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https://github.com/RaindropViewer/RaindropViewer.git
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121 lines
3.5 KiB
C#
121 lines
3.5 KiB
C#
using System;
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using System.Runtime.InteropServices;
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public static partial class AsyncImageLoader {
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public class FreeImage
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{
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public enum Format
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{
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FIF_UNKNOWN = -1,
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FIF_BMP = 0,
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FIF_ICO = 1,
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FIF_JPEG = 2,
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FIF_JNG = 3,
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FIF_KOALA = 4,
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FIF_LBM = 5,
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FIF_IFF = FIF_LBM,
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FIF_MNG = 6,
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FIF_PBM = 7,
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FIF_PBMRAW = 8,
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FIF_PCD = 9,
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FIF_PCX = 10,
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FIF_PGM = 11,
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FIF_PGMRAW = 12,
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FIF_PNG = 13,
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FIF_PPM = 14,
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FIF_PPMRAW = 15,
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FIF_RAS = 16,
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FIF_TARGA = 17,
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FIF_TIFF = 18,
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FIF_WBMP = 19,
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FIF_PSD = 20,
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FIF_CUT = 21,
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FIF_XBM = 22,
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FIF_XPM = 23,
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FIF_DDS = 24,
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FIF_GIF = 25,
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FIF_HDR = 26,
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FIF_FAXG3 = 27,
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FIF_SGI = 28,
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FIF_EXR = 29,
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FIF_J2K = 30,
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FIF_JP2 = 31,
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FIF_PFM = 32,
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FIF_PICT = 33,
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FIF_RAW = 34,
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FIF_WEBP = 35,
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FIF_JXR = 36
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}
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internal enum Type
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{
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FIT_UNKNOWN = 0,
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FIT_BITMAP = 1,
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FIT_UINT16 = 2,
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FIT_INT16 = 3,
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FIT_UINT32 = 4,
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FIT_INT32 = 5,
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FIT_FLOAT = 6,
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FIT_DOUBLE = 7,
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FIT_COMPLEX = 8,
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FIT_RGB16 = 9,
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FIT_RGBA16 = 10,
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FIT_RGBF = 11,
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FIT_RGBAF = 12
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}
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internal enum ColorType
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{
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FIC_MINISWHITE = 0,
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FIC_MINISBLACK = 1,
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FIC_RGB = 2,
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FIC_PALETTE = 3,
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FIC_RGBALPHA = 4,
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FIC_CMYK = 5
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}
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const string FreeImageLibrary = "FreeImage";
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[DllImport(FreeImageLibrary, EntryPoint = "FreeImage_GetFileTypeFromMemory")]
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internal static extern Format GetFileTypeFromMemory(IntPtr memory, int size);
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[DllImport(FreeImageLibrary, EntryPoint = "FreeImage_OpenMemory")]
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internal static extern IntPtr OpenMemory(IntPtr data, uint size_in_bytes);
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[DllImport(FreeImageLibrary, EntryPoint = "FreeImage_CloseMemory")]
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internal static extern IntPtr CloseMemory(IntPtr data);
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[DllImport(FreeImageLibrary, EntryPoint = "FreeImage_LoadFromMemory")]
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internal static extern IntPtr LoadFromMemory(Format format, IntPtr stream, int flags);
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[DllImport(FreeImageLibrary, EntryPoint = "FreeImage_SaveToMemory")]
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internal static extern bool SaveToMemory(Format format, IntPtr fi_bitmap, IntPtr stream, int flags);
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[DllImport(FreeImageLibrary, EntryPoint = "FreeImage_Unload")]
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internal static extern void Unload(IntPtr dib);
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[DllImport(FreeImageLibrary, EntryPoint = "FreeImage_ConvertToRawBits")]
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internal static extern void ConvertToRawBits(IntPtr bits, IntPtr dib, int pitch, uint bpp, uint red_mask,
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uint green_mask, uint blue_mask, bool topdown);
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[DllImport(FreeImageLibrary, EntryPoint = "FreeImage_ConvertFromRawBits")]
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internal static extern IntPtr ConvertFromRawBits(IntPtr bits, int width, int height, int pitch, uint bpp,
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uint red_mask, uint green_mask, uint blue_mask, bool topdown);
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[DllImport(FreeImageLibrary, EntryPoint = "FreeImage_GetWidth")]
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internal static extern uint GetWidth(IntPtr handle);
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[DllImport(FreeImageLibrary, EntryPoint = "FreeImage_GetHeight")]
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internal static extern uint GetHeight(IntPtr handle);
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[DllImport(FreeImageLibrary, EntryPoint = "FreeImage_GetImageType")]
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internal static extern Type GetImageType(IntPtr dib);
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[DllImport(FreeImageLibrary, EntryPoint = "FreeImage_GetBPP")]
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internal static extern int GetBPP(IntPtr dib);
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[DllImport(FreeImageLibrary, EntryPoint = "FreeImage_AcquireMemory")]
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internal static extern void AcquireMemory(IntPtr mem, ref IntPtr data, ref int size);
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}
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}
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