def _refresh(self):
# get geometry
X, Y = self.scroll
cw, ch = self.charSize
sl, sr, st, sb = self._borders
cl, rw = self.screenSize
# create device context
dc = MemoryDC()
# select bitmap
dc.SelectObject(self.bitmapBuffer)
# clear buffer
self._clear(dc)
# draw _borders
self.drawBorders(dc)
# draw each lines
for y, line in enumerate(self.textBuffer[Y:]):
# check for last visible line
if y+st >= rw-sb: break
# get line number
lineNumber = f'{y+Y:{sl-1}d}'
# draw number
for x, c in enumerate(lineNumber):
# get character position
u, v = x*cw, (y+st)*ch
# draw character
dc.DrawBitmap(self.CS.get(c, 'emp'), u, v)
# draw line
# x = 0 # empty line jumps straight to else case
for x, c in enumerate(line[X:]+'¶'):
# check for last visible character
if x+sl >= cl-sr: break
# check if character selected
selected = self.isSelected(x+X, y+Y)
# adjust display style
style = 'sel' if selected else 'nrm'
# get screen position
u, v = (x+sl)*cw, (y+st)*ch
# draw character
dc.DrawBitmap(self.CS.get(c, style), u, v)
# draw cursor
self.drawCursor(dc)
# done
dc.SelectObject(NullBitmap)
return
def TestText(bmp, text, x, y, name):
# get reference to bitmap set
b = _printableCharBitmaps[name]
# get characters geometry
cw, ch = b[' '].GetSize()
# create device context
dc = MemoryDC()
# select
dc.SelectObject(bmp)
# draw text
for c in text:
dc.DrawBitmap(b[c], x * cw, y * ch)
x += 1
# release bitmap
dc.SelectObject(NullBitmap)
# done
return
def Start(self):
# define colors
self.colours = {}
self.colours['bkgd'] = Colour(52, 61, 70)
self.colours['text'] = Colour(255, 255, 255)
self.colours['numb'] = Colour(160, 160, 160)
self.colours['sepr'] = Colour(200, 120, 120)
self.colours['selbgd'] = Colour(92, 101, 110)
self.colours['seltxt'] = Colour(255, 255, 255)
# brushes
self.brushes = {}
# normal background
b = Brush()
b.SetStyle(BRUSHSTYLE_SOLID)
b.SetColour(self.colours['bkgd'])
self.brushes['bkgd'] = b
# selected background
b = Brush()
b.SetStyle(BRUSHSTYLE_SOLID)
b.SetColour(self.colours['selbgd'])
self.brushes['selbgd'] = b
# pens
self.pens = {}
p = Pen()
p.SetColour(self.colours['sepr'])
p.SetWidth(1)
p.SetStyle(PENSTYLE_SOLID)
self.pens['sepr'] = p
# create device context to work on bitmaps
dc = MemoryDC()
# define font
self.fonts = {}
f = Font()
f.SetFamily(FONTFAMILY_ROMAN)
f.SetFaceName("Monospace")
f.SetEncoding(FONTENCODING_DEFAULT)
f.SetStyle(FONTSTYLE_NORMAL)
f.SetWeight(FONTWEIGHT_NORMAL)
f.SetUnderlined(False)
f.SetPointSize(10)
self.fonts['monospace'] = f
# select font
f = 'monospace'
# get font size
dc.SetFont(self.fonts[f])
w, h = dc.GetTextExtent(' ')
# build character dictionary
self.rawChars = {}
# standard printable ascii table
for c in range(32, 126):
self.rawChars[chr(c)] = None
# extra characters (UK)
self.rawChars['£'] = None
# save character size
self.rawChars['Size'] = w, h
# set background color
dc.SetBackground(self.brushes['bkgd'])
# build characters bitmaps
for C in self.rawChars.keys():
if C == 'Size': continue
# instanciate character bitmap
self.rawChars[C] = Bitmap(w, h, BITMAP_SCREEN_DEPTH)
# select bitmap
dc.SelectObject(self.rawChars[C])
# clear bitmap
dc.Clear()
# set text color
dc.SetTextForeground(self.colours['text'])
# draw character shape and color
dc.DrawText(C, 0, 0)
# done
dc.SelectObject(NullBitmap)
# build selected dictionary
self.selChars = {}
# standard printable ascii table
for c in range(32, 126):
self.selChars[chr(c)] = None
# extra characters (UK)
self.selChars['£'] = None
# save character size
self.selChars['Size'] = w, h
# set background color
dc.SetBackground(self.brushes['selbgd'])
# build selected bitmaps
for C in self.selChars.keys():
if C == 'Size': continue
# instanciate character bitmap
self.selChars[C] = Bitmap(w, h, BITMAP_SCREEN_DEPTH)
# select bitmap
dc.SelectObject(self.selChars[C])
# clear bitmap
dc.Clear()
# set text color
dc.SetTextForeground(self.colours['seltxt'])
# draw character shape and color
dc.DrawText(C, 0, 0)
# done
dc.SelectObject(NullBitmap)
# create bitmap buffer display and clear buffer
self.bitmapBuffer = Bitmap(
128 * w, # bitmap width
10 * h, # bitmap height
BITMAP_SCREEN_DEPTH) # bitmap depth
dc.SelectObject(self.bitmapBuffer)
dc.SetBackground(self.brushes['bkgd'])
dc.Clear()
dc.SelectObject(NullBitmap)
# reference BackgroundBitmap to bitmapBuffer
self.Panel.BackgroundBitmap = self.bitmapBuffer
# adjust frame position
scrw, scrh = 3840, 1200 # screen size
w, h = self.Panel.BackgroundBitmap.GetSize()
self.Frame.SetPosition(Point(scrw / 4 - 128 * 8 / 2, 800))
# draw text string
dc.SelectObject(self.bitmapBuffer)
t = list("hello")
# select buffer
# draw text
X = 0
w, h = self.rawChars['Size']
for c in t:
dc.DrawBitmap(self.rawChars[c], X, 0)
X += w
t = list("World!")
# select buffer
# draw text
X = 0
w, h = self.selChars['Size']
for c in t:
dc.DrawBitmap(self.selChars[c], X, h)
X += w
# release bitmap
dc.SelectObject(NullBitmap)
# done
return