mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-22 22:27:05 +00:00
354 lines
8.7 KiB
C++
354 lines
8.7 KiB
C++
|
//========= Copyright Valve Corporation, All rights reserved. ============//
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
//
|
||
|
|
//===========================================================================//
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include "tier0/dbg.h"
|
||
|
|
#include <malloc.h>
|
||
|
|
#include "filesystem.h"
|
||
|
|
#include "bitmap/tgawriter.h"
|
||
|
|
#include "tier1/utlbuffer.h"
|
||
|
|
#include "bitmap/imageformat.h"
|
||
|
|
#include "tier2/tier2.h"
|
||
|
|
#include "tier2/fileutils.h"
|
||
|
|
|
||
|
|
// memdbgon must be the last include file in a .cpp file!!!
|
||
|
|
#include "tier0/memdbgon.h"
|
||
|
|
|
||
|
|
namespace TGAWriter
|
||
|
|
{
|
||
|
|
|
||
|
|
#pragma pack(1)
|
||
|
|
struct TGAHeader_t
|
||
|
|
{
|
||
|
|
unsigned char id_length;
|
||
|
|
unsigned char colormap_type;
|
||
|
|
unsigned char image_type;
|
||
|
|
unsigned short colormap_index;
|
||
|
|
unsigned short colormap_length;
|
||
|
|
unsigned char colormap_size;
|
||
|
|
unsigned short x_origin;
|
||
|
|
unsigned short y_origin;
|
||
|
|
unsigned short width;
|
||
|
|
unsigned short height;
|
||
|
|
unsigned char pixel_size;
|
||
|
|
unsigned char attributes;
|
||
|
|
};
|
||
|
|
#pragma pack()
|
||
|
|
|
||
|
|
#define fputc myfputc
|
||
|
|
#define fwrite myfwrite
|
||
|
|
|
||
|
|
static void fputLittleShort( unsigned short s, CUtlBuffer &buffer )
|
||
|
|
{
|
||
|
|
buffer.PutChar( s & 0xff );
|
||
|
|
buffer.PutChar( s >> 8 );
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void myfputc( unsigned char c, FileHandle_t fileHandle )
|
||
|
|
{
|
||
|
|
g_pFullFileSystem->Write( &c, 1, fileHandle );
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void myfwrite( void const *data, int size1, int size2, FileHandle_t fileHandle )
|
||
|
|
{
|
||
|
|
g_pFullFileSystem->Write( data, size1 * size2, fileHandle );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// FIXME: assumes that we don't need to do gamma correction.
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
bool WriteToBuffer( unsigned char *pImageData, CUtlBuffer &buffer, int width, int height,
|
||
|
|
ImageFormat srcFormat, ImageFormat dstFormat )
|
||
|
|
{
|
||
|
|
TGAHeader_t header;
|
||
|
|
|
||
|
|
// Fix the dstFormat to match what actually is going to go into the file
|
||
|
|
switch( dstFormat )
|
||
|
|
{
|
||
|
|
case IMAGE_FORMAT_RGB888:
|
||
|
|
dstFormat = IMAGE_FORMAT_BGR888;
|
||
|
|
break;
|
||
|
|
#if defined( _X360 )
|
||
|
|
case IMAGE_FORMAT_LINEAR_RGB888:
|
||
|
|
dstFormat = IMAGE_FORMAT_LINEAR_BGR888;
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
case IMAGE_FORMAT_RGBA8888:
|
||
|
|
dstFormat = IMAGE_FORMAT_BGRA8888;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
header.id_length = 0; // comment length
|
||
|
|
header.colormap_type = 0; // ???
