BitmapWidget.cpp

00001 #include "BitmapWidget.h"
00002 
00003 BitmapWidget::BitmapWidget(GraphicsContext *context) : 
00004 Widget(context), _monochrome(false), _bitmapWidth(0), _bitmapHeight(0)
00005 {
00006 }
00007 
00008 BitmapWidget::BitmapWidget(GraphicsContext *context, bool monochrome) : 
00009 Widget(context), _monochrome(monochrome), _bitmapWidth(0), _bitmapHeight(0)
00010 {
00011 }
00012 
00013 void BitmapWidget::setMonochrome(bool enabled)
00014 {
00015     _monochrome = enabled;
00016     dirty();
00017 }
00018 
00019 bool BitmapWidget::isMonochrome()
00020 {
00021     return _monochrome;
00022 }
00023 
00024 
00025 void BitmapWidget::setBitmap(unsigned char const * bitmap, int width, int height)
00026 {
00027     _bitmap = (unsigned char*)bitmap;
00028     _bitmapWidth = width;
00029     _bitmapHeight = height;
00030     // Adjust overall size so that the inner window fits the bitmap
00031     // Really we should just clip, but that's too hard for now
00032     setSize(((_padding + _borderWidth) * 2) + _bitmapWidth, ((_padding + _borderWidth) * 2) + _bitmapHeight);
00033     dirty();
00034 }
00035 
00036 void BitmapWidget::setBorder(int width, uint16_t color)
00037 {
00038     Widget::setBorder(width, color);
00039     setSize(((_padding + _borderWidth) * 2) + _bitmapWidth, ((_padding + _borderWidth) * 2) + _bitmapHeight);
00040     dirty();
00041 }
00042 
00043 void BitmapWidget::_draw()
00044 {
00045     Widget::_draw();
00046     
00047     if(_monochrome) {
00048         int fg = display()->getForeground();
00049         int bg = display()->getBackground();
00050         display()->setForeground(_fg);
00051         display()->setBackground(_bg);
00052 
00053         display()->Bitmap_FG_BG(_inner.x, _inner.y, _inner.width, _inner.height, _bitmap);
00054 
00055         display()->setForeground(fg);
00056         display()->setBackground(bg);
00057     } else {
00058         display()->Bitmap(_inner.x, _inner.y, _inner.width, _inner.height, _bitmap);
00059     }
00060 }