diff options
Diffstat (limited to 'source/Irrlicht/CImageLoaderPCX.cpp')
| -rw-r--r-- | source/Irrlicht/CImageLoaderPCX.cpp | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/source/Irrlicht/CImageLoaderPCX.cpp b/source/Irrlicht/CImageLoaderPCX.cpp deleted file mode 100644 index 1c59447..0000000 --- a/source/Irrlicht/CImageLoaderPCX.cpp +++ /dev/null @@ -1,229 +0,0 @@ -// Copyright (C) 2002-2012 Nikolaus Gebhardt
-// This file is part of the "Irrlicht Engine".
-// For conditions of distribution and use, see copyright notice in irrlicht.h
-
-#include "CImageLoaderPCX.h"
-
-#ifdef _IRR_COMPILE_WITH_PCX_LOADER_
-
-#include "IReadFile.h"
-#include "SColor.h"
-#include "CColorConverter.h"
-#include "CImage.h"
-#include "os.h"
-#include "irrString.h"
-
-
-namespace irr
-{
-namespace video
-{
-
-
-//! constructor
-CImageLoaderPCX::CImageLoaderPCX()
-{
- #ifdef _DEBUG
- setDebugName("CImageLoaderPCX");
- #endif
-}
-
-
-//! returns true if the file maybe is able to be loaded by this class
-//! based on the file extension (e.g. ".tga")
-bool CImageLoaderPCX::isALoadableFileExtension(const io::path& filename) const
-{
- return core::hasFileExtension ( filename, "pcx" );
-}
-
-
-
-//! returns true if the file maybe is able to be loaded by this class
-bool CImageLoaderPCX::isALoadableFileFormat(io::IReadFile* file) const
-{
- u8 headerID;
- file->read(&headerID, sizeof(headerID));
- return headerID == 0x0a;
-}
-
-
-//! creates a image from the file
-IImage* CImageLoaderPCX::loadImage(io::IReadFile* file) const
-{
- SPCXHeader header;
- s32* paletteData = 0;
-
- file->read(&header, sizeof(header));
- #ifdef __BIG_ENDIAN__
- header.XMin = os::Byteswap::byteswap(header.XMin);
- header.YMin = os::Byteswap::byteswap(header.YMin);
- header.XMax = os::Byteswap::byteswap(header.XMax);
- header.YMax = os::Byteswap::byteswap(header.YMax);
- header.HorizDPI = os::Byteswap::byteswap(header.HorizDPI);
- header.VertDPI = os::Byteswap::byteswap(header.VertDPI);
- header.BytesPerLine = os::Byteswap::byteswap(header.BytesPerLine);
- header.PaletteType = os::Byteswap::byteswap(header.PaletteType);
- header.HScrSize = os::Byteswap::byteswap(header.HScrSize);
- header.VScrSize = os::Byteswap::byteswap(header.VScrSize);
- #endif
-
- //! return if the header is wrong
- if (header.Manufacturer != 0x0a && header.Encoding != 0x01)
- return 0;
-
- // return if this isn't a supported type
- if ((header.BitsPerPixel != 8) && (header.BitsPerPixel != 4) && (header.BitsPerPixel != 1))
- {
- os::Printer::log("Unsupported bits per pixel in PCX file.",
- file->getFileName(), irr::ELL_WARNING);
- return 0;
- }
-
- // read palette
- if( (header.BitsPerPixel == 8) && (header.Planes == 1) )
- {
- // the palette indicator (usually a 0x0c is found infront of the actual palette data)
- // is ignored because some exporters seem to forget to write it. This would result in
- // no image loaded before, now only wrong colors will be set.
