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fxconv: add support for libimg images on fx-9860G

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Lephenixnoir 2020-03-15 12:11:32 +01:00
parent c79b3b1a9d
commit c9dd9fad18
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GPG key ID: 1BBA026E13FC0495
1 changed files with 51 additions and 6 deletions
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57
fxconv/fxconv.py
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@ -108,6 +108,10 @@ CG_PROFILES = [
CgProfile(0x3, "p4", True),
]
# Libimg flags
LIBIMG_FLAG_OWN = 1
LIBIMG_FLAG_RO = 2
#
# Character sets
#
@ -503,6 +507,51 @@ def convert_topti(input, output, params, target):
elf(data, output, "_" + params["name"], **target)
#
# libimg conversion for fx-9860G
#
def convert_libimg_fx(input, output, params, target):
img = Image.open(input)
if img.width >= 65536 or img.height >= 65536:
raise FxconvError(f"'{input}' is too large (max. 65535x65535)")
# Crop image to area
area = Area(params.get("area", {}), img)
img = img.crop(area.tuple())
# Quantize the image. We don't need to check if there is gray; the VRAM
# rendering function for mono output will adjust at runetime
img = quantize(img, dither=False)
code = { FX_WHITE: 0, FX_LIGHT: 1, FX_DARK: 2, FX_BLACK: 3, FX_ALPHA: 4 }
# Encode image as a plain series of pixels
data = bytearray(img.width * img.height)
im = img.load()
i = 0
for y in range(img.height):
for x in range(img.width):
data[i] = code[im[x, y]]
i += 1
assembly = f"""
.section .rodata
.global _{params["name"]}
_{params["name"]}:
.word {img.width}
.word {img.height}
.word {img.width}
.byte {LIBIMG_FLAG_RO}
.byte 0
.long _{params["name"]}_data
"""
dataname = "_{}_data".format(params["name"])
elf(data, output, dataname, assembly=assembly, **target)
#
# libimg conversion for fx-CG 50
#
@ -519,10 +568,6 @@ def convert_libimg_cg(input, output, params, target):
# Encode the image into 16-bit format and force the alpha to 0x0001
encoded, alpha = r5g6b5(img, alpha=(0x0001,0x0000))
w, h, s = img.width, img.height, img.width
FLAG_OWN = 1
FLAG_RO = 2
assembly = f"""
.section .rodata
.global _{params["name"]}
@ -531,7 +576,7 @@ def convert_libimg_cg(input, output, params, target):
.word {img.width}
.word {img.height}
.word {img.width}
.byte {FLAG_RO}
.byte {LIBIMG_FLAG_RO}
.byte 0
.long _{params["name"]}_data
"""
@ -799,7 +844,7 @@ def convert(input, params, target, output=None, model=None):
elif params["type"] == "font":
convert_topti(input, output, params, target)
elif params["type"] == "libimg-image" and model in [ "fx", None ]:
raise FxconvError(f"libimg not yet supported for fx-9860G o(x_x)o")
convert_libimg_fx(input, output, params, target)
elif params["type"] == "libimg-image" and model == "cg":
convert_libimg_cg(input, output, params, target)
else: