void CToolRegularRuler::Draw(CDC* pDC, CRect& rcInvalid)
{
if(m_nPtCount <= 1)
{
return;
}
Graphics graph(pDC->m_hDC);
graph.SetSmoothingMode(SmoothingModeAntiAlias);
Matrix mat;
mat.RotateAt(m_fAngle,m_ptCenter);
graph.SetTransform(&mat);
Pen penDraw(m_crColor, 2);
RectF rcf(m_ptary[0].X, m_ptary[0].Y,
m_ptary[1].X - m_ptary[0].X,
m_ptary[1].Y - m_ptary[0].Y);
DrawRulerMarks(graph);
graph.DrawRectangle(&penDraw, rcf);
if(m_bSelected || m_bEdit)
{
DrawHotShape(graph);
}
}
SizeF BUIEdit::getTextSize(const bstring text)
{
m_textDesc.content = text;
RectF rcf(getContentRect().left, getContentRect().top, getContentRect().right - getContentRect().left + 100, getContentRect().bottom - getContentRect().top);
return BRenderEngineManager::GetInstance()->RenderEngine()->GetTextSize(m_pUIManager->GetPaintDC(), rcf, m_textDesc);
//return BRenderEngineManager::GetInstance()->RenderEngine()->GetTextSize(text, m_textDesc.fontFamily, m_textDesc.fontSize, m_textDesc.style);
}
void
TempoTrackV2::calculateBeatPeriod(const vector<double> &df,
vector<double> &beat_period,
vector<double> &tempi)
{
// to follow matlab.. split into 512 sample frames with a 128 hop size
// calculate the acf,
// then the rcf.. and then stick the rcfs as columns of a matrix
// then call viterbi decoding with weight vector and transition matrix
// and get best path
unsigned int wv_len = 128;
double rayparam = 43.;
// make rayleigh weighting curve
d_vec_t wv(wv_len);
for (unsigned int i=0; i<wv.size(); i++)
{
wv[i] = (static_cast<double> (i) / pow(rayparam,2.)) * exp((-1.*pow(-static_cast<double> (i),2.)) / (2.*pow(rayparam,2.)));
}
// beat tracking frame size (roughly 6 seconds) and hop (1.5 seconds)
unsigned int winlen = 512;
unsigned int step = 128;
// matrix to store output of comb filter bank, increment column of matrix at each frame
d_mat_t rcfmat;
int col_counter = -1;
// main loop for beat period calculation
for (unsigned int i=0; i+winlen<df.size(); i+=step)
{
// get dfframe
d_vec_t dfframe(winlen);
for (unsigned int k=0; k<winlen; k++)
{
dfframe[k] = df[i+k];
}
// get rcf vector for current frame
d_vec_t rcf(wv_len);
get_rcf(dfframe,wv,rcf);
rcfmat.push_back( d_vec_t() ); // adds a new column
col_counter++;
for (unsigned int j=0; j<rcf.size(); j++)
{
rcfmat[col_counter].push_back( rcf[j] );
}
}
// now call viterbi decoding function
viterbi_decode(rcfmat,wv,beat_period,tempi);
}
void BUIEdit::PaintText(HDC hDC)
{
RECT rcPaint;
if (IntersectRect(&rcPaint, &m_rcPaint, &getContentRect())) {
m_textDesc.content = m_strText.substr(m_beginDrawPlace);
m_textDesc.selectedBegin = m_selectedBeginPalce - m_beginDrawPlace;
m_textDesc.selectedCount = m_selectedEndPlace - m_selectedBeginPalce;
RectF rcf(rcPaint.left, rcPaint.top, rcPaint.right - rcPaint.left, rcPaint.bottom - rcPaint.top);
