/*
-Copyright (C) 2001-2006, William Joseph.
-All Rights Reserved.
+ Copyright (C) 2001-2006, William Joseph.
+ All Rights Reserved.
-This file is part of GtkRadiant.
+ This file is part of GtkRadiant.
-GtkRadiant is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ GtkRadiant is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-GtkRadiant is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ GtkRadiant is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
+ You should have received a copy of the GNU General Public License
+ along with GtkRadiant; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
#include "tga.h"
class Flip11 {}; // both
template<typename PixelDecoder>
-void image_decode(PointerInputStream& istream, PixelDecoder& decode, RGBAImage& image, const Flip00&)
-{
- RGBAPixel* end = image.pixels + (image.height * image.width);
- for(RGBAPixel* row = end; row != image.pixels; row -= image.width)
- {
- for(RGBAPixel* pixel = row - image.width; pixel != row; ++pixel)
- {
- decode(istream, *pixel);
- }
- }
+void image_decode( PointerInputStream& istream, PixelDecoder& decode, RGBAImage& image, const Flip00& ){
+ RGBAPixel* end = image.pixels + ( image.height * image.width );
+ for ( RGBAPixel* row = end; row != image.pixels; row -= image.width )
+ {
+ for ( RGBAPixel* pixel = row - image.width; pixel != row; ++pixel )
+ {
+ decode( istream, *pixel );
+ }
+ }
}
template<typename PixelDecoder>
-void image_decode(PointerInputStream& istream, PixelDecoder& decode, RGBAImage& image, const Flip01&)
-{
- RGBAPixel* end = image.pixels + (image.height * image.width);
- for(RGBAPixel* row = image.pixels; row != end; row += image.width)
- {
- for(RGBAPixel* pixel = row; pixel != row + image.width; ++pixel)
- {
- decode(istream, *pixel);
- }
- }
+void image_decode( PointerInputStream& istream, PixelDecoder& decode, RGBAImage& image, const Flip01& ){
+ RGBAPixel* end = image.pixels + ( image.height * image.width );
+ for ( RGBAPixel* row = image.pixels; row != end; row += image.width )
+ {
+ for ( RGBAPixel* pixel = row; pixel != row + image.width; ++pixel )
+ {
+ decode( istream, *pixel );
+ }
+ }
}
template<typename PixelDecoder>
-void image_decode(PointerInputStream& istream, PixelDecoder& decode, RGBAImage& image, const Flip10&)
-{
- RGBAPixel* end = image.pixels + (image.height * image.width);
- for(RGBAPixel* row = end; row != image.pixels; row -= image.width)
- {
- for(RGBAPixel* pixel = row; pixel != row - image.width;)
- {
- decode(istream, *--pixel);
- }
- }
+void image_decode( PointerInputStream& istream, PixelDecoder& decode, RGBAImage& image, const Flip10& ){
+ RGBAPixel* end = image.pixels + ( image.height * image.width );
+ for ( RGBAPixel* row = end; row != image.pixels; row -= image.width )
+ {
+ for ( RGBAPixel* pixel = row; pixel != row - image.width; )
+ {
+ decode( istream, *--pixel );
+ }
+ }
}
template<typename PixelDecoder>
-void image_decode(PointerInputStream& istream, PixelDecoder& decode, RGBAImage& image, const Flip11&)
-{
- RGBAPixel* end = image.pixels + (image.height * image.width);
- for(RGBAPixel* row = image.pixels; row != end; row += image.width)
- {