|
||
|
|
|
||
|
|
switch( dstFormat )
|
||
|
|
{
|
||
|
|
case IMAGE_FORMAT_BGR888:
|
||
|
|
#if defined( _X360 )
|
||
|
|
case IMAGE_FORMAT_LINEAR_BGR888:
|
||
|
|
#endif
|
||
|
|
header.image_type = 2; // 24/32 bit uncompressed TGA
|
||
|
|
header.pixel_size = 24;
|
||
|
|
break;
|
||
|
|
case IMAGE_FORMAT_BGRA8888:
|
||
|
|
header.image_type = 2; // 24/32 bit uncompressed TGA
|
||
|
|
header.pixel_size = 32;
|
||
|
|
break;
|
||
|
|
case IMAGE_FORMAT_I8:
|
||
|
|
header.image_type = 1; // 8 bit uncompressed TGA
|
||
|
|
header.pixel_size = 8;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
header.colormap_index = 0;
|
||
|
|
header.colormap_length = 0;
|
||
|
|
header.colormap_size = 0;
|
||
|
|
header.x_origin = 0;
|
||
|
|
header.y_origin = 0;
|
||
|
|
header.width = ( unsigned short )width;
|
||
|
|
header.height = ( unsigned short )height;
|
||
|
|
header.attributes = 0x20; // Makes it so we don't have to vertically flip the image
|
||
|
|
|
||
|
|
buffer.PutChar( header.id_length );
|
||
|
|
buffer.PutChar( header.colormap_type );
|
||
|
|
buffer.PutChar( header.image_type );
|
||
|
|
fputLittleShort( header.colormap_index, buffer );
|
||
|
|
fputLittleShort( header.colormap_length, buffer );
|
||
|
|
buffer.PutChar( header.colormap_size );
|
||
|
|
fputLittleShort( header.x_origin, buffer );
|
||
|
|
fputLittleShort( header.y_origin, buffer );
|
||
|
|
fputLittleShort( header.width, buffer );
|
||
|
|
fputLittleShort( header.height, buffer );
|
||
|
|
buffer.PutChar( header.pixel_size );
|
||
|
|
buffer.PutChar( header.attributes );
|
||
|
|
|
||
|
|
int nSizeInBytes = width * height * ImageLoader::SizeInBytes( dstFormat );
|
||
|
|
buffer.EnsureCapacity( buffer.TellPut() + nSizeInBytes );
|
||
|
|
unsigned char *pDst = (unsigned char*)buffer.PeekPut();
|
||
|
|
|
||
|
|
if ( !ImageLoader::ConvertImageFormat( pImageData, srcFormat, pDst, dstFormat, width, height ) )
|
||
|
|
return false;
|
||
|
|
|
||
|
|
buffer.SeekPut( CUtlBuffer::SEEK_CURRENT, nSizeInBytes );
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool WriteDummyFileNoAlloc( const char *fileName, int width, int height, enum ImageFormat dstFormat )
|
||
|
|
{
|
||
|
|
TGAHeader_t tgaHeader;
|
||
|
|
|
||
|
|
Assert( g_pFullFileSystem );
|
||
|
|
if( !g_pFullFileSystem )
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
COutputFile fp( fileName );
|
||
|
|
|
||
|
|
int nBytesPerPixel, nImageType, nPixelSize;
|
||
|
|
|
||
|
|
switch( dstFormat )
|
||
|
|
{
|
||
|
|
case IMAGE_FORMAT_BGR888:
|
||
|
|
#if defined( _X360 )
|
||
|
|
case IMAGE_FORMAT_LINEAR_BGR888:
|
||
|
|
#endif
|
||
|
|
nBytesPerPixel = 3; // 24/32 bit uncompressed TGA
|
||
|
|
nPixelSize = 24;
|
||
|
|
nImageType = 2;
|
||
|
|
break;
|
||
|
|
case IMAGE_FORMAT_BGRA8888:
|
||
|
|
