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#include "zxvid_com.h"
#if !defined HAVE_LCD_COLOR && defined USE_GRAY
/*
use for slightly different colors
#define N0 0x04
#define N1 0x34
#define B0 0x08
#define B1 0x3F
*/
/* these ones are the same as for color targets ... may be tweak for greyscale? */
#define N0 0x00
#define N1 0xAA
#define B0 0x55
#define B1 0xFF
static unsigned char graybuffer[LCD_HEIGHT*LCD_WIDTH] IBSS_ATTR; /* off screen buffer */
struct rgb norm_colors[COLORNUM]={
{0,0,0},{N0,N0,N1},{N1,N0,N0},{N1,N0,N1},
{N0,N1,N0},{N0,N1,N1},{N1,N1,N0},{N1,N1,N1},
{0x15,0x15,0x15},{B0,B0,B1},{B1,B0,B0},{B1,B0,B1},
{B0,B1,B0},{B0,B1,B1},{B1,B1,B0},{B1,B1,B1}
};
void init_spect_scr(void)
{
int i;
for(i = 0; i < 16; i++)
sp_colors[i] = 0.3*norm_colors[i].r + 0.59*norm_colors[i].g + 0.11*norm_colors[i].b;
if ( settings.invert_colors ){
int i;
for ( i = 0 ; i < 16 ; i++ )
sp_colors[i] = 255 - sp_colors[i];
}
sp_image = (char *) &image_array;
spscr_init_mask_color();
spscr_init_line_pointers(HEIGHT);
}
void update_screen(void)
{
char str[80];
int y=0;
int x=0;
unsigned char* image;
int srcx, srcy=0; /* x / y coordinates in source image */
image = sp_image + ( (Y_OFF)*(WIDTH) ) + X_OFF;
unsigned char* buf_ptr;
buf_ptr = (unsigned char*) &graybuffer;
for(y = 0; y < LCD_HEIGHT; y++)
{
srcx = 0; /* reset our x counter before each row... */
for(x = 0; x < LCD_WIDTH; x++)
{
*buf_ptr=image[(srcx>>16)];
srcx += X_STEP; /* move through source image */
buf_ptr++;
}
srcy += Y_STEP; /* move through the source image... */
image += (srcy>>16)*WIDTH; /* and possibly to the next row. */
srcy &= 0xffff; /* set up the y-coordinate between 0 and 1 */
}
#ifdef USE_BUFFERED_GRAY
gray_gray_bitmap(graybuffer, 0, 0, LCD_WIDTH, LCD_HEIGHT);
#endif
if ( settings.showfps ) {
int percent=0;
int TPF = HZ/50;/* ticks per frame */
if ((*rb->current_tick-start_time) > TPF )
percent = 100*video_frames/((*rb->current_tick-start_time)/TPF);
rb->snprintf(str,sizeof(str),"%d %%",percent);
#if defined USE_BUFFERED_GRAY
gray_putsxy(0,0,str);
#else
LOGF(str);
#endif
}
#if defined USE_BUFFERED_GRAY
gray_update();
#else
gray_ub_gray_bitmap(graybuffer, 0, 0, LCD_WIDTH, LCD_HEIGHT);
#endif
}
#endif
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