=================================================================
*/
-typedef struct {
- unsigned char manufacturer;
- unsigned char version;
- unsigned char encoding;
- unsigned char bits_per_pixel;
- unsigned short xmin, ymin, xmax, ymax;
- unsigned short hres, vres;
- unsigned char palette[48];
- unsigned char reserved;
- unsigned char color_planes;
- unsigned short bytes_per_line;
- unsigned short palette_type;
- unsigned char filler[58];
- unsigned char data; // unbounded
+typedef struct
+{
+ unsigned char manufacturer;
+ unsigned char version;
+ unsigned char encoding;
+ unsigned char bits_per_pixel;
+ unsigned short xmin, ymin, xmax, ymax;
+ unsigned short hres, vres;
+ unsigned char palette[48];
+ unsigned char reserved;
+ unsigned char color_planes;
+ unsigned short bytes_per_line;
+ unsigned short palette_type;
+ unsigned char filler[58];
+ unsigned char data; // unbounded
} pcx_t;
/*
==============
*/
-struct PCXRLEPacket {
- byte data;
- int length;
+struct PCXRLEPacket
+{
+ byte data;
+ int length;
};
-inline void ByteStream_readPCXRLEPacket(PointerInputStream &inputStream, PCXRLEPacket &packet)
-{
- byte d;
- inputStream.read(&d, 1);
- if ((d & 0xC0) == 0xC0) {
- packet.length = d & 0x3F;
- inputStream.read(&packet.data, 1);
- } else {
- packet.length = 1;
- packet.data = d;
- }
+inline void ByteStream_readPCXRLEPacket( PointerInputStream& inputStream, PCXRLEPacket& packet ){
+ byte d;
+ inputStream.read( &d, 1 );
+ if ( ( d & 0xC0 ) == 0xC0 ) {
+ packet.length = d & 0x3F;
+ inputStream.read( &packet.data, 1 );
+ }
+ else
+ {
+ packet.length = 1;
+ packet.data = d;
+ }
}
-void LoadPCXBuff(byte *buffer, std::size_t len, byte **pic, byte **palette, int *width, int *height)
-{
- *pic = 0;
-
- pcx_t pcx;
- int x, y, lsize;
- byte *out, *pix;
-
- /* parse the PCX file */
-
- PointerInputStream inputStream(buffer);
-
- pcx.manufacturer = istream_read_byte(inputStream);
- pcx.version = istream_read_byte(inputStream);
- pcx.encoding = istream_read_byte(inputStream);
- pcx.bits_per_pixel = istream_read_byte(inputStream);
- pcx.xmin = istream_read_int16_le(inputStream);
- pcx.ymin = istream_read_int16_le(inputStream);
- pcx.xmax = istream_read_int16_le(inputStream);
- pcx.ymax = istream_read_int16_le(inputStream);
- pcx.hres = istream_read_int16_le(inputStream);
- pcx.vres = istream_read_int16_le(inputStream);
- inputStream.read(pcx.palette, 48);
- pcx.reserved = istream_read_byte(inputStream);
- pcx.color_planes = istream_read_byte(inputStream);
- pcx.bytes_per_line = istream_read_int16_le(inputStream);
- pcx.palette_type = istream_read_int16_le(inputStream);
- inputStream.read(pcx.filler, 58);
-
-
- if (pcx.manufacturer != 0x0a
- || pcx.version != 5
- || pcx.encoding != 1
- || pcx.bits_per_pixel != 8) {
- return;
- }
-
- if (width) {
- *width = pcx.xmax + 1;
- }
- if (height) {
- *height = pcx.ymax + 1;
- }
-
- if (!pic) {
- return;
- }
-
- out = (byte *) malloc((pcx.ymax + 1) * (pcx.xmax + 1));
-
- *pic = out;
- pix = out;
-
- /* RR2DO2: pcx fix */
- lsize = pcx.color_planes * pcx.bytes_per_line;
-
- /* go scanline by scanline */
- for (y = 0; y <= pcx.ymax; y++, pix += pcx.xmax + 1) {
- /* do a scanline */
- for (x = 0; x <= pcx.xmax;) {
- /* RR2DO2 */
- PCXRLEPacket packet;
- ByteStream_readPCXRLEPacket(inputStream, packet);
-
- while (packet.length-- > 0) {
- pix[x++] = packet.data;
- }
- }
-
- /* RR2DO2: discard any other data */
- PCXRLEPacket packet;
- while (x < lsize) {
- ByteStream_readPCXRLEPacket(inputStream, packet);
- x++;
- }
- while (packet.length-- > 0) {
- x++;
- }
- }
-
- /* validity check */
- if (std::size_t(inputStream.get() - buffer) > len) {
- *pic = 0;
- }
-
- if (palette) {
- *palette = (byte *) malloc(768);
- memcpy(*palette, buffer + len - 768, 768);
