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| author | Juan J. Martinez <jjm@usebox.net> | 2021-05-03 08:21:10 +0100 |
|---|---|---|
| committer | Juan J. Martinez <jjm@usebox.net> | 2021-05-03 10:00:00 +0100 |
| commit | c3b0fa04a663fe233765b83d3be41a42aa08c25d (patch) | |
| tree | 0befda349001ef6ce306b39378f9c70ad917363e /tools/iDSK/src/BitmapCPC.cpp | |
| download | return-of-traxtor-cpc-main.tar.gz return-of-traxtor-cpc-main.zip | |
Diffstat (limited to 'tools/iDSK/src/BitmapCPC.cpp')
| -rw-r--r-- | tools/iDSK/src/BitmapCPC.cpp | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/tools/iDSK/src/BitmapCPC.cpp b/tools/iDSK/src/BitmapCPC.cpp new file mode 100644 index 0000000..19b39a6 --- /dev/null +++ b/tools/iDSK/src/BitmapCPC.cpp @@ -0,0 +1,264 @@ +#include <iostream>
+#include <cstdio>
+#include "MyType.h"
+#include "BitmapCPC.h"
+#include "GestDsk.h"
+#include <string>
+#include <cstring>
+using namespace std;
+
+
+//
+// Couleurs du CPC converties en composantes r, v, b
+//
+static StRVB RgbCPC[ 27 ] =
+ {
+ { 0x00, 0x00, 0x00, 0x00 },
+ { 0x7F, 0x00, 0x00, 0x00 },
+ { 0xFF, 0x00, 0x00, 0x00 },
+ { 0x00, 0x00, 0x7F, 0x00 },
+ { 0x7F, 0x00, 0x7F, 0x00 },
+ { 0xFF, 0x00, 0x7F, 0x00 },
+ { 0x00, 0x00, 0xFF, 0x00 },
+ { 0x7F, 0x00, 0xFF, 0x00 },
+ { 0xFF, 0x00, 0xFF, 0x00 },
+ { 0x00, 0x7F, 0x00, 0x00 },
+ { 0x7F, 0x7F, 0x00, 0x00 },
+ { 0xFF, 0x7F, 0x00, 0x00 },
+ { 0x00, 0x7F, 0x7F, 0x00 },
+ { 0x7F, 0x7F, 0x7F, 0x00 },
+ { 0xFF, 0x7F, 0x7F, 0x00 },
+ { 0x00, 0x7F, 0xFF, 0x00 },
+ { 0x7F, 0x7F, 0xFF, 0x00 },
+ { 0xFF, 0x7F, 0xFF, 0x00 },
+ { 0x00, 0xFF, 0x00, 0x00 },
+ { 0x7F, 0xFF, 0x00, 0x00 },
+ { 0xFF, 0xFF, 0x00, 0x00 },
+ { 0x00, 0xFF, 0x7F, 0x00 },
+ { 0x7F, 0xFF, 0x7F, 0x00 },
+ { 0xFF, 0xFF, 0x7F, 0x00 },
+ { 0x00, 0xFF, 0xFF, 0x00 },
+ { 0x7F, 0xFF, 0xFF, 0x00 },
+ { 0xFF, 0xFF, 0xFF, 0x00 }
+ };
+
+
+int GetRgbCPC( int Coul )
+{
+ if ( Coul >= 0 && Coul < 27 )
+ {
+ StRVB i = RgbCPC[ Coul ];
+ return( ( i.b << 16 ) + ( i.v << 8 ) + i.r );
+ }
+ return( -1 );
+}
+
+
+StRVB GetPalCPC( int Coul )
+{
+ if ( Coul >= 0 && Coul < 27 )
+ return( RgbCPC[ Coul ] );
+
+ return( RgbCPC[ 0 ] );
+}
+
+
+void InitPalette( unsigned char NewPal[ 16 ], bool SetNewPal )
+{
+ /*
+ Si sauvegard� avec ConvImgCpc, alors la palette se trouve
+ dans l'image...
