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pacbox for small screens, up to 75x96

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Change-Id: I6e9adf2f6923f4d0078a54e9857fc8eacef259a6
This commit is contained in:
Sebastian Leonhardt 2016-04-12 17:20:04 +02:00
parent 96335a7eb2
commit fb3f7651fd
6 changed files with 65 additions and 2 deletions
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39
apps/plugins/pacbox/pacbox_lcd.c
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@ -124,7 +124,46 @@ void blit_display(fb_data* lcd_framebuffer, unsigned char* vbuf)
dst += XOFS*2;
vbuf+=ScreenWidth;
}
#elif LCD_SCALE==40 && LCD_ROTATE==1
/* 0.4 scaling - rotated = 116x90 */
/* show 2 out of 5 pixels: 1st and 3rd anf 4th merged together */
next_dst=&lcd_framebuffer[XOFS*LCD_WIDTH+YOFS+ScreenHeight*2/5-1];
for (y=(ScreenHeight*2/5)-1;y >= 0; y--) {
dst = (next_dst--);
for (x=0;x<ScreenWidth*2/5;x++) {
*dst = palette[*(vbuf)] | palette[*(vbuf+ScreenWidth+1)];
/* every odd row number merge 2 source lines as one */
if (y & 1) *dst |= palette[*(vbuf+ScreenWidth*2)];
vbuf+=2;
dst+=LCD_WIDTH;
x++;
/* every odd column merge 2 colums together */
*dst = palette[*(vbuf)] | palette[*(vbuf+1)] |palette[*(vbuf+ScreenWidth+2)];
if (y & 1) *dst |= palette[*(vbuf+ScreenWidth*2+1)];
vbuf+=3;
dst+=LCD_WIDTH;
}
vbuf+=ScreenWidth-1;
if (y & 1) vbuf+=ScreenWidth;
}
#elif LCD_SCALE==33 && LCD_ROTATE==0
/* 1/3 scaling - display every third pixel - 75x96 */
(void)next_dst;
dst=&lcd_framebuffer[YOFS*LCD_WIDTH+XOFS];
for (y=0;y<ScreenHeight/3;y++) {
for (x=0;x<ScreenWidth/3;x++) {
*(dst++) = palette[*(vbuf)]
| palette[*(vbuf+ScreenWidth+1)]
| palette[*(vbuf+ScreenWidth*2+2)];
vbuf+=3;
}
dst += XOFS*2;
vbuf+=ScreenWidth*2+2;
}
#endif
#else /* Greyscale LCDs */
#if LCD_SCALE==50 && LCD_ROTATE==1
#if LCD_PIXELFORMAT == VERTICAL_PACKING