Rename the old path and text node files.

1 files changed, 111 insertions, 0 deletions

diff --git a/fitz/res_text.c b/fitz/res_text.c
new file mode 100644
index 00000000..a21cb3fc
--- /dev/null
+++ b/fitz/res_text.c
@@ -0,0 +1,111 @@
+#include "fitz.h"
+
+fz_text *
+fz_newtext(fz_font *font)
+{
+	fz_text *text;
+
+	text = fz_malloc(sizeof(fz_text));
+	text->font = fz_keepfont(font);
+	text->trm = fz_identity();
+	text->ctm = fz_identity();
+	text->len = 0;
+	text->cap = 0;
+	text->els = nil;
+
+	return text;
+}
+
+void
+fz_freetext(fz_text *text)
+{
+	fz_dropfont(text->font);
+	fz_free(text->els);
+	fz_free(text);
+}
+
+fz_rect
+fz_boundtext(fz_text *text, fz_matrix ctm)
+{
+	fz_matrix trm;
+	fz_rect bbox;
+	fz_rect fbox;
+	int i;
+
+	if (text->len == 0)
+		return fz_emptyrect;
+
+	/* find bbox of glyph origins in ctm space */
+
+	bbox.x0 = bbox.x1 = text->els[0].x;
+	bbox.y0 = bbox.y1 = text->els[0].y;
+
+	for (i = 1; i < text->len; i++)
+	{
+		bbox.x0 = MIN(bbox.x0, text->els[i].x);
+		bbox.y0 = MIN(bbox.y0, text->els[i].y);
+		bbox.x1 = MAX(bbox.x1, text->els[i].x);
+		bbox.y1 = MAX(bbox.y1, text->els[i].y);
+	}
+
+	bbox = fz_transformaabb(ctm, bbox);
+
+	/* find bbox of font in trm * ctm space */
+
+	trm = fz_concat(text->trm, ctm);
+	trm.e = 0;
+	trm.f = 0;
+
+	fbox.x0 = text->font->bbox.x0 * 0.001;
+	fbox.y0 = text->font->bbox.y0 * 0.001;
+	fbox.x1 = text->font->bbox.x1 * 0.001;
+	fbox.y1 = text->font->bbox.y1 * 0.001;
+
+	fbox = fz_transformaabb(trm, fbox);
+
+	/* expand glyph origin bbox by font bbox */
+
+	bbox.x0 += fbox.x0;
+	bbox.y0 += fbox.y0;
+	bbox.x1 += fbox.x1;
+	bbox.y1 += fbox.y1;
+
+	return bbox;
+}
+
+static void
+growtext(fz_text *text, int n)
+{
+	if (text->len + n < text->cap)
+		return;
+	while (text->len + n > text->cap)
+		text->cap = text->cap + 36;
+	text->els = fz_realloc(text->els, sizeof (fz_textel) * text->cap);
+}
+
+void
+fz_addtext(fz_text *text, int gid, int ucs, float x, float y)
+{
+	growtext(text, 1);
+	text->els[text->len].ucs = ucs;
+	text->els[text->len].gid = gid;
+	text->els[text->len].x = x;
+	text->els[text->len].y = y;
+	text->len++;
+}
+
+void fz_debugtext(fz_text *text, int indent)
+{
+	int i, n;
+	for (i = 0; i < text->len; i++)
+	{
+		for (n = 0; n < indent; n++)
+			putchar(' ');
+		if (text->els[i].ucs >= 32 && text->els[i].ucs < 128)
+			printf("<g ucs=\"%c\" gid=%d x=\"%g\" y=\"%g\" />\n",
+				text->els[i].ucs, text->els[i].gid, text->els[i].x, text->els[i].y);
+		else
+			printf("<g ucs=\"U+%04X\" gid=%d x=\"%g\" y=\"%g\" />\n",
+				text->els[i].ucs, text->els[i].gid, text->els[i].x, text->els[i].y);
+	}
+}