- for(RGBAPixel* pixel = row + image.width; pixel != row;)
- {
- decode(istream, *--pixel);
- }
- }
+void image_decode( PointerInputStream& istream, PixelDecoder& decode, RGBAImage& image, const Flip11& ){
+ RGBAPixel* end = image.pixels + ( image.height * image.width );
+ for ( RGBAPixel* row = image.pixels; row != end; row += image.width )
+ {
+ for ( RGBAPixel* pixel = row + image.width; pixel != row; )
+ {
+ decode( istream, *--pixel );
+ }
+ }
}
-inline void istream_read_gray(PointerInputStream& istream, RGBAPixel& pixel)
-{
- istream.read(&pixel.blue, 1);
- pixel.red = pixel.green = pixel.blue;
- pixel.alpha = 0xff;
+inline void istream_read_gray( PointerInputStream& istream, RGBAPixel& pixel ){
+ istream.read( &pixel.blue, 1 );
+ pixel.red = pixel.green = pixel.blue;
+ pixel.alpha = 0xff;
}
-inline void istream_read_rgb(PointerInputStream& istream, RGBAPixel& pixel)
-{
- istream.read(&pixel.blue, 1);
- istream.read(&pixel.green, 1);
- istream.read(&pixel.red, 1);
- pixel.alpha = 0xff;
+inline void istream_read_rgb( PointerInputStream& istream, RGBAPixel& pixel ){
+ istream.read( &pixel.blue, 1 );
+ istream.read( &pixel.green, 1 );
+ istream.read( &pixel.red, 1 );
+ pixel.alpha = 0xff;
}
-inline void istream_read_rgba(PointerInputStream& istream, RGBAPixel& pixel)
-{
- istream.read(&pixel.blue, 1);
- istream.read(&pixel.green, 1);
- istream.read(&pixel.red, 1);
- istream.read(&pixel.alpha, 1);
+inline void istream_read_rgba( PointerInputStream& istream, RGBAPixel& pixel ){
+ istream.read( &pixel.blue, 1 );
+ istream.read( &pixel.green, 1 );
+ istream.read( &pixel.red, 1 );
+ istream.read( &pixel.alpha, 1 );
}
class TargaDecodeGrayPixel
{
public:
- void operator()(PointerInputStream& istream, RGBAPixel& pixel)
- {
- istream_read_gray(istream, pixel);
- }
+void operator()( PointerInputStream& istream, RGBAPixel& pixel ){
+ istream_read_gray( istream, pixel );
+}
};
template<typename Flip>
-void targa_decode_grayscale(PointerInputStream& istream, RGBAImage& image, const Flip& flip)
-{
- TargaDecodeGrayPixel decode;
- image_decode(istream, decode, image, flip);
+void targa_decode_grayscale( PointerInputStream& istream, RGBAImage& image, const Flip& flip ){
+ TargaDecodeGrayPixel decode;
+ image_decode( istream, decode, image, flip );
}
class TargaDecodeRGBPixel
{
public:
- void operator()(PointerInputStream& istream, RGBAPixel& pixel)
- {
- istream_read_rgb(istream, pixel);
- }
+void operator()( PointerInputStream& istream, RGBAPixel& pixel ){
+ istream_read_rgb( istream, pixel );
+}
};
template<typename Flip>
-void targa_decode_rgb(PointerInputStream& istream, RGBAImage& image, const Flip& flip)
-{
- TargaDecodeRGBPixel decode;
- image_decode(istream, decode, image, flip);
+void targa_decode_rgb( PointerInputStream& istream, RGBAImage& image, const Flip& flip ){
+ TargaDecodeRGBPixel decode;
+ image_decode( istream, decode, image, flip );
}
class TargaDecodeRGBAPixel
{
public:
- void operator()(PointerInputStream& istream, RGBAPixel& pixel)
- {
- istream_read_rgba(istream, pixel);
- }
+void operator()( PointerInputStream& istream, RGBAPixel& pixel ){
+ istream_read_rgba( istream, pixel );
+}
};
template<typename Flip>