m_textDesc.selectedBkColor = 0xAACC6600;
BRenderEngineManager::GetInstance()->RenderEngine()->DrawText(hDC, rcf, m_textDesc);
}
}
void MapReprojector::reproject(shared_ptr<OsmMap> map,
shared_ptr<OGRSpatialReference> ref)
{
shared_ptr<OGRSpatialReference> sourceSrs = map->getProjection();
OGRCoordinateTransformation* t(OGRCreateCoordinateTransformation(sourceSrs.get(), ref.get()));
if (t == 0)
{
throw HootException(QString("Error creating transformation object: ") + CPLGetLastErrorMsg());
}
ReprojectCoordinateFilter rcf(t);
int count = 0;
const NodeMap& nodes = map->getNodeMap();
for (NodeMap::const_iterator it = nodes.begin(); it != nodes.end(); ++it)
{
Node* n = it->second.get();
Coordinate c = n->toCoordinate();
try
{
rcf.project(&c);
}
catch(IllegalArgumentException& e)
{
LOG_WARN("Failure projecting node: " << n->toString());
throw e;
}
n->setX(c.x);
n->setY(c.y);
if (count % 1000 == 0 && Log::getInstance().isInfoEnabled())
{
cout << "Reprojecting " << count << " / " << nodes.size() << " \r";
cout.flush();
}
count++;
}
if (Log::getInstance().isInfoEnabled())
{
cout << endl;
}
map->setProjection(ref);
OGRCoordinateTransformation::DestroyCT(t);
}
void CToolRegularRuler::SetRegion()
{
if(!m_bFinish)
{
return;
}
float left = min(m_ptary[0].X, m_ptary[1].X);
float top = min(m_ptary[0].Y, m_ptary[1].Y);
float width = fabs(m_ptary[0].X - m_ptary[1].X);
float height = fabs(m_ptary[0].Y - m_ptary[1].Y);
RectF rcf(left, top, width, height);
m_Region.MakeEmpty();
m_Region.Union(rcf);
}
void CRectangle::SetRegion()
{
float left = min(m_ptary[0].X,m_ptary[1].X);
float top = min(m_ptary[0].Y,m_ptary[1].Y);
float width = fabs(m_ptary[0].X - m_ptary[1].X);
float height = fabs(m_ptary[0].Y - m_ptary[1].Y);
/*PointF* pPt = m_ptary.GetData();*/
int nWidth = m_nWidth;
if(m_nWidth < 6)
{
nWidth = 6;
}
Pen greenPen(Color(255, 0, 255, 0), (float)nWidth);
GraphicsPath path;
if(RS_ROUND == m_nRStyle)
{
CRect rc((int)left,(int)top,(int)(left + width),(int)(top + height));
INT offsetX = (rc.right - rc.left) * 20/100;
INT offsetY = (rc.bottom - rc.top) * 20/100;
path.AddArc(rc.right - offsetX, rc.top, offsetX, offsetY, 270, 90);
path.AddArc(rc.right - offsetX, rc.bottom - offsetY, offsetX, offsetY, 0, 90);
path.AddArc(rc.left, rc.bottom - offsetY, offsetX, offsetY, 90, 90);
path.AddArc(rc.left, rc.top, offsetX, offsetY, 180, 90);
path.AddLine(rc.left + offsetX, rc.top, rc.right - offsetX/2, rc.top);
}
else
{
RectF rcf(left,top,width,height);
path.AddRectangle(rcf);
}
path.Widen(&greenPen);
path.Outline();
m_Region.MakeEmpty();
m_Region.Union(&path);
}
/*
通知自绘的消息入口。
流程：
1、CDDS_PREPAINT 开始自绘，如果 返回 CDRF_DODEFAULT，则 CListCtrl 自行绘制。
如果不存在内存dc，bmp，则创建之，用于绘制。
或者在 OnEraseBkgndCustom 中创建。
