Stub

src/main.cpp

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+/*
+    Copyleft {C} 2014 Michael Pohoreski
+    License: GPL2
+*/
+
+// Includes _______________________________________________________________
+    #include <stdio.h>
+    #include <stdlib.h>
+    #include <stdint.h> // uint8_t
+    #include <string.h> // memset
+#if 0
+    #include "wsvideo.cpp"
+#else
+    #define FRAMEBUFFER_W 600
+    #define FRAMEBUFFER_H 420
+#endif
+
+// Types __________________________________________________________________
+
+    enum
+    {
+        _8K = 8 * 1024
+    };
+
+    enum TargaImageType_e
+    {
+        TARGA_RGB = 2,
+        TARGA_HEADER_SIZE = 0x12
+    };
+
+    struct TargaHeader_t
+    {                                // Addr Bytes
+        uint8_t nIdBytes             ; // 00 01 size of ID field that follows 18 byte header (0 usually)
+        uint8_t bHasPalette          ; // 01 01
+        uint8_t iImageType           ; // 02 01 type of image 0=none,1=indexed,2=rgb,3=grey,+8=rle packed
+
+        int16_t iPaletteFirstColor   ; // 03 02
+        int16_t nPaletteColors       ; // 05 02
+        uint8_t nPaletteBitsPerEntry ; // 07 01 number of bits per palette entry 15,16,24,32
+
+        int16_t nOriginX             ; // 08 02 image x origin
+        int16_t nOriginY             ; // 0A 02 image y origin
+        int16_t nWidthPixels         ; // 0C 02
+        int16_t nHeightPixels        ; // 0E 02
+        uint8_t nBitsPerPixel        ; // 10 01 image bits per pixel 8,16,24,32
+        uint8_t iDescriptor          ; // 11 01 image descriptor bits (vh flip bits)
+
+        // pixel data...
+        uint8_t aPixelData[1]        ; // 12 ?? variable length RGB data
+    };
+
+// Globals (Private ) _____________________________________________________
+    uint8_t gaMemMain[ _8K ];
+    uint8_t gaMemAux [ _8K ];
+    uint32_t gaFrameBuffer[ FRAMEBUFFER_H ][ FRAMEBUFFER_W ];
+
+
+// Prototypes _____________________________________________________________
+    void convert( const char *pSrcFileName );
+    void init_mem();
+    void hgr2rgb();
+    void rgb2tga( TargaHeader_t *pTargaHeader );
+
+
+// Implementation _________________________________________________________
+
+    //========================================================================
+    void convert( const char *pSrcFileName )
+    {
+        char   aDstFileName[ 256 ];
+        char  *pDstFileName = aDstFileName;
+        size_t nLen = strlen( pSrcFileName );
+
+        strcpy( aDstFileName       , pSrcFileName );
+        strcat( pDstFileName + nLen, ".tga" );
+
+printf( "Src: '%s'\n", pSrcFileName );
+printf( "Dst: '%s'\n", pDstFileName ); 
+
+        FILE *pSrcFile = fopen( pSrcFileName, "rb" );
+        FILE *pDstFile = fopen( pDstFileName, "w+b" );
+
+        fread( gaMemMain, _8K, 1, pSrcFile );
+
+        TargaHeader_t tga;
+        hgr2rgb();
+        rgb2tga( &tga );
+
+        fwrite( (void*)&tga          , TARGA_HEADER_SIZE      , 1, pDstFile );
+        fwrite( (void*)&gaFrameBuffer, sizeof( gaFrameBuffer ), 1, pDstFile );
+
+        fclose( pDstFile );
+        fclose( pSrcFile );
+    }
+
+    //========================================================================
+    void init_mem()
+    {
+        memset( gaMemMain, 0, sizeof( gaMemMain ) );
+        memset( gaMemMain, 0, sizeof( gaMemAux  ) );
+
+        //memset( gaFrameBuffer, 0, sizeof( gaFrameBuffer ) );
+    }
+
+    //========================================================================
+    void hgr2rgb()
+    {
+        //g_pFuncVideoUpdate( VIDEO_SCANNER_6502_CYCLES );
+    }
+
+    //========================================================================
+    void rgb2tga( TargaHeader_t *pTargaHeader )
+    {
+        memset( (void*)pTargaHeader, 0, sizeof( TargaHeader_t ) );
+
+        pTargaHeader->iImageType    = TARGA_RGB;
+        pTargaHeader->nWidthPixels  = FRAMEBUFFER_W;
+        pTargaHeader->nHeightPixels = FRAMEBUFFER_H;
+        pTargaHeader->nBitsPerPixel = 24;
+    }
+
+    //========================================================================
+    int main( const int nArg, const char *aArg[] )
+    {
+        init_mem();
+        //init_wsvideo();
+
+        if( nArg > 1 )
+        {
+            convert( aArg[1] );
+        }
+
+        return 0;
+    }
+