def OnPaint(self):
if not self._win_paint_broken:
try:
win = self._win
dc, ps = win.BeginPaint()
try:
win_update_rect = ps[2]
if not empty_rect(win_update_rect):
#print "DrawableContainer.OnPaint: win_update_rect =", win_update_rect ###
scroll_offset = self._win_scroll_offset()
view_update_rect = offset_rect(win_update_rect, scroll_offset)
if self._double_buffer:
dx, dy = rect_topleft(view_update_rect)
width, height = rect_size(view_update_rect)
buffer = gdi.Bitmap(width, height)
canvas = Canvas._from_win_image(buffer)
canvas.translate(-dx, -dy)
self.draw(canvas, view_update_rect)
graphics = gdi.Graphics.from_dc(dc)
src_rect = (0, 0, width, height)
graphics.DrawImage_rr(buffer, win_update_rect, src_rect)
else:
self._win_prepare_dc(dc)
canvas = Canvas._from_win_dc(dc)
self.draw(canvas, view_update_rect)
finally:
win.EndPaint(ps)
except Exception:
self._win_paint_broken = True
raise
def OnPaint(self):
if not self._win_paint_broken:
try:
win = self._win
dc, ps = win.BeginPaint()
try:
win_update_rect = ps[2]
if not empty_rect(win_update_rect):
#print "DrawableContainer.OnPaint: win_update_rect =", win_update_rect ###
scroll_offset = self._win_scroll_offset()
view_update_rect = offset_rect(win_update_rect,
scroll_offset)
if self._double_buffer:
dx, dy = rect_topleft(view_update_rect)
width, height = rect_size(view_update_rect)
#GDIPlus draw large image in very bad performance
#use GDI instead
#buffer = gdi.Bitmap(width, height)
#canvas = Canvas._from_win_image(buffer)
#canvas.translate(-dx, -dy)
#self.draw(canvas, view_update_rect)
#graphics = gdi.Graphics.from_dc(dc)
#src_rect = (0, 0, width, height)
#graphics.DrawImage_rr(buffer, win_update_rect, src_rect)
c_dc = dc.CreateCompatibleDC(dc)
c_dm = ui.CreateBitmap()
c_dm.CreateCompatibleBitmap(dc, width, height)
old = c_dc.SelectObject(c_dm)
c_dc.SetViewportOrg((-dx, -dy))
canvas = Canvas._from_win_dc(c_dc)
self.draw(canvas, view_update_rect)
l, t = rect_topleft(win_update_rect)
dc.BitBlt((l, t), (width, height), c_dc, (0, 0),
win32con.SRCCOPY)
c_dc.SelectObject(old)
else:
self._win_prepare_dc(dc)
canvas = Canvas._from_win_dc(dc)
self.draw(canvas, view_update_rect)
finally:
win.EndPaint(ps)
except Exception:
self._win_paint_broken = True
raise
def with_canvas(self, proc): NSGraphicsContext.__class__.saveGraphicsState() NSGraphicsContext.setCurrentContext_(self._ns_graphics_context) try: canvas = Canvas() proc(canvas) finally: NSGraphicsContext.__class__.restoreGraphicsState()
def with_canvas(self, body):
win = self._win
dc = win.GetDC()
self._win_prepare_dc(dc)
try:
canvas = Canvas._from_win_dc(dc)
body(canvas)
finally:
win.ReleaseDC(dc)
def _gtk_expose_event_signal(self, gtk_event):
try:
#print "View._gtk_expose_event_signal:", self ###
l, t, w, h = gtk_event.area
clip = (l, t, l + w, t + h)
#print "...clip =", clip ###
gtk_layout = self._gtk_inner_widget
canvas = Canvas._from_gdk_drawable(gtk_layout.bin_window)
update = self._draw_background(canvas, clip)
self.draw(canvas, update)
except:
print "------------------ Exception while drawing ------------------"
traceback.print_exc()
def _gtk_expose_event_signal(self, gtk_event):
try:
#print "View._gtk_expose_event_signal:", self ###
l, t, w, h = gtk_event.area
clip = (l, t, l + w, t + h)
#print "...clip =", clip ###
gtk_layout = self._gtk_inner_widget
