jaseg/matelight
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Niiiice glitch art...

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This commit is contained in:
jaseg 2014-02-17 01:53:08 +01:00
parent 18fd12e916
commit ec0233f756
5 changed files with 35 additions and 44 deletions
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7
host/main.c
View file

@ -20,7 +20,6 @@
void free_framebuffer(framebuffer_t *fb){
printf("Freeing %lx and %lx\n", fb->data, fb);
free(fb->data);
free(fb);
}
@ -303,20 +302,16 @@ framebuffer_t *framebuffer_render_text(char *s, glyphtable_t *glyph_table){
fb->w = gbufwidth;
fb->h = gbufheight;
fb->data = gbuf;
printf("Returning buffer with w %ld h %ld memory location %lx\n", gbufwidth, gbufheight, gbuf);
return fb;
error:
free(gbuf);
return 0;
}
void console_render_buffer(framebuffer_t *fb){
void console_render_buffer(color_t *data, size_t w, size_t h){
/* Render framebuffer to terminal, two pixels per character using Unicode box drawing stuff */
color_t lastfg = {0, 0, 0}, lastbg = {0, 0, 0};
printf("\e[38;5;0;48;5;0m");
color_t *data = fb->data;
size_t w = fb->w;
size_t h = fb->h;
for(size_t y=0; y < h; y+=2){
for(size_t x=0; x < w; x++){
/* Da magicks: ▀█▄ */

2
host/main.h
View file

@ -5,6 +5,6 @@
#include "font.h"
framebuffer_t *framebuffer_render_text(char *s, glyphtable_t *glyph_table);
void console_render_buffer(framebuffer_t *fb);
void console_render_buffer(color_t *data, size_t w, size_t h);
#endif//__MAIN_H__

31
host/matelight.py
View file

@ -14,22 +14,35 @@ FRAME_SIZE = CRATE_WIDTH*CRATE_HEIGHT*3
dev = usb.core.find(idVendor=0x1cbe, idProduct=0x0003)
def sendframe(framedata):
def sendframe(framedata, index):
""" Send a frame to the display
The argument contains a h * w array of 3-tuples of (r, g, b)-data or 4-tuples of (r, g, b, a)-data where the a
channel is ignored.
"""
for y in range(DISPLAY_HEIGHT):
for x in range(DISPLAY_WIDTH):
r, g, b, _ = framedata[y][x]
print('#' if r > 10 else ' ', end='')
print()
for cx, cy in product(range(CRATES_X), range(CRATES_Y)):
data = [ v for x in range(CRATE_WIDTH) for y in range(CRATE_HEIGHT) for v in framedata[cy*CRATE_HEIGHT + y][cx*CRATE_WIDTH + x][:3] ]
# data = [0,0,0]*CRATE_WIDTH*CRATE_HEIGHT
# for x, y in product(range(CRATE_WIDTH), range(CRATE_HEIGHT)):
# r, g, b, _ = framedata[cy*CRATE_HEIGHT + y][cx*CRATE_WIDTH + x]
# data[x*3 + y*CRATE_WIDTH*3 + 0] = r
# data[x*3 + y*CRATE_WIDTH*3 + 1] = g
# data[x*3 + y*CRATE_WIDTH*3 + 2] = b
# print(r, g, b)
data = [0,0,0]*CRATE_WIDTH*CRATE_HEIGHT
print('CRATE X {} Y {}'.format(cx, cy))
for y in range(CRATE_HEIGHT):
for x in range(CRATE_WIDTH):
r, g, b, _ = framedata[cy*CRATE_HEIGHT + y][cx*CRATE_WIDTH + x]
# import colorsys
# r,g,b = colorsys.hsv_to_rgb(cx*0.1+cy*0.2, 1, 1)
# r,g,b = int(r*255), int(g*255), int(b*255)
#r,g,b = (255,0,255) if cy*CRATES_X+cx == index else (0,0,0)
#print('#' if r > 10 else ' ', end='')
data[x*3 + y*CRATE_WIDTH*3 + 0] = r
data[x*3 + y*CRATE_WIDTH*3 + 1] = g
data[x*3 + y*CRATE_WIDTH*3 + 2] = b
print()
#data = [ v for x in range(CRATE_WIDTH) for y in range(CRATE_HEIGHT) for v in framedata[cy*CRATE_HEIGHT + y][cx*CRATE_WIDTH + x][:3] ]
#data = [ framedata[DISPLAY_WIDTH*3*(cy*CRATE_HEIGHT + y) + 3*(cx*CRATE_WIDTH + x)+c] for x in range(CRATE_WIDTH) for y in range(CRATE_HEIGHT) for c in range(3) ]
data = framedata[cy*CRATE_HEIGHT:(cy+1)*CRATE_HEIGHT, cx*CRATE_WIDTH:(cx+1)*CRATE_WIDTH, :3].flat
if len(data) != FRAME_SIZE:
raise ValueError('Invalid frame data. Expected {} bytes, got {}.'.format(FRAME_SIZE, len(data)))
# Send framebuffer data

27
host/server.py
View file

@ -22,38 +22,21 @@ def render_text(text):
assert unifont
fb = bdf.framebuffer_render_text(bytes(str(text), 'UTF-8'), unifont)
fbd = fb.contents
print('FB STRUCT: w {} h {} memory location {:x}'.format(fbd.w, fbd.h, addressof(fbd.data.contents)))
print("TYPE:", type(fbd.data))
casted = cast(fbd.data, POINTER(c_uint8))
print("CASTED TYPE:" , type(casted))
buf = np.ctypeslib.as_array(cast(fbd.data, POINTER(c_uint8)), shape=(fbd.h, fbd.w, 4))
print('RAW DATA:')
alen = fbd.h*fbd.w
# for i in range(alen):
# c = fbd.data[i]
# print('{:x}'.format(addressof(c)), c.r, c.g, c.b)
print('BUF', buf.shape, buf.dtype)
# for x, y, z in product(range(fbd.h), range(fbd.w), range(4)):
# print(buf[x][y][z])
# Set data pointer to NULL before freeing framebuffer struct to prevent free_framebuffer from also freeing the data
# buffer that is now used by numpy
bdf.console_render_buffer(fb)
fbd.data = cast(c_void_p(), POINTER(COLOR))
bdf.free_framebuffer(fb)
print('Rendered {} chars into a buffer of w {} h {} numpy buf {}'.format(len(text), fbd.w, fbd.h, buf.shape))
return buf
def printframe(fb):
h,w,_ = fb.shape
bdf.console_render_buffer(fb.ctypes.data_as(ctypes.POINTER(ctypes.c_uint8)), w, h)
if __name__ == '__main__':
fb = render_text('foobarbaz');
print('buffer shape {} dtype {}'.format(fb.shape, fb.dtype))
# import colorsys
# h, w, _ = fb.shape
# for x, y in product(range(w), range(h)):
# r,g,b = colorsys.hsv_to_rgb(x*0.03+y*0.05, 1, 1)
# fb[x][y] = (r,g,b,0)
# print(fb)
sendframe(fb)
#printframe(fb)
# printframe(fb)