140 lines
3.7 KiB
C#
140 lines
3.7 KiB
C#
/* WellspringCS - C# bindings for the Wellspring font rendering Library
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*
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* Copyright (c) 2022 Evan Hemsley
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from
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* the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software in a
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* product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source distribution.
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*
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* Evan "cosmonaut" Hemsley <evan@moonside.games>
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*
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*/
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using System;
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using System.Runtime.InteropServices;
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namespace WellspringCS
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{
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public static class Wellspring
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{
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private const string nativeLibName = "Wellspring";
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// Version
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public const uint WELLSPRING_MAJOR_VERSION = 0;
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public const uint WELLSPRING_MINOR_VERSION = 1;
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public const uint WELLSPRING_PATCH_VERSION = 0;
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint Wellspring_LinkedVersion();
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[StructLayout(LayoutKind.Sequential)]
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public struct FontRange
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{
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uint FontSize;
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uint FirstCodepoint;
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uint NumChars;
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byte OversampleH;
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byte OversampleV;
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct Color
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{
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public byte R;
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public byte G;
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public byte B;
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public byte A;
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct Vertex
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{
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float X;
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float Y;
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float Z;
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float U;
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float V;
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byte R;
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byte G;
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byte B;
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byte A;
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}
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr Wellspring_CreatePacker(
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IntPtr fontBytes,
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uint fontBytesLength,
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uint width,
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uint height,
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uint strideInBytes,
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uint padding
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);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint Wellspring_PackFontRanges(
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IntPtr packer,
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IntPtr ranges, /* FontRange array */
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uint numRanges
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);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr Wellspring_GetPixelDataPointer(
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IntPtr packer
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);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr Wellspring_CreateTextBatch();
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void Wellspring_StartTextBatch(
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IntPtr textBatch,
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IntPtr packer
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);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern byte Wellspring_Draw(
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IntPtr textBatch,
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float x,
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float y,
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float depth,
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in Color color,
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IntPtr strBytes, /* UTF-8 bytes */
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uint strLengthInBytes
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);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void Wellspring_GetBufferData(
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IntPtr textBatch,
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out IntPtr vertexDataPointer,
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out uint vertexDataLengthInBytes,
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out IntPtr indexDataPointer,
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out uint indexDataLengthInBytes
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);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void Wellspring_DestroyTextBatch(
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IntPtr textBatch
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);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void Wellspring_DestroyPacker(
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IntPtr packer
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);
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}
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}
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