-void targa_decode_rgba(PointerInputStream& istream, RGBAImage& image, const Flip& flip)
-{
- TargaDecodeRGBAPixel decode;
- image_decode(istream, decode, image, flip);
+void targa_decode_rgba( PointerInputStream& istream, RGBAImage& image, const Flip& flip ){
+ TargaDecodeRGBAPixel decode;
+ image_decode( istream, decode, image, flip );
}
typedef byte TargaPacket;
typedef byte TargaPacketSize;
-inline void targa_packet_read_istream(TargaPacket& packet, PointerInputStream& istream)
-{
- istream.read(&packet, 1);
+inline void targa_packet_read_istream( TargaPacket& packet, PointerInputStream& istream ){
+ istream.read( &packet, 1 );
}
-inline bool targa_packet_is_rle(const TargaPacket& packet)
-{
- return (packet & 0x80) != 0;
+inline bool targa_packet_is_rle( const TargaPacket& packet ){
+ return ( packet & 0x80 ) != 0;
}
-inline TargaPacketSize targa_packet_size(const TargaPacket& packet)
-{
- return 1 + (packet & 0x7f);
+inline TargaPacketSize targa_packet_size( const TargaPacket& packet ){
+ return 1 + ( packet & 0x7f );
}
class TargaDecodeRGBPixelRLE
{
- TargaPacketSize m_packetSize;
- RGBAPixel m_pixel;
- TargaPacket m_packet;
+TargaPacketSize m_packetSize;
+RGBAPixel m_pixel;
+TargaPacket m_packet;
public:
- TargaDecodeRGBPixelRLE() : m_packetSize(0)
- {
- }
- void operator()(PointerInputStream& istream, RGBAPixel& pixel)
- {
- if(m_packetSize == 0)
- {
- targa_packet_read_istream(m_packet, istream);
- m_packetSize = targa_packet_size(m_packet);
-
- if(targa_packet_is_rle(m_packet))
- {
- istream_read_rgb(istream, m_pixel);
- }
- }
-
- if(targa_packet_is_rle(m_packet))
- {
- pixel = m_pixel;
- }
- else
- {
- istream_read_rgb(istream, pixel);
- }
-
- --m_packetSize;
- }
+TargaDecodeRGBPixelRLE() : m_packetSize( 0 ){
+}
+void operator()( PointerInputStream& istream, RGBAPixel& pixel ){
+ if ( m_packetSize == 0 ) {
+ targa_packet_read_istream( m_packet, istream );
+ m_packetSize = targa_packet_size( m_packet );
+
+ if ( targa_packet_is_rle( m_packet ) ) {
+ istream_read_rgb( istream, m_pixel );
+ }
+ }
+
+ if ( targa_packet_is_rle( m_packet ) ) {
+ pixel = m_pixel;
+ }
+ else
+ {
+ istream_read_rgb( istream, pixel );
+ }
+
+ --m_packetSize;
+}
};
template<typename Flip>
-void targa_decode_rle_rgb(PointerInputStream& istream, RGBAImage& image, const Flip& flip)
-{
+void targa_decode_rle_rgb( PointerInputStream& istream, RGBAImage& image, const Flip& flip ){
TargaDecodeRGBPixelRLE decode;
- image_decode(istream, decode, image, flip);
+ image_decode( istream, decode, image, flip );
}
class TargaDecodeRGBAPixelRLE
{
- TargaPacketSize m_packetSize;
- RGBAPixel m_pixel;
- TargaPacket m_packet;
+TargaPacketSize m_packetSize;
+RGBAPixel m_pixel;
+TargaPacket m_packet;
public:
- TargaDecodeRGBAPixelRLE() : m_packetSize(0)
- {
- }
- void operator()(PointerInputStream& istream, RGBAPixel& pixel)
- {
- if(m_packetSize == 0)
- {
- targa_packet_read_istream(m_packet, istream);
- m_packetSize = targa_packet_size(m_packet);
-
- if(targa_packet_is_rle(m_packet))
- {
- istream_read_rgba(istream, m_pixel);
- }
- }
-
- if(targa_packet_is_rle(m_packet))
- {
- pixel = m_pixel;
- }
- else
- {
- istream_read_rgba(istream, pixel);
- }
-
- --m_packetSize;
- }
