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#ifndef MUPDF_PDF_RESOURCE_H

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#define MUPDF_PDF_RESOURCE_H

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/*

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 * PDF interface to store

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 */

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void pdf_store_item(fz_context *ctx, pdf_obj *key, void *val, unsigned int itemsize);

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void *pdf_find_item(fz_context *ctx, fz_store_drop_fn *drop, pdf_obj *key);

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void pdf_remove_item(fz_context *ctx, fz_store_drop_fn *drop, pdf_obj *key);

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/*

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 * Functions, Colorspaces, Shadings and Images

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 */

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fz_function *pdf_load_function(fz_context *ctx, pdf_document *doc, pdf_obj *ref, int in, int out);

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fz_colorspace *pdf_load_colorspace(fz_context *ctx, pdf_document *doc, pdf_obj *obj);

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int pdf_is_tint_colorspace(fz_context *ctx, fz_colorspace *cs);

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fz_shade *pdf_load_shading(fz_context *ctx, pdf_document *doc, pdf_obj *obj);

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fz_image *pdf_load_inline_image(fz_context *ctx, pdf_document *doc, pdf_obj *rdb, pdf_obj *dict, fz_stream *file);

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int pdf_is_jpx_image(fz_context *ctx, pdf_obj *dict);

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fz_image *pdf_load_image(fz_context *ctx, pdf_document *doc, pdf_obj *obj);

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/*

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 * Pattern

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 */

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typedef struct pdf_pattern_s pdf_pattern;

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struct pdf_pattern_s

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{

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	fz_storable storable;

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	int ismask;

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	float xstep;

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	float ystep;

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	fz_matrix matrix;

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	fz_rect bbox;

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	pdf_document *document;

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	pdf_obj *resources;

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	pdf_obj *contents;

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};

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pdf_pattern *pdf_load_pattern(fz_context *ctx, pdf_document *doc, pdf_obj *obj);

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pdf_pattern *pdf_keep_pattern(fz_context *ctx, pdf_pattern *pat);

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void pdf_drop_pattern(fz_context *ctx, pdf_pattern *pat);

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/*

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 * XObject

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 */

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typedef struct pdf_xobject_s pdf_xobject;

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struct pdf_xobject_s

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{

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	fz_storable storable;

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	fz_matrix matrix;

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	fz_rect bbox;

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	int isolated;

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	int knockout;

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	int transparency;

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	fz_colorspace *colorspace;

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	pdf_document *document;

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	pdf_obj *resources;

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	pdf_obj *contents;

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	pdf_obj *me;

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	int iteration;

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};

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pdf_xobject *pdf_load_xobject(fz_context *ctx, pdf_document *doc, pdf_obj *obj);

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pdf_obj *pdf_new_xobject(fz_context *ctx, pdf_document *doc, const fz_rect *bbox, const fz_matrix *mat);

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pdf_xobject *pdf_keep_xobject(fz_context *ctx, pdf_xobject *xobj);

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void pdf_drop_xobject(fz_context *ctx, pdf_xobject *xobj);

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void pdf_update_xobject_contents(fz_context *ctx, pdf_document *doc, pdf_xobject *form, fz_buffer *buffer);

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void pdf_update_appearance(fz_context *ctx, pdf_document *doc, pdf_annot *annot);

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#endif

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