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tga_encoder
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Use keys with truthy values in features table 

If the features table uses keys with truthy values, it is easy to check
for the presence of some feature by checking if the corresponding table
entry (e.g. “tga_encoder.features.color_format.A1R5G5B5”) is truthy.
This commit is contained in:
Nils Dagsson Moskopp 2023-11-27 23:06:49 +01:00
parent e329052c7f
commit e599c9fe83
Signed by: erlehmann
GPG Key ID: A3BC671C35191080
2 changed files with 13 additions and 13 deletions
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16
init.lua
View File

@ -2,20 +2,20 @@ tga_encoder = {}
tga_encoder.features = {}
tga_encoder.features.color_format = {
"A1R5G5B5",
"B8G8R8",
"B8G8R8A8",
"Y8",
["A1R5G5B5"] = true,
["B8G8R8"] = true,
["B8G8R8A8"] = true,
["Y8"] = true,
}
tga_encoder.features.colormap = {
}
tga_encoder.features.compression = {
"RAW",
"RLE",
["RAW"] = true,
["RLE"] = true,
}
tga_encoder.features.scanline_order = {
"bottom-top",
"top-bottom",
["bottom-top"] = true,
["top-bottom"] = true,
}
local image = setmetatable({}, {

10
tools/generate_test_textures.lua
View File

@ -60,11 +60,11 @@ local colormap_by_color_format = {
["B8G8R8A8"] = colormap_32bpp,
}
for _, color_format in ipairs(
for color_format, _ in pairs(
tga_encoder.features.color_format
) do
if ("Y8" ~= color_format) then
for _, scanline_order in ipairs(
for scanline_order, _ in pairs(
tga_encoder.features.scanline_order
) do
local filename
@ -167,13 +167,13 @@ local pixels_by_scanline_order_by_color_format = {
["Y8"] = pixels_rgb_by_scanline_order,
}
for _, color_format in ipairs(
for color_format, _ in pairs(
tga_encoder.features.color_format
) do
local pixels_by_scanline_order = pixels_by_scanline_order_by_color_format[
color_format
]
for _, compression in ipairs(
for compression, _ in pairs(
tga_encoder.features.compression
) do
local tga_type
@ -192,7 +192,7 @@ for _, color_format in ipairs(
"Y8" == color_format and
"RLE" == compression
) then
for _, scanline_order in ipairs(
for scanline_order, _ in pairs(
tga_encoder.features.scanline_order
) do
local filename = "type" .. tga_type ..