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🧑‍💻 image2bin --transparency flag

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This commit is contained in:
Scott Lahteine 2024-08-30 12:57:05 -05:00
parent 68a2459808
commit 3d7ac162fb
1 changed files with 22 additions and 12 deletions
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34
buildroot/share/scripts/gen-tft-image.py Normal file → Executable file
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@ -25,41 +25,51 @@
import sys, struct
from PIL import Image
def image2bin(image, output_file):
print(f"Converting image with dimensions {image.size[0]}x{image.size[1]}...")
def image2bin(image, output_file, transparency):
w, h = image.size[0], image.size[1]
print(f"Converting image with dimensions {w}x{h}...")
if output_file.endswith(('.c', '.cpp')):
is_cpp = True
row_sp, item_sp = (" ", "") if w >= 480 else (" ", " ")
row_end, data_end = "\n", "};\n"
f = open(output_file, 'wt')
f.write("const uint16_t image[%d] = {\n" % (image.size[1] * image.size[0]))
f.write("const uint16_t image[%d] = {\n" % (h * w))
else:
is_cpp = False
row_sp, row_end, data_end = b"", b"", b""
f = open(output_file, 'wb')
tcolor, got_tcolor = 0, False
pixs = image.load()
for y in range(image.size[1]):
f.write(" ")
for x in range(image.size[0]):
for y in range(h):
f.write(row_sp)
for x in range(w):
R = pixs[x, y][0] >> 3
G = pixs[x, y][1] >> 2
B = pixs[x, y][2] >> 3
rgb = (R << 11) | (G << 5) | B
if rgb == 0: rgb = 1
if transparency:
if not got_tcolor:
got_tcolor = True
tcolor = rgb # First pixel color is transparent
if rgb == tcolor: rgb = 1 # "color 1" is transparent
if is_cpp:
strHex = " 0x{0:04X},".format(rgb)
strHex = item_sp + "0x{0:04X},".format(rgb)
f.write(strHex)
else:
f.write(struct.pack("B", (rgb & 0xFF)))
f.write(struct.pack("B", (rgb >> 8) & 0xFF))
if is_cpp: f.write("\n")
if is_cpp: f.write("};\n")
f.write(row_end)
f.write(data_end)
f.close()
if len(sys.argv) <= 2:
print("Utility to export a image in Marlin TFT friendly format.")
print("It will dump a raw bin RGB565 image or create a CPP file with an array of 16 bit image pixels.")
print("Usage: gen-tft-image.py INPUT_IMAGE.(png|bmp|jpg) OUTPUT_FILE.(cpp|bin)")
print("Usage: gen-tft-image.py INPUT_IMAGE.(png|bmp|jpg) OUTPUT_FILE.(cpp|bin) [--transparency]")
print("Author: rhapsodyv")
exit(1)
transparency = len(sys.argv) > 3 and sys.argv[3] == "--transparency"
output_img = sys.argv[2]
img = Image.open(sys.argv[1])
image2bin(img, output_img)
image2bin(img, output_img, transparency)