New backend to support impress slides. Fixes bug #30867.

2006-07-11  Bastien Nocera <hadess@hadess.net>

	* Makefile.am:
	* backend/Makefile.am:
	* backend/ev-document-factory.c: (ev_document_factory_add_filters):
	* backend/ev-document-factory.h:
	* configure.ac:
	* impress/.cvsignore:
	* impress/Makefile.am:
	* impress/common.h:
	* impress/document.c: (_imp_load_xml), (imp_open), (imp_nr_pages),
	(imp_get_page), (imp_next_page), (imp_prev_page),
	(imp_get_page_no), (imp_get_page_name), (imp_get_xml), (imp_close):
	* impress/f_oasis.c: (render_object), (render_page),
	(get_geometry), (_imp_oasis_load):
	* impress/f_oo13.c: (render_object), (render_page), (get_geometry),
	(_imp_oo13_load):
	* impress/iksemel.c: (iks_malloc), (iks_free), (iks_set_mem_funcs),
	(iks_strdup), (iks_strcat), (iks_strcmp), (iks_strcasecmp),
	(iks_strncmp), (iks_strncasecmp), (iks_strlen), (iks_escape),
	(iks_unescape), (find_space), (iks_stack_new), (iks_stack_alloc),
	(iks_stack_strdup), (iks_stack_strcat), (iks_stack_stat),
	(iks_stack_delete), (iks_sax_new), (iks_sax_extend),
	(iks_parser_stack), (iks_user_data), (iks_nr_bytes),
	(iks_nr_lines), (stack_init), (stack_expand), (sax_core),
	(iks_parse), (iks_parser_reset), (iks_parser_delete), (iks_new),
	(iks_new_within), (iks_insert), (iks_insert_cdata),
	(iks_insert_attrib), (iks_insert_node), (iks_hide), (iks_delete),
	(iks_next), (iks_next_tag), (iks_prev), (iks_prev_tag),
	(iks_parent), (iks_root), (iks_child), (iks_first_tag),
	(iks_attrib), (iks_find), (iks_find_cdata), (iks_find_attrib),
	(iks_find_with_attrib), (iks_stack), (iks_type), (iks_name),
	(iks_cdata), (iks_cdata_size), (iks_has_children),
	(iks_has_attribs), (escape_size), (my_strcat), (escape),
	(iks_string), (iks_copy_within), (iks_copy), (tagHook),
	(cdataHook), (deleteHook), (iks_dom_new), (iks_set_size_hint),
	(iks_tree), (iks_load), (iks_save):
	* impress/iksemel.h:
	* impress/imposter.h:
	* impress/impress-document.c: (G_DEFINE_TYPE_WITH_CODE),
	(imp_render_draw_bezier_real), (imp_render_get_size),
	(imp_render_set_fg_color), (imp_render_draw_line),
	(imp_render_draw_rect), (imp_render_draw_polygon),
	(imp_render_draw_arc), (imp_render_draw_bezier),
	(imp_render_open_image), (imp_render_get_image_size),
	(imp_render_scale_image), (imp_render_draw_image),
	(imp_render_close_image), (imp_render_markup),
	(imp_render_get_text_size), (imp_render_draw_text),
	(impress_document_load), (impress_document_save),
	(impress_document_get_n_pages), (impress_document_get_page_size),
	(imp_render_get_from_drawable), (impress_document_render_pixbuf),
	(impress_document_finalize), (impress_document_class_init),
	(impress_document_can_get_text), (impress_document_get_info),
	(impress_document_document_iface_init),
	(impress_document_thumbnails_get_thumbnail),
	(impress_document_thumbnails_get_dimensions),
	(impress_document_document_thumbnails_iface_init),
	(impress_document_init):
	* impress/impress-document.h:
	* impress/internal.h:
	* impress/r_back.c: (_imp_fill_back):
	* impress/r_draw.c: (_imp_draw_rect), (_imp_draw_line_end),
	(_imp_draw_image), (_imp_tile_image):
	* impress/r_geometry.c: (r_parse_color), (r_get_color), (fg_color),
	(r_get_x), (r_get_y), (r_get_angle), (r_get_viewbox), (r_polygon),
	(r_polyline):
	* impress/r_gradient.c: (poly_rotate), (r_draw_gradient_simple),
	(r_draw_gradient_complex), (r_draw_gradient):
	* impress/r_style.c: (get_style), (r_get_style), (get_style_x),
	(r_get_bullet):
	* impress/r_text.c: (add_line), (add_span), (calc_sizes),
	(calc_pos), (_imp_draw_layout), (text_span), (text_p), (text_list),
	(r_text):
	* impress/render.c: (imp_create_context), (imp_context_set_page),
	(imp_context_set_step), (imp_render), (imp_delete_context):
	* impress/render.h:
	* impress/zip.c: (zip_error), (find_cd), (get_long), (get_word),
	(list_files), (zip_open), (zip_close), (find_file), (seek_file),
	(zip_load_xml), (zip_get_size), (zip_load):
	* impress/zip.h:
	* shell/ev-utils.c:

