def center(self, x, y, coord='win'):
if coord=='data':
x,y = self.to_panel_coor(x, y)
dx = (self.winbox[2]-self.winbox[0])/2 - x
dy = (self.winbox[3]-self.winbox[1])/2 - y
for i,j in zip((0,1,2,3),(dx,dy,dx,dy)):
self.conbox[i] += j
lay(self.winbox, self.conbox)
def zoom(self, k, x, y, coord='win'):
if coord=='data':
x,y = self.to_panel_coor(x, y)
if self.up: y = (self.winbox[3]-self.winbox[1]) - y
box = np.array(self.conbox).reshape((2,2))
box = (box - (x,y)) / self.scale * k + (x, y)
self.conbox = box.ravel().tolist()
if not self.autofit: return
a,b,c,d = self.conbox
if c-a<self.scrbox[0]*0.9 and d-b<self.scrbox[1]*0.9:
self.SetInitialSize((c-a+4, d-b+4))
lay(self.winbox, self.conbox)
self.GetParent().Fit()
def fit(self):
self.update_box()
oriw = self.oribox[2]-self.oribox[0]
orih = self.oribox[3]-self.oribox[1]
if not self.autofit: a,b,c,d = self.winbox
else:
(a,b),(c,d) = (0,0), self.scrbox
c, d = c*0.9, d*0.9
if not self.ingrade:
for i in self.scales[6::-1]:
if oriw*i<c-a and orih*i<d-b: break
self.scaidx = self.scales.index(i)
else: i = min((c-a)*0.9/oriw, (d-b)*0.9/orih)
self.zoom(i, 0, 0)
lay(self.winbox, self.conbox)
self.update()
def initBuffer(self):
box = self.GetClientSize()
self.buffer = wx.Bitmap(*box)
self.winbox = [0, 0, *box]
lay(self.winbox, self.conbox)