfd; int fd = -1; + long max_bitmap = ijsdev->space_params.MaxBitmap; if (strlen(ijsdev->IjsServer) == 0) { eprintf("ijs server not specified\n"); return gs_note_error(gs_error_ioerror); } + ijsdev->space_params.MaxBitmap = 0; /* force banding */ + + /* Set create_buf_device in printer device, so that we can hook the banding playback procedures. */ + ijsdev->printer_procs.buf_procs.create_buf_device = gsijs_create_buf_device; + /* Decide whether to use OutputFile or OutputFD. Note: how to determine this is a tricky question, so we just allow the user to set it. @@ -513,6 +700,8 @@ gsijs_open(gx_device *dev) if (code < 0) return code; + ijsdev->space_params.MaxBitmap = max_bitmap; + if (use_outputfd) { /* Note: dup() may not be portable to all interesting IJS platforms. In that case, this branch should be #ifdef'ed out. @@ -572,6 +761,9 @@ gsijs_open(gx_device *dev) if (code >= 0) code = gsijs_set_margin_params(ijsdev); + if (code >= 0) + ijsdev->krgb_mode = gsijs_set_krgb_mode(ijsdev); + return code; }; @@ -631,21 +823,6 @@ gsijs_raster_width(gx_device *pdev) return min(width, end); } -private int ijs_all_white(unsigned char *data, int size) -{ - int clean = 1; - int i; - for (i = 0; i < size; i++) - { - if (data[i] != 0xFF) - { - clean = 0; - break; - } - } - return clean; -} - /* Print a page. Don't use normal printer gdev_prn_output_page * because it opens the output file. */ @@ -656,8 +833,9 @@ gsijs_output_page(gx_device *dev, int nu gx_device_printer *pdev = (gx_device_printer *)dev; int raster = gdev_prn_raster(pdev); int ijs_width, ijs_height; - int row_bytes; + int row_bytes, k_row_bytes=0; int n_chan = pdev->color_info.num_components; + int krgb_mode = ijsdev->krgb_mode; unsigned char *data; char buf[256]; double xres = pdev->HWResolution[0]; @@ -673,13 +851,23 @@ gsijs_output_page(gx_device *dev, int nu /* Determine bitmap width and height */ ijs_height = gdev_prn_print_scan_lines(dev); - if (ijsdev->ijs_version == HPIJS_1_0_VERSION) { - ijs_width = pdev->width; - } else { ijs_width = gsijs_raster_width(dev); - } + row_bytes = (ijs_width * pdev->color_info.depth + 7) >> 3; + if (krgb_mode) + { + gx_device_clist_common *cdev = (gx_device_clist_common *)dev; + int band_height = cdev->page_info.band_params.BandHeight; + k_row_bytes = (ijs_width + 7) >> 3; + + /* Create banding buffer for k plane. */ + ijsdev->k_width = ijs_width; + ijsdev->k_band_size = band_height * k_row_bytes; + if ((ijsdev->k_band = gs_malloc(ijsdev->k_band_size, 1, "gsijs_output_page")) == (unsigned char *)NULL) + return gs_note_error(gs_error_VMerror); + } + /* Required page parameters */ sprintf(buf, "%d", n_chan); gsijs_client_set_param(ijsdev, "NumChan", buf); @@ -688,44 +876,71 @@ gsijs_output_page(gx_device *dev, int nu /* This needs to become more sophisticated for DeviceN. */ strcpy(buf, (n_chan == 4) ? "DeviceCMYK" : - ((n_chan == 3) ? "DeviceRGB" : "DeviceGray")); + ((n_chan == 3) ? (krgb_mode ? "KRGB" : "DeviceRGB") : "DeviceGray")); gsijs_client_set_param(ijsdev, "ColorSpace", buf); - /* If hpijs 1.0, don't set width and height here, because it - expects them to be the paper size. */ - if (ijsdev->ijs_version != HPIJS_1_0_VERSION) { - sprintf(buf, "%d", ijs_width); - gsijs_client_set_param(ijsdev, "Width", buf); - sprintf(buf, "%d", ijs_height); - gsijs_client_set_param(ijsdev, "Height", buf); - } + sprintf(buf, "%d", ijs_width); + gsijs_client_set_param(ijsdev, "Width", buf); + sprintf(buf, "%d", ijs_height); + gsijs_client_set_param(ijsdev, "Height", buf); sprintf(buf, "%gx%g", xres, yres); gsijs_client_set_param(ijsdev, "Dpi", buf); +#ifdef KRGB_DEBUG + int kfd, rgbfd; + char sz[128]; + kfd = open("/tmp/k.pbm", O_CREAT | O_TRUNC | O_RDWR, 0644); + rgbfd = open("/tmp/rgb.ppm", O_CREAT | O_TRUNC | O_RDWR, 0644); + snprintf(sz, sizeof(sz), "P4\n#gdevijs test\n%d\n%d\n", ijs_width, ijs_height); + write(kfd, sz, strlen(sz)); + snprintf(sz, sizeof(sz), "P6\n#gdevijs test\n%d\n%d\n255\n", ijs_width, ijs_height); + write(rgbfd, sz, strlen(sz)); +#endif + for (i=0; ictx, IJS_CMD_BEGIN_PAGE); status = ijs_client_send_cmd_wait(ijsdev->ctx); for (y = 0; y < ijs_height; y++) { - code = gdev_prn_get_bits(pdev, y, data, &actual_data); - if (code < 0) - break; + if (krgb_mode) + code = gsijs_get_bits(pdev, y, data, &actual_data); + else + code = gdev_prn_get_bits(pdev, y, data, &actual_data); + if (code < 0) + break; +#ifdef KRGB_DEBUG + write(rgbfd, actual_data, row_bytes); +#endif + status = ijs_client_send_data_wait(ijsdev->ctx, 0, (char *)actual_data, row_bytes); + if (status) + break; - if (ijsdev->ijs_version == HPIJS_1_0_VERSION && - ijs_all_white(actual_data, row_bytes)) - status = ijs_client_send_data_wait(ijsdev->ctx, 0, NULL, 0); - else - status = ijs_client_send_data_wait(ijsdev->ctx, 0, - (char *)actual_data, row_bytes); - if (status) - break; + if (krgb_mode) { + code = gsijs_k_get_bits(pdev, y, &actual_data); + if (code < 0) + break; +#ifdef KRGB_DEBUG + write(kfd, actual_data, k_row_bytes); +#endif + status = ijs_client_send_data_wait(ijsdev->ctx, 0, (char *)actual_data, k_row_bytes); + if (status) + break; + } } ijs_client_begin_cmd(ijsdev->ctx, IJS_CMD_END_PAGE); status = ijs_client_send_cmd_wait(ijsdev->ctx); } +#ifdef KRGB_DEBUG + close(kfd); + close(rgbfd); +#endif + + if(krgb_mode) + gs_free(ijsdev->k_band, ijsdev->k_band_size, 1, "gsijs_output_page"); + gs_free_object(pdev->memory, data, "gsijs_output_page"); endcode = (pdev->buffer_space && !pdev->is_async_renderer ? @@ -1029,7 +1244,6 @@ gsijs_client_set_param(gx_device_ijs *ij dprintf2("ijs: Can't set parameter %s=%s\n", key, value); return code; } - private int gsijs_set_color_format(gx_device_ijs *ijsdev)