Diff: Decoders/Font.h

Revision:

0:b876cf091464

Child:

1:f7003ec66a51

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Decoders/Font.h	Fri Aug 30 17:09:18 2013 +0000
@@ -0,0 +1,87 @@
+/* NeatGUI Library
+ * Copyright (c) 2013 Neil Thiessen
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FONT_H
+#define FONT_H
+
+#include "mbed.h"
+#include "BitmapImage.h"
+
+/** Font class.
+ *  Used to access font data in an external table.
+ */
+class Font
+{
+public:
+    /** Create a white Font object
+     *
+     * @param table Pointer to the font table.
+     */
+    Font(const char *table);
+
+    /** Create a Font object with the specified color
+     *
+     * @param table Pointer to the font table.
+     * @param color Color for the font as a 32-bit ARGB value.
+     */
+    Font(const char *table, unsigned int color);
+
+    /** Get the glyph Image for the specified character
+     *
+     * @returns The character glyph Image.
+     */
+    BitmapImage glyph(char c);
+
+    /** Get the current Font color
+     *
+     * @returns The current Font color as a 32-bit ARGB value.
+     */
+    unsigned int color(void);
+
+    /** Set the Font color
+     *
+     * @param c The new Font color as a 32-bit ARGB value.
+     */
+    void color(unsigned int c);
+
+    /** Get the height of the Font glyphs
+     *
+     * @returns The height of the Font glyphs.
+     */
+    int height(void);
+
+    /** Measures the width of a string in pixels if drawn with this font
+     *
+     * @param str Pointer to the string to measure.
+     *
+     * @returns The width of the string in pixels.
+     */
+    int measureString(const char *str);
+
+    /** Measures the width of the next word in a string (separated by whitespace) in pixels if drawn with this font
+     *
+     * @param str Pointer to the string to measure.
+     *
+     * @returns The width of the next word in pixels.
+     */
+    int measureWord(const char *str);
+
+protected:
+    const char *m_FontTable;
+    unsigned int m_Color;
+};
+
+#endif