- }
+void LoadPCXBuff( byte* buffer, std::size_t len, byte **pic, byte **palette, int *width, int *height ){
+ *pic = 0;
+
+ pcx_t pcx;
+ int x, y, lsize;
+ byte *out, *pix;
+
+ /* parse the PCX file */
+
+ PointerInputStream inputStream( buffer );
+
+ pcx.manufacturer = istream_read_byte( inputStream );
+ pcx.version = istream_read_byte( inputStream );
+ pcx.encoding = istream_read_byte( inputStream );
+ pcx.bits_per_pixel = istream_read_byte( inputStream );
+ pcx.xmin = istream_read_int16_le( inputStream );
+ pcx.ymin = istream_read_int16_le( inputStream );
+ pcx.xmax = istream_read_int16_le( inputStream );
+ pcx.ymax = istream_read_int16_le( inputStream );
+ pcx.hres = istream_read_int16_le( inputStream );
+ pcx.vres = istream_read_int16_le( inputStream );
+ inputStream.read( pcx.palette, 48 );
+ pcx.reserved = istream_read_byte( inputStream );
+ pcx.color_planes = istream_read_byte( inputStream );
+ pcx.bytes_per_line = istream_read_int16_le( inputStream );
+ pcx.palette_type = istream_read_int16_le( inputStream );
+ inputStream.read( pcx.filler, 58 );
+
+
+ if ( pcx.manufacturer != 0x0a
+ || pcx.version != 5
+ || pcx.encoding != 1
+ || pcx.bits_per_pixel != 8 ) {
+ return;
+ }
+
+ if ( width ) {
+ *width = pcx.xmax + 1;
+ }
+ if ( height ) {
+ *height = pcx.ymax + 1;
+ }
+
+ if ( !pic ) {
+ return;
+ }
+
+ out = (byte *)malloc( ( pcx.ymax + 1 ) * ( pcx.xmax + 1 ) );
+
+ *pic = out;
+ pix = out;
+
+ /* RR2DO2: pcx fix */
+ lsize = pcx.color_planes * pcx.bytes_per_line;
+
+ /* go scanline by scanline */
+ for ( y = 0; y <= pcx.ymax; y++, pix += pcx.xmax + 1 )
+ {
+ /* do a scanline */
+ for ( x = 0; x <= pcx.xmax; )
+ {
+ /* RR2DO2 */
+ PCXRLEPacket packet;
+ ByteStream_readPCXRLEPacket( inputStream, packet );
+
+ while ( packet.length-- > 0 )
+ {
+ pix[ x++ ] = packet.data;
+ }
+ }
+
+ /* RR2DO2: discard any other data */
+ PCXRLEPacket packet;
+ while ( x < lsize )
+ {
+ ByteStream_readPCXRLEPacket( inputStream, packet );
+ x++;
+ }
+ while ( packet.length-- > 0 )
+ {
+ x++;
+ }
+ }
+
+ /* validity check */
+ if ( std::size_t( inputStream.get() - buffer ) > len ) {
+ *pic = 0;
+ }
+
+ if ( palette ) {
+ *palette = (byte *)malloc( 768 );
+ memcpy( *palette, buffer + len - 768, 768 );
+ }
}
/*
LoadPCX32
==============
*/
-Image *LoadPCX32Buff(byte *buffer, std::size_t length)
-{
- byte *palette;
- byte *pic8;
- int i, c, p, width, height;
- byte *pic32;
-
- LoadPCXBuff(buffer, length, &pic8, &palette, &width, &height);
- if (!pic8) {
- return 0;
- }
-
- RGBAImage *image = new RGBAImage(width, height);
- c = (width) * (height);
- pic32 = image->getRGBAPixels();
- for (i = 0; i < c; i++) {
- p = pic8[i];
- pic32[0] = palette[p * 3];
- pic32[1] = palette[p * 3 + 1];
- pic32[2] = palette[p * 3 + 2];
- pic32[3] = 255;
- pic32 += 4;
- }
-
- free(pic8);
- free(palette);
-
- return image;
+Image* LoadPCX32Buff( byte* buffer, std::size_t length ){
+ byte *palette;
+ byte *pic8;
+ int i, c, p, width, height;
+ byte *pic32;
+
+ LoadPCXBuff( buffer, length, &pic8, &palette, &width, &height );
+ if ( !pic8 ) {
+ return 0;
+ }
+
+ RGBAImage* image = new RGBAImage( width, height );
+ c = ( width ) * ( height );
+ pic32 = image->getRGBAPixels();
+ for ( i = 0; i < c; i++ )
+ {
+ p = pic8[i];
+ pic32[0] = palette[p * 3];
+ pic32[1] = palette[p * 3 + 1];
+ pic32[2] = palette[p * 3 + 2];
+ pic32[3] = 255;
+ pic32 += 4;
+ }
+
+ free( pic8 );
+ free( palette );
+
+ return image;
}
-Image *LoadPCX32(ArchiveFile &file)
-{
- ScopedArchiveBuffer buffer(file);
- return LoadPCX32Buff(buffer.buffer, buffer.length);
+Image* LoadPCX32( ArchiveFile& file ){
+ ScopedArchiveBuffer buffer( file );
+ return LoadPCX32Buff( buffer.buffer, buffer.length );
}
projects / xonotic / netradiant.git / blobdiff