Misaki
1fee890329
- Make image result/info structs readonly; improve error handling and memory safety in image library - Introduce IJobScheduler interface; move job scheduling docs to interface - Remove "index 0 invalid" convention from slot/sparse maps; fix Count logic - Add Owner<T> for disposable value types in low-level utilities - Improve ObjectPool<T> thread safety and logic - Change List<T>.RemoveAndSwapBack to return bool - Remove unsafe methods from generated math types; add debug range checks - Update benchmarks and enable collection checks in tests - Improve documentation, comments, and error messages - Bump assembly versions across all projects
389 lines
12 KiB
C#
389 lines
12 KiB
C#
// Generated by Sichem at 12/24/2021 8:28:15 PM
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using Misaki.HighPerformance.Image.Runtime;
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// Generated by Sichem at 12/24/2021 8:28:15 PM
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namespace Misaki.HighPerformance.Image
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{
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public unsafe partial class StbImage
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{
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public static int stbi__psd_test(stbi__context s)
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{
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var r = stbi__get32be(s) == 0x38425053 ? 1 : 0;
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stbi__rewind(s);
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return r;
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}
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public static void* stbi__psd_load(stbi__context s, int* x, int* y, int* comp, int req_comp,
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stbi__result_info* ri, int bpc)
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{
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var pixelCount = 0;
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var channelCount = 0;
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var compression = 0;
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var channel = 0;
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var i = 0;
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var bitdepth = 0;
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var w = 0;
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var h = 0;
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byte* _out_;
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if (stbi__get32be(s) != 0x38425053)
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{
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return (byte*)(ulong)(stbi__err("not PSD") != 0 ? 0 : 0);
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}
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if (stbi__get16be(s) != 1)
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{
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return (byte*)(ulong)(stbi__err("wrong version") != 0 ? 0 : 0);
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}
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stbi__skip(s, 6);
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channelCount = stbi__get16be(s);
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if (channelCount < 0 || channelCount > 16)
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{
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return (byte*)(ulong)(stbi__err("wrong channel count") != 0 ? 0 : 0);
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}
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h = (int)stbi__get32be(s);
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w = (int)stbi__get32be(s);
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if (h > 1 << 24)
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{
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return (byte*)(ulong)(stbi__err("too large") != 0 ? 0 : 0);
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}
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if (w > 1 << 24)
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{
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return (byte*)(ulong)(stbi__err("too large") != 0 ? 0 : 0);
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}
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bitdepth = stbi__get16be(s);
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if (bitdepth != 8 && bitdepth != 16)
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{
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return (byte*)(ulong)(stbi__err("unsupported bit depth") != 0 ? 0 : 0);
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}
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if (stbi__get16be(s) != 3)
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{
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return (byte*)(ulong)(stbi__err("wrong color format") != 0 ? 0 : 0);
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}
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stbi__skip(s, (int)stbi__get32be(s));
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stbi__skip(s, (int)stbi__get32be(s));
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stbi__skip(s, (int)stbi__get32be(s));
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compression = stbi__get16be(s);
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if (compression > 1)
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{
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return (byte*)(ulong)(stbi__err("bad compression") != 0 ? 0 : 0);
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}
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if (stbi__mad3sizes_valid(4, w, h, 0) == 0)
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{
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return (byte*)(ulong)(stbi__err("too large") != 0 ? 0 : 0);
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}
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if (compression == 0 && bitdepth == 16 && bpc == 16)
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{
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_out_ = (byte*)stbi__malloc_mad3(8, w, h, 0);
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ri->bits_per_channel = 16;
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}
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else
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{
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_out_ = (byte*)stbi__malloc((ulong)(4 * w * h));
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}
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if (_out_ == null)
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{
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return (byte*)(ulong)(stbi__err("outofmem") != 0 ? 0 : 0);
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}
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pixelCount = w * h;
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if (compression != 0)
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{
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stbi__skip(s, h * channelCount * 2);
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for (channel = 0; channel < 4; channel++)
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{
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byte* p;
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p = _out_ + channel;
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if (channel >= channelCount)
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{
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for (i = 0; i < pixelCount; i++, p += 4)
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{
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*p = (byte)(channel == 3 ? 255 : 0);
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}
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}
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else
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{
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if (stbi__psd_decode_rle(s, p, pixelCount) == 0)
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{
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CRuntime.free(_out_);
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return (byte*)(ulong)(stbi__err("corrupt") != 0 ? 0 : 0);
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}
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}
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}
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}
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else
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{
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for (channel = 0; channel < 4; channel++)
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{
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if (channel >= channelCount)
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{
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if (bitdepth == 16 && bpc == 16)
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{
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var q = (ushort*)_out_ + channel;
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var val = (ushort)(channel == 3 ? 65535 : 0);
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for (i = 0; i < pixelCount; i++, q += 4)
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{
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*q = val;
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}
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}
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else
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{
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var p = _out_ + channel;
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var val = (byte)(channel == 3 ? 255 : 0);
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for (i = 0; i < pixelCount; i++, p += 4)
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{
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*p = val;
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}
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}
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}
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else
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{
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if (ri->bits_per_channel == 16)
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{
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var q = (ushort*)_out_ + channel;
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for (i = 0; i < pixelCount; i++, q += 4)
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{
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*q = (ushort)stbi__get16be(s);
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}
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}
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else
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{
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var p = _out_ + channel;
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if (bitdepth == 16)
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{
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for (i = 0; i < pixelCount; i++, p += 4)
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{
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*p = (byte)(stbi__get16be(s) >> 8);
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}
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}
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else
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{
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for (i = 0; i < pixelCount; i++, p += 4)
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{
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*p = stbi__get8(s);
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}
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}
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}
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}
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}
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}