2、CDDS_ITEMPREPAINT，绘制每个 Item。
3、CDDS_POSTPAINT，绘制结束。
将内存dc，bmp中的数据拷贝到实际dc中，并删除内存dc，bmp。
*/
void CxResLibImgList::OnNMCustomdraw(NMHDR *pNMHDR, LRESULT *pResult)
{
static const DWORD CDDS_SUBITEMPREPAINT = (DWORD)(CDDS_ITEMPREPAINT | CDDS_SUBITEM);
static const DWORD CDDS_SUBITEMPOSTPAINT = (CDDS_ITEMPOSTPAINT | CDDS_SUBITEM);
static int nDrawCount = 0;
LPNMLVCUSTOMDRAW lplvcd = reinterpret_cast<LPNMLVCUSTOMDRAW>(pNMHDR);
// TODO: 在此添加控件通知处理程序代码
//if (lplvcd == NULL) return;
switch(lplvcd->nmcd.dwDrawStage)
{
//整个控件的绘制循环开始前。
//如果此处返回 CDRF_DODEFAULT，控件将自己绘制自己，不会再收到任何通知。
case CDDS_PREPAINT:
{
if (m_pBmpCanvas != NULL || m_pGraphics != NULL)
{
delete m_pGraphics; m_pGraphics = NULL;
delete m_pBmpCanvas; m_pBmpCanvas = NULL;
}
if (m_pBmpCanvas == NULL && m_pGraphics == NULL)
{
CRect rc;
GetClientRect(&rc);
m_pBmpCanvas = new Bitmap(rc.Width(), rc.Height(), PixelFormat32bppARGB);
m_pGraphics = new Graphics(m_pBmpCanvas);
//设定透明模式，和点阵模式，如果不设定会出现毛边，造成图形边界不是很平滑
m_pGraphics->SetSmoothingMode(SmoothingModeAntiAlias);
m_pGraphics->SetPixelOffsetMode(PixelOffsetModeHighQuality);
//m_pGraphics->SetTextRenderingHint(TextRenderingHintAntiAlias);
//擦除背景
RectF rcf((float)rc.left, (float)rc.top, (float)rc.Width(), (float)rc.Height());
SolidBrush br(m_crCanvasBk);
m_pGraphics->FillRectangle(&br, rcf);
nDrawCount = 0;
//ZTools::WriteZToolsFormatLog( "CxResLibImgList::OnNMCustomdraw %s", "创建Canvas\r\n" );
}
}
*pResult = CDRF_NOTIFYITEMDRAW //Item 绘制前后，通知
| CDRF_NOTIFYPOSTPAINT //整个控件绘制完成后，通知
| CDRF_NOTIFYPOSTERASE //擦除之后，通知。完全不起作用，个人理解，可以通过实现 OnEraseBkgnd 替代。
| CDRF_NOTIFYSUBITEMDRAW //子Item 绘制前后，通知
;
break;
case CDDS_POSTPAINT: //整个控件的绘制循环完成。
{
if (m_pBmpCanvas != NULL && m_pGraphics != NULL )
{
BOOL bDraw = TRUE;
if ( m_vImg.size() > 1 && nDrawCount <= 1 )
{
bDraw = FALSE;
}
else
{
//xp下，当有其他窗口档在最后一个组件上时，右侧区域不被绘制
DWORD dwBakSpec = lplvcd->nmcd.dwItemSpec;
for (int i=0; i<(int)m_vImg.size(); i++)
{
lplvcd->nmcd.dwItemSpec = i;
OnItemPaint(lplvcd);
}
lplvcd->nmcd.dwItemSpec = dwBakSpec;
}
//if ( bDraw )
{
Graphics g(lplvcd->nmcd.hdc);
CachedBitmap cachedBmp(m_pBmpCanvas, &g);
g.DrawCachedBitmap(&cachedBmp, 0, 0);
g.ReleaseHDC(lplvcd->nmcd.hdc);
}
delete m_pGraphics; m_pGraphics = NULL;
delete m_pBmpCanvas; m_pBmpCanvas = NULL;
nDrawCount = 0;
//ZTools::WriteZToolsFormatLog( "CxResLibImgList::OnNMCustomdraw %s", "拷贝Canvas到DC\r\n" );
}
}
*pResult = CDRF_DODEFAULT;
break;
case CDDS_PREERASE: // Before the erase cycle begins
case CDDS_POSTERASE: // After the erase cycle is complete
case CDDS_ITEMPREERASE: // Before an item is erased
case CDDS_ITEMPOSTERASE: // After an item has been erased
// these are not handled now, but you might like to do so in the future
*pResult = CDRF_DODEFAULT;
break;
//Before an item is drawn.
