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Draw content in display loop only when needed

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Example for splash screen.
This commit is contained in:
AnHardt 2015-04-05 12:53:20 +02:00
parent 9865318f1c
commit bf04a92cc0
1 changed files with 20 additions and 13 deletions
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31
Marlin/dogm_lcd_implementation.h
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@ -186,7 +186,7 @@ char lcd_printPGM(const char* str) {
return n;
}
static int8_t show_splashscreed = 2;
int8_t show_splashscreen = 2;
static void lcd_implementation_init()
{
@ -221,18 +221,25 @@ static void lcd_implementation_init()
u8g.firstPage();
do {
if (show_splashscreed) {
u8g.drawBitmapP(offx, offy, START_BMPBYTEWIDTH, START_BMPHEIGHT, start_bmp);
lcd_setFont(FONT_MENU);
#ifndef STRING_SPLASH_LINE2
u8g.drawStr(txt1X, u8g.getHeight() - DOG_CHAR_HEIGHT, STRING_SPLASH_LINE1);
#else
int txt2X = (u8g.getWidth() - (sizeof(STRING_SPLASH_LINE2) - 1)*DOG_CHAR_WIDTH) / 2;
u8g.drawStr(txt1X, u8g.getHeight() - DOG_CHAR_HEIGHT*3/2, STRING_SPLASH_LINE1);
u8g.drawStr(txt2X, u8g.getHeight() - DOG_CHAR_HEIGHT*1/2, STRING_SPLASH_LINE2);
#endif
show_splashscreed--;
switch (show_splashscreen) {
case 2 : {
u8g.drawBitmapP(offx, offy, START_BMPBYTEWIDTH, START_BMPHEIGHT, start_bmp);
break;
}
case 1 : {
lcd_setFont(FONT_MENU);
#ifndef STRING_SPLASH_LINE2
u8g.drawStr(txt1X, u8g.getHeight() - DOG_CHAR_HEIGHT, STRING_SPLASH_LINE1);
#else
int txt2X = (u8g.getWidth() - (sizeof(STRING_SPLASH_LINE2) - 1)*DOG_CHAR_WIDTH) / 2;
u8g.drawStr(txt1X, u8g.getHeight() - DOG_CHAR_HEIGHT*3/2, STRING_SPLASH_LINE1);
u8g.drawStr(txt2X, u8g.getHeight() - DOG_CHAR_HEIGHT*1/2, STRING_SPLASH_LINE2);
#endif
break;
}
break;
}
if (show_splashscreen) show_splashscreen--;
} while (u8g.nextPage());
}