nBytesPerPixel = 4; // 24/32 bit uncompressed TGA
|
||
|
|
nPixelSize = 32;
|
||
|
|
nImageType = 2;
|
||
|
|
break;
|
||
|
|
case IMAGE_FORMAT_I8:
|
||
|
|
nBytesPerPixel = 1; // 8 bit uncompressed TGA
|
||
|
|
nPixelSize = 8;
|
||
|
|
nImageType = 1;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
memset( &tgaHeader, 0, sizeof(tgaHeader) );
|
||
|
|
tgaHeader.id_length = 0;
|
||
|
|
tgaHeader.image_type = (unsigned char) nImageType;
|
||
|
|
tgaHeader.width = (unsigned short) width;
|
||
|
|
tgaHeader.height = (unsigned short) height;
|
||
|
|
tgaHeader.pixel_size = (unsigned char) nPixelSize;
|
||
|
|
tgaHeader.attributes = 0x20;
|
||
|
|
|
||
|
|
// Write the Targa header
|
||
|
|
fp.Write( &tgaHeader, sizeof(TGAHeader_t) );
|
||
|
|
|
||
|
|
// Write out width * height black pixels
|
||
|
|
unsigned char black[4] = { 0x1E, 0x9A, 0xFF, 0x00 };
|
||
|
|
for (int i = 0; i < width * height; i++)
|
||
|
|
{
|
||
|
|
fp.Write( black, nBytesPerPixel );
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool WriteTGAFile( const char *fileName, int width, int height, enum ImageFormat srcFormat, uint8 const *srcData, int nStride )
|
||
|
|
{
|
||
|
|
TGAHeader_t tgaHeader;
|
||
|
|
|
||
|
|
COutputFile fp( fileName );
|
||
|
|
|
||
|
|
int nBytesPerPixel, nImageType, nPixelSize;
|
||
|
|
|
||
|
|
bool bMustConvert = false;
|
||
|
|
ImageFormat dstFormat = srcFormat;
|
||
|
|
|
||
|
|
switch( srcFormat )
|
||
|
|
{
|
||
|
|
case IMAGE_FORMAT_BGR888:
|
||
|
|
#if defined( _X360 )
|
||
|
|
case IMAGE_FORMAT_LINEAR_BGR888:
|
||
|
|
#endif
|
||
|
|
nBytesPerPixel = 3; // 24/32 bit uncompressed TGA
|
||
|
|
nPixelSize = 24;
|
||
|
|
nImageType = 2;
|
||
|
|
break;
|
||
|
|
case IMAGE_FORMAT_BGRA8888:
|
||
|
|
nBytesPerPixel = 4; // 24/32 bit uncompressed TGA
|
||
|
|
nPixelSize = 32;
|
||
|
|
nImageType = 2;
|
||
|
|
break;
|
||
|
|
case IMAGE_FORMAT_RGBA8888:
|
||
|
|
bMustConvert = true;
|
||
|
|
dstFormat = IMAGE_FORMAT_BGRA8888;
|
||
|
|
nBytesPerPixel = 4; // 24/32 bit uncompressed TGA
|
||
|
|
nPixelSize = 32;
|
||
|
|
nImageType = 2;
|
||
|
|
break;
|
||
|
|
case IMAGE_FORMAT_I8:
|
||
|
|
nBytesPerPixel = 1; // 8 bit uncompressed TGA
|
||
|
|
nPixelSize = 8;
|
||
|
|
nImageType = 1;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
memset( &tgaHeader, 0, sizeof(tgaHeader) );
|
||
|
|
tgaHeader.id_length = 0;
|
||
|
|
tgaHeader.image_type = (unsigned char) nImageType;
|
||
|
|
tgaHeader.width = (unsigned short) width;
|
||
|
|
tgaHeader.height = (unsigned short) height;
|
||
|
|
tgaHeader.pixel_size = (unsigned char) nPixelSize;
|
||
|
|
tgaHeader.attributes = 0x20;
|
||
|
|
|
||
|
|
// Write the Targa header
|
||
|
|
fp.Write( &tgaHeader, sizeof(TGAHeader_t) );
|
||
|
|
|
||
|
|
// Write out image data
|
||
|
|
if ( bMustConvert )
|
||
|
|
{
|
||
|
|
