def handle_pen_down(self, x, y):
if y <= self.color_picker_y:
idx = x * len(self.colors) // Grx.get_width()
self.fg_color = self.colors[self.color_lookup[idx]]
else:
self.pen_x, self.pen_y = x, y
self.pen_down = True
Grx.draw_pixel(self.pen_x, self.pen_y, self.fg_color)
def handle_pen_down(self, x, y):
if y <= self.color_picker_y:
idx = x * len(self.colors) // Grx.get_width()
self.fg_color = self.colors[self.color_lookup[idx]]
else:
self.pen_x, self.pen_y = x, y
self.pen_down = True
Grx.draw_pixel(self.pen_x, self.pen_y, self.fg_color)
def activate(app):
w = Grx.get_width()
colors = Grx.color_get_ega_colors()
smile = demo.get_smiley_pixmap(32, 32)
# draw the full width of the screen
for x in range(0, w, 3):
# draw a band with colored pixels
for y in range(10, 30, 2):
Grx.draw_pixel(x + y % 3, y, colors[(y - 1) % 16])
# draw a band with pixels from a pixmap
for y in range(40, 60, 2):
Grx.draw_filled_pixel_with_pixmap(x + y % 3, y, smile)
# draw a band with pixels from a pixmap, but offset this time
for y in range(70, 90, 2):
Grx.draw_pixel_with_offset_pixmap(16, 0, x + y % 3, y, smile)
def do_event(self, event):
if Grx.Application.do_event(self, event):
return True
t = event.type
if t in (Grx.EventType.KEY_DOWN, Grx.EventType.KEY_UP):
key_event = event.key
print("key keysym", key_event.keysym)
print("key unichar", key_event.unichar)
print("key code", key_event.code)
print("modifiers", key_event.modifiers)
if key_event.keysym in (Grx.Key.LCASE_Q, Grx.Key.BACK_SPACE,
Grx.Key.ESCAPE):
self.quit()
elif t in (Grx.EventType.BUTTON_PRESS, Grx.EventType.BUTTON_RELEASE):
button_event = event.button
print("button", button_event.button)
print("modifiers", button_event.modifiers)
Grx.clear_screen(Grx.color_get_black())
elif t == Grx.EventType.BUTTON_DOUBLE_PRESS:
button_event = event.button
print("button double-press", button_event.button)
print("modifiers", button_event.modifiers)
elif t == Grx.EventType.TOUCH_DOWN:
touch_event = event.touch
Grx.draw_pixel(touch_event.x, touch_event.y, self.color)
self.last_touch = (touch_event.x, touch_event.y)
print("touch", touch_event.x, touch_event.y)
print("modifiers", touch_event.modifiers)
elif t == Grx.EventType.TOUCH_MOTION:
touch_event = event.touch
Grx.draw_line(self.last_touch[0], self.last_touch[1],
touch_event.x, touch_event.y, self.color)
self.last_touch = (touch_event.x, touch_event.y)
else:
return False
return True
def do_event(self, event):
if Grx.Application.do_event(self, event):
return True
t = event.type
if t in (Grx.EventType.KEY_DOWN, Grx.EventType.KEY_UP):
key_event = event.key
print("key keysym", key_event.keysym)
print("key unichar", key_event.unichar)
print("key code", key_event.code)
print("modifiers", key_event.modifiers)
if key_event.keysym in (Grx.Key.LCASE_Q, Grx.Key.BACK_SPACE, Grx.Key.ESCAPE):
self.quit()
elif t in (Grx.EventType.BUTTON_PRESS, Grx.EventType.BUTTON_RELEASE):
button_event = event.button
print("button", button_event.button)
print("modifiers", button_event.modifiers)
Grx.clear_screen(Grx.color_get_black())
elif t == Grx.EventType.BUTTON_DOUBLE_PRESS:
button_event = event.button
print("button double-press", button_event.button)
print("modifiers", button_event.modifiers)
elif t == Grx.EventType.TOUCH_DOWN:
touch_event = event.touch
Grx.draw_pixel(touch_event.x, touch_event.y, self.color)
self.last_touch = (touch_event.x, touch_event.y)
print("touch", touch_event.x, touch_event.y)
print("modifiers", touch_event.modifiers)
elif t == Grx.EventType.TOUCH_MOTION:
touch_event = event.touch
Grx.draw_line(self.last_touch[0], self.last_touch[1], touch_event.x, touch_event.y, self.color)
self.last_touch = (touch_event.x, touch_event.y)
else:
return False
return True