+TargaDecodeRGBAPixelRLE() : m_packetSize( 0 ){
+}
+void operator()( PointerInputStream& istream, RGBAPixel& pixel ){
+ if ( m_packetSize == 0 ) {
+ targa_packet_read_istream( m_packet, istream );
+ m_packetSize = targa_packet_size( m_packet );
+
+ if ( targa_packet_is_rle( m_packet ) ) {
+ istream_read_rgba( istream, m_pixel );
+ }
+ }
+
+ if ( targa_packet_is_rle( m_packet ) ) {
+ pixel = m_pixel;
+ }
+ else
+ {
+ istream_read_rgba( istream, pixel );
+ }
+
+ --m_packetSize;
+}
};
template<typename Flip>
-void targa_decode_rle_rgba(PointerInputStream& istream, RGBAImage& image, const Flip& flip)
-{
+void targa_decode_rle_rgba( PointerInputStream& istream, RGBAImage& image, const Flip& flip ){
TargaDecodeRGBAPixelRLE decode;
- image_decode(istream, decode, image, flip);
+ image_decode( istream, decode, image, flip );
}
struct TargaHeader
{
- unsigned char id_length, colormap_type, image_type;
- unsigned short colormap_index, colormap_length;
- unsigned char colormap_size;
- unsigned short x_origin, y_origin, width, height;
- unsigned char pixel_size, attributes;
+ unsigned char id_length, colormap_type, image_type;
+ unsigned short colormap_index, colormap_length;
+ unsigned char colormap_size;
+ unsigned short x_origin, y_origin, width, height;
+ unsigned char pixel_size, attributes;
};
-inline void targa_header_read_istream(TargaHeader& targa_header, PointerInputStream& istream)
-{
- targa_header.id_length = istream_read_byte(istream);
- targa_header.colormap_type = istream_read_byte(istream);
- targa_header.image_type = istream_read_byte(istream);
-
- targa_header.colormap_index = istream_read_int16_le(istream);
- targa_header.colormap_length = istream_read_int16_le(istream);
- targa_header.colormap_size = istream_read_byte(istream);
- targa_header.x_origin = istream_read_int16_le(istream);
- targa_header.y_origin = istream_read_int16_le(istream);
- targa_header.width = istream_read_int16_le(istream);
- targa_header.height = istream_read_int16_le(istream);
- targa_header.pixel_size = istream_read_byte(istream);
- targa_header.attributes = istream_read_byte(istream);
-
- if (targa_header.id_length != 0)
- istream.seek(targa_header.id_length); // skip TARGA image comment
+inline void targa_header_read_istream( TargaHeader& targa_header, PointerInputStream& istream ){
+ targa_header.id_length = istream_read_byte( istream );
+ targa_header.colormap_type = istream_read_byte( istream );
+ targa_header.image_type = istream_read_byte( istream );
+
+ targa_header.colormap_index = istream_read_int16_le( istream );
+ targa_header.colormap_length = istream_read_int16_le( istream );
+ targa_header.colormap_size = istream_read_byte( istream );
+ targa_header.x_origin = istream_read_int16_le( istream );
+ targa_header.y_origin = istream_read_int16_le( istream );
+ targa_header.width = istream_read_int16_le( istream );
+ targa_header.height = istream_read_int16_le( istream );
+ targa_header.pixel_size = istream_read_byte( istream );
+ targa_header.attributes = istream_read_byte( istream );
+
+ if ( targa_header.id_length != 0 ) {
+ istream.seek( targa_header.id_length ); // skip TARGA image comment
+ }
}
template<typename Type>
class ScopeDelete
