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/* Copyright (C) 1995, 2000 Aladdin Enterprises. All rights reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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For more information about licensing, please refer to
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http://www.ghostscript.com/licensing/. For information on
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commercial licensing, go to http://www.artifex.com/licensing/ or
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contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* $Id: gdevrops.c,v 1.12 2004/06/24 05:03:36 dan Exp $ */
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/* RasterOp source device */
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#include "gx.h"
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#include "gserrors.h"
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#include "gxdcolor.h"
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#include "gxdevice.h"
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#include "gdevmrop.h"
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/* GC procedures */
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private_st_device_rop_texture();
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private ENUM_PTRS_BEGIN(device_rop_texture_enum_ptrs) {
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if (index < st_device_color_max_ptrs) {
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gs_ptr_type_t ptype =
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ENUM_SUPER_ELT(gx_device_rop_texture, st_device_color, texture, 0);
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if (ptype)
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return ptype;
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return ENUM_OBJ(NULL); /* don't stop early */
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}
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ENUM_PREFIX(st_device_forward, st_device_color_max_ptrs);
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} ENUM_PTRS_END
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private RELOC_PTRS_BEGIN(device_rop_texture_reloc_ptrs) {
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RELOC_PREFIX(st_device_forward);
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RELOC_SUPER(gx_device_rop_texture, st_device_color, texture);
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} RELOC_PTRS_END
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/* Device for providing source data for RasterOp. */
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private dev_proc_fill_rectangle(rop_texture_fill_rectangle);
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private dev_proc_copy_mono(rop_texture_copy_mono);
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private dev_proc_copy_color(rop_texture_copy_color);
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/* The device descriptor. */
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private const gx_device_rop_texture gs_rop_texture_device = {
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std_device_std_body(gx_device_rop_texture, 0, "rop source",
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0, 0, 1, 1),
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{NULL, /* open_device */
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gx_forward_get_initial_matrix,
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NULL, /* default_sync_output */
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NULL, /* output_page */
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NULL, /* close_device */
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gx_forward_map_rgb_color,
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gx_forward_map_color_rgb,
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rop_texture_fill_rectangle,
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NULL, /* tile_rectangle */
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rop_texture_copy_mono,
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rop_texture_copy_color,
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NULL, /* draw_line */
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NULL, /* get_bits */
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gx_forward_get_params,
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gx_forward_put_params,
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gx_forward_map_cmyk_color,
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gx_forward_get_xfont_procs,
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gx_forward_get_xfont_device,
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gx_forward_map_rgb_alpha_color,
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gx_forward_get_page_device,
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NULL, /* get_alpha_bits (no alpha) */
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gx_no_copy_alpha, /* shouldn't be called */
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gx_forward_get_band,
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gx_no_copy_rop, /* shouldn't be called */
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NULL, /* fill_path */
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NULL, /* stroke_path */
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NULL, /* fill_mask */
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NULL, /* fill_trapezoid */
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NULL, /* fill_parallelogram */
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NULL, /* fill_triangle */
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NULL, /* draw_thin_line */
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NULL, /* begin_image */
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NULL, /* image_data */
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NULL, /* end_image */
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NULL, /* strip_tile_rectangle */
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NULL, /* strip_copy_rop */
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gx_forward_get_clipping_box,
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NULL, /* begin_typed_image */
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NULL, /* get_bits_rectangle */
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gx_forward_map_color_rgb_alpha,
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NULL, /* create_compositor */
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gx_forward_get_hardware_params,
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NULL, /* text_begin */
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NULL, /* finish_copydevice */
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NULL, /* begin_transparency_group */
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NULL, /* end_transparency_group */
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NULL, /* begin_transparency_mask */
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NULL, /* end_transparency_mask */
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NULL, /* discard_transparency_layer */
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gx_forward_get_color_mapping_procs,
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gx_forward_get_color_comp_index,
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gx_forward_encode_color,
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gx_forward_decode_color,
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gx_forward_pattern_manage,
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gx_forward_fill_rectangle_hl_color,
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gx_forward_include_color_space,
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gx_forward_fill_linear_color_scanline,
