Merge master and pg_android branches

Bring up to date with current APIs, including text device changes.

1 files changed, 242 insertions, 0 deletions

diff --git a/xps/muxps-internal.h b/xps/muxps-internal.h
new file mode 100644
index 00000000..20bab4c1
--- /dev/null
+++ b/xps/muxps-internal.h
@@ -0,0 +1,242 @@
+#ifndef MUXPS_INTERNAL_H
+#define MUXPS_INTERNAL_H
+
+#include "muxps.h"
+#include "fitz-internal.h"
+
+typedef unsigned char byte;
+
+/*
+ * XPS and ZIP constants.
+ */
+
+#define REL_START_PART \
+	"http://schemas.microsoft.com/xps/2005/06/fixedrepresentation"
+#define REL_DOC_STRUCTURE \
+	"http://schemas.microsoft.com/xps/2005/06/documentstructure"
+#define REL_REQUIRED_RESOURCE \
+	"http://schemas.microsoft.com/xps/2005/06/required-resource"
+#define REL_REQUIRED_RESOURCE_RECURSIVE \
+	"http://schemas.microsoft.com/xps/2005/06/required-resource#recursive"
+
+#define ZIP_LOCAL_FILE_SIG 0x04034b50
+#define ZIP_DATA_DESC_SIG 0x08074b50
+#define ZIP_CENTRAL_DIRECTORY_SIG 0x02014b50
+#define ZIP_END_OF_CENTRAL_DIRECTORY_SIG 0x06054b50
+
+/*
+ * Memory, and string functions.
+ */
+
+int xps_strcasecmp(char *a, char *b);
+void xps_resolve_url(char *output, char *base_uri, char *path, int output_size);
+int xps_url_is_remote(char *path);
+char *xps_parse_point(char *s_in, float *x, float *y);
+
+/*
+ * Container parts.
+ */
+
+typedef struct xps_part_s xps_part;
+
+struct xps_part_s
+{
+	char *name;
+	int size;
+	int cap;
+	byte *data;
+};
+
+xps_part *xps_new_part(xps_document *doc, char *name, int size);
+int xps_has_part(xps_document *doc, char *partname);
+xps_part *xps_read_part(xps_document *doc, char *partname);
+void xps_free_part(xps_document *doc, xps_part *part);
+
+/*
+ * Document structure.
+ */
+
+typedef struct xps_fixdoc_s xps_fixdoc;
+typedef struct xps_target_s xps_target;
+
+struct xps_fixdoc_s
+{
+	char *name;
+	char *outline;
+	xps_fixdoc *next;
+};
+
+struct xps_page_s
+{
+	char *name;
+	int number;
+	int width;
+	int height;
+	xml_element *root;
+	int links_resolved;
+	fz_link *links;
+	xps_page *next;
+};
+
+struct xps_target_s
+{
+	char *name;
+	int page;
+	xps_target *next;
+};
+
+void xps_read_page_list(xps_document *doc);
+void xps_print_page_list(xps_document *doc);
+void xps_free_page_list(xps_document *doc);
+
+int xps_count_pages(xps_document *doc);
+xps_page *xps_load_page(xps_document *doc, int number);
+fz_link *xps_load_links(xps_document *doc, xps_page *page);
+fz_rect xps_bound_page(xps_document *doc, xps_page *page);
+void xps_free_page(xps_document *doc, xps_page *page);
+
+fz_outline *xps_load_outline(xps_document *doc);
+
+int xps_lookup_link_target(xps_document *doc, char *target_uri);
+void xps_add_link(xps_document *doc, fz_rect area, char *base_uri, char *target_uri);
+/*
+ * Images, fonts, and colorspaces.
+ */
+
+typedef struct xps_font_cache_s xps_font_cache;
+
+struct xps_font_cache_s
+{
+	char *name;
+	fz_font *font;
+	xps_font_cache *next;
+};
+
+typedef struct xps_glyph_metrics_s xps_glyph_metrics;
+
+struct xps_glyph_metrics_s
+{
+	float hadv, vadv, vorg;
+};
+
+int xps_count_font_encodings(fz_font *font);
+void xps_identify_font_encoding(fz_font *font, int idx, int *pid, int *eid);
+void xps_select_font_encoding(fz_font *font, int idx);
+int xps_encode_font_char(fz_font *font, int key);
+
+void xps_measure_font_glyph(xps_document *doc, fz_font *font, int gid, xps_glyph_metrics *mtx);
+
+void xps_print_path(xps_document *doc);
+
+void xps_parse_color(xps_document *doc, char *base_uri, char *hexstring, fz_colorspace **csp, float *samples);
+void xps_set_color(xps_document *doc, fz_colorspace *colorspace, float *samples);
+
+/*
+ * Resource dictionaries.
+ */
+
+typedef struct xps_resource_s xps_resource;
+
+struct xps_resource_s
