IntegralViewer::IntegralViewer(functionPointer f, int width, int height, Decimal startX, Decimal stopX, Decimal startY, Decimal stopY, std::string fname) {
myF = f;
myWidth = width; myHeight = height;
myStartX = startX; myStopX = stopX;
myStartY = startY; myStopY = stopY;
myRecTime = myTrapTime = 0;
myDelay = FRAME;
std::stringstream ss;
ss.str("Integral of " + fname + " from " + to_string(myStartX) + " to " + to_string(myStopX));
setupCanvas(myTrapCanvas, ss.str() + " using Trapezoids", myDelay); //Canvas for trapezoid method
setupCanvas(myRecCanvas, ss.str() + " using Rectangles", myDelay); //Canvas for rectangle method
}
void BaseRenderer::renderTiledContent(TileRenderInfo& renderInfo)
{
const bool visualIndicator = TilesManager::instance()->getShowVisualIndicator();
const SkSize& tileSize = renderInfo.tileSize;
SkCanvas canvas;
setupCanvas(renderInfo, &canvas);
if (!canvas.getDevice()) {
// TODO: consider ALOGE
ALOGV("Error: No Device");
return;
}
double before;
if (visualIndicator) {
canvas.save();
before = currentTimeMS();
}
canvas.translate(-renderInfo.x * tileSize.width(), -renderInfo.y * tileSize.height());
canvas.scale(renderInfo.scale, renderInfo.scale);
if (renderInfo.tilePainter == NULL) {
ALOGV("Error: No tilePainter");
return;
}
renderInfo.tilePainter->paint(&canvas);
if (renderInfo.baseTile && renderInfo.baseTile->backTexture())
checkForPureColor(renderInfo, &canvas);
else
renderInfo.isPureColor = false;
if (visualIndicator) {
double after = currentTimeMS();
canvas.restore();
unsigned int updateCount = renderInfo.tilePainter->getUpdateCount() & UPDATE_COUNT_MASK;
const int color = updateCount & UPDATE_COUNT_ALPHA_MASK;
// only color the invalidated area
SkPaint paint;
paint.setARGB(color, 0, 255, 0);
SkIRect rect;
rect.set(0, 0, tileSize.width(), tileSize.height());
canvas.drawIRect(rect, paint);
drawTileInfo(&canvas, renderInfo, updateCount, after - before);
// paint the tile boundaries
paint.setARGB(64, 255, 0, 0);
paint.setStrokeWidth(3);
canvas.drawLine(0, 0, tileSize.width(), tileSize.height(), paint);
paint.setARGB(64, 0, 255, 0);
canvas.drawLine(0, tileSize.height(), tileSize.width(), 0, paint);
paint.setARGB(128, 0, 0, 255);
canvas.drawLine(tileSize.width(), 0, tileSize.width(), tileSize.height(), paint);
}
renderingComplete(renderInfo, &canvas);
}
Viewer::Viewer(
const QSurfaceFormat & format
, QWidget * parent
, Qt::WindowFlags flags)
: QMainWindow(parent, flags)
, m_ui(new Ui_Viewer)
, m_canvas(nullptr)
, m_fullscreenShortcut(nullptr)
, m_swapIntervalShortcut(nullptr)
{
m_ui->setupUi(this);
setWindowTitle(QApplication::applicationDisplayName());
setup();
setupCanvas(format);
restore();
updateAfterFullScreenToggle();
}
