Add libraries, picocalc notes.
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// Draw random coloured smooth (anti-aliased) rounded rectangles on the TFT
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#include <TFT_eSPI.h>
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TFT_eSPI tft = TFT_eSPI();
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void setup(void) {
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tft.init();
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tft.fillScreen(TFT_BLACK); // Background is black
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}
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void loop() {
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tft.fillScreen(TFT_BLACK);
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tft.setCursor(0, 0);
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// Draw some random smooth rounded rectangles
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for (int i = 0; i < 20; i++)
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{
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int radius = random(60);
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int w = random(2 * radius, 160);
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int h = random(2 * radius, 160);
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int t = random(1, radius / 3);
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int x = random(tft.width() - w);
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int y = random(tft.height() - h);
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// Random colour is anti-aliased (blended) with background colour (black in this case)
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tft.drawSmoothRoundRect(x, y, radius, radius - t, w, h, random(0x10000), TFT_BLACK);
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}
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tft.print("Variable thickness");
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delay(2000);
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tft.fillScreen(TFT_BLACK);
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tft.setCursor(0, 0);
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// Draw some random minimum thickness smooth rounded rectangles
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for (int i = 0; i < 20; i++)
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{
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int radius = random(60);
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int w = random(2 * radius, 160);
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int h = random(2 * radius, 160);
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int t = 0;
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int x = random(tft.width() - w);
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int y = random(tft.height() - h);
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// Random colour is anti-aliased (blended) with background colour (black in this case)
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tft.drawSmoothRoundRect(x, y, radius, radius - t, w, h, random(0x10000), TFT_BLACK);
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}
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tft.print("Minimum thickness");
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delay(2000);
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}
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