case CDDS_ITEMPREPAINT: // Item 绘制前
if ( !OnItemPaint(lplvcd) )
*pResult = CDRF_DODEFAULT; //失败
else
{
//成功
nDrawCount++;
*pResult = CDRF_NOTIFYSUBITEMDRAW | CDRF_NOTIFYPOSTPAINT | CDRF_SKIPDEFAULT;
}
//ZTools::WriteZToolsFormatLog( "CxResLibImgList::OnNMCustomdraw %s", "OnItemPaint\r\n" );
break;
//After an item is drawn.
case CDDS_ITEMPOSTPAINT: //Item 绘制完成后
//*pResult = CDRF_DODEFAULT;
//*pResult = CDRF_SKIPDEFAULT;
*pResult = CDRF_NOTIFYSUBITEMDRAW;
break;
//Before an sub-item is drawn.
case CDDS_SUBITEMPREPAINT: //SubItem 绘制前
*pResult = CDRF_DODEFAULT;
break;
////after an sub-item is drawn.
case CDDS_SUBITEMPOSTPAINT: //SubItem 绘制完成后
*pResult = CDRF_DODEFAULT;
break;
}
//*pResult = 0; 通过返回值控制绘制的各个阶段
}
void CAngleLabel::DrawAngleLabelMark(Graphics& graph)
{
CPoint pt2((int)m_ptary[1].X, (int)m_ptary[1].Y);
CPoint pt3((int)m_ptary[2].X, (int)m_ptary[2].Y);
float fAngle3 = 0.0f;
float fAngle1 = CalcRotateAngle(pt2, m_ptary[0]) - 90.0f;
float fAngle2 = CalcRotateAngle(pt3, m_ptary[0]) - 90.0f;
if(fAngle1 > - 90 && fAngle1 <= 0)
{
if(fAngle2 >= 180 && fAngle2 <= 270)
{
fAngle2 -= 360;
}
else if(fAngle2 - fAngle1 >= 180)
{
fAngle1 += 360;
}
}
else if(fAngle1 >= 0 && fAngle1 <= 90)
{
if(fAngle2 >= 180)
{
if(fAngle2 - fAngle1 >= 180)
{
fAngle2 -= 360;
}
}
}
else if(fAngle1 >= 90 && fAngle1 <= 180)
{
if(fAngle2 >= -90 && fAngle2 <= 0)
{
if(fAngle1 - fAngle2 >= 180)
{
fAngle2 += 360;
}
}
}
else if(fAngle1 >= 180 && fAngle1 <= 270)
{
if(fAngle2 >= 0 && fAngle2 <= 90)
{
if(fAngle1 - fAngle2 >= 180)
{
fAngle2 += 360;
}
}
else if(fAngle2 >= -90 && fAngle2 <= 0)
{
fAngle2 += 360;
}
}
fAngle3 = (fAngle1 + fAngle2) / 2.0f;
PointF ptDraw;
ptDraw.Y = m_ptary[0].Y;
if(fabs(fAngle1 - fAngle2) <= 20)
{
ptDraw.X = 100 + m_ptary[0].X;
}
else if(fabs(fAngle1 - fAngle2) <= 30)
{
ptDraw.X = 80 + m_ptary[0].X;
}
else
{
ptDraw.X = 60 + m_ptary[0].X;
}
Matrix mat;
mat.RotateAt(fAngle3, m_ptary[0]);
mat.TransformPoints(&ptDraw, 1);
Pen penDraw(Color::Blue, 2);
RectF rcf(m_ptary[0].X - 30, m_ptary[0].Y - 30, 60, 60);
graph.DrawArc(&penDraw, rcf, fAngle1, fAngle2 - fAngle1);
Font myFont(_T("Arial"), 12);
SolidBrush brush(Color::Red);
StringFormat format;
format.SetAlignment(StringAlignmentCenter);
int nAngle = CalLinesAngle();
m_strAngle.Format(_T("%dбу"), nAngle);
graph.SetTextRenderingHint(TextRenderingHintAntiAlias);
graph.DrawString(m_strAngle, m_strAngle.GetLength(), &myFont, ptDraw, &format, &brush);
}