	New backend to support impress slides. Fixes bug #30867.

1 files changed, 85 insertions, 0 deletions

diff --git a/impress/internal.h b/impress/internal.h
new file mode 100644
index 0000000..eb99c3e
--- /dev/null
+++ b/impress/internal.h
@@ -0,0 +1,85 @@
+/* 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.
+*/
+
+#include "zip.h"
+
+#ifndef INTERNAL_H
+#define INTERNAL_H
+
+struct ImpDoc_struct {
+	ikstack *stack;
+	zip *zfile;
+	iks *content;
+	iks *styles;
+	iks *meta;
+	ImpPage *pages;
+	ImpPage *last_page;
+	int nr_pages;
+	void (*get_geometry)(ImpRenderCtx *ctx);
+	void (*render_page)(ImpRenderCtx *ctx, void *drw_data);
+};
+
+struct ImpPage_struct {
+	struct ImpPage_struct *next;
+	struct ImpPage_struct *prev;
+	ImpDoc *doc;
+	iks *page;
+	const char *name;
+	int nr;
+};
+
+struct ImpRenderCtx_struct {
+	const ImpDrawer *drw;
+	ImpPage *page;
+	iks *content;
+	iks *styles;
+	iks *last_element;
+	int step;
+	int pix_w, pix_h;
+	double cm_w, cm_h;
+	double fact_x, fact_y;
+};
+
+char *r_get_style (ImpRenderCtx *ctx, iks *node, char *attr);
+int r_get_color(ImpRenderCtx *ctx, iks *node, char *name, ImpColor *ic);
+void r_parse_color(const char *color, ImpColor *ic);
+int r_get_x (ImpRenderCtx *ctx, iks *node, char *name);
+int r_get_y (ImpRenderCtx *ctx, iks *node, char *name);
+int r_get_angle (iks *node, char *name, int def);
+
+enum {
+	IMP_LE_NONE = 0,
+	IMP_LE_ARROW,
+	IMP_LE_SQUARE,
+	IMP_LE_DIMENSION,
+	IMP_LE_DOUBLE_ARROW,
+	IMP_LE_SMALL_ARROW,
+	IMP_LE_ROUND_ARROW,
+	IMP_LE_SYM_ARROW,
+	IMP_LE_LINE_ARROW,
+	IMP_LE_ROUND_LARGE_ARROW,
+	IMP_LE_CIRCLE,
+	IMP_LE_SQUARE_45,
+	IMP_LE_CONCAVE_ARROW
+};
+
+void _imp_draw_rect(ImpRenderCtx *ctx, void *drw_data, int fill, int x, int y, int w, int h, int round);
+void _imp_draw_line_end(ImpRenderCtx *ctx, void *drw_data, int type, int size, int x, int y, int x2, int y2);
+void _imp_draw_image(ImpRenderCtx *ctx, void *drw_data, const char *name, int x, int y, int w, int h);
+void _imp_tile_image(ImpRenderCtx *ctx, void *drw_data, const char *name, int x, int y, int w, int h);
+
+int _imp_fill_back(ImpRenderCtx *ctx, void *drw_data, iks *node);
+void r_text(ImpRenderCtx *ctx, void *drw_data, iks *node);
+void r_polygon(ImpRenderCtx *ctx, void *drw_data, iks *node);
+void r_circle(ImpRenderCtx *ctx, void *drw_data, iks *node);
+void r_polyline(ImpRenderCtx *ctx, void *drw_data, iks *node);
+void r_draw_gradient (ImpRenderCtx *ctx, void *drw_data, iks *node);
+
+int _imp_oo13_load(ImpDoc *doc);
+int _imp_oasis_load(ImpDoc *doc);
+
+
+#endif	/* INTERNAL_H */