1 files changed, 274 insertions, 0 deletions
diff --git a/source/fitz/document.c b/source/fitz/document.c
new file mode 100644
index 00000000..8adbf816
--- /dev/null
+++ b/source/fitz/document.c
@@ -0,0 +1,274 @@
+#include "mupdf/fitz.h"
+
+/* Yuck! Promiscuous we are. */
+extern struct pdf_document *pdf_open_document(fz_context *ctx, const char *filename);
+extern struct xps_document *xps_open_document(fz_context *ctx, const char *filename);
+extern struct cbz_document *cbz_open_document(fz_context *ctx, const char *filename);
+extern struct image_document *image_open_document(fz_context *ctx, const char *filename);
+
+extern struct pdf_document *pdf_open_document_with_stream(fz_context *ctx, fz_stream *file);
+extern struct xps_document *xps_open_document_with_stream(fz_context *ctx, fz_stream *file);
+extern struct cbz_document *cbz_open_document_with_stream(fz_context *ctx, fz_stream *file);
+extern struct image_document *image_open_document_with_stream(fz_context *ctx, fz_stream *file);
+
+extern int pdf_js_supported(void);
+
+static inline int fz_tolower(int c)
+{
+	if (c >= 'A' && c <= 'Z')
+		return c + 32;
+	return c;
+}
+
+static inline int fz_strcasecmp(const char *a, const char *b)
+{
+	while (fz_tolower(*a) == fz_tolower(*b))
+	{
+		if (*a++ == 0)
+			return 0;
+		b++;
+	}
+	return fz_tolower(*a) - fz_tolower(*b);
+}
+
+fz_document *
+fz_open_document_with_stream(fz_context *ctx, const char *magic, fz_stream *stream)
+{
+	char *ext = strrchr(magic, '.');
+
+	if (ext)
+	{
+		if (!fz_strcasecmp(ext, ".xps") || !fz_strcasecmp(ext, ".rels") || !fz_strcasecmp(ext, ".oxps"))
+			return (fz_document*) xps_open_document_with_stream(ctx, stream);
+		if (!fz_strcasecmp(ext, ".cbz") || !fz_strcasecmp(ext, ".zip"))
+			return (fz_document*) cbz_open_document_with_stream(ctx, stream);
+		if (!fz_strcasecmp(ext, ".pdf"))
+			return (fz_document*) pdf_open_document_with_stream(ctx, stream);
+		if (!fz_strcasecmp(ext, ".png") || !fz_strcasecmp(ext, ".jpg") ||
+			!fz_strcasecmp(ext, ".jpeg") || !fz_strcasecmp(ext, ".jfif") ||
+			!fz_strcasecmp(ext, ".jfif-tbnl") || !fz_strcasecmp(ext, ".jpe") ||
+			!fz_strcasecmp(ext, ".tif") || !fz_strcasecmp(ext, ".tiff"))
+			return (fz_document*) image_open_document_with_stream(ctx, stream);
+	}
+
+	if (!strcmp(magic, "cbz") || !strcmp(magic, "application/x-cbz"))
+		return (fz_document*) cbz_open_document_with_stream(ctx, stream);
+	if (!strcmp(magic, "xps") || !strcmp(magic, "oxps") || !strcmp(magic, "application/vnd.ms-xpsdocument"))
+		return (fz_document*) xps_open_document_with_stream(ctx, stream);
+	if (!strcmp(magic, "pdf") || !strcmp(magic, "application/pdf"))
+		return (fz_document*) pdf_open_document_with_stream(ctx, stream);
+	if (!strcmp(magic, "png") || !strcmp(magic, "image/png") ||
+		!strcmp(magic, "jpg") || !strcmp(magic, "image/jpeg") ||
+		!strcmp(magic, "jpeg") || !strcmp(magic, "image/pjpeg") ||
+		!strcmp(magic, "jpe") || !strcmp(magic, "jfif") ||
+		!strcmp(magic, "tif") || !strcmp(magic, "image/tiff") ||
+		!strcmp(magic, "tiff") || !strcmp(magic, "image/x-tiff"))
+		return (fz_document*) image_open_document_with_stream(ctx, stream);
+
+	/* last guess: pdf */
+	return (fz_document*) pdf_open_document_with_stream(ctx, stream);
+}
+
+fz_document *
+fz_open_document(fz_context *ctx, const char *filename)
+{
+	char *ext = strrchr(filename, '.');
+
+	if (ext)
+	{
+		if (!fz_strcasecmp(ext, ".xps") || !fz_strcasecmp(ext, ".rels") || !fz_strcasecmp(ext, ".oxps"))
+			return (fz_document*) xps_open_document(ctx, filename);
+		if (!fz_strcasecmp(ext, ".cbz") || !fz_strcasecmp(ext, ".zip"))
+			return (fz_document*) cbz_open_document(ctx, filename);
+		if (!fz_strcasecmp(ext, ".pdf"))
+			return (fz_document*) pdf_open_document(ctx, filename);
+		if (!fz_strcasecmp(ext, ".png") || !fz_strcasecmp(ext, ".jpg") ||
+			!fz_strcasecmp(ext, ".jpeg") || !fz_strcasecmp(ext, ".jpe") ||
+			!fz_strcasecmp(ext, ".jfif") || !fz_strcasecmp(ext, ".jfif-tbnl") ||
+			!fz_strcasecmp(ext, ".tif") || !fz_strcasecmp(ext, ".tiff"))
