35 lines
844 B
V
35 lines
844 B
V
import os
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import stbi
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fn test_stbi_read_write() {
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vroot := @VEXEROOT
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path := os.join_path(vroot, 'examples', 'assets', 'logo.png')
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println('Source path: $path')
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d_s := stbi.load(path) or { panic(err) }
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println('Image source data:\n $d_s')
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out_path := os.join_path(os.temp_dir(), 'test.png')
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println('Out path: $out_path')
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stbi.stbi_write_png(out_path, d_s.width, d_s.height, 4, d_s.data, d_s.width * 4) or {
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panic(err)
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}
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d_d := stbi.load(out_path) or { panic(err) }
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println('Image dest data:\n $d_d')
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assert d_s.width == d_d.width
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assert d_s.height == d_d.height
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assert d_s.nr_channels == d_d.nr_channels
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mut v_s := &u32(d_s.data)
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mut v_d := &u32(d_d.data)
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mut delta := i64(0)
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for index in 0 .. (d_d.width * d_d.width) {
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unsafe {
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delta += v_s[index] - v_d[index]
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}
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}
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assert 0 == delta
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os.rm(out_path) or {}
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}
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