// Tests scale mode with an additional copy for transparency. This will happen
// if we have a scaled textbox, for example. WebKit will create a new
// transparency layer, draw the text field, then draw the text into it, then
// composite this down with an opacity.
TEST(TransparencyWin, ScaleTransparency)
{
// Create an opaque white buffer.
OwnPtr<ImageBuffer> src(ImageBuffer::create(IntSize(16, 16), 1));
FloatRect fullBuffer(0, 0, 16, 16);
src->context()->fillRect(fullBuffer, Color::white);
// Make another layer (which duplicates how WebKit will make this). We fill
// the top half with red, and have the layer be 50% opaque.
src->context()->beginTransparencyLayer(0.5);
FloatRect topHalf(0, 0, 16, 8);
src->context()->fillRect(topHalf, Color(0xFFFF0000));
// Scale by 2x.
src->context()->save();
AffineTransform scale;
scale.scale(2.0);
src->context()->concatCTM(scale);
// Make a layer inset two pixels (because of scaling, this is 2->14). And
// will it with 50% black.
{
TransparencyWin helper;
helper.init(src->context(),
TransparencyWin::OpaqueCompositeLayer,
TransparencyWin::ScaleTransform,
IntRect(1, 1, 6, 6));
helper.context()->fillRect(helper.drawRect(), Color(0x7f000000));
clearTopLayerAlphaChannel(helper.context());
helper.composite();
}
// Finish the layer.
src->context()->restore();
src->context()->endLayer();
Color redBackground(0xFFFF8080); // 50% red composited on white.
EXPECT_EQ(redBackground, getPixelAt(src->context(), 0, 0));
EXPECT_EQ(redBackground, getPixelAt(src->context(), 1, 1));
// Top half (minus two pixel border) should be 50% gray atop opaque
// red = 0xFF804141. Then that's composited with 50% transparency on solid
// white = 0xFFC0A1A1.
Color darkRed(0xFFBF8080);
EXPECT_EQ(darkRed, getPixelAt(src->context(), 2, 2));
EXPECT_EQ(darkRed, getPixelAt(src->context(), 7, 7));
// Bottom half (minus a two pixel border) should be a layer with 5% gray
// with another 50% opacity composited atop white.
Color darkWhite(0xFFBFBFBF);
EXPECT_EQ(darkWhite, getPixelAt(src->context(), 8, 8));
EXPECT_EQ(darkWhite, getPixelAt(src->context(), 13, 13));
Color white(0xFFFFFFFF); // Background in the lower-right.
EXPECT_EQ(white, getPixelAt(src->context(), 14, 14));
EXPECT_EQ(white, getPixelAt(src->context(), 15, 15));
}
void GameScreen::paintEvent(QPaintEvent * event) {
if (r >= 255) {
r_dir = RANGE_DOWN;
g_dir = RANGE_UP;
b_dir = RANGE_IDLE;
}
if (g >= 255) {
r_dir = RANGE_IDLE;
g_dir = RANGE_DOWN;
b_dir = RANGE_UP;
}
if (b >= 255) {
r_dir = RANGE_UP;
g_dir = RANGE_IDLE;
b_dir = RANGE_DOWN;
}
if (r_dir == RANGE_UP) {
r += 5;
}
else if (r_dir == RANGE_DOWN){
r -= 5;
}
if (g_dir == RANGE_UP) {
g += 5;
}
else if (g_dir == RANGE_DOWN){
g -= 5;
}
if (b_dir == RANGE_UP) {
b += 5;
}
else if (b_dir == RANGE_DOWN) {
b -= 5;
}
QColor white(255, 255, 255);
QColor darkWhite(250, 250, 250);
QColor pink(255, 192, 203);
QColor brown(97, 25, 11);
QColor rainbow(r, g, b);
QColor neg_rainbow(255 - r, 255 - g, 255 - b);
QPainter painter(this);
painter.fillRect(0, 0, width(), height(), darkWhite);
painter.setPen(QPen(Qt::black, 1));
if (mode == MODE_MENU) {
painter.drawText(400, 300, "Press the Space Key to Start");
}
else if (mode == MODE_RUNNING) {
//draw coffee
painter.setPen(QPen(darkWhite, 1));
for (int i = 0; i < coffee_loc.size(); i++) {
painter.drawRect(coffee_loc[i].first * sq_s, coffee_loc[i].second * sq_s, sq_s, sq_s);
painter.fillRect(coffee_loc[i].first * sq_s + 1, coffee_loc[i].second * sq_s + 1, sq_s - 1, sq_s - 1, rainbow);
}
//draw fruit
painter.setPen(QPen(pink, 1));
painter.setBrush(pink);
for (int i = 0; i < fruit_loc.size(); i++) {
painter.drawEllipse((fruit_loc[i].first * sq_s), (fruit_loc[i].second * sq_s), sq_s, sq_s);
}
//draw snake
painter.setPen(QPen(darkWhite, 1));
for (int i = 0; i < body.size(); i++) {
painter.drawRect(body[i].first * sq_s, body[i].second * sq_s, sq_s, sq_s);
painter.fillRect(body[i].first * sq_s + 1, body[i].second * sq_s + 1, sq_s - 1, sq_s - 1,neg_rainbow);
}
}
else if (mode == MODE_GAMEOVER) {
painter.setPen(QPen(Qt::lightGray, 1));
for (int i = 0; i < body.size(); i++) {
painter.drawRect(body[i].first * sq_s, body[i].second * sq_s, sq_s, sq_s);
painter.fillRect(body[i].first * sq_s + 1, body[i].second * sq_s + 1, sq_s - 1, sq_s - 1, Qt::gray);
}
painter.setPen(QPen(Qt::red, 1));
painter.drawText(400, 300, "GAMEOVER");
}
}
