// ----------------------------------------------------------------------------
// * DoDraw
// ----------------------------------------------------------------------------
void
GuidoCarbonControl::DoDraw()
{
const GRHandler guidoRef = GetGuidoGR();
if( guidoRef == 0 ) return;
ControlRef theControl = GetControlRef();
if( theControl == 0 ) return;
// - Get our local size
int localWidth;
int localHeight;
GetSize( &localWidth, &localHeight );
CGRect deviceRect = ::CGRectMake( 0, 0, localWidth, localHeight );
// VGDevice * device = GetGDevice(); // <- was
const int kScrollBarHeight = 15;
// - Create the graphic context. It must be initialized with the actual size of the window,
// otherwise the y-origin is not calculated properly.
WindowRef winRef = ::GetControlOwner( theControl );
GrafPtr port = ::GetWindowPort( winRef );
CGContextRef contextRef = 0;
OSStatus status = ::CreateCGContextForPort( port, &contextRef );
if( status != noErr ) return;
GSystemOSX system(contextRef, NULL);
VGDevice* device = system.CreateDisplayDevice();
device->NotifySize(localWidth, localHeight + kScrollBarHeight );
::CGContextRelease(contextRef); // because the device now owns the context.
// - Draw the background
device->BeginDraw();
device->PushPen( VGColor( 0, 0, 0, ALPHA_OPAQUE ), 1 );
device->PushFillColor( VGColor( 255, 255, 255, ALPHA_TRANSPARENT ));
device->Rectangle( 0, 0, localWidth, localHeight );
device->PopFillColor();
device->PopPen();
// - Setup the clipping rectangle, to avoid drawing on scrollbars.
::CGContextClipToRect( contextRef, deviceRect );
// - Draw the music score
int virtualScrollX = (int)((float)mScrollX * 10 / GetZoom());
int virtualScrollY = (int)((float)mScrollY * 10 / GetZoom());
float virtualVisibleWidth = localWidth * 10 / GetZoom();
float virtualVisibleHeight = localHeight * 10 / GetZoom();
float fullScoreWidth;
float fullScoreHeight;
GetFullScoreSize( &fullScoreWidth, &fullScoreHeight );
GuidoOnDrawDesc desc;
desc.handle = guidoRef;
desc.hdc = device;
desc.updateRegion.erase = false;
desc.updateRegion.left = virtualScrollX; // absolute virtual coordinates clip rect
desc.updateRegion.top = virtualScrollY;
desc.updateRegion.right = (int)(virtualScrollX + virtualVisibleWidth);
desc.updateRegion.bottom = (int)(virtualScrollY + virtualVisibleHeight);
desc.scrollx = (int)virtualScrollX;
desc.scrolly = (int)virtualScrollY;
desc.page = GetPageNum();
desc.sizex = (int)fullScoreWidth;
desc.sizey = (int)fullScoreHeight;
MClock clock;
GuidoOnDraw( &desc );
// debug
#if 0
std::cout << "Score : sizex = " << desc.sizex << " ; sizey = " << desc.sizey << std::endl;
std::cout << "Guido: time do draw the score: " << clock.Milliseconds() << " ms" << std::endl;
// std::cout << "Guido: graphical objects: " << GuidoGRObjectCount() << std::endl;
#endif
if( GetParam( kDrawSymbolMap ) == 1 )
DrawSymbolMap();
// drawMap (guidoRef, device, GetPageNum());
device->EndDraw();
delete device;
}
// --------------------------------------------------------------------------
void GRRepeatBegin::OnDraw(VGDevice & hdc ) const
{
if (!mDraw || fSize < kMinNoteSize)
return;
VGColor prevColor = hdc.GetFontColor();
if (mColRef) {
hdc.PushFillColor(VGColor(mColRef));
hdc.SetFontColor(VGColor(mColRef));
}
// - Vertical adjustement according to staff's line number
float offsety1 = (fmod(- 0.5f * fLineNumber - 2, 3) + 1.5f) * LSPACE;
float offsety2 = 0;
if (fLineNumber != 0 && fLineNumber != 1)
offsety2 = ((fLineNumber - 5) % 6) * LSPACE;
float rightLineThickness = 1.8f * kLineThick * fSize;
