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#!/usr/bin/python3
import pykms
import time
import random
card = pykms.Card()
res = pykms.ResourceManager(card)
conn = res.reserve_connector("hdmi")
crtc = res.reserve_crtc(conn)
plane = res.reserve_overlay_plane(crtc)
mode = conn.get_default_mode()
#mode = conn.get_mode(1920, 1080, 60, False)
# Blank framefuffer for primary plane
fb0 = pykms.DumbFramebuffer(card, mode.hdisplay, mode.vdisplay, "AR24");
crtc.set_mode(conn, fb0, mode)
# Initialize framebuffer for the scaled plane
fbX = 1920
fbY = 1080
fb = pykms.DumbFramebuffer(card, fbX, fbY, "RG16");
pykms.draw_test_pattern(fb);
# Plane's scaled size and size increments
W = 72
H = 54
Winc = 1
Hinc = 1
# Plane's position and position increments
X = 0
Y = 0
Xinc = 1
Yinc = 1
while True:
print("+%d+%d %dx%d" % (X, Y, W, H))
crtc.set_plane(plane, fb, X, Y, W, H, 0, 0, fbX, fbY)
W = W + Winc
H = H + Hinc
if (Winc == 1 and W >= mode.hdisplay - X):
Winc = -1
if (Winc == -1 and W <= fbX/32):
Winc = 1
if (Hinc == 1 and H >= mode.vdisplay - Y):
Hinc = -1
if (Hinc == -1 and H <= fbY/32):
Hinc = 1
X = X + Xinc
Y = Y + Yinc
if (Xinc == 1 and X >= mode.hdisplay - W):
Xinc = -1
if (Xinc == -1 and X <= 0):
Xinc = 1
if (Yinc == 1 and Y >= mode.vdisplay - H):
Yinc = -1
if (Yinc == -1 and Y <= 0):
Yinc = 1
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