def make_nparrays(outfile, paint, pixel_width, pixel_height, count, channels=3):
'''
Create a set of PNG files using numpy
:param outfile: Name of output file
:param paint: the paint function
:param pixel_width: width in pixels, int
:param pixel_height: height in pixels, int
:param count: number of frames to create
:param channels: 1 for greyscale, 3 for rgb, 4 for rgba
:return:
'''
frames = make_nparray_frames(paint, pixel_width, pixel_height, count, channels)
save_frames(outfile, frames)
from generativepy.movie import save_frames
from generativepy.drawing import make_image_frames
from generativepy.color import Color
'''
Create a simple movie of 20 frames
The frames will be stored as PNG images in /tmp with names
- movie00000000.pngmake_image_frames
- movie00000001.png
- movie00000002.png
- etc
'''
def draw(ctx, width, height, frame_no, frame_count):
ctx.set_source_rgba(*Color(1).rgba)
ctx.paint()
# Draw a rectangle.
# It's position changes for each frame.
ctx.set_source_rgba(*Color(0.5, 0, 0).rgba)
ctx.rectangle(50+20*frame_no, 50+10*frame_no, 100, 100)
ctx.fill()
frames = make_image_frames(draw, 500, 350, 20)
save_frames("/tmp/movie", frames)
from generativepy.bitmap import make_bitmap_frames
from generativepy.movie import save_frames
from generativepy.color import Color
from PIL import ImageDraw
from generativepy.utils import temp_file
'''
Create a simple bitmap image
'''
def paint(image, pixel_width, pixel_height, frame_no, frame_count):
draw = ImageDraw.Draw(image)
draw.rectangle((60, 10 + frame_no * 30, 300, 150 + frame_no * 30),
fill=Color("tomato").as_rgbstr())
frames = make_bitmap_frames(paint, 500, 300, 4)
save_frames(temp_file("simple-make-bitmap-frames.png"), frames)
from generativepy.nparray import make_nparray_frames
from generativepy.movie import save_frames
from generativepy.utils import temp_file
'''
make_nparray_frames example
'''
def paint(array, pixel_width, pixel_height, frame_no, frame_count):
array[10+frame_no*30:150+frame_no*30, 60:300] = [255, 128, 0]
frames = make_nparray_frames(paint, 500, 300, 4)
save_frames(temp_file("simple-make-nparray-frames.png"), frames)
from generativepy.color import Color
from generativepy.utils import temp_file
'''
Illustrates simple use of make_image_frame
'''
def draw(ctx, pixel_width, pixel_height, frame_no, frame_count):
setup(ctx, pixel_width, pixel_height, width=5, background=Color(0.4))
ctx.set_source_rgba(*Color(0.5, 0, 0))
ctx.rectangle(0.5, 0.5, 2.5, 1.5)
ctx.fill()
ctx.set_source_rgba(*Color(0, 0.75, 0, 0.5))
ctx.rectangle(2, 0.25, 2.5, 1)
ctx.fill()
text(ctx,
"simple-make-image-frames {} {}".format(frame_no, frame_count),
1,
3,
size=0.2,
color=Color('cadetblue'),
font='Arial')
frames = make_image_frames(draw, 500, 400, 4)
save_frames(temp_file("simple-make-image-frames.png"), frames)