+ */
+ int i;
+ if ( BitmapCPC[ 0x7D0 ] == 0x3A
+ && BitmapCPC[ 0x7D1 ] == 0xD0
+ && BitmapCPC[ 0x7D2 ] == 0xD7
+ && BitmapCPC[ 0x7D3 ] == 0xCD
+ )
+ {
+ Mode = BitmapCPC[ 0x17D0 ];
+ for ( i = 0; i < 16; i++ )
+ Palette[ i ] = BitmapCPC[ 0x17D1 + i ];
+ }
+ if ( SetNewPal )
+ for ( i = 0; i < 16; i++ )
+ Palette[ i ] = NewPal[ i ];
+}
+
+
+//
+// D�compacter une image au format OCP
+//
+void DepactOCP( void )
+{
+ static unsigned char BufTmp[ 0x4000 ];
+ int PosIn = 0, PosOut = 0;
+ int LgOut, CntBlock = 0;
+ int c,i;
+ unsigned char a;
+ memcpy( BufTmp, BitmapCPC, sizeof( BufTmp ) );
+ memset( BitmapCPC, 0, 0x4000 );
+ while( PosOut < 0x4000 )
+ {
+ if ( ! strncmp( ( char * )&BufTmp[ PosIn ], "MJH", 3 ) )
+ {
+ PosIn += 3;
+ LgOut = BufTmp[ PosIn++ ];
+ LgOut += ( BufTmp[ PosIn++ ] << 8 );
+ CntBlock = 0;
+ while( CntBlock < LgOut )
+ {
+ if ( ! strncmp( ( char * )&BufTmp[ PosIn ], "MJH", 3 ) )
+ break;
+
+ a = BufTmp[ PosIn++ ];
+ if ( a == MARKER_OCP )
+ {
+ c = BufTmp[ PosIn++ ];
+ a = BufTmp[ PosIn++ ];
+ if ( ! c )
+ c = 0x100;
+
+ for ( i = 0; i < c && CntBlock < LgOut; i++ )
+ {
+ BitmapCPC[ PosOut++ ] = a;
+ CntBlock++;
+ }
+ }
+ else
+ {
+ BitmapCPC[ PosOut++ ] = a;
+ CntBlock++;
+ }
+ }
+ }
+ else
+ PosOut = 0x4000;
+ }
+}
+
+
+bool LireImage( char * Nom, StRVB * Bitmap )
+{
+ static unsigned char Entete[ 0x80 ];
+ bool Ret = FALSE;
+ //DWORD Nb;
+ FILE* hFile;
+
+
+ if ( (hFile=fopen(Nom,"rb"))!=NULL )
+ {
+ fread(Entete,sizeof(Entete),1,hFile);
+ // ReadFile( hFile, Entete, sizeof( Entete ), &Nb, NULL );
+ if ( CheckAmsdos( Entete ) )
+ {
+ fread(BitmapCPC,sizeof( BitmapCPC ),1,hFile);
+ // ReadFile( hFile, BitmapCPC, sizeof( BitmapCPC ), &Nb, NULL );
+ if ( ! strncmp( ( char * )BitmapCPC, "MJH", 3 ) )
+ DepactOCP();
+
+ InitPalette( NULL, FALSE );
+ Ret = TRUE;
+ }
+ // CloseHandle( hFile );
+ fclose(hFile);
+ if ( Ret )
+ Render( Bitmap, 1 );
+ }
+ return( Ret );
+
+}
+
+
+//
+// Affiche l'image � l'�cran
+//
+void Render( StRVB * Bitmap, bool Flat )
+{
+ int AdrCPC = 0, i, p0, p1, p2, p3;
+ int y,x,AdrBitmap;
+ unsigned char Octet;
+ for ( y = 0; y < NbLignes; y++ )
+ {
+ AdrBitmap = TAILLE_CPC_X * ( y + ( ( 200 - NbLignes ) >> 1 ) )
+ + ( ( ( 80 - NbCol ) >> 1 ) << 3 );
+ for ( x = 0; x < NbCol; x++ )
+ {
+ Octet = BitmapCPC[ AdrCPC + x ];
+ switch( Mode )
+ {
+ case 0 :
+ case 3 : // Mode 3 = Mode 0
+ p0 = ( Octet >> 7 )
+ + ( ( Octet & 0x20 ) >> 3 )
+ + ( ( Octet & 0x08 ) >> 2 )
+ + ( ( Octet & 0x02 ) << 2 );
+ p1 = ( ( Octet & 0x40 ) >> 6 )
+ + ( ( Octet & 0x10 ) >> 2 )
+ + ( ( Octet & 0x04 ) >> 1 )
+ + ( ( Octet & 0x01 ) << 3 );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p0 ] );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p0 ] );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p0 ] );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p0 ] );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p1 ] );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p1 ] );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p1 ] );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p1 ] );
+ break;
+
+ case 1 :
+ p0 = ( ( Octet >> 7 ) & 1 ) + ( ( Octet >> 2 ) & 2 );
+ p1 = ( ( Octet >> 6 ) & 1 ) + ( ( Octet >> 1 ) & 2 );
+ p2 = ( ( Octet >> 5 ) & 1 ) + ( ( Octet >> 0 ) & 2 );
+ p3 = ( ( Octet >> 4 ) & 1 ) + ( ( Octet << 1 ) & 2 );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p0 ] );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p0 ] );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p1 ] );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p1 ] );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p2 ] );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p2 ] );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p3 ] );
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ p3 ] );
+ break;
+
+ case 2 :
+ for ( i = 8; i--; )
+ Bitmap[ AdrBitmap++ ] = GetPalCPC( Palette[ ( Octet >> i ) & 1 ] );
+ break;
+ }
+ }
+ if ( Flat )
+ AdrCPC += NbCol;
+ else
+ {
+ AdrCPC += 0x800;
+ if ( AdrCPC > 0x3FFF )
+ AdrCPC -= 0x3FB0;
+ }
+ }
+}
+
+
+void SetBitmapCPC( unsigned char * BitmapSource )
+{
+ memcpy( BitmapCPC, BitmapSource, 0x4000 );
+ if ( ! strncmp( ( char * )BitmapCPC, "MJH", 3 ) )
+ DepactOCP();
+
+ InitPalette( NULL, FALSE );
+}
+
+
+void SetNbCol( int n )
+{
+ if ( n > 0 && n <= 80 )
+ NbCol = n;
+}
+
+
+void SetNbLignes( int n )
+{
+ if ( n > 0 && n <= 200 )
+ NbLignes = n;
+}
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