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Add code to generate TGA type 1 test textures

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Nils Dagsson Moskopp 2023-10-15 20:49:11 +02:00
parent 4064333b06
commit 4d57ba62bf
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1 changed files with 44 additions and 0 deletions
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44
tools/generate_test_textures.lua
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@ -1,5 +1,49 @@
dofile("../init.lua")
local _ = { 0 }
local R = { 1 }
local G = { 2 }
local B = { 3 }
local pixels_colormapped = {
{ _, _, _, _, _, 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_colormapped = tga_encoder.image(pixels_colormapped)
colormap_32bpp = {
{ 0, 0, 0, 128 },
{ 255, 0, 0, 255 },
{ 0, 255, 0, 255 },
{ 0, 0, 255, 255 },
}
image_colormapped:save(
"type1_32bpp_bt.tga",
{ colormap = colormap_32bpp, color_format = "B8G8R8A8" }
)
image_colormapped:save(
"type1_16bpp_bt.tga",
{ colormap = colormap_32bpp, color_format = "A1R5G5B5" }
)
colormap_24bpp = {
{ 0, 0, 0 },
{ 255, 0, 0 },
{ 0, 255, 0 },
{ 0, 0, 255 },
}
image_colormapped:save(
"type1_24bpp_bt.tga",
{ colormap = colormap_32bpp, color_format = "B8G8R8" }
)
local _ = { 0, 0, 0, 128 }
local R = { 255, 0, 0, 255 }
local G = { 0, 255, 0, 255 }