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if (channelCount >= 4)
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{
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if (ri->bits_per_channel == 16)
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{
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for (i = 0; i < w * h; ++i)
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{
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var pixel = (ushort*)_out_ + 4 * i;
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if (pixel[3] != 0 && pixel[3] != 65535)
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{
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var a = pixel[3] / 65535.0f;
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var ra = 1.0f / a;
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var inv_a = 65535.0f * (1 - ra);
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pixel[0] = (ushort)(pixel[0] * ra + inv_a);
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pixel[1] = (ushort)(pixel[1] * ra + inv_a);
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pixel[2] = (ushort)(pixel[2] * ra + inv_a);
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}
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}
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}
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else
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{
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for (i = 0; i < w * h; ++i)
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{
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var pixel = _out_ + 4 * i;
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if (pixel[3] != 0 && pixel[3] != 255)
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{
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var a = pixel[3] / 255.0f;
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var ra = 1.0f / a;
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var inv_a = 255.0f * (1 - ra);
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pixel[0] = (byte)(pixel[0] * ra + inv_a);
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pixel[1] = (byte)(pixel[1] * ra + inv_a);
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pixel[2] = (byte)(pixel[2] * ra + inv_a);
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}
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}
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}
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}
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if (req_comp != 0 && req_comp != 4)
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{
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if (ri->bits_per_channel == 16)
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{
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_out_ = (byte*)stbi__convert_format16((ushort*)_out_, 4, req_comp, (uint)w, (uint)h);
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}
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else
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{
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_out_ = stbi__convert_format(_out_, 4, req_comp, (uint)w, (uint)h);
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}
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if (_out_ == null)
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{
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return _out_;
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}
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}
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if (comp != null)
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{
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*comp = 4;
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}
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*y = h;
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*x = w;
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return _out_;
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}
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public static int stbi__psd_info(stbi__context s, int* x, int* y, int* comp)
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{
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var channelCount = 0;
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var dummy = 0;
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var depth = 0;
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if (x == null)
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{
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x = &dummy;
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}
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if (y == null)
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{
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y = &dummy;
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}
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if (comp == null)
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{
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comp = &dummy;
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}
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if (stbi__get32be(s) != 0x38425053)
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{
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stbi__rewind(s);
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return 0;
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}
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if (stbi__get16be(s) != 1)
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{
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stbi__rewind(s);
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return 0;
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}
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stbi__skip(s, 6);
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channelCount = stbi__get16be(s);
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if (channelCount < 0 || channelCount > 16)
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{
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stbi__rewind(s);
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return 0;
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}
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*y = (int)stbi__get32be(s);
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*x = (int)stbi__get32be(s);
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depth = stbi__get16be(s);
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if (depth != 8 && depth != 16)
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{
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stbi__rewind(s);
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return 0;
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}
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if (stbi__get16be(s) != 3)
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{
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stbi__rewind(s);
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return 0;
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}
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*comp = 4;
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return 1;
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}
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public static int stbi__psd_is16(stbi__context s)
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{
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var channelCount = 0;
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var depth = 0;
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if (stbi__get32be(s) != 0x38425053)
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{
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stbi__rewind(s);
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return 0;
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}
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if (stbi__get16be(s) != 1)
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{
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stbi__rewind(s);
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return 0;
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}
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stbi__skip(s, 6);
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channelCount = stbi__get16be(s);
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if (channelCount < 0 || channelCount > 16)
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{
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stbi__rewind(s);
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return 0;
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}
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depth = stbi__get16be(s);
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if (depth != 16)
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{
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stbi__rewind(s);
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return 0;
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}
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return 1;
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}
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public static int stbi__psd_decode_rle(stbi__context s, byte* p, int pixelCount)
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{
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var count = 0;
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var nleft = 0;
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var len = 0;
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count = 0;
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while ((nleft = pixelCount - count) > 0)
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{
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len = stbi__get8(s);
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if (len == 128)
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{
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}
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else if (len < 128)
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{
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len++;
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if (len > nleft)
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{
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return 0;
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}
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count += len;
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while (len != 0)
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{
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*p = stbi__get8(s);
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p += 4;
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len--;
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}
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}
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else if (len > 128)
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{
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byte val = 0;
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len = 257 - len;
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if (len > nleft)
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{
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return 0;
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}
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val = stbi__get8(s);
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count += len;
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while (len != 0)
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{
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*p = val;
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p += 4;
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len--;
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}
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}
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}
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return 1;
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}
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}
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}
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