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Add script to generate TGA test textures

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Nils Dagsson Moskopp 2023-10-15 17:02:19 +02:00
parent bb68ceb38d
commit e87a8fc332
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1 changed files with 64 additions and 0 deletions
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tools/generate_test_textures.lua Executable file
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dofile("../init.lua")
local _ = { 0, 0, 0, 128 }
local R = { 255, 0, 0, 255 }
local G = { 0, 255, 0, 255 }
local B = { 0, 0, 255, 255 }
local pixels_rgba = {
{ _, _, _, _, _, B, _, B, },
{ _, _, _, _, _, B, B, B, },
{ _, _, G, G, G, B, _, B, },
{ _, _, G, _, G, B, B, B, },
{ _, R, G, _, _, _, _, _, },
{ _, R, G, G, G, _, _, _, },
{ _, R, _, _, _, _, _, _, },
{ R, R, R, _, _, _, _, _, },
}
image_rgba = tga_encoder.image(pixels_rgba)
image_rgba:save(
"type2_32bpp_bt_raw.tga",
{ color_format="B8G8R8A8", compression="RAW" }
)
image_rgba:save(
"type2_32bpp_bt_rle.tga",
{ color_format="B8G8R8A8", compression="RLE" }
)
local _ = { 0, 0, 0 }
local R = { 255, 0, 0 }
local G = { 0, 255, 0 }
local B = { 0, 0, 255 }
local pixels_rgb = {
{ _, _, _, _, _, B, _, B, },
{ _, _, _, _, _, B, B, B, },
{ _, _, G, G, G, B, _, B, },
{ _, _, G, _, G, B, B, B, },
{ _, R, G, _, _, _, _, _, },
{ _, R, G, G, G, _, _, _, },
{ _, R, _, _, _, _, _, _, },
{ R, R, R, _, _, _, _, _, },
}
image_rgb = tga_encoder.image(pixels_rgb)
image_rgb:save(
"type2_24bpp_bt_raw.tga",
{ color_format="B8G8R8", compression="RAW" }
)
image_rgb:save(
"type2_24bpp_bt_rle.tga",
{ color_format="B8G8R8", compression="RLE" }
)
image_rgb:save(
"type2_16bpp_bt_raw.tga",
{ color_format="A1R5G5B5", compression="RAW" }
)
image_rgb:save(
"type2_16bpp_bt_rle.tga",
{ color_format="A1R5G5B5", compression="RLE" }
)