From 0a927854a10e1e6b9770a81e2e1d9f3093631757 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor.andersson@artifex.com>
Date: Wed, 19 Jun 2013 15:29:44 +0200
Subject: Rearrange source files.

---
 source/xps/xps-image.c | 128 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 source/xps/xps-image.c

(limited to 'source/xps/xps-image.c')

diff --git a/source/xps/xps-image.c b/source/xps/xps-image.c
new file mode 100644
index 00000000..eb0d876f
--- /dev/null
+++ b/source/xps/xps-image.c
@@ -0,0 +1,128 @@
+#include "mupdf/xps.h"
+
+static fz_image *
+xps_load_image(fz_context *ctx, xps_part *part)
+{
+	/* Ownership of data always passes in here */
+	unsigned char *data = part->data;
+	part->data = NULL;
+	return fz_new_image_from_data(ctx, data, part->size);
+}
+
+/* FIXME: area unused! */
+static void
+xps_paint_image_brush(xps_document *doc, const fz_matrix *ctm, const fz_rect *area, char *base_uri, xps_resource *dict,
+	fz_xml *root, void *vimage)
+{
+	fz_image *image = vimage;
+	float xs, ys;
+	fz_matrix local_ctm = *ctm;
+
+	if (image->xres == 0 || image->yres == 0)
+		return;
+	xs = image->w * 96 / image->xres;
+	ys = image->h * 96 / image->yres;
+	fz_pre_scale(&local_ctm, xs, ys);
+	fz_fill_image(doc->dev, image, &local_ctm, doc->opacity[doc->opacity_top]);
+}
+
+static void
+xps_find_image_brush_source_part(xps_document *doc, char *base_uri, fz_xml *root, xps_part **image_part, xps_part **profile_part)
+{
+	char *image_source_att;
+	char buf[1024];
+	char partname[1024];
+	char *image_name;
+	char *profile_name;
+	char *p;
+
+	image_source_att = fz_xml_att(root, "ImageSource");
+	if (!image_source_att)
+		fz_throw(doc->ctx, FZ_ERROR_GENERIC, "cannot find image source attribute");
+
+	/* "{ColorConvertedBitmap /Resources/Image.tiff /Resources/Profile.icc}" */
+	if (strstr(image_source_att, "{ColorConvertedBitmap") == image_source_att)
+	{
+		image_name = NULL;
+		profile_name = NULL;
+
+		fz_strlcpy(buf, image_source_att, sizeof buf);
+		p = strchr(buf, ' ');
+		if (p)
+		{
+			image_name = p + 1;
+			p = strchr(p + 1, ' ');
+			if (p)
+			{
+				*p = 0;
+				profile_name = p + 1;
+				p = strchr(p + 1, '}');
+				if (p)
+					*p = 0;
+			}
+		}
+	}
+	else
+	{
+		image_name = image_source_att;
+		profile_name = NULL;
+	}
+
+	if (!image_name)
+		fz_throw(doc->ctx, FZ_ERROR_GENERIC, "cannot find image source");
+
+	if (image_part)
+	{
+		xps_resolve_url(partname, base_uri, image_name, sizeof partname);
+		*image_part = xps_read_part(doc, partname);
+	}
+
+	if (profile_part)
+	{
+		if (profile_name)
+		{
+			xps_resolve_url(partname, base_uri, profile_name, sizeof partname);
+			*profile_part = xps_read_part(doc, partname);
+		}
+		else
+			*profile_part = NULL;
+	}
+}
+
+void
+xps_parse_image_brush(xps_document *doc, const fz_matrix *ctm, const fz_rect *area,
+	char *base_uri, xps_resource *dict, fz_xml *root)
+{
+	xps_part *part;
+	fz_image *image;
+
+	fz_try(doc->ctx)
+	{
+		xps_find_image_brush_source_part(doc, base_uri, root, &part, NULL);
+	}
+	fz_catch(doc->ctx)
+	{
+		/* FIXME: TryLater ? */
+		fz_warn(doc->ctx, "cannot find image source");
+		return;
+	}
+
+	fz_try(doc->ctx)
+	{
+		image = xps_load_image(doc->ctx, part);
+	}
+	fz_always(doc->ctx)
+	{
+		xps_free_part(doc, part);
+	}
+	fz_catch(doc->ctx)
+	{
+		/* FIXME: TryLater ? */
+		fz_warn(doc->ctx, "cannot decode image resource");
+		return;
+	}
+
+	xps_parse_tiling_brush(doc, ctm, area, base_uri, dict, root, xps_paint_image_brush, image);
+
+	fz_drop_image(doc->ctx, image);
+}
-- 
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