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@@ -8,11 +8,11 @@ epd_resolution = [600, 448] |
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epd_colormap = [ |
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[0x00, 0x00, 0x00], # black |
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[0xff, 0xff, 0xff], # white |
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[0x00, 0xdd, 0x00], # green |
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[0x00, 0x90, 0x10], # green |
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[0x00, 0x00, 0xee], # blue |
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[0x00, 0xdd, 0x00], # red |
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[0xff, 0x00, 0x00], # red |
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[0xff, 0xdd, 0x00], # yellow |
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[0xff, 0x88, 0x00], # orange |
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[0xff, 0x77, 0x00], # orange |
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] |
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images = ["lambo.bmp", "fallout.bmp", "nasa.bmp"] |
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@@ -32,17 +32,17 @@ def draw_image(filename): |
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offset_y = 0 |
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color_map = {} |
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def header_callback(header): |
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print("header callback: ", str(header)) |
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#print("header callback: ", str(header)) |
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global epd_resolution |
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global offset_x, offset_y |
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w = header[0] |
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h = header[1] |
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offset_x = (epd_resolution[0] - w)//2 |
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offset_y = (epd_resolution[1] - h)//2 |
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print("offset: ", offset_x, offset_y) |
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def pixel_callback(x, y, color): |
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global epd |
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global epd_colormap |
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global offset_x, offset_y |
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# translate color to color index |
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color_index = 0 |
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color_key = color[0] + color[1] << 8 + color[2] << 16 |
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@@ -59,18 +59,11 @@ def draw_image(filename): |
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if score < best_score: |
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best_score = score |
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best_index = index |
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if score < 20: |
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if score < 10: |
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break |
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color_index = best_index |
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color_map[color_key] = color_index |
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# hack directly into the 4-bit color buffer instead of: |
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# epd.pixel(offset_x + x, offset_y + y, color_to_index(color)) |
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buffer_pos = (offset_x + x + (offset_y + y) * epd_resolution[0]) |
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buffer_index = buffer_pos // 2 |
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if buffer_pos % 2 == 1: |
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buffer_pos = buffer_pos << 4 |
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epd.buffer[buffer_index] = color_index |
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epd.pixel(offset_x + x, offset_y + y, color_index) |
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def pixel_row_callback(x, y, colors): |
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pass |
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#global epd |
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