Example #1
0
unsigned long testFilledTriangles() {
    unsigned long start, t = 0;
    int i, cx = tft.width() / 2 - 1,
            cy = tft.height() / 2 - 1;

    tft.fillScreen(ILI9341_BLACK);
    start = micros();
    for (i = min(cx, cy); i > 10; i -= 5) {
        start = micros();
        tft.fillTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,
                tft.Color565(0, i, i));
        t += micros() - start;
        tft.drawTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,
                tft.Color565(i, i, 0));
    }

    return t;
}
Example #2
0
unsigned long testTriangles() {
    unsigned long start;
    int n, i, cx = tft.width() / 2 - 1,
            cy = tft.height() / 2 - 1;

    tft.fillScreen(ILI9341_BLACK);
    n = min(cx, cy);
    start = micros();
    for (i = 0; i < n; i += 5) {
        tft.drawTriangle(
                cx, cy - i, // peak
                cx - i, cy + i, // bottom left
                cx + i, cy + i, // bottom right
                tft.Color565(0, 0, i));
    }

    return micros() - start;
}