Beispiel #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;
}
Beispiel #2
0
unsigned long testFilledRoundRects() {
    unsigned long start;
    int i, i2,
            cx = tft.width() / 2 - 1,
            cy = tft.height() / 2 - 1;

    tft.fillScreen(ILI9341_BLACK);
    start = micros();
    for (i = min(tft.width(), tft.height()); i > 20; i -= 6) {
        i2 = i / 2;
        tft.fillRoundRect(cx - i2, cy - i2, i, i, i / 8, tft.Color565(0, i, 0));
    }

    return micros() - start;
}
Beispiel #3
0
unsigned long testRoundRects() {
    unsigned long start;
    int w, i, i2,
            cx = tft.width() / 2 - 1,
            cy = tft.height() / 2 - 1;

    tft.fillScreen(ILI9341_BLACK);
    w = min(tft.width(), tft.height());
    start = micros();
    for (i = 0; i < w; i += 6) {
        i2 = i / 2;
        tft.drawRoundRect(cx - i2, cy - i2, i, i, i / 8, tft.Color565(i, 0, 0));
    }

    return micros() - start;
}
Beispiel #4
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;
}
Beispiel #5
0
unsigned long testRandomRects() {
    unsigned long start;
    int r, g, b, t, x, y, size = 16;
    float i = 0.0f;
    float pi = 3.1459; // 180 degrees

    start = micros();
    for (i = 0.0f; i < 2 * pi; i += (pi / 360.0)) {
        r = (sin(i) * 127) + 128;
        g = (sin(i + ((2 * pi) / 3.0)) * 127) + 128;
        b = (sin(i + ((4 * pi) / 3.0)) * 127) + 128;

        y = random(320 / size);
        x = random(240 / size);
        tft.fillRect(x * size, y*size, size, size, tft.Color565(r, g, b));
    }

    return micros() - start;
}