Diff: Font/UGFont/UGFont.cpp

Revision:

8:a460cabc85ac

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Font/UGFont/UGFont.cpp	Mon Apr 11 16:54:02 2016 +0000
@@ -0,0 +1,76 @@
+#include "UGFont.h"
+
+UGFont::UGFont(uint8_t* font, const uint8_t firstAsciiCode, const uint8_t lastAsciiCode, const bool proportional)
+    : Font(), _font(&font[UNIGRAPHIC_FONT_DATA_OFFSET]), _firstAscii(firstAsciiCode), _lastAscii(lastAsciiCode), _proportional(proportional)
+{
+    // read font parameter from start of array in format understood by UniGraphics.
+    // font[0] and font[3] are unused.
+    // Data starts at font[4]
+    // Data is laid out in column-order
+    _width = font[1];
+    _height = font[2];
+    _bytesPerCol = (_height + 7) >> 3; // bytes per column
+    _bytesPerGlyph = 1 + (_width * _bytesPerCol); // 1 byte for the width + actual data
+}
+
+uint8_t UGFont::firstAscii()
+{
+    return _firstAscii;
+}
+
+uint8_t UGFont::lastAscii()
+{
+    return _lastAscii;
+}
+
+uint8_t UGFont::widthOf(char c)
+{
+
+    if(c < _firstAscii || c > _lastAscii) {
+        return 0;
+    }
+
+    return _font[((c - _firstAscii) * _bytesPerGlyph)];
+}
+
+uint8_t UGFont::zoomedWidthOf(char c)
+{
+
+    if(!_proportional) {
+        return _width * _zoomX;
+    }
+
+    return widthOf(c) * _zoomX;
+}
+
+uint8_t UGFont::height()
+{
+    return _height;
+}
+
+uint8_t UGFont::zoomedHeight()
+{
+    return _zoomY * _height;
+}
+
+bool UGFont::isProportional() {
+    return _proportional;
+}
+
+uint8_t* UGFont::getGlyphData(char c)
+{
+    if(c < _firstAscii || c > _lastAscii) {
+        return NULL;
+    }
+    return &_font[((c - _firstAscii) * _bytesPerGlyph) + 1];
+}
+
+uint8_t UGFont::bytesPerCol()
+{
+    return _bytesPerCol;
+}
+
+uint8_t UGFont::bytesPerGlyph()
+{
+    return _bytesPerGlyph;
+}