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gx_forward_fill_linear_color_trapezoid,
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gx_forward_fill_linear_color_triangle,
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gx_forward_update_spot_equivalent_colors
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},
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0, /* target */
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lop_default /* log_op */
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/* */ /* texture */
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};
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/* Create a RasterOp source device. */
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int
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gx_alloc_rop_texture_device(gx_device_rop_texture ** prsdev, gs_memory_t * mem,
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client_name_t cname)
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{
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*prsdev = gs_alloc_struct(mem, gx_device_rop_texture,
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&st_device_rop_texture, cname);
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return (*prsdev == 0 ? gs_note_error(gs_error_VMerror) : 0);
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}
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/* Initialize a RasterOp source device. */
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void
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gx_make_rop_texture_device(gx_device_rop_texture * dev, gx_device * target,
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gs_logical_operation_t log_op, const gx_device_color * texture)
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{
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gx_device_init((gx_device *) dev,
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(const gx_device *)&gs_rop_texture_device,
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NULL, true);
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gx_device_set_target((gx_device_forward *)dev, target);
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/* Drawing operations are defaulted, non-drawing are forwarded. */
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check_device_separable((gx_device *) dev);
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gx_device_fill_in_procs((gx_device *) dev);
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gx_device_copy_params((gx_device *)dev, target);
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dev->log_op = log_op;
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dev->texture = *texture;
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}
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/* Fill a rectangle */
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private int
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rop_texture_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
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gx_color_index color)
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{
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gx_device_rop_texture *const rtdev = (gx_device_rop_texture *)dev;
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gx_rop_source_t source;
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source.sdata = NULL;
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source.sourcex = 0;
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source.sraster = 0;
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source.id = gx_no_bitmap_id;
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source.scolors[0] = source.scolors[1] = color;
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source.use_scolors = true;
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return gx_device_color_fill_rectangle(&rtdev->texture,
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x, y, w, h, rtdev->target,
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rtdev->log_op, &source);
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}
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/* Copy a monochrome rectangle */
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private int
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rop_texture_copy_mono(gx_device * dev,
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const byte * data, int sourcex, int raster, gx_bitmap_id id,
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int x, int y, int w, int h,
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gx_color_index color0, gx_color_index color1)
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{
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gx_device_rop_texture *const rtdev = (gx_device_rop_texture *)dev;
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gx_rop_source_t source;
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gs_logical_operation_t lop = rtdev->log_op;
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source.sdata = data;
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source.sourcex = sourcex;
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source.sraster = raster;
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source.id = id;
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source.scolors[0] = color0;
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source.scolors[1] = color1;
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source.use_scolors = true;
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/* Adjust the logical operation per transparent colors. */
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if (color0 == gx_no_color_index)
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lop = rop3_use_D_when_S_0(lop);
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else if (color1 == gx_no_color_index)
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lop = rop3_use_D_when_S_1(lop);
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return gx_device_color_fill_rectangle(&rtdev->texture,
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x, y, w, h, rtdev->target,
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lop, &source);
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}
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/* Copy a color rectangle */
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private int
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rop_texture_copy_color(gx_device * dev,
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const byte * data, int sourcex, int raster, gx_bitmap_id id,
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int x, int y, int w, int h)
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{
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gx_device_rop_texture *const rtdev = (gx_device_rop_texture *)dev;
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gx_rop_source_t source;
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source.sdata = data;
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source.sourcex = sourcex;
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source.sraster = raster;
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source.id = id;
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source.scolors[0] = source.scolors[1] = gx_no_color_index;
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source.use_scolors = false;
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return gx_device_color_fill_rectangle(&rtdev->texture,
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x, y, w, h, rtdev->target,
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rtdev->log_op, &source);
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}
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