def __init__(self, **kwargs):
self.size = kwargs.get('size', (32, 32))
self.pattern = kwargs.get('pattern', 'hsv')
self.datatype = kwargs.get('datatype', chr)
self.arraytype = datatype_map[self.datatype]['array']
self.oglbuffertype = datatype_map[self.datatype]['ogl']
self.color_format = kwargs.get('color_format', 'rgb')
self.update_threads = collections.deque()
self.threaded_updater = ThreadedUpdater(
job_complete_cb=self.on_threaded_job_complete)
self.threaded_updater.start()
self.grid = PixelGrid(size=self.size)
self.build_texture()
self.build_pattern()
self.blit_texture()
def __init__(self, **kwargs):
self.size = kwargs.get('size', (32, 32))
self.pattern = kwargs.get('pattern', 'hsv')
self.datatype = kwargs.get('datatype', chr)
self.arraytype = datatype_map[self.datatype]['array']
self.oglbuffertype = datatype_map[self.datatype]['ogl']
self.color_format = kwargs.get('color_format', 'rgb')
self.update_threads = collections.deque()
self.threaded_updater = ThreadedUpdater(job_complete_cb=self.on_threaded_job_complete)
self.threaded_updater.start()
self.grid = PixelGrid(size=self.size)
self.build_texture()
self.build_pattern()
self.blit_texture()
class TextureObj(object):
hsv_keys = ['hue', 'sat', 'val']
def __init__(self, **kwargs):
self.size = kwargs.get('size', (32, 32))
self.pattern = kwargs.get('pattern', 'hsv')
self.datatype = kwargs.get('datatype', chr)
self.arraytype = datatype_map[self.datatype]['array']
self.oglbuffertype = datatype_map[self.datatype]['ogl']
self.color_format = kwargs.get('color_format', 'rgb')
self.update_threads = collections.deque()
self.threaded_updater = ThreadedUpdater(job_complete_cb=self.on_threaded_job_complete)
self.threaded_updater.start()
self.grid = PixelGrid(size=self.size)
self.build_texture()
self.build_pattern()
self.blit_texture()
def unlink(self):
self.threaded_updater.stop(blocking=True)
def add_update_job(self, cb, **kwargs):
self.threaded_updater.add_job(cb, **kwargs)
def on_threaded_job_complete(self, *args, **kwargs):
KivyClock.schedule_once(self.blit_texture, 0)
def build_pattern(self, cb=None):
if cb is not None:
pass
elif self.pattern == 'hsv':
cb = self.build_hsv_pattern
elif self.pattern == 'rgb':
cb = self.build_rgb_pattern
else:
return
self.add_update_job(cb)
def build_texture(self):
self._texture = kivy.graphics.texture.Texture.create(size=self.size, colorfmt=self.color_format)
def find_pixel_from_hsv(self, hsv):
l = self.grid.find_pixels_from_hsv(hsv)
if not len(l):
return False
return l[0]
def setattr_all_pixels(self, **kwargs):
self.add_update_job(self.grid.setattr_all_pixels, **kwargs)
#self.grid.setattr_all_pixels(**kwargs)
#self.blit_texture()
def build_hsv_pattern(self, hue=0.):
for y, row in enumerate(self.grid.pixels):
for x, pixel in enumerate(row):
pixel.hue = hue
pixel.sat = y / float(self.grid.num_rows)
pixel.val = x / float(self.grid.num_cols)
#pixel.set_hsv(hue=hue, sat=y / float(self.grid.num_rows), val=x / float(self.grid.num_cols))
def build_rgb_pattern(self):
for y, row in enumerate(self.grid.pixels):
for x, pixel in enumerate(row):
pixel.red = y * 255. / self.grid.num_rows
pixel.green = (y * -255. / self.grid.num_rows) + 255
pixel.blue = x * 255. / self.grid.num_cols
def resize(self, **kwargs):
size = kwargs.get('size')
size = [int(f) for f in size]
if size == self.size:
return
self.grid.resize(size=size)
self.size = size
self.build_texture()
self.build_test_pattern()
def blit_texture(self, *args, **kwargs):
a = self.grid.get_ogl_pixel_data(color_format=self.color_format, arraytype=self.arraytype)
bfr = a.tostring()
self._texture.blit_buffer(bfr, colorfmt=self.color_format, bufferfmt=self.oglbuffertype)
class TextureObj(object):
hsv_keys = ['hue', 'sat', 'val']
def __init__(self, **kwargs):
self.size = kwargs.get('size', (32, 32))
self.pattern = kwargs.get('pattern', 'hsv')
self.datatype = kwargs.get('datatype', chr)
self.arraytype = datatype_map[self.datatype]['array']
self.oglbuffertype = datatype_map[self.datatype]['ogl']
self.color_format = kwargs.get('color_format', 'rgb')
self.update_threads = collections.deque()
self.threaded_updater = ThreadedUpdater(
job_complete_cb=self.on_threaded_job_complete)
self.threaded_updater.start()
self.grid = PixelGrid(size=self.size)
self.build_texture()
self.build_pattern()
self.blit_texture()
def unlink(self):
self.threaded_updater.stop(blocking=True)
def add_update_job(self, cb, **kwargs):
self.threaded_updater.add_job(cb, **kwargs)
def on_threaded_job_complete(self, *args, **kwargs):
KivyClock.schedule_once(self.blit_texture, 0)
def build_pattern(self, cb=None):
if cb is not None:
pass
elif self.pattern == 'hsv':
cb = self.build_hsv_pattern
elif self.pattern == 'rgb':
cb = self.build_rgb_pattern
else:
return
self.add_update_job(cb)
def build_texture(self):
self._texture = kivy.graphics.texture.Texture.create(
size=self.size, colorfmt=self.color_format)
def find_pixel_from_hsv(self, hsv):
l = self.grid.find_pixels_from_hsv(hsv)
if not len(l):
return False
return l[0]
def setattr_all_pixels(self, **kwargs):
self.add_update_job(self.grid.setattr_all_pixels, **kwargs)
#self.grid.setattr_all_pixels(**kwargs)
#self.blit_texture()
def build_hsv_pattern(self, hue=0.):
for y, row in enumerate(self.grid.pixels):
for x, pixel in enumerate(row):
pixel.hue = hue
pixel.sat = y / float(self.grid.num_rows)
pixel.val = x / float(self.grid.num_cols)
#pixel.set_hsv(hue=hue, sat=y / float(self.grid.num_rows), val=x / float(self.grid.num_cols))
def build_rgb_pattern(self):
for y, row in enumerate(self.grid.pixels):
for x, pixel in enumerate(row):
pixel.red = y * 255. / self.grid.num_rows
pixel.green = (y * -255. / self.grid.num_rows) + 255
pixel.blue = x * 255. / self.grid.num_cols
def resize(self, **kwargs):
size = kwargs.get('size')
size = [int(f) for f in size]
if size == self.size:
return
self.grid.resize(size=size)
self.size = size
self.build_texture()
self.build_test_pattern()
def blit_texture(self, *args, **kwargs):
a = self.grid.get_ogl_pixel_data(color_format=self.color_format,
arraytype=self.arraytype)
bfr = a.tostring()
self._texture.blit_buffer(bfr,
colorfmt=self.color_format,
bufferfmt=self.oglbuffertype)