// - Horizontal adjustement according to staff's lines size and staff's size
const float offsetX = 0.5f * (fStaffThickness - 4) - 30 * (fSize - 1) + (fSize - 1) * (fStaffThickness - 4) * 0.5f + 40;
const float spacing = fBaseThickness + LSPACE * 0.4f * fSize - rightLineThickness;
const float x1 = mPosition.x - mBoundingBox.Width() + offsetX;
const float x2 = x1 + spacing;
const float y1 = mPosition.y + offsety1 * fSize;
const float y2 = y1 + (mBoundingBox.bottom + offsety2) * fSize;
hdc.Rectangle(x1, y1, x1 + fBaseThickness, y2);
hdc.Rectangle(x2, y1, x2 + rightLineThickness, y2);
/* Two points drawing */
float offsety1AccordingToLineNumber = 0;
float offsety2AccordingToLineNumber = 0;
if (fLineNumber == 0)
offsety1AccordingToLineNumber = - LSPACE / 2 * fSize;
else if (fLineNumber == 1)
offsety1AccordingToLineNumber = - LSPACE * fSize;
else if (fLineNumber == 2)
{
offsety1AccordingToLineNumber = 14 * fSize;
offsety2AccordingToLineNumber = - 2 * offsety1AccordingToLineNumber;
}
int pointSymbol = 220;
float pointOffsety1 = - 5 * fSize + offsety1AccordingToLineNumber;
float pointOffsety2 = pointOffsety1 + LSPACE * fSize + offsety2AccordingToLineNumber;
float pointOffsetx = 28 * (fSize - 1) + 0.5f * (fStaffThickness - 4) + (fSize - 1) * (fStaffThickness - 4) * 0.5f + 8;
float pointSize = 0.4f * fSize;
DrawSymbol(hdc, pointSymbol, pointOffsetx, pointOffsety1, pointSize);
DrawSymbol(hdc, pointSymbol, pointOffsetx, pointOffsety2, pointSize);
/**********************/
if (mColRef) {
hdc.SetFontColor(prevColor);
hdc.PopFillColor();
}
}
/** \brief Draws the score page.
The GuidoEngine does not draw nor erase the background.
Client applications must display it by themself. Usually, printing
does not require to draw a background.
*/
void GRPage::OnDraw( VGDevice & hdc, const GuidoOnDrawDesc & inDrawInfos ) const
{
setScaling( hdc, (float)inDrawInfos.sizex, (float)inDrawInfos.sizey );
// if croll coords are in virtual units:
hdc.SetOrigin( - (float)inDrawInfos.scrollx, - (float)inDrawInfos.scrolly ); // (JB) sign change
// if scroll coords are in device units:
// hdc.SetOrigin( - (float)inDrawInfos.scrollx / hdc.GetXScale(),
// - (float)inDrawInfos.scrolly / hdc.GetYScale());
if ( /*fullredraw ||*/ inDrawInfos.updateRegion.erase )// (JB) || c->ps.hdc == NULL
{
gClipRect.Set( 0, 0, getPageWidth(), getPageHeight());
}
else
{
/* was:
// This is the update region
const GCoord left = c->updateRegion.left;
const GCoord top = c->updateRegion.top;
const GCoord right = c->updateRegion.right;
const GCoord bottom = c->updateRegion.bottom;
DPtoLPRect( hdc, left, top, right, bottom, &gClipRect ); // (JB) still ok ? */
gClipRect.Set( float(inDrawInfos.updateRegion.left), float(inDrawInfos.updateRegion.top),
float(inDrawInfos.updateRegion.right), float(inDrawInfos.updateRegion.bottom) );
}
#if (0)
// Draw margins.
const float x1 = getMarginLeft();
const float x2 = getPageWidth() - getMarginRight();
const float x3 = getPageWidth();
const float y1 = getMarginTop();
const float y2 = getPageHeight() - getMarginBottom();
const float y3 = getPageHeight();
hdc.PushPen( VGColor( 150, 150, 255 ), 5 ); // opaque
hdc.PushFillColor( VGColor( 0, 0, 0, ALPHA_OPAQUE ));
// DrawBoundingBox( hdc, GColor( 200, 255, 200 ));
hdc.Rectangle( 0, 0, x3, y3 );
hdc.Rectangle( x1, y1, x2, y2 );
hdc.Line( 0, 0, x1, y1 ); // top left
hdc.Line( 0, y3, x1, y2 ); // bottom left
hdc.Line( x3, 0, x2, y1 ); // top right
hdc.Line( x3, y3, x2, y2 ); // bottom right
hdc.PopFillColor();
hdc.PopPen();
#endif
// - Draws elements of the page.
OnDraw( hdc );
// trace (hdc);
}