uint8 *pLineBuf = new uint8[ nBytesPerPixel * width ];
|
||
|
|
while( height-- )
|
||
|
|
{
|
||
|
|
ImageLoader::ConvertImageFormat( srcData, srcFormat, pLineBuf, dstFormat, width, 1 );
|
||
|
|
fp.Write( pLineBuf, nBytesPerPixel * width );
|
||
|
|
srcData += nStride;
|
||
|
|
}
|
||
|
|
delete[] pLineBuf;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
while( height-- )
|
||
|
|
{
|
||
|
|
fp.Write( srcData, nBytesPerPixel * width );
|
||
|
|
srcData += nStride;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
bool WriteRectNoAlloc( unsigned char *pImageData, const char *fileName, int nXOrigin, int nYOrigin, int width, int height, int nStride, enum ImageFormat srcFormat )
|
||
|
|
{
|
||
|
|
Assert( g_pFullFileSystem );
|
||
|
|
if( !g_pFullFileSystem )
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
FileHandle_t fp;
|
||
|
|
fp = g_pFullFileSystem->Open( fileName, "r+b" );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Read in the targa header
|
||
|
|
//
|
||
|
|
TGAHeader_t tgaHeader;
|
||
|
|
g_pFullFileSystem->Read( &tgaHeader, sizeof(tgaHeader), fp );
|
||
|
|
|
||
|
|
|
||
|
|
int nBytesPerPixel, nPixelSize;
|
||
|
|
|
||
|
|
switch( srcFormat )
|
||
|
|
{
|
||
|
|
case IMAGE_FORMAT_BGR888:
|
||
|
|
#if defined( _X360 )
|
||
|
|
case IMAGE_FORMAT_LINEAR_BGR888:
|
||
|
|
#endif
|
||
|
|
nBytesPerPixel = 3; // 24/32 bit uncompressed TGA
|
||
|
|
nPixelSize = 24;
|
||
|
|
break;
|
||
|
|
case IMAGE_FORMAT_BGRA8888:
|
||
|
|
nBytesPerPixel = 4; // 24/32 bit uncompressed TGA
|
||
|
|
nPixelSize = 32;
|
||
|
|
break;
|
||
|
|
case IMAGE_FORMAT_I8:
|
||
|
|
nBytesPerPixel = 1; // 8 bit uncompressed TGA
|
||
|
|
nPixelSize = 8;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Verify src data matches the targa we're going to write into
|
||
|
|
if ( nPixelSize != tgaHeader.pixel_size )
|
||
|
|
{
|
||
|
|
Warning( "TGA doesn't match source data.\n" );
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// Seek to the origin of the target subrect from the beginning of the file
|
||
|
|
g_pFullFileSystem->Seek( fp, nBytesPerPixel * (tgaHeader.width * nYOrigin + nXOrigin), FILESYSTEM_SEEK_CURRENT );
|
||
|
|
|
||
|
|
unsigned char *pSrc = pImageData;
|
||
|
|
|
||
|
|
// Run through each scanline of the incoming rect
|
||
|
|
for (int row=0; row < height; row++ )
|
||
|
|
{
|
||
|
|
g_pFullFileSystem->Write( pSrc, nBytesPerPixel * width, fp );
|
||
|
|
|
||
|
|
// Advance src pointer to next scanline
|
||
|
|
pSrc += nBytesPerPixel * nStride;
|
||
|
|
|
||
|
|
// Seek ahead in the file
|
||
|
|
g_pFullFileSystem->Seek( fp, nBytesPerPixel * ( tgaHeader.width - width ), FILESYSTEM_SEEK_CURRENT );
|
||
|
|
}
|
||
|
|
|
||
|
|
g_pFullFileSystem->Close( fp );
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // end namespace TGAWriter
|
||
|
|
|