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Updates from Paul

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41648 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn
2006-10-05 23:53:44 +00:00
parent b7a0abc732
commit 6f67d53729
4 changed files with 519 additions and 122 deletions
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189
wxPython/demo/PseudoDC.py
View File

@@ -5,12 +5,12 @@ import random
#---------------------------------------------------------------------------
W = 1000
H = 1000
W = 3000
H = 3000
SW = 150
SH = 150
SHAPE_COUNT = 100
MOVING_COUNT = 10
SHAPE_COUNT = 5000
hitradius = 5
#---------------------------------------------------------------------------
@@ -65,66 +65,59 @@ class MyCanvas(wx.ScrolledWindow):
self.Bind(wx.EVT_PAINT, self.OnPaint)
self.Bind(wx.EVT_ERASE_BACKGROUND, lambda x:None)
self.Bind(wx.EVT_MOUSE_EVENTS, self.OnMouse)
# use timer to move one of the objects around
self.timer = wx.Timer()
self.timer.SetOwner(self)
self.Bind(wx.EVT_TIMER, self.OnTimer)
self.timer.Start(50)
self.movingids = random.sample(self.objids, MOVING_COUNT)
self.velocitydict = {}
for id in self.movingids:
vx = random.randint(1,5) * random.choice([-1,1])
vy = random.randint(1,5) * random.choice([-1,1])
self.velocitydict[id] = (vx,vy)
# vars for handling mouse clicks
self.dragid = -1
self.lastpos = (0,0)
def ConvertEventCoords(self, event):
xView, yView = self.GetViewStart()
xDelta, yDelta = self.GetScrollPixelsPerUnit()
return (event.GetX() + (xView * xDelta),
event.GetY() + (yView * yDelta))
def OnTimer(self, event):
# get the current position
xv, yv = self.GetViewStart()
dx, dy = self.GetScrollPixelsPerUnit()
x, y = (xv * dx, yv * dy)
w, h = self.GetClientSizeTuple()
clip = wx.Rect(x,y,w,h)
refreshed = False
for id in self.movingids:
r = self.pdc.GetIdBounds(id)
# get new object position
(vx,vy) = self.velocitydict[id]
x = r.x + vx
y = r.y + vy
# check for bounce
if x < 0:
x = -x
vx = -vx
if x >= W:
x = W - (x - W)
vx = -vx
if y < 0:
y = -y
vy = -vy
if y >= H:
y = H - (y - H)
vy = -vy
self.velocitydict[id] = (vx,vy)
# get change
dx = x - r.x
dy = y - r.y
# translate the object
self.pdc.TranslateId(id, dx, dy)
# redraw
r.x -= 20
if dx < 0:
r.x = x
r.y -= 20
if dy < 0:
r.y = y
r.width += abs(dx) + 40
r.height += abs(dy) + 40
if r.Intersects(clip):
r.x -= clip.x
r.y -= clip.y
refreshed = True
def OffsetRect(self, r):
xView, yView = self.GetViewStart()
xDelta, yDelta = self.GetScrollPixelsPerUnit()
r.OffsetXY(-(xView*xDelta),-(yView*yDelta))
def OnMouse(self, event):
global hitradius
if event.LeftDown():
x,y = self.ConvertEventCoords(event)
#l = self.pdc.FindObjectsByBBox(x, y)
l = self.pdc.FindObjects(x, y, hitradius)
for id in l:
if not self.pdc.GetIdGreyedOut(id):
self.dragid = id
self.lastpos = (event.GetX(),event.GetY())
break
elif event.RightDown():
x,y = self.ConvertEventCoords(event)
#l = self.pdc.FindObjectsByBBox(x, y)
l = self.pdc.FindObjects(x, y, hitradius)
if l:
self.pdc.SetIdGreyedOut(l[0], not self.pdc.GetIdGreyedOut(l[0]))
r = self.pdc.GetIdBounds(l[0])
r.Inflate(4,4)
self.OffsetRect(r)
self.RefreshRect(r, False)
elif event.Dragging() or event.LeftUp():
if self.dragid != -1:
x,y = self.lastpos
dx = event.GetX() - x
dy = event.GetY() - y
r = self.pdc.GetIdBounds(self.dragid)
self.pdc.TranslateId(self.dragid, dx, dy)
r2 = self.pdc.GetIdBounds(self.dragid)
r = r.Union(r2)
r.Inflate(4,4)
self.OffsetRect(r)
self.RefreshRect(r, False)
self.lastpos = (event.GetX(),event.GetY())
if event.LeftUp():
self.dragid = -1
def RandomPen(self):
c = random.choice(colours)
@@ -150,12 +143,12 @@ class MyCanvas(wx.ScrolledWindow):