+			return (fz_document*) image_open_document(ctx, filename);
+	}
+
+	/* last guess: pdf */
+	return (fz_document*) pdf_open_document(ctx, filename);
+}
+
+void
+fz_close_document(fz_document *doc)
+{
+	if (doc && doc->close)
+		doc->close(doc);
+}
+
+int
+fz_needs_password(fz_document *doc)
+{
+	if (doc && doc->needs_password)
+		return doc->needs_password(doc);
+	return 0;
+}
+
+int
+fz_authenticate_password(fz_document *doc, char *password)
+{
+	if (doc && doc->authenticate_password)
+		return doc->authenticate_password(doc, password);
+	return 1;
+}
+
+fz_outline *
+fz_load_outline(fz_document *doc)
+{
+	if (doc && doc->load_outline)
+		return doc->load_outline(doc);
+	return NULL;
+}
+
+int
+fz_count_pages(fz_document *doc)
+{
+	if (doc && doc->count_pages)
+		return doc->count_pages(doc);
+	return 0;
+}
+
+fz_page *
+fz_load_page(fz_document *doc, int number)
+{
+	if (doc && doc->load_page)
+		return doc->load_page(doc, number);
+	return NULL;
+}
+
+fz_link *
+fz_load_links(fz_document *doc, fz_page *page)
+{
+	if (doc && doc->load_links && page)
+		return doc->load_links(doc, page);
+	return NULL;
+}
+
+fz_rect *
+fz_bound_page(fz_document *doc, fz_page *page, fz_rect *r)
+{
+	if (doc && doc->bound_page && page && r)
+		return doc->bound_page(doc, page, r);
+	if (r)
+		*r = fz_empty_rect;
+	return r;
+}
+
+fz_annot *
+fz_first_annot(fz_document *doc, fz_page *page)
+{
+	if (doc && doc->first_annot && page)
+		return doc->first_annot(doc, page);
+	return NULL;
+}
+
+fz_annot *
+fz_next_annot(fz_document *doc, fz_annot *annot)
+{
+	if (doc && doc->next_annot && annot)
+		return doc->next_annot(doc, annot);
+	return NULL;
+}
+
+fz_rect *
+fz_bound_annot(fz_document *doc, fz_annot *annot, fz_rect *rect)
+{
+	if (doc && doc->bound_annot && annot && rect)
+		return doc->bound_annot(doc, annot, rect);
+	if (rect)
+		*rect = fz_empty_rect;
+	return rect;
+}
+
+void
+fz_run_page_contents(fz_document *doc, fz_page *page, fz_device *dev, const fz_matrix *transform, fz_cookie *cookie)
+{
+	if (doc && doc->run_page_contents && page)
+		doc->run_page_contents(doc, page, dev, transform, cookie);
+}
+
+void
+fz_run_annot(fz_document *doc, fz_page *page, fz_annot *annot, fz_device *dev, const fz_matrix *transform, fz_cookie *cookie)
+{
+	if (doc && doc->run_annot && page && annot)
+		doc->run_annot(doc, page, annot, dev, transform, cookie);
+}
+
+void
+fz_run_page(fz_document *doc, fz_page *page, fz_device *dev, const fz_matrix *transform, fz_cookie *cookie)
+{
+	fz_annot *annot;
+	fz_rect mediabox;
+
+	fz_bound_page(doc, page, &mediabox);
+	fz_begin_page(dev, &mediabox, transform);
+
+	fz_run_page_contents(doc, page, dev, transform, cookie);
+
+	if (cookie && cookie->progress_max != -1)
+	{
+		int count = 1;
+		for (annot = fz_first_annot(doc, page); annot; annot = fz_next_annot(doc, annot))
+			count++;
+		cookie->progress_max += count;
+	}
+
+	for (annot = fz_first_annot(doc, page); annot; annot = fz_next_annot(doc, annot))
+	{
+		/* Check the cookie for aborting */
+		if (cookie)
+		{
+			if (cookie->abort)
+				break;
+			cookie->progress++;
+		}
+
+		fz_run_annot(doc, page, annot, dev, transform, cookie);
+	}
+
+	fz_end_page(dev);
+}
+
+void
+fz_free_page(fz_document *doc, fz_page *page)
+{
+	if (doc && doc->free_page && page)
+		doc->free_page(doc, page);
+}
+
+int
+fz_meta(fz_document *doc, int key, void *ptr, int size)
+{
+	if (doc && doc->meta)
+		return doc->meta(doc, key, ptr, size);
+	return FZ_META_UNKNOWN_KEY;
+}
+
+fz_transition *
+fz_page_presentation(fz_document *doc, fz_page *page, float *duration)
+{
+	float dummy;
+	if (duration)
+		*duration = 0;
+	else
+		duration = &dummy;
+	if (doc && doc->page_presentation && page)
+		return doc->page_presentation(doc, page, duration);
+	return NULL;
+}
+
+int fz_javascript_supported(void)
+{
+	return pdf_js_supported();
+}
+
+void
+fz_write_document(fz_document *doc, char *filename, fz_write_options *opts)
+{
+	if (doc && doc->write)
+		doc->write(doc, filename, opts);
+}