77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
/*
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Define one function to control all of the layout.
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It works per line with only one variable (tick).
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This one gives a way of scrolling through text.
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*/
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void layout(unsigned int tick) {
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display.clearDisplay();
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display.setTextSize(1);
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display.setTextColor(WHITE);
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display.setTextWrap(false);
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updateLine1(tick);
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updateLine2(tick);
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updateLine3(tick);
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updateLine4(tick);
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display.display();
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}
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void updateLine1(unsigned int tick) {
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//reset line
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display.drawRect(0, 0, display.width(), 8, BLACK);
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display.setCursor(0, 0);
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// First line (20)
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if (volume < 100 ) display.print(' ');
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display.print(volume);
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display.print(F("% "));
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display.print(F("|mm:ss/mm:ss|"));
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display.print(F(" "));
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if (repeat) display.print('r');
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else display.print('-');
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if (shuffle) display.print('z');
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else display.print('-');
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}
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void updateLine2(unsigned int tick) {
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//reset line
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display.drawRect(0, 8, display.width(), 16, BLACK);
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display.setCursor(0, 8);
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display.print(textscroll(title,tick));
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display.startscrollleft(0x06, 0x0F);
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}
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void updateLine3(unsigned int tick) {
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//reset line
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display.drawRect(0, 16, display.width(), 24, BLACK);
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display.setCursor(0, 16);
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display.print(textscroll(artist, tick));
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}
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void updateLine4(unsigned int tick) {
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//reset line
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display.drawRect(0, 24, display.width(), 32, BLACK);
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display.setCursor(0, 24);
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display.print(textscroll(album, tick));
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}
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String textscroll(String text, unsigned int tick) {
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int chars = 21;
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int len = text.length();
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String newstring = "";
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if ( len < chars) return text;
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text = text + " - ";
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for ( int i = 0; i < chars; i++ )
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newstring += text.charAt((tick + i) % (len+3));
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return newstring;
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}
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int calcMaxTicks() {
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maxticks = title.length() * artist.length() * album.length();
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return maxticks;
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}
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