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Generate TGA type 2 and type 10 test textures using loops

This commit is contained in:
Nils Dagsson Moskopp 2023-10-18 00:27:04 +02:00
parent 619e49d3b7
commit 64d20ccab8
Signed by: erle
GPG Key ID: A3BC671C35191080
1 changed files with 55 additions and 55 deletions
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110
tools/generate_test_textures.lua
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@ -66,7 +66,7 @@ local pixels_grayscale_by_scanline_order = {
} }
local colormap_32bpp = { local colormap_32bpp = {
{ 0, 0, 0, 128 }, { 0, 0, 0, 127 },
{ 255, 0, 0, 255 }, { 255, 0, 0, 255 },
{ 0, 255, 0, 255 }, { 0, 255, 0, 255 },
{ 0, 0, 255, 255 }, { 0, 0, 255, 255 },
@ -131,7 +131,7 @@ for _, color_format in ipairs(
end end
end end
local _ = { 0, 0, 0, 128 } local _ = { 0, 0, 0, 127 }
local R = { 255, 0, 0, 255 } local R = { 255, 0, 0, 255 }
local G = { 0, 255, 0, 255 } local G = { 0, 255, 0, 255 }
local B = { 0, 0, 255, 255 } local B = { 0, 0, 255, 255 }
@ -158,25 +158,10 @@ local pixels_rgba_tb = {
{ _, _, _, _, _, B, _, B, }, { _, _, _, _, _, B, _, B, },
} }
image_rgba_bt = tga_encoder.image(pixels_rgba_bt) local pixels_rgba_by_scanline_order = {
image_rgba_tb = tga_encoder.image(pixels_rgba_tb) ["bottom-top"] = pixels_rgba_bt,
["top-bottom"] = pixels_rgba_tb,
image_rgba_bt:save( }
"type2_32bpp_bt.tga",
{ color_format="B8G8R8A8", compression="RAW", scanline_order = "bottom-top" }
)
image_rgba_tb:save(
"type2_32bpp_tb.tga",
{ color_format="B8G8R8A8", compression="RAW", scanline_order = "top-bottom" }
)
image_rgba_bt:save(
"type10_32bpp_bt.tga",
{ color_format="B8G8R8A8", compression="RLE", scanline_order = "bottom-top" }
)
image_rgba_tb:save(
"type10_32bpp_tb.tga",
{ color_format="B8G8R8A8", compression="RLE", scanline_order = "top-bottom" }
)
local _ = { 0, 0, 0 } local _ = { 0, 0, 0 }
local R = { 255, 0, 0 } local R = { 255, 0, 0 }
@ -205,38 +190,53 @@ local pixels_rgb_tb = {
{ _, _, _, _, _, B, _, B, }, { _, _, _, _, _, B, _, B, },
} }
image_rgb_bt = tga_encoder.image(pixels_rgb_bt) local pixels_rgb_by_scanline_order = {
image_rgb_tb = tga_encoder.image(pixels_rgb_tb) ["bottom-top"] = pixels_rgb_bt,
["top-bottom"] = pixels_rgb_tb,
}
image_rgb_bt:save( local tga_type_by_compression = {
"type2_24bpp_bt.tga", ["RAW"] = "2",
{ color_format="B8G8R8", compression="RAW", scanline_order = "bottom-top" } ["RLE"] = "10",
) }
image_rgb_tb:save(
"type2_24bpp_tb.tga", local pixels_by_scanline_order_by_color_format = {
{ color_format="B8G8R8", compression="RAW", scanline_order = "top-bottom" } ["A1R5G5B5"] = pixels_rgba_by_scanline_order,
) ["B8G8R8"] = pixels_rgb_by_scanline_order,
image_rgb_bt:save( ["B8G8R8A8"] = pixels_rgba_by_scanline_order,
"type10_24bpp_bt.tga", }
{ color_format="B8G8R8", compression="RLE", scanline_order = "bottom-top" }
) for _, color_format in ipairs(
image_rgb_tb:save( tga_encoder.features.color_format
"type10_24bpp_tb.tga", ) do
{ color_format="B8G8R8", compression="RLE", scanline_order = "top-bottom" } for _, compression in ipairs(
) tga_encoder.features.compression
image_rgb_bt:save( ) do
"type2_16bpp_bt.tga", for _, scanline_order in ipairs(
{ color_format="A1R5G5B5", compression="RAW", scanline_order = "bottom-top" } tga_encoder.features.scanline_order
) ) do
image_rgb_tb:save( if ("Y8" ~= color_format) then
"type2_16bpp_tb.tga", local tga_type = tga_type_by_compression[
{ color_format="A1R5G5B5", compression="RAW", scanline_order = "top-bottom" } compression
) ]
image_rgb_bt:save( local filename = "type" .. tga_type ..
"type10_16bpp_bt.tga", '_' .. color_format ..
{ color_format="A1R5G5B5", compression="RLE", scanline_order = "bottom-top" } '_' .. scanline_order ..
) '.tga'
image_rgb_tb:save( local pixels = pixels_by_scanline_order_by_color_format[
"type10_16bpp_tb.tga", color_format
{ color_format="A1R5G5B5", compression="RLE", scanline_order = "top-bottom" } ][
) scanline_order
]
local properties = {
color_format = color_format,
compression = compression,
scanline_order = scanline_order,
}
print(filename)
local image = tga_encoder.image(pixels)
image:save(filename, properties)
end
end
end
end