{
- Type* m_value;
- ScopeDelete(const ScopeDelete&);
- ScopeDelete& operator=(const ScopeDelete&);
+Type* m_value;
+ScopeDelete( const ScopeDelete& );
+ScopeDelete& operator=( const ScopeDelete& );
public:
- ScopeDelete(Type* value) : m_value(value)
- {
- }
- ~ScopeDelete()
- {
- delete m_value;
- }
- Type* get_pointer() const
- {
- return m_value;
- }
+ScopeDelete( Type* value ) : m_value( value ){
+}
+~ScopeDelete(){
+ delete m_value;
+}
+Type* get_pointer() const {
+ return m_value;
+}
};
template<typename Flip>
-Image* Targa_decodeImageData(const TargaHeader& targa_header, PointerInputStream& istream, const Flip& flip)
-{
- RGBAImage* image = new RGBAImage(targa_header.width, targa_header.height);
-
- if (targa_header.image_type == 2 || targa_header.image_type == 3)
- {
- switch (targa_header.pixel_size)
- {
- case 8:
- targa_decode_grayscale(istream, *image, flip);
- break;
- case 24:
- targa_decode_rgb(istream, *image, flip);
- break;
- case 32:
- targa_decode_rgba(istream, *image, flip);
- break;
- default:
- globalErrorStream() << "LoadTGA: illegal pixel_size '" << targa_header.pixel_size << "'\n";
- image->release();
- return 0;
- }
- }
- else if (targa_header.image_type == 10)
- {
- switch (targa_header.pixel_size)
- {
- case 24:
- targa_decode_rle_rgb(istream, *image, flip);
- break;
- case 32:
- targa_decode_rle_rgba(istream, *image, flip);
- break;
- default:
- globalErrorStream() << "LoadTGA: illegal pixel_size '" << targa_header.pixel_size << "'\n";
- image->release();
- return 0;
- }
- }
-
- return image;
+Image* Targa_decodeImageData( const TargaHeader& targa_header, PointerInputStream& istream, const Flip& flip ){
+ RGBAImage* image = new RGBAImage( targa_header.width, targa_header.height );
+
+ if ( targa_header.image_type == 2 || targa_header.image_type == 3 ) {
+ switch ( targa_header.pixel_size )
+ {
+ case 8:
+ targa_decode_grayscale( istream, *image, flip );
+ break;
+ case 24:
+ targa_decode_rgb( istream, *image, flip );
+ break;
+ case 32:
+ targa_decode_rgba( istream, *image, flip );
+ break;
+ default:
+ globalErrorStream() << "LoadTGA: illegal pixel_size '" << targa_header.pixel_size << "'\n";
+ image->release();
+ return 0;
+ }
+ }
+ else if ( targa_header.image_type == 10 ) {
+ switch ( targa_header.pixel_size )
+ {
+ case 24:
+ targa_decode_rle_rgb( istream, *image, flip );
+ break;
+ case 32:
+ targa_decode_rle_rgba( istream, *image, flip );
+ break;
+ default:
+ globalErrorStream() << "LoadTGA: illegal pixel_size '" << targa_header.pixel_size << "'\n";
+ image->release();
+ return 0;
+ }
+ }
+
+ return image;
}
const unsigned int TGA_FLIP_HORIZONTAL = 0x10;
const unsigned int TGA_FLIP_VERTICAL = 0x20;
-Image* LoadTGABuff(const byte* buffer)
-{
- PointerInputStream istream(buffer);
- TargaHeader targa_header;
-
- targa_header_read_istream(targa_header, istream);
-
- if (targa_header.image_type != 2 && targa_header.image_type != 10 && targa_header.image_type != 3)
- {
- globalErrorStream() << "LoadTGA: TGA type " << targa_header.image_type << " not supported\n";
- globalErrorStream() << "LoadTGA: Only type 2 (RGB), 3 (gray), and 10 (RGB) TGA images supported\n";
- return 0;
- }
-
