gdevijs-krgb-1.0.patch

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- * 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 +434,6 @@
     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 +474,6 @@
 }
 
 /**
- * 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 +484,6 @@
     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 +650,18 @@
     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 +676,8 @@
     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 +737,9 @@
     if (code >= 0)
 	code = gsijs_set_margin_params(ijsdev);
 
+    if (code >= 0)
+        ijsdev->krgb_mode = gsijs_set_krgb_mode(ijsdev);
+
     return code;
 };
 
@@ -631,21 +799,6 @@
     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 +809,9 @@
     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 +827,23 @@
 
     /* 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 +852,71 @@
 
     /* 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; i<num_copies; i++) {
  	unsigned char *actual_data;
 	ijs_client_begin_cmd (ijsdev->ctx, 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 +1220,6 @@
 	dprintf2("ijs: Can't set parameter %s=%s\n", key, value);
     return code;
 }
- 
 
 private int
 gsijs_set_color_format(gx_device_ijs *ijsdev)