# wx.PaintDC and then blit the bitmap to it when dc is
# deleted.
dc = wx.BufferedPaintDC(self)
# use PrepateDC to set position correctly
self.PrepareDC(dc)
# we need to clear the dc BEFORE calling PrepareDC
bg = wx.Brush(self.GetBackgroundColour())
dc.SetBackground(bg)
dc.Clear()
# use PrepateDC to set position correctly
self.PrepareDC(dc)
# create a clipping rect from our position and size
# and the Update Region
xv, yv = self.GetViewStart()
@@ -179,26 +172,35 @@ class MyCanvas(wx.ScrolledWindow):
if choice in (0,1):
x = random.randint(0, W)
y = random.randint(0, H)
dc.SetPen(self.RandomPen())
pen = self.RandomPen()
dc.SetPen(pen)
dc.DrawPoint(x,y)
dc.SetIdBounds(id,wx.Rect(x,y,1,1))
r = wx.Rect(x,y,1,1)
r.Inflate(pen.GetWidth(),pen.GetWidth())
dc.SetIdBounds(id,r)
elif choice in (2,3):
x1 = random.randint(0, W-SW)
y1 = random.randint(0, H-SH)
x2 = random.randint(x1, x1+SW)
y2 = random.randint(y1, y1+SH)
dc.SetPen(self.RandomPen())
pen = self.RandomPen()
dc.SetPen(pen)
dc.DrawLine(x1,y1,x2,y2)
dc.SetIdBounds(id,wx.Rect(x1,y1,x2-x1,y2-y1))
r = wx.Rect(x1,y1,x2-x1,y2-y1)
r.Inflate(pen.GetWidth(),pen.GetWidth())
dc.SetIdBounds(id,r)
elif choice in (4,5):
w = random.randint(10, SW)
h = random.randint(10, SH)
x = random.randint(0, W - w)
y = random.randint(0, H - h)
dc.SetPen(self.RandomPen())
pen = self.RandomPen()
dc.SetPen(pen)
dc.SetBrush(self.RandomBrush())
dc.DrawRectangle(x,y,w,h)
dc.SetIdBounds(id,wx.Rect(x,y,w,h))
r = wx.Rect(x,y,w,h)
r.Inflate(pen.GetWidth(),pen.GetWidth())
dc.SetIdBounds(id,r)
self.objids.append(id)
elif choice == 6:
Np = 8 # number of characters in text
@@ -210,10 +212,13 @@ class MyCanvas(wx.ScrolledWindow):
w,h = self.GetFullTextExtent(word)[0:2]
x = random.randint(0, W-w)
y = random.randint(0, H-h)
dc.SetFont(self.GetFont())
dc.SetTextForeground(self.RandomColor())
dc.SetTextBackground(self.RandomColor())
dc.DrawText(word, x, y)
dc.SetIdBounds(id,wx.Rect(x,y,w,h))
r = wx.Rect(x,y,w,h)
r.Inflate(2,2)
dc.SetIdBounds(id, r)
self.objids.append(id)
elif choice == 7:
Np = 8 # number of points per polygon
@@ -232,10 +237,13 @@ class MyCanvas(wx.ScrolledWindow):
poly.append(wx.Point(x,y))
x = random.randint(0, W-SW)
y = random.randint(0, H-SH)
dc.SetPen(self.RandomPen())
pen = self.RandomPen()
dc.SetPen(pen)
dc.SetBrush(self.RandomBrush())
dc.DrawPolygon(poly, x,y)
dc.SetIdBounds(id,wx.Rect(minx+x,miny+y,maxx-minx+x,maxy-miny+y))
r = wx.Rect(minx+x,miny+y,maxx-minx,maxy-miny)
r.Inflate(pen.GetWidth(),pen.GetWidth())
dc.SetIdBounds(id,r)
self.objids.append(id)
elif choice == 8:
w,h = self.bmp.GetSize()
@@ -246,15 +254,42 @@ class MyCanvas(wx.ScrolledWindow):
self.objids.append(id)
dc.EndDrawing()
def ShutdownDemo(self):
self.timer.Stop()
del self.timer
class ControlPanel(wx.Panel):
def __init__(self, parent, id, pos=wx.DefaultPosition,
size=wx.DefaultSize, style = wx.TAB_TRAVERSAL):
wx.Panel.__init__(self,parent,id,pos,size,style)
lbl = wx.StaticText(self, wx.ID_ANY, "Hit Test Radius: ")
lbl2 = wx.StaticText(self, wx.ID_ANY, "Left Click to drag, Right Click to enable/disable")
sc = wx.SpinCtrl(self, wx.ID_ANY, "5")
sc.SetRange(0,100)
global hitradius
sc.SetValue(hitradius)
self.sc = sc
sz = wx.BoxSizer(wx.HORIZONTAL)
sz.Add(lbl,0,wx.EXPAND)
sz.Add(sc,0)
sz.Add(lbl2,0,wx.LEFT,5)
sz.Add((10,10),1,wx.EXPAND)
self.SetSizerAndFit(sz)
sc.Bind(wx.EVT_SPINCTRL,self.OnChange)
sc.Bind(wx.EVT_TEXT,self.OnChange)
def OnChange(self, event):
global hitradius
hitradius = self.sc.GetValue()
#---------------------------------------------------------------------------
def runTest(frame, nb, log):
win = MyCanvas(nb, wx.ID_ANY, log)
return win
pnl = wx.Panel(nb, wx.ID_ANY,size=(200,30))
pnl2 = ControlPanel(pnl,wx.ID_ANY)
win = MyCanvas(pnl, wx.ID_ANY, log)
sz = wx.BoxSizer(wx.VERTICAL)
sz.Add(pnl2,0,wx.EXPAND|wx.ALL,5)
sz.Add(win,1,wx.EXPAND)
pnl.SetSizerAndFit(sz)
return pnl
#---------------------------------------------------------------------------