From 7f200b7987e147eaf75dceb907b83358ac25aff7 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ghostscript.com>
Date: Thu, 12 May 2005 08:36:49 +0200
Subject: use bboxes in text extraction

---
 fitz/node_toxml.c | 206 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 206 insertions(+)
 create mode 100644 fitz/node_toxml.c

(limited to 'fitz/node_toxml.c')

diff --git a/fitz/node_toxml.c b/fitz/node_toxml.c
new file mode 100644
index 00000000..04a00423
--- /dev/null
+++ b/fitz/node_toxml.c
@@ -0,0 +1,206 @@
+#include <fitz.h>
+
+static void indent(int level)
+{
+	while (level--)
+		putchar(' ');
+}
+
+static void xmlnode(fz_node *node, int level);
+
+static void xmlmeta(fz_metanode *node, int level)
+{
+	fz_node *child;
+
+	indent(level);
+	printf("<meta");
+	if (node->name)
+	{
+		printf(" name=\"");
+		fz_debugobj(node->name);
+		printf("\" ");
+	}
+	printf(">\n");
+
+	for (child = node->super.first; child; child = child->next)
+		xmlnode(child, level + 1);
+
+	indent(level);
+	printf("</meta>\n");
+}
+
+static void xmlover(fz_overnode *node, int level)
+{
+	fz_node *child;
+	indent(level);
+	printf("<over>\n");
+	for (child = node->super.first; child; child = child->next)
+		xmlnode(child, level + 1);
+	indent(level);
+	printf("</over>\n");
+}
+
+static void xmlmask(fz_masknode *node, int level)
+{
+	fz_node *child;
+	indent(level);
+	printf("<mask>\n");
+	for (child = node->super.first; child; child = child->next)
+		xmlnode(child, level + 1);
+	indent(level);
+	printf("</mask>\n");
+}
+
+static void xmlblend(fz_blendnode *node, int level)
+{
+	fz_node *child;
+	indent(level);
+	printf("<blend mode=\"%d\">\n", node->mode);
+	for (child = node->super.first; child; child = child->next)
+		xmlnode(child, level + 1);
+	indent(level);
+	printf("</blend>\n");
+}
+
+static void xmltransform(fz_transformnode *node, int level)
+{
+	indent(level);
+	printf("<transform matrix=\"%g %g %g %g %g %g\">\n",
+		node->m.a, node->m.b,
+		node->m.c, node->m.d,
+		node->m.e, node->m.f);
+	xmlnode(node->super.first, level + 1);
+	indent(level);
+	printf("</transform>\n");
+}
+
+static void xmlcolor(fz_colornode *node, int level)
+{
+	int i;
+	indent(level);
+	printf("<solid colorspace=\"%s\" v=\"", node->cs->name);
+	for (i = 0; i < node->n; i++)
+	{
+		printf("%g", node->samples[i]);
+		if (i < node->n - 1)
+			putchar(' ');
+	}
+	printf("\" />\n");
+}
+
+static void xmllink(fz_linknode *node, int level)
+{
+	indent(level);
+	printf("<link name=\"%p\" />\n", node->tree);
+}
+
+static void xmlpath(fz_pathnode *node, int level)
+{
+	int i;
+
+	indent(level);
+
+	if (node->paint == FZ_STROKE)
+	{
+		printf("<path fill=\"stroke\" cap=\"%d\" join=\"%d\" width=\"%g\" miter=\"%g\"",
+			node->linecap,
+			node->linejoin,
+			node->linewidth,
+			node->miterlimit);
+		if (node->dash)
+		{
+			printf(" phase=\"%g\" array=\"", node->dash->phase);
+			for (i = 0; i < node->dash->len; i++)
+				printf("%g ", node->dash->array[i]);
+			printf("\"");
+		}
+		printf(">\n");
+	}
+	else
+	{
+		printf("<path fill=\"%s\">\n",
+				node->paint == FZ_FILL ? "nonzero" : "evenodd");
+	}
+
+	fz_debugpathnode(node);
+
+	indent(level);
+	printf("</path>\n");
+}
+
+static void xmltext(fz_textnode *node, int level)
+{
+	int i;
+
+	indent(level);
+	printf("<text font=\"%s\" matrix=\"%g %g %g %g\">\n", node->font->name,
+		node->trm.a, node->trm.b, node->trm.c, node->trm.d);
+
+	for (i = 0; i < node->len; i++)
+	{
+		indent(level + 1);
+		if (node->els[i].cid >= 32 && node->els[i].cid < 128)
+			printf("<g c=\"%c\" x=\"%g\" y=\"%g\" />\n",
+					node->els[i].cid, node->els[i].x, node->els[i].y);
+		else
+			printf("<g c=\"<%04x>\" x=\"%g\" y=\"%g\" />\n",
+					node->els[i].cid, node->els[i].x, node->els[i].y);
+	}
+
+	indent(level);
+	printf("</text>\n");
+}
+
+static void xmlimage(fz_imagenode *node, int level)
+{
+	fz_image *image = node->image;
+	indent(level);
+	printf("<image w=\"%d\" h=\"%d\" n=\"%d\" a=\"%d\" />\n",
+			image->w, image->h, image->n, image->a);
+}
+
+static void xmlshade(fz_shadenode *node, int level)
+{
+	indent(level);
+	printf("<shade />\n");
+}
+
+static void xmlnode(fz_node *node, int level)
+{
+	if (!node)
+	{
+		indent(level);
+		printf("<nil />\n");
+		return;
+	}
+
+	switch (node->kind)
+	{
+	case FZ_NMETA: xmlmeta((fz_metanode*)node, level); break;
+	case FZ_NOVER: xmlover((fz_overnode*)node, level); break;
+	case FZ_NMASK: xmlmask((fz_masknode*)node, level); break;
+	case FZ_NBLEND: xmlblend((fz_blendnode*)node, level); break;
+	case FZ_NTRANSFORM: xmltransform((fz_transformnode*)node, level); break;
+	case FZ_NCOLOR: xmlcolor((fz_colornode*)node, level); break;
+	case FZ_NPATH: xmlpath((fz_pathnode*)node, level); break;
+	case FZ_NTEXT: xmltext((fz_textnode*)node, level); break;
+	case FZ_NIMAGE: xmlimage((fz_imagenode*)node, level); break;
+	case FZ_NSHADE: xmlshade((fz_shadenode*)node, level); break;
+	case FZ_NLINK: xmllink((fz_linknode*)node, level); break;
+	}
+}
+
+void
+fz_debugnode(fz_node *node)
+{
+	xmlnode(node, 0);
+}
+
+void
+fz_debugtree(fz_tree *tree)
+{
+	printf("<tree>\n");
+	xmlnode(tree->root, 1);
+	printf("</tree>\n");
+}
+
-- 
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