[project @ 2002-04-25 15:52:26 by bursa]

Interface to fonts.

svn path=/import/netsurf/; revision=8

render/font.c

@@ -0,0 +1,59 @@
+/**
+ * $Id: font.c,v 1.1 2002/04/25 15:52:26 bursa Exp $
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "font.h"
+
+/**
+ * internal structures
+ */
+
+struct font_set {
+	/* a set of font handles */
+};
+
+/**
+ * functions
+ */
+
+struct font_set * font_set_create(void)
+{
+	return 0;
+}
+	
+font_id font_add(struct font_set * font_set, const char * name, unsigned int weight,
+		unsigned int size)
+{
+	return 0;
+}
+
+void font_set_free(struct font_set * font_set)
+{
+}
+
+/**
+ * find where to split some text to fit it in width
+ */
+
+unsigned long font_split(struct font_set * font_set, font_id id, const char * text,
+		unsigned long width, const char ** end)
+{
+	size_t len = strlen(text);
+	unsigned int i;
+	assert(width >= 1);
+	if (len <= width) {
+		*end = text + len;
+		return len;
+	}
+	/* invariant: no space in text[i+1..width) */
+	for (i = width - 1; i != 0 && text[i] != ' '; i--)
+		;
+	*end = text + i;
+	return i;
+}
+
+

render/font.h

@@ -0,0 +1,22 @@
+/**
+ * $Id: font.h,v 1.1 2002/04/25 15:52:26 bursa Exp $
+ */
+
+/**
+ * structures and typedefs
+ */
+
+struct font_set;
+typedef unsigned int font_id;
+
+/**
+ * interface
+ */
+
+struct font_set * font_set_create(void);
+font_id font_add(struct font_set * font_set, const char * name, unsigned int weight,
+		unsigned int size);
+void font_set_free(struct font_set * font_set);
+unsigned long font_split(struct font_set * font_set, font_id id, const char * text,
+		unsigned long width, const char ** end);
+