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78 lines
2.4 KiB
78 lines
2.4 KiB
/* Flattning functions for xcftools
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*
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* Copyright (C) 2006 Henning Makholm
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef FLATTEN_H
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#define FLATTEN_H
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#include "xcftools.h"
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#include "pixels.h"
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#define PERHAPS_ALPHA_CHANNEL (NEWALPHA(0,1))
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#define FORCE_ALPHA_CHANNEL (NEWALPHA(0,2))
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#define CHECKERED_BACKGROUND (NEWALPHA(0,200))
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struct FlattenSpec {
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struct tileDimensions dim ;
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rgba default_pixel ;
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int numLayers ;
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struct xcfLayer *layers ;
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const char * transmap_filename ;
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const char * output_filename ;
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enum out_color_mode {
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COLOR_BY_FILENAME,
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COLOR_BY_CONTENTS,
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COLOR_INDEXED,
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COLOR_RGB,
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COLOR_GRAY,
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COLOR_MONO
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} out_color_mode ;
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enum { ALLOW_PARTIAL_TRANSPARENCY,
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DISSOLVE_PARTIAL_TRANSPARENCY,
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FORBID_PARTIAL_TRANSPARENCY,
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PARTIAL_TRANSPARENCY_IMPOSSIBLE
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} partial_transparency_mode ;
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enum { USE_CANVAS = 0,
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MANUAL_OFFSET = 1,
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MANUAL_CROP = 2,
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AUTOCROP = 4 } window_mode ;
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int process_in_memory ;
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int gimpish_indexed ;
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};
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/* From flatspec.c */
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void init_flatspec(struct FlattenSpec *);
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void add_layer_request(struct FlattenSpec *,const char *name);
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struct xcfLayer *lastlayerspec(struct FlattenSpec *,const char *option);
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typedef enum out_color_mode (*guesser) (struct FlattenSpec *,rgba **);
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/* Call this after processing options, and after opening the XCF file */
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void complete_flatspec(struct FlattenSpec *,guesser);
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void analyse_colormode(struct FlattenSpec *,rgba **allPixels,guesser);
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/* From flatten.c */
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typedef void (*lineCallback)(unsigned num,rgba *pixels);
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void flattenIncrementally(struct FlattenSpec *,lineCallback);
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rgba **flattenAll(struct FlattenSpec*);
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void shipoutWithCallback(struct FlattenSpec *,rgba **pixels,lineCallback);
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#endif /* FLATTEN_H */
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