apps/plugins/zxbox/zxvid_16bpp.c

   1 #include "zxvid_com.h"
   2
   3 /* screen routines for color targets */
   4
   5 #define N0 0x00
   6 #define N1 0xC0
   7 #define B0 0x00
   8 #define B1 0xFF
   9
  10 #define IN0 (0xFF-N0)
  11 #define IN1 (0xFF-N1)
  12 #define IB0 (0xFF-B0)
  13 #define IB1 (0xFF-B1)
  14
  15 static const fb_data _16bpp_colors[32] = {
  16     /* normal */
  17     LCD_RGBPACK(N0, N0, N0), LCD_RGBPACK(N0, N0, N1),
  18     LCD_RGBPACK(N1, N0, N0), LCD_RGBPACK(N1, N0, N1),
  19     LCD_RGBPACK(N0, N1, N0), LCD_RGBPACK(N0, N1, N1),
  20     LCD_RGBPACK(N1, N1, N0), LCD_RGBPACK(N1, N1, N1),
  21     LCD_RGBPACK(B0, B0, B0), LCD_RGBPACK(B0, B0, B1),
  22     LCD_RGBPACK(B1, B0, B0), LCD_RGBPACK(B1, B0, B1),
  23     LCD_RGBPACK(B0, B1, B0), LCD_RGBPACK(B0, B1, B1),
  24     LCD_RGBPACK(B1, B1, B0), LCD_RGBPACK(B1, B1, B1),
  25     /* inverted */
  26     LCD_RGBPACK(IN0, IN0, IN0), LCD_RGBPACK(IN0, IN0, IN1),
  27     LCD_RGBPACK(IN1, IN0, IN0), LCD_RGBPACK(IN1, IN0, IN1),
  28     LCD_RGBPACK(IN0, IN1, IN0), LCD_RGBPACK(IN0, IN1, IN1),
  29     LCD_RGBPACK(IN1, IN1, IN0), LCD_RGBPACK(IN1, IN1, IN1),
  30     LCD_RGBPACK(IB0, IB0, IB0), LCD_RGBPACK(IB0, IB0, IB1),
  31     LCD_RGBPACK(IB1, IB0, IB0), LCD_RGBPACK(IB1, IB0, IB1),
  32     LCD_RGBPACK(IB0, IB1, IB0), LCD_RGBPACK(IB0, IB1, IB1),
  33     LCD_RGBPACK(IB1, IB1, IB0), LCD_RGBPACK(IB1, IB1, IB1),
  34 };
  35
  36 void init_spect_scr(void)
  37 {
  38     int i;
  39     int offset = settings.invert_colors ? 16 : 0;
  40
  41     for(i = 0; i < 16; i++)
  42         sp_colors[i] = i + offset;
  43
  44     sp_image = (char *) &image_array;
  45     spscr_init_mask_color();
  46     spscr_init_line_pointers(HEIGHT);
  47
  48 }
  49
  50 void update_screen(void)
  51 {
  52     char str[80];
  53     fb_data *frameb;
  54
  55     int y=0;
  56
  57 #if LCD_HEIGHT >= ZX_HEIGHT && LCD_WIDTH >= ZX_WIDTH
  58     byte *scrptr;
  59     scrptr = (byte *) SPNM(image);
  60     frameb = rb->lcd_framebuffer;
  61     for ( y = 0 ; y < HEIGHT*WIDTH; y++ ){
  62         frameb[y] = _16bpp_colors[(unsigned)sp_image[y]];
  63     }
  64
  65 #else
  66     int x=0;
  67     int srcx, srcy=0;     /* x / y coordinates in source image */
  68     unsigned char* image;
  69     image = sp_image + ( (Y_OFF)*(WIDTH) ) + X_OFF;
  70     frameb = rb->lcd_framebuffer;
  71     for(y = 0; y < LCD_HEIGHT; y++)
  72     {
  73         srcx = 0;           /* reset our x counter before each row... */
  74         for(x = 0; x < LCD_WIDTH; x++)
  75         {
  76             *frameb = _16bpp_colors[image[srcx>>16]];
  77             srcx += X_STEP;    /* move through source image */
  78             frameb++;
  79         }
  80         srcy += Y_STEP;      /* move through the source image... */
  81         image += (srcy>>16)*WIDTH;   /* and possibly to the next row. */
  82         srcy &= 0xffff;     /* set up the y-coordinate between 0 and 1 */
  83     }
  84
  85 #endif
  86     if ( settings.showfps ) {
  87         int percent=0;
  88         int TPF = HZ/50;/* ticks per frame */
  89         if ((*rb->current_tick-start_time) > TPF )
  90             percent = 100*video_frames/((*rb->current_tick-start_time)/TPF);
  91         rb->snprintf(str,sizeof(str),"%d %%",percent);
  92         rb->lcd_putsxy(0,0,str);
  93     }
  94     rb -> lcd_update();
  95 }
  96
  97