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/* imposter (OO.org Impress viewer)
** Copyright (C) 2003-2005 Gurer Ozen
** This code is free software; you can redistribute it and/or
** modify it under the terms of GNU General Public License.
*/
#ifndef IMPOSTER_H
#define IMPOSTER_H
#include <sys/types.h>
enum {
IMP_OK = 0,
IMP_NOMEM,
IMP_NOTZIP,
IMP_BADZIP,
IMP_BADDOC,
IMP_NOTIMP
};
struct ImpDoc_struct;
typedef struct ImpDoc_struct ImpDoc;
struct ImpPage_struct;
typedef struct ImpPage_struct ImpPage;
typedef struct ImpPointStruct {
int x;
int y;
} ImpPoint;
typedef struct ImpColorStruct {
int red;
int green;
int blue;
} ImpColor;
#define IMP_NORMAL 0
#define IMP_BOLD 1
#define IMP_ITALIC 2
#define IMP_UNDERLINE 4
typedef struct ImpDrawer_struct {
void (*get_size)(void *drw_data, int *w, int *h);
void (*set_fg_color)(void *drw_data, ImpColor *color);
void (*draw_line)(void *drw_data, int x1, int y1, int x2, int y2);
void (*draw_rect)(void *drw_data, int fill, int x, int y, int w, int h);
void (*draw_polygon)(void *drw_data, int fill, ImpPoint *pts, int nr_pts);
void (*draw_arc)(void *drw_data, int fill, int x, int y, int w, int h, int sa, int ea);
void (*draw_bezier)(void *drw_data, int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
void *(*open_image)(void *drw_data, const unsigned char *pix, size_t size);
void (*get_image_size)(void *drw_data, void *img_data, int *w, int *h);
void *(*scale_image)(void *drw_data, void *img_data, int w, int h);
void (*draw_image)(void *drw_data, void *img_data, int x, int y, int w, int h);
void (*close_image)(void *drw_data, void *img_data);
void (*get_text_size)(void *drw_data, const char *text, size_t len, int size, int styles, int *w, int *h);
void (*draw_text)(void *drw_data, int x, int y, const char *text, size_t len, int size, int styles);
} ImpDrawer;
struct ImpRenderCtx_struct;
typedef struct ImpRenderCtx_struct ImpRenderCtx;
#define IMP_LAST_PAGE -1
ImpDoc *imp_open(const char *filename, int *err);
int imp_nr_pages(ImpDoc *doc);
ImpPage *imp_get_page(ImpDoc *doc, int page_no);
void imp_close(ImpDoc *doc);
void *imp_get_xml(ImpDoc *doc, const char *filename);
ImpPage *imp_next_page(ImpPage *page);
ImpPage *imp_prev_page(ImpPage *page);
int imp_get_page_no(ImpPage *page);
const char *imp_get_page_name(ImpPage *page);
ImpRenderCtx *imp_create_context(const ImpDrawer *drw);
void imp_context_set_page(ImpRenderCtx *ctx, ImpPage *page);
void imp_context_set_step(ImpRenderCtx *ctx, int step);
void imp_render(ImpRenderCtx *ctx, void *drw_data);
void imp_delete_context(ImpRenderCtx *ctx);
#endif /* IMPOSTER_H */
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