bool PullToRefreshTrait::OnPreviewTouchMoved(Control& source, const TouchEventInfo& touchEventInfo) {
if(_captured) {
int offset;
if(_direction == PULL_TO_REFRESH_DIRECTION_TOP)
offset = (touchEventInfo.GetCurrentPosition() - _touchDownPoint).y;
else
offset = -(touchEventInfo.GetCurrentPosition() - _touchDownPoint).y;
float progress = (float)offset / (float)PULL_TO_REFRESH_OFFSET_LIMIT;
if(progress > 1.0f) {
progress = 1.0f;
}
Canvas *canvas = _progressControl->GetCanvasN();
int doneSize = (int)(canvas->GetBoundsF().width * progress);
int undoneSize = canvas->GetBounds().width - doneSize;
if(undoneSize < 0) {
undoneSize = 0;
}
Rectangle progressRectangle = canvas->GetBounds();
progressRectangle.width -= undoneSize;
progressRectangle.x += undoneSize / 2;
canvas->SetCompositeMode(COMPOSITE_MODE_OVERLAY);
canvas->FillRectangle(Color(0x569cdd, false), progressRectangle);
delete canvas;
}
return false;
}
result RoundedAvatar::OnDraw(void) {
result r = E_SUCCESS;
Canvas * pCanvas = GetCanvasN();
if (pCanvas != null) {
if (pAvatar != null) {
r = pCanvas->DrawBitmap(pCanvas->GetBounds(), *pAvatar);
} else {
r = pCanvas->DrawBitmap(pCanvas->GetBounds(), *pAvatarPlaceholder);
}
r = pCanvas->DrawBitmap(pCanvas->GetBounds(), *pAvatarRounding);
TryCatch(r == E_SUCCESS, , "Failed DrawBitmap pAvatarRounding");
delete pCanvas;
}
return r;
CATCH:
AppLogException("$${Function:OnDraw} is failed.", GetErrorMessage(r));
delete pCanvas;
return r;
}
result MessageDocElement::OnDraw() {
Canvas *pCanvas = GetCanvasN();
if (pCanvas) {
pCanvas->DrawNinePatchedBitmap(pCanvas->GetBounds(), *_pBitmap);
delete pCanvas;
}
return E_SUCCESS;
}
result ItemForm::OnDraw(void) {
result r = E_SUCCESS;
Canvas* pCanvas = GetCanvasN();
Rectangle rt = pCanvas->GetBounds();
Application * app = Application::GetInstance();
AppResource * res = app->GetAppResource();
Bitmap * pBitmap = res->GetBitmapN(L"form_bg.png", BITMAP_PIXEL_FORMAT_ARGB8888);
pCanvas->DrawBitmap(rt, *pBitmap);
delete pBitmap;
delete pCanvas;
return r;
}
bool
SkyObject::Draw() {
Point* zoomedPoint = new Point();
Canvas* canvas;
canvas = SkyCanvas::GetStarCanvas(1);
Point* point = Projector::
GetProjection(RAH, DED, sign,
canvas->GetBounds().width,
canvas->GetBounds().height);
if (point == null) {
delete zoomedPoint;
return false;
}
Projector::Zoom(point, zoomedPoint, 1);
DrawCanvas(canvas, zoomedPoint);
Projector::Zoom(point, zoomedPoint, 2);
canvas = SkyCanvas::GetStarCanvas(2);
DrawCanvas(canvas, zoomedPoint);
Projector::Zoom(point, zoomedPoint, 4);
canvas = SkyCanvas::GetStarCanvas(4);
DrawCanvas(canvas, zoomedPoint);
delete zoomedPoint;
return true;
}