+{
+	char *name;
+	char *base_uri; /* only used in the head nodes */
+	xml_element *base_xml; /* only used in the head nodes, to free the xml document */
+	xml_element *data;
+	xps_resource *next;
+	xps_resource *parent; /* up to the previous dict in the stack */
+};
+
+xps_resource * xps_parse_resource_dictionary(xps_document *doc, char *base_uri, xml_element *root);
+void xps_free_resource_dictionary(xps_document *doc, xps_resource *dict);
+void xps_resolve_resource_reference(xps_document *doc, xps_resource *dict, char **attp, xml_element **tagp, char **urip);
+
+void xps_print_resource_dictionary(xps_resource *dict);
+
+/*
+ * Fixed page/graphics parsing.
+ */
+
+void xps_run_page(xps_document *doc, xps_page *page, fz_device *dev, fz_matrix ctm, fz_cookie *cookie);
+
+void xps_parse_fixed_page(xps_document *doc, fz_matrix ctm, xps_page *page);
+void xps_parse_canvas(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
+void xps_parse_path(xps_document *doc, fz_matrix ctm, char *base_uri, xps_resource *dict, xml_element *node);
+void xps_parse_glyphs(xps_document *doc, fz_matrix ctm, char *base_uri, xps_resource *dict, xml_element *node);
+void xps_parse_solid_color_brush(xps_document *doc, fz_matrix ctm, char *base_uri, xps_resource *dict, xml_element *node);
+void xps_parse_image_brush(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
+void xps_parse_visual_brush(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
+void xps_parse_linear_gradient_brush(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
+void xps_parse_radial_gradient_brush(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
+
+void xps_parse_tiling_brush(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *root, void(*func)(xps_document*, fz_matrix, fz_rect, char*, xps_resource*, xml_element*, void*), void *user);
+
+void xps_parse_matrix_transform(xps_document *doc, xml_element *root, fz_matrix *matrix);
+void xps_parse_render_transform(xps_document *doc, char *text, fz_matrix *matrix);
+void xps_parse_rectangle(xps_document *doc, char *text, fz_rect *rect);
+
+void xps_begin_opacity(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, char *opacity_att, xml_element *opacity_mask_tag);
+void xps_end_opacity(xps_document *doc, char *base_uri, xps_resource *dict, char *opacity_att, xml_element *opacity_mask_tag);
+
+void xps_parse_brush(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
+void xps_parse_element(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
+
+void xps_clip(xps_document *doc, fz_matrix ctm, xps_resource *dict, char *clip_att, xml_element *clip_tag);
+
+/*
+ * The interpreter context.
+ */
+
+typedef struct xps_entry_s xps_entry;
+
+struct xps_entry_s
+{
+	char *name;
+	int offset;
+	int csize;
+	int usize;
+};
+
+struct xps_document_s
+{
+	fz_document super;
+
+	fz_context *ctx;
+	char *directory;
+	fz_stream *file;
+	int zip_count;
+	xps_entry *zip_table;
+
+	char *start_part; /* fixed document sequence */
+	xps_fixdoc *first_fixdoc; /* first fixed document */
+	xps_fixdoc *last_fixdoc; /* last fixed document */
+	xps_page *first_page; /* first page of document */
+	xps_page *last_page; /* last page of document */
+	int page_count;
+
+	xps_target *target; /* link targets */
+
+	char *base_uri; /* base uri for parsing XML and resolving relative paths */
+	char *part_uri; /* part uri for parsing metadata relations */
+
+	/* We cache font resources */
+	xps_font_cache *font_table;
+
+	/* Opacity attribute stack */
+	float opacity[64];
+	int opacity_top;
+
+	/* Current color */
+	fz_colorspace *colorspace;
+	float color[8];
+	float alpha;
+
+	/* Current device */
+	fz_cookie *cookie;
+	fz_device *dev;
+
+	/* Current page we are loading */
+	xps_page *current_page;
+};
+
+#endif