mirror of https://github.com/minetest/irrlicht.git
102 lines
5.0 KiB
C++
102 lines
5.0 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __C_COLOR_CONVERTER_H_INCLUDED__
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#define __C_COLOR_CONVERTER_H_INCLUDED__
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#include "irrTypes.h"
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#include "IImage.h"
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namespace irr
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{
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namespace video
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{
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class CColorConverter
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{
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public:
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//! converts a monochrome bitmap to A1R5G5B5
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static void convert1BitTo16Bit(const u8* in, s16* out, s32 width, s32 height, s32 linepad=0, bool flip=false);
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//! converts a 4 bit palettized image to A1R5G5B5
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static void convert4BitTo16Bit(const u8* in, s16* out, s32 width, s32 height, const s32* palette, s32 linepad=0, bool flip=false);
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//! converts a 8 bit palettized image to A1R5G5B5
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static void convert8BitTo16Bit(const u8* in, s16* out, s32 width, s32 height, const s32* palette, s32 linepad=0, bool flip=false);
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//! converts a 8 bit palettized or non palettized image (A8) into R8G8B8
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static void convert8BitTo24Bit(const u8* in, u8* out, s32 width, s32 height, const u8* palette, s32 linepad = 0, bool flip=false);
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//! converts a 8 bit palettized or non palettized image (A8) into A8R8G8B8
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static void convert8BitTo32Bit(const u8* in, u8* out, s32 width, s32 height, const u8* palette, s32 linepad = 0, bool flip=false);
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//! converts R8G8B8 16 bit data to A1R5G5B5 data
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static void convert16BitTo16Bit(const s16* in, s16* out, s32 width, s32 height, s32 linepad=0, bool flip=false);
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//! copies R8G8B8 24 bit data to 24 data, and flips and
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//! mirrors the image during the process.
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static void convert24BitTo24Bit(const u8* in, u8* out, s32 width, s32 height, s32 linepad=0, bool flip=false, bool bgr=false);
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//! Resizes the surface to a new size and converts it at the same time
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//! to an A8R8G8B8 format, returning the pointer to the new buffer.
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static void convert16bitToA8R8G8B8andResize(const s16* in, s32* out, s32 newWidth, s32 newHeight, s32 currentWidth, s32 currentHeight);
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//! copies X8R8G8B8 32 bit data, and flips and
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//! mirrors the image during the process.
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static void convert32BitTo32Bit(const s32* in, s32* out, s32 width, s32 height, s32 linepad, bool flip=false);
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//! Functions for converting one image format to another efficiently
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//! and hopefully correctly.
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//! Note that the format descriptions refer to the ECOLOR_FORMAT's and not to memory layout.
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//! Reasons for that go back to DX9 naming which tended to flip 32-bit and 16-bit byte orders so ARGB usually means BGRA.
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//!
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//! \param sP pointer to source pixel data
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//! \param sN number of source pixels to copy
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//! \param dP pointer to destination data buffer. must be big enough
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//! to hold sN pixels in the output format.
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static void convert_A1R5G5B5toR8G8B8(const void* sP, s32 sN, void* dP);
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static void convert_A1R5G5B5toB8G8R8(const void* sP, s32 sN, void* dP);
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static void convert_A1R5G5B5toA8R8G8B8(const void* sP, s32 sN, void* dP);
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static void convert_A1R5G5B5toA1R5G5B5(const void* sP, s32 sN, void* dP);
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static void convert_A1R5G5B5toR5G5B5A1(const void* sP, s32 sN, void* dP);
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static void convert_A1R5G5B5toR5G6B5(const void* sP, s32 sN, void* dP);
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static void convert_A8R8G8B8toR8G8B8(const void* sP, s32 sN, void* dP);
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static void convert_A8R8G8B8toB8G8R8(const void* sP, s32 sN, void* dP);
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static void convert_A8R8G8B8toA8R8G8B8(const void* sP, s32 sN, void* dP);
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static void convert_A8R8G8B8toA1R5G5B5(const void* sP, s32 sN, void* dP);
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static void convert_A8R8G8B8toA1B5G5R5(const void* sP, s32 sN, void* dP);
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static void convert_A8R8G8B8toR5G6B5(const void* sP, s32 sN, void* dP);
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static void convert_A8R8G8B8toR3G3B2(const void* sP, s32 sN, void* dP);
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static void convert_R8G8B8toR8G8B8(const void* sP, s32 sN, void* dP);
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static void convert_R8G8B8toA8R8G8B8(const void* sP, s32 sN, void* dP);
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static void convert_R8G8B8toA1R5G5B5(const void* sP, s32 sN, void* dP);
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static void convert_R8G8B8toB8G8R8(const void* sP, s32 sN, void* dP);
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static void convert_R8G8B8toR5G6B5(const void* sP, s32 sN, void* dP);
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static void convert_B8G8R8toA8R8G8B8(const void* sP, s32 sN, void* dP);
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static void convert_B8G8R8A8toA8R8G8B8(const void* sP, s32 sN, void* dP);
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static void convert_A8R8G8B8toR8G8B8A8(const void* sP, s32 sN, void* dP);
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static void convert_A8R8G8B8toA8B8G8R8(const void* sP, s32 sN, void* dP);
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static void convert_R5G6B5toR5G6B5(const void* sP, s32 sN, void* dP);
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static void convert_R5G6B5toR8G8B8(const void* sP, s32 sN, void* dP);
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static void convert_R5G6B5toB8G8R8(const void* sP, s32 sN, void* dP);
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static void convert_R5G6B5toA8R8G8B8(const void* sP, s32 sN, void* dP);
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static void convert_R5G6B5toA1R5G5B5(const void* sP, s32 sN, void* dP);
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static void convert_viaFormat(const void* sP, ECOLOR_FORMAT sF, s32 sN,
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void* dP, ECOLOR_FORMAT dF);
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// Check if convert_viaFormat is usable
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static bool canConvertFormat(ECOLOR_FORMAT sourceFormat, ECOLOR_FORMAT destFormat);
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};
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} // end namespace video
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} // end namespace irr
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#endif
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