Duncan McIntyre / SimpleGUI

Foundation classes for a basic GUI implementing simple widgets and events

Dependents:   TouchScreenGUIDemo

Widgets/BitmapWidget.cpp@16:e9a771ecfdbe, 2016-05-22 (annotated)

Committer:
duncanFrance
Date:
Sun May 22 14:40:29 2016 +0000
Revision:
16:e9a771ecfdbe
Parent:
15:e69fd74d42e4 
Added vertical alignment control to TextWidget; pumpEvents no longer blocks

Who changed what in which revision?

UserRevisionLine numberNew contents of line
duncanFrance 4:27546fb8b670 1 #include "BitmapWidget.h"
duncanFrance 4:27546fb8b670 2
duncanFrance 16:e9a771ecfdbe 3 BitmapWidget::BitmapWidget(GraphicsContext *context) :
duncanFrance 16:e9a771ecfdbe 4 Widget(context), _monochrome(false), _bitmapWidth(0), _bitmapHeight(0)
duncanFrance 4:27546fb8b670 5 {
duncanFrance 4:27546fb8b670 6 }
duncanFrance 4:27546fb8b670 7
duncanFrance 16:e9a771ecfdbe 8 BitmapWidget::BitmapWidget(GraphicsContext *context, bool monochrome) :
duncanFrance 16:e9a771ecfdbe 9 Widget(context), _monochrome(monochrome), _bitmapWidth(0), _bitmapHeight(0)
duncanFrance 9:616a9686d5db 10 {
duncanFrance 9:616a9686d5db 11 }
duncanFrance 9:616a9686d5db 12
duncanFrance 4:27546fb8b670 13 void BitmapWidget::setMonochrome(bool enabled)
duncanFrance 4:27546fb8b670 14 {
duncanFrance 4:27546fb8b670 15 _monochrome = enabled;
duncanFrance 12:63db16fea709 16 dirty();
duncanFrance 4:27546fb8b670 17 }
duncanFrance 4:27546fb8b670 18
duncanFrance 4:27546fb8b670 19 bool BitmapWidget::isMonochrome()
duncanFrance 4:27546fb8b670 20 {
duncanFrance 4:27546fb8b670 21 return _monochrome;
duncanFrance 4:27546fb8b670 22 }
duncanFrance 4:27546fb8b670 23
duncanFrance 4:27546fb8b670 24
duncanFrance 14:e6515b19f5a0 25 void BitmapWidget::setBitmap(unsigned char const * bitmap, int width, int height)
duncanFrance 4:27546fb8b670 26 {
duncanFrance 14:e6515b19f5a0 27 _bitmap = (unsigned char*)bitmap;
duncanFrance 16:e9a771ecfdbe 28 _bitmapWidth = width;
duncanFrance 16:e9a771ecfdbe 29 _bitmapHeight = height;
duncanFrance 12:63db16fea709 30 // Adjust overall size so that the inner window fits the bitmap
duncanFrance 12:63db16fea709 31 // Really we should just clip, but that's too hard for now
duncanFrance 16:e9a771ecfdbe 32 setSize(((_padding + _borderWidth) * 2) + _bitmapWidth, ((_padding + _borderWidth) * 2) + _bitmapHeight);
duncanFrance 16:e9a771ecfdbe 33 dirty();
duncanFrance 16:e9a771ecfdbe 34 }
duncanFrance 16:e9a771ecfdbe 35
duncanFrance 16:e9a771ecfdbe 36 void BitmapWidget::setBorder(int width, uint16_t color)
duncanFrance 16:e9a771ecfdbe 37 {
duncanFrance 16:e9a771ecfdbe 38 Widget::setBorder(width, color);
duncanFrance 16:e9a771ecfdbe 39 setSize(((_padding + _borderWidth) * 2) + _bitmapWidth, ((_padding + _borderWidth) * 2) + _bitmapHeight);
duncanFrance 12:63db16fea709 40 dirty();
duncanFrance 4:27546fb8b670 41 }
duncanFrance 4:27546fb8b670 42
duncanFrance 8:a460cabc85ac 43 void BitmapWidget::_draw()
duncanFrance 4:27546fb8b670 44 {
duncanFrance 15:e69fd74d42e4 45 Widget::_draw();
duncanFrance 9:616a9686d5db 46
duncanFrance 4:27546fb8b670 47 if(_monochrome) {
duncanFrance 15:e69fd74d42e4 48 int fg = display()->getForeground();
duncanFrance 15:e69fd74d42e4 49 int bg = display()->getBackground();
duncanFrance 15:e69fd74d42e4 50 display()->setForeground(_fg);
duncanFrance 15:e69fd74d42e4 51 display()->setBackground(_bg);
duncanFrance 15:e69fd74d42e4 52
duncanFrance 12:63db16fea709 53 display()->Bitmap_FG_BG(_inner.x, _inner.y, _inner.width, _inner.height, _bitmap);
duncanFrance 15:e69fd74d42e4 54
duncanFrance 15:e69fd74d42e4 55 display()->setForeground(fg);
duncanFrance 15:e69fd74d42e4 56 display()->setBackground(bg);
duncanFrance 4:27546fb8b670 57 } else {
duncanFrance 12:63db16fea709 58 display()->Bitmap(_inner.x, _inner.y, _inner.width, _inner.height, _bitmap);
duncanFrance 4:27546fb8b670 59 }
duncanFrance 4:27546fb8b670 60 }