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