1 files changed, 84 insertions, 0 deletions
diff --git a/backend/impress/imposter.h b/backend/impress/imposter.h
new file mode 100644
index 00000000..50c87f2c
--- /dev/null
+++ b/backend/impress/imposter.h
@@ -0,0 +1,84 @@
+/* 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 */