17dd7cddfSDavid du Colombier /* Copyright (C) 1999 Aladdin Enterprises. All rights reserved. 27dd7cddfSDavid du Colombier 3*593dc095SDavid du Colombier This software is provided AS-IS with no warranty, either express or 4*593dc095SDavid du Colombier implied. 57dd7cddfSDavid du Colombier 6*593dc095SDavid du Colombier This software is distributed under license and may not be copied, 7*593dc095SDavid du Colombier modified or distributed except as expressly authorized under the terms 8*593dc095SDavid du Colombier of the license contained in the file LICENSE in this distribution. 97dd7cddfSDavid du Colombier 10*593dc095SDavid du Colombier For more information about licensing, please refer to 11*593dc095SDavid du Colombier http://www.ghostscript.com/licensing/. For information on 12*593dc095SDavid du Colombier commercial licensing, go to http://www.artifex.com/licensing/ or 13*593dc095SDavid du Colombier contact Artifex Software, Inc., 101 Lucas Valley Road #110, 14*593dc095SDavid du Colombier San Rafael, CA 94903, U.S.A., +1(415)492-9861. 157dd7cddfSDavid du Colombier */ 167dd7cddfSDavid du Colombier 17*593dc095SDavid du Colombier /* $Id: gdevmrun.h,v 1.5 2002/06/16 07:25:26 lpd Exp $ */ 187dd7cddfSDavid du Colombier /* Definition of run-length encoded memory device */ 197dd7cddfSDavid du Colombier 207dd7cddfSDavid du Colombier #ifndef gdevmrun_INCLUDED 217dd7cddfSDavid du Colombier # define gdevmrun_INCLUDED 227dd7cddfSDavid du Colombier 237dd7cddfSDavid du Colombier /* 247dd7cddfSDavid du Colombier * This memory device stores full-size pixels with run-length 257dd7cddfSDavid du Colombier * encoding if possible, switching to the standard uncompressed 267dd7cddfSDavid du Colombier * representation if necessary. 277dd7cddfSDavid du Colombier */ 287dd7cddfSDavid du Colombier 297dd7cddfSDavid du Colombier #include "gxdevmem.h" 307dd7cddfSDavid du Colombier 317dd7cddfSDavid du Colombier /* 327dd7cddfSDavid du Colombier * Define the device, built on a memory device. 337dd7cddfSDavid du Colombier */ 347dd7cddfSDavid du Colombier typedef struct gx_device_run_s { 357dd7cddfSDavid du Colombier gx_device_memory md; /* must be first */ 367dd7cddfSDavid du Colombier uint runs_per_line; 377dd7cddfSDavid du Colombier int umin, umax1; /* some range of uninitialized lines */ 387dd7cddfSDavid du Colombier int smin, smax1; /* some range in standard (not run) form */ 397dd7cddfSDavid du Colombier /* 407dd7cddfSDavid du Colombier * Save memory device procedures that we replace with run-oriented 417dd7cddfSDavid du Colombier * ones, for use with the uncompressed representation. 427dd7cddfSDavid du Colombier */ 437dd7cddfSDavid du Colombier struct sp_ { 447dd7cddfSDavid du Colombier dev_proc_copy_mono((*copy_mono)); 457dd7cddfSDavid du Colombier dev_proc_copy_color((*copy_color)); 467dd7cddfSDavid du Colombier dev_proc_fill_rectangle((*fill_rectangle)); 477dd7cddfSDavid du Colombier dev_proc_copy_alpha((*copy_alpha)); 487dd7cddfSDavid du Colombier dev_proc_strip_tile_rectangle((*strip_tile_rectangle)); 497dd7cddfSDavid du Colombier dev_proc_strip_copy_rop((*strip_copy_rop)); 507dd7cddfSDavid du Colombier dev_proc_get_bits_rectangle((*get_bits_rectangle)); 517dd7cddfSDavid du Colombier } save_procs; 527dd7cddfSDavid du Colombier } gx_device_run; 537dd7cddfSDavid du Colombier 547dd7cddfSDavid du Colombier /* 557dd7cddfSDavid du Colombier * Convert a memory device to run-length form. The mdev argument should be 567dd7cddfSDavid du Colombier * const, but it isn't because we need to call gx_device_white. 577dd7cddfSDavid du Colombier */ 58*593dc095SDavid du Colombier int gdev_run_from_mem(gx_device_run *rdev, gx_device_memory *mdev); 597dd7cddfSDavid du Colombier 607dd7cddfSDavid du Colombier #endif /* gdevmrun_INCLUDED */ 61