canvas = Canvas._from_gdk_drawable(gtk_layout.bin_window)
update = self._draw_background(canvas, clip)
self.draw(canvas, update)
except:
print "------------------ Exception while drawing ------------------"
traceback.print_exc()
def print_view(self, page_setup, prompt=True):
paginator = Paginator(self, page_setup)
psd = page_setup._win_psd
pd = wp.PRINTDLG()
pd.hDevMode = psd.hDevMode
pd.hDevNames = psd.hDevNames
pd.nMinPage = 1
pd.nMaxPage = paginator.num_pages
pd.nCopies = 1
if wp.PrintDlg(pd):
title = self.print_title
di = wp.DOCINFO()
di.lpszDocName = title
devnames = wps.DevNames(psd.hDevNames)
if devnames.output == "FILE:":
from FileDialogs import request_new_file
f = request_new_file("Print '%s' to file:" % title)
if not f:
return
output_path = f.path
di.lpszOutput = output_path
try:
hdc = pd.hDC
dx, dy = wp.GetPrintingOffset(hdc)
print "TODO: Printable: Implement a Cancel dialog" ###
#wp.install_abort_proc(hdc)
wp.StartDoc(hdc, di)
for page_num in xrange(pd.nFromPage - 1, pd.nToPage):
wp.StartPage(hdc)
canvas = Canvas._from_win_hdc(hdc, for_printing=True)
canvas.translate(-dx, -dy)
paginator.draw_page(canvas, page_num)
wp.EndPage(hdc)
wp.EndDoc(hdc)
finally:
wp.DeleteDC(hdc)
def print_view(self, page_setup, prompt = True):
paginator = Paginator(self, page_setup)
psd = page_setup._win_psd
pd = wp.PRINTDLG()
pd.hDevMode = psd.hDevMode
pd.hDevNames = psd.hDevNames
pd.nMinPage = 1
pd.nMaxPage = paginator.num_pages
pd.nCopies = 1
if wp.PrintDlg(pd):
title = self.print_title
di = wp.DOCINFO()
di.lpszDocName = title
devnames = wps.DevNames(psd.hDevNames)
if devnames.output == "FILE:":
from FileDialogs import request_new_file
f = request_new_file("Print '%s' to file:" % title)
if not f:
return
output_path = f.path
di.lpszOutput = output_path
try:
hdc = pd.hDC
dx, dy = wp.GetPrintingOffset(hdc)
print "TODO: Printable: Implement a Cancel dialog" ###
#wp.install_abort_proc(hdc)
wp.StartDoc(hdc, di)
for page_num in xrange(pd.nFromPage - 1, pd.nToPage):
wp.StartPage(hdc)
canvas = Canvas._from_win_hdc(hdc, for_printing = True)
canvas.translate(-dx, -dy)
paginator.draw_page(canvas, page_num)
wp.EndPage(hdc)
wp.EndDoc(hdc)
finally:
wp.DeleteDC(hdc)
def draw_page(_, gtk_print_context, page_num):
cairo_context = gtk_print_context.get_cairo_context()
canvas = Canvas._from_cairo_context(cairo_context)
paginator.draw_page(canvas, page_num)
def drawRect_(self, ns_rect):
(l, t), (w, h) = ns_rect
rect = (l, t, l + w, t + h)
self.pygui_component.draw(Canvas(), rect)
def with_canvas(self, proc):
ns_view = self._ns_view
ns_view.lockFocus()
proc(Canvas())
ns_view.unlockFocus()
def with_canvas(self, proc):
canvas = Canvas._from_gdk_drawable(self._gdk_pixmap)
canvas.backcolor = clear
proc(canvas)
def with_canvas(self, proc):
hadj, vadj = self._gtk_adjustments()
clip = rect_sized((hadj.value, vadj.value), self.size)
canvas = Canvas._from_gdk_drawable(self._gtk_inner_widget.bin_window)
proc(canvas)
def with_canvas(self, proc):
proc(Canvas._from_win_image(self._win_image))
def with_canvas(self, proc):
hadj, vadj = self._gtk_adjustments()
clip = rect_sized((hadj.value, vadj.value), self.size)
canvas = Canvas._from_gdk_drawable(self._gtk_inner_widget.bin_window)
proc(canvas)
def with_canvas(self, proc):
canvas = Canvas._from_gdk_drawable(self._gdk_pixmap)
canvas.backcolor = clear
proc(canvas)
