diff options
Diffstat (limited to 'base/gxclist.h')
| -rw-r--r-- | base/gxclist.h | 58 |
1 files changed, 55 insertions, 3 deletions
diff --git a/base/gxclist.h b/base/gxclist.h index e1e7ff1b..cdb0136f 100644 --- a/base/gxclist.h +++ b/base/gxclist.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2001-2019 Artifex Software, Inc. +/* Copyright (C) 2001-2020 Artifex Software, Inc. All Rights Reserved. This software is provided AS-IS with no warranty, either express or @@ -182,7 +182,7 @@ typedef struct gx_clist_state_s gx_clist_state; uint data_size; /* size of buffer */\ gx_band_params_t band_params; /* band buffering parameters */\ bool do_not_open_or_close_bandfiles; /* if true, do not open/close bandfiles */\ - int is_printer; /* if true, then clist is based on a prn device */\ + dev_proc_dev_spec_op((*orig_spec_op)); /* Original dev spec op handler */\ /* Following are used for both writing and reading. */\ gx_bits_cache_chunk *cache_chunk; /* the only chunk of bits */\ gx_bits_cache bits;\ @@ -329,6 +329,7 @@ struct gx_device_clist_writer_s { /* above set when not at page level with no SMask or when */ /* the page level BM, shape or opacity alpha needs tranaparency */ int pdf14_trans_group_level;/* 0 when at page level group -- push increments, pop decrements */ + /* -1 when PUSH_DEVICE not yet performed to prevent spurious ops */ int pdf14_smask_level; /* 0 when at SMask None -- push increments, pop decrements */ bool page_pdf14_needed; /* save page level pdf14_needed state */ @@ -477,7 +478,7 @@ void clist_update_trans_bbox(gx_device_clist_writer *dev, gs_int_rect *bbox); /* Make a clist device for accumulating. Used for pattern-clist as well as */ /* for pdf14 pages that are too large to be done in page mode. */ gx_device_clist * -clist_make_accum_device(gx_device *target, const char *dname, void *base, int space, +clist_make_accum_device(gs_memory_t *mem, gx_device *target, const char *dname, void *base, int space, gx_device_buf_procs_t *buf_procs, gx_band_params_t *band_params, bool use_memory_clist, bool uses_transparency, gs_pattern1_instance_t *pinst); @@ -547,6 +548,11 @@ clist_enable_multi_thread_render(gx_device *dev); void clist_teardown_render_threads(gx_device *dev); +/* Minimum BufferSpace needed when writing the clist */ +/* This is an exported function because it is used to set up render threads */ +/* and in clist_init_states to make sure the buffer is large enough */ +size_t clist_minimum_buffer(int nbands); + #ifdef DEBUG #define clist_debug_rect clist_debug_rect_imp void clist_debug_rect_imp(int x, int y, int width, int height); @@ -609,4 +615,50 @@ void clist_debug_set_ctm_imp(const gs_matrix *m); crop_copy_y(dev, data, data_x, raster, id, y, h);\ END +/* Devices that are expected to be able to 'mutate' into being clist + * devices have to be constructed in a particular way. They have to + * have to have the "header" be padded out to a given size (so the clist + * fields can all fit in at the top), and then the device specific + * fields can follow this. + * These fields should follow gx_device_common. */ +#define gx_device_clist_mutatable_common\ + byte skip[max(sizeof(gx_device_memory), sizeof(gx_device_clist)) -\ + sizeof(gx_device) + sizeof(double) /* padding */];\ + long buffer_space; /* amount of space for clist buffer, */\ + /* 0 means not using clist */\ + byte *buf; /* buffer for rendering */\ + gs_memory_t *buffer_memory; /* allocator for command list */\ + gs_memory_t *bandlist_memory; /* allocator for bandlist files */\ + uint clist_disable_mask; /* mask of clist options to disable */\ + gx_device_procs orig_procs /* original (std_)procs */ + + +#define GX_CLIST_MUTATABLE_DEVICE_DEFAULTS \ + { 0 }, /* skip */\ + 0, /* buffer_space */\ + NULL, /* buf */\ + 0, /* buffer_memory */\ + 0, /* bandlist_memory */\ + 0, /* clist_disable_mask */\ + { NULL } /* orig_procs */ + +typedef struct { + gx_device_common; + gx_device_clist_mutatable_common; +} gx_device_clist_mutatable; + +extern_st(st_device_clist_mutatable); +#define public_st_device_clist_mutatable() /* in gxclist.c */\ + gs_public_st_complex_only(st_device_clist_mutatable,\ + gx_device_clist_mutatable, "gx_device_clist_mutatable", 0, \ + device_clist_mutatable_enum_ptrs, device_clist_mutatable_reloc_ptrs,\ + gx_device_finalize) +#define st_device_clist_mutatable_max_ptrs\ + (st_device_clist_mutable_max_ptrs) + +/* A useful check to determine if a device that can be mutated to be a + * clist has undergone such a mutation. */ +#define CLIST_MUTATABLE_HAS_MUTATED(pdev) \ + (((gx_device_clist_mutatable *)(pdev))->buffer_space != 0) + #endif /* gxclist_INCLUDED */ |