- if (targa_header.colormap_type != 0)
- {
- globalErrorStream() << "LoadTGA: colormaps not supported\n";
- return 0;
- }
-
- if ((targa_header.pixel_size != 32 && targa_header.pixel_size != 24)
- && targa_header.image_type != 3)
- {
- globalErrorStream() << "LoadTGA: Only 32 or 24 bit images supported\n";
- return 0;
- }
-
- if(!bitfield_enabled(targa_header.attributes, TGA_FLIP_HORIZONTAL)
- && !bitfield_enabled(targa_header.attributes, TGA_FLIP_VERTICAL))
- {
- return Targa_decodeImageData(targa_header, istream, Flip00());
- }
- if(!bitfield_enabled(targa_header.attributes, TGA_FLIP_HORIZONTAL)
- && bitfield_enabled(targa_header.attributes, TGA_FLIP_VERTICAL))
- {
- return Targa_decodeImageData(targa_header, istream, Flip01());
- }
- if(bitfield_enabled(targa_header.attributes, TGA_FLIP_HORIZONTAL)
- && !bitfield_enabled(targa_header.attributes, TGA_FLIP_VERTICAL))
- {
- return Targa_decodeImageData(targa_header, istream, Flip10());
- }
- if(bitfield_enabled(targa_header.attributes, TGA_FLIP_HORIZONTAL)
- && bitfield_enabled(targa_header.attributes, TGA_FLIP_VERTICAL))
- {
- return Targa_decodeImageData(targa_header, istream, Flip11());
- }
-
- // unreachable
- return 0;
+Image* LoadTGABuff( const byte* buffer ){
+ PointerInputStream istream( buffer );
+ TargaHeader targa_header;
+
+ targa_header_read_istream( targa_header, istream );
+
+ if ( targa_header.image_type != 2 && targa_header.image_type != 10 && targa_header.image_type != 3 ) {
+ globalErrorStream() << "LoadTGA: TGA type " << targa_header.image_type << " not supported\n";
+ globalErrorStream() << "LoadTGA: Only type 2 (RGB), 3 (gray), and 10 (RGB) TGA images supported\n";
+ return 0;
+ }
+
+ if ( targa_header.colormap_type != 0 ) {
+ globalErrorStream() << "LoadTGA: colormaps not supported\n";
+ return 0;
+ }
+
+ if ( ( targa_header.pixel_size != 32 && targa_header.pixel_size != 24 )
+ && targa_header.image_type != 3 ) {
+ globalErrorStream() << "LoadTGA: Only 32 or 24 bit images supported\n";
+ return 0;
+ }
+
+ if ( !bitfield_enabled( targa_header.attributes, TGA_FLIP_HORIZONTAL )
+ && !bitfield_enabled( targa_header.attributes, TGA_FLIP_VERTICAL ) ) {
+ return Targa_decodeImageData( targa_header, istream, Flip00() );
+ }
+ if ( !bitfield_enabled( targa_header.attributes, TGA_FLIP_HORIZONTAL )
+ && bitfield_enabled( targa_header.attributes, TGA_FLIP_VERTICAL ) ) {
+ return Targa_decodeImageData( targa_header, istream, Flip01() );
+ }
+ if ( bitfield_enabled( targa_header.attributes, TGA_FLIP_HORIZONTAL )
+ && !bitfield_enabled( targa_header.attributes, TGA_FLIP_VERTICAL ) ) {
+ return Targa_decodeImageData( targa_header, istream, Flip10() );
+ }
+ if ( bitfield_enabled( targa_header.attributes, TGA_FLIP_HORIZONTAL )
+ && bitfield_enabled( targa_header.attributes, TGA_FLIP_VERTICAL ) ) {
+ return Targa_decodeImageData( targa_header, istream, Flip11() );
+ }
+
+ // unreachable
+ return 0;
}
-Image* LoadTGA(ArchiveFile& file)
-{
- ScopedArchiveBuffer buffer(file);
- return LoadTGABuff(buffer.buffer);
+Image* LoadTGA( ArchiveFile& file ){
+ ScopedArchiveBuffer buffer( file );
+ return LoadTGABuff( buffer.buffer );
}
projects / xonotic / netradiant.git / blobdiff