- const long pos = file->getPos();
- file->seek( file->getSize()-256*3, false );
-
- u8 *tempPalette = new u8[768];
- paletteData = new s32[256];
- file->read( tempPalette, 768 );
-
- for( s32 i=0; i<256; i++ )
- {
- paletteData[i] = (0xff000000 |
- (tempPalette[i*3+0] << 16) |
- (tempPalette[i*3+1] << 8) |
- (tempPalette[i*3+2]));
- }
-
- delete [] tempPalette;
-
- file->seek(pos);
- }
- else if( header.BitsPerPixel == 4 )
- {
- paletteData = new s32[16];
- for( s32 i=0; i<16; i++ )
- {
- paletteData[i] = (0xff000000 |
- (header.Palette[i*3+0] << 16) |
- (header.Palette[i*3+1] << 8) |
- (header.Palette[i*3+2]));
- }
- }
-
- // read image data
- const s32 width = header.XMax - header.XMin + 1;
- const s32 height = header.YMax - header.YMin + 1;
- const s32 imagebytes = header.BytesPerLine * header.Planes * header.BitsPerPixel * height / 8;
- u8* PCXData = new u8[imagebytes];
-
- u8 cnt, value;
- s32 lineoffset=0, linestart=0, nextmode=1;
- for(s32 offset = 0; offset < imagebytes; offset += cnt)
- {
- file->read(&cnt, 1);
- if( !((cnt & 0xc0) == 0xc0) )
- {
- value = cnt;
- cnt = 1;
- }
- else
- {
- cnt &= 0x3f;
- file->read(&value, 1);
- }
- if (header.Planes==1)
- memset(PCXData+offset, value, cnt);
- else
- {
- for (u8 i=0; i<cnt; ++i)
- {
- PCXData[linestart+lineoffset]=value;
- lineoffset += 3;
- if (lineoffset>=3*header.BytesPerLine)
- {
- lineoffset=nextmode;
- if (++nextmode==3)
- nextmode=0;
- if (lineoffset==0)
- linestart += 3*header.BytesPerLine;
- }
- }
- }
- }
-
- // create image
- video::IImage* image = 0;
- s32 pad = (header.BytesPerLine - width * header.BitsPerPixel / 8) * header.Planes;
-
- if (pad < 0)
- pad = -pad;
-
- if (header.BitsPerPixel==8)
- {
- switch(header.Planes) // TODO: Other formats
- {
- case 1:
- image = new CImage(ECF_A1R5G5B5, core::dimension2d<u32>(width, height));
- if (image)
- CColorConverter::convert8BitTo16Bit(PCXData, (s16*)image->getData(), width, height, paletteData, pad);
- break;
- case 3:
- image = new CImage(ECF_R8G8B8, core::dimension2d<u32>(width, height));
- if (image)
- CColorConverter::convert24BitTo24Bit(PCXData, (u8*)image->getData(), width, height, pad);
- break;
- }
- }
- else if (header.BitsPerPixel==4)
- {
- if (header.Planes==1)
- {
- image = new CImage(ECF_A1R5G5B5, core::dimension2d<u32>(width, height));
- if (image)
- CColorConverter::convert4BitTo16Bit(PCXData, (s16*)image->getData(), width, height, paletteData, pad);
- }
- }
- else if (header.BitsPerPixel==1)
- {
- if (header.Planes==4)
- {
- image = new CImage(ECF_A1R5G5B5, core::dimension2d<u32>(width, height));
- if (image)
- CColorConverter::convert4BitTo16Bit(PCXData, (s16*)image->getData(), width, height, paletteData, pad);
- }
- else if (header.Planes==1)
- {
- image = new CImage(ECF_A1R5G5B5, core::dimension2d<u32>(width, height));
- if (image)
- CColorConverter::convert1BitTo16Bit(PCXData, (s16*)image->getData(), width, height, pad);
- }
- }
-
- // clean up
-
- delete [] paletteData;
- delete [] PCXData;
-
- return image;
-}
-
-
-//! creates a loader which is able to load pcx images
-IImageLoader* createImageLoaderPCX()
-{
- return new CImageLoaderPCX();
-}
-
-
-
-} // end namespace video
-} // end namespace irr
-
-#endif
-
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