Duncan McIntyre / SimpleGUI

Foundation classes for a basic GUI implementing simple widgets and events

Dependents:   TouchScreenGUIDemo

Widgets/BitmapWidget.cpp@12:63db16fea709, 2016-05-08 (annotated)

Committer:
duncanFrance
Date:
Sun May 08 14:42:08 2016 +0000
Revision:
12:63db16fea709
Parent:
9:616a9686d5db
Child:
14:e6515b19f5a0
Update to handle dirty pixels and geometric change/damage

Who changed what in which revision?

UserRevisionLine numberNew contents of line
duncanFrance 4:27546fb8b670 1 #include "BitmapWidget.h"
duncanFrance 4:27546fb8b670 2
duncanFrance 12:63db16fea709 3 BitmapWidget::BitmapWidget(GraphicsContext *context) : Widget(context), _monochrome(false)
duncanFrance 4:27546fb8b670 4 {
duncanFrance 4:27546fb8b670 5 }
duncanFrance 4:27546fb8b670 6
duncanFrance 12:63db16fea709 7 BitmapWidget::BitmapWidget(GraphicsContext *context, bool monochrome) : Widget(context), _monochrome(monochrome)
duncanFrance 9:616a9686d5db 8 {
duncanFrance 9:616a9686d5db 9 }
duncanFrance 9:616a9686d5db 10
duncanFrance 4:27546fb8b670 11 void BitmapWidget::setMonochrome(bool enabled)
duncanFrance 4:27546fb8b670 12 {
duncanFrance 4:27546fb8b670 13 _monochrome = enabled;
duncanFrance 12:63db16fea709 14 dirty();
duncanFrance 4:27546fb8b670 15 }
duncanFrance 4:27546fb8b670 16
duncanFrance 4:27546fb8b670 17 bool BitmapWidget::isMonochrome()
duncanFrance 4:27546fb8b670 18 {
duncanFrance 4:27546fb8b670 19 return _monochrome;
duncanFrance 4:27546fb8b670 20 }
duncanFrance 4:27546fb8b670 21
duncanFrance 4:27546fb8b670 22
duncanFrance 12:63db16fea709 23 void BitmapWidget::setBitmap(unsigned char* bitmap, int width, int height)
duncanFrance 4:27546fb8b670 24 {
duncanFrance 4:27546fb8b670 25 _bitmap = bitmap;
duncanFrance 12:63db16fea709 26 // Adjust overall size so that the inner window fits the bitmap
duncanFrance 12:63db16fea709 27 // Really we should just clip, but that's too hard for now
duncanFrance 12:63db16fea709 28 setSize(((_padding + _borderWidth) * 2) + width, ((_padding + _borderWidth) * 2) + height);
duncanFrance 12:63db16fea709 29 dirty();
duncanFrance 4:27546fb8b670 30 }
duncanFrance 4:27546fb8b670 31
duncanFrance 8:a460cabc85ac 32 void BitmapWidget::_draw()
duncanFrance 4:27546fb8b670 33 {
duncanFrance 12:63db16fea709 34 display()->setForeground(_fg);
duncanFrance 12:63db16fea709 35 display()->setBackground(_bg);
duncanFrance 9:616a9686d5db 36
duncanFrance 4:27546fb8b670 37 if(_monochrome) {
duncanFrance 12:63db16fea709 38 display()->Bitmap_FG_BG(_inner.x, _inner.y, _inner.width, _inner.height, _bitmap);
duncanFrance 4:27546fb8b670 39 } else {
duncanFrance 12:63db16fea709 40 display()->Bitmap(_inner.x, _inner.y, _inner.width, _inner.height, _bitmap);
duncanFrance 4:27546fb8b670 41 }
duncanFrance 4:27546fb8b670 42 }