BOOL CDRFilter::AddAttributesToArrowheadPath(NodePath *P, DocColour *Col, INT32 LineWidth,
LineCapType Cap, JointType Join)
{
if(P->InkPath.IsFilled)
{
// it's a filled path, so it need to be filled with the colour and have no line
// colour
SetPathFilled(TRUE);
if(!SetLineColour(DocColour(COLOUR_TRANS)) || !SetFillColour(*Col))
return FALSE;
} else {
// it's not a filled colour, so don't fill it and stroke it with the line width and colour
if(!SetLineColour(*Col) || !SetLineWidth(LineWidth) || !SetLineCap(Cap) || !SetJoinType(Join))
return FALSE;
}
// apply the attributes to the object
// If not filled, then set the ignore bit on the fill attribute.
// if (P->InkPath.IsFilled == FALSE)
// CurrentAttrs[ATTR_FILLGEOMETRY].Ignore = TRUE;
// else
CurrentAttrs[ATTR_FILLGEOMETRY].Ignore = FALSE;
// Add attributes to the path, if they are different from the default...
BOOL Result = AttributeManager::ApplyBasedOnDefaults(P, CurrentAttrs);
// DeleteCurrentAttrs();
// SetUpCurrentAttrs();
// Enable the fill attribute again
CurrentAttrs[ATTR_FILLGEOMETRY].Ignore = FALSE;
return Result;
}
bool wxGISDisplay::CheckDrawAsPoint(const OGREnvelope &Envelope, double dfLineWidth, bool bIsRing, double dOffsetX, double dOffsetY, bool bCheckEnvelope)
{
OGREnvelope TestEnv;
TestEnv = Envelope;
if(!IsDoubleEquil(m_dAngleRad, 0.0))
{
RotateEnvelope(TestEnv, -m_dAngleRad, m_dRotatedBoundsCenterX, m_dRotatedBoundsCenterY);
}
if(bCheckEnvelope && !m_CurrentBoundsRotated.Intersects(TestEnv))
return true;
double EnvWidth = Envelope.MaxX - Envelope.MinX;
double EnvHeight = Envelope.MaxY - Envelope.MinY;
World2DCDist(&EnvWidth, &EnvHeight);
double dfR = (fabs(EnvWidth) + fabs(EnvHeight)) * .5;
if (dfR <= MINPOLYDRAWAREA)
{
if(bIsRing)
{
SetLineWidth( dfLineWidth + dfLineWidth );
}
else
{
SetLineWidth( dfLineWidth );
}
if (dfR >= MINPOLYAREA)
{
wxCriticalSectionLocker locker(m_CritSect);
cairo_move_to(m_saLayerCaches[m_nCurrentLayer].pCairoContext, Envelope.MinX + dOffsetX, Envelope.MinY + dOffsetY);
cairo_line_to(m_saLayerCaches[m_nCurrentLayer].pCairoContext, Envelope.MaxX + dOffsetX, Envelope.MaxY + dOffsetY);
}
else
{
DrawPointFast(Envelope.MinX, Envelope.MinY, dOffsetX, dOffsetY);
}
SetLineCap(CAIRO_LINE_CAP_ROUND);
return true;
}
return false;
}
BOOL CDRFilter::SetLineAttr(cdrfOffsetHeader *Object)
{
if(Version == CDRVERSION_3)
{
return SetLineAttr3(Object);
}
// find the reference...
DWORD *pReference = (DWORD *)FindDataInObject(Object, cdrfOBJOFFSETTYPE_LINE);
// if the pointer to the reference is zero, then the reference is probably
// within some random style definition
if(pReference == 0)
{
// OK, try and find a style number within the style reference
WORD *pStyleReference = (WORD *)FindDataInObject(Object, cdrfOBJOFFSETTYPE_STYLE);
if(pStyleReference != 0)
{
// OK, see if we can find a the style...
cdrfStyle *pStyle;
INT32 StyleSize;
if((pStyle = (cdrfStyle *)Styles.Find(*pStyleReference, &StyleSize)) != 0)
{
// OK, got a style... now find a fill reference within it
pReference = (DWORD *)FindDataInObject(&pStyle->Header, cdrfSTYLEOFFSETTYPE_OUTLINE);
}
}
}
cdrfOutline *Out;
INT32 OutSize;
if(pReference == 0 || (Out = (cdrfOutline *)Outlines.Find(*pReference, &OutSize)) == 0
|| OutSize < sizeof(cdrfOutline))
{
// if no outline data, or outline definitions couldn't be found, or outline
// definition is too small, set up the default line attributes
if(!SetLineWidth(cdrfOUTLINE_DEFAULT_WIDTH))
return FALSE;
PColourCMYK cmyk;
cmyk.Cyan = cmyk.Magenta = cmyk.Yellow = 0;
cmyk.Key = 255;
DocColour Col;
Col.SetCMYKValue(&cmyk);
if(!SetLineColour(Col))
return FALSE;
return TRUE;
}
// check that this thingy should have an outline
if((CDRDATA_WORD(Out->Flags) & cdrfOUTLINEFLAGS_NOOUTLINE) != 0)
{
if (!SetLineColour(DocColour(COLOUR_TRANS)))
return FALSE;
return TRUE;
}
// convert the line colour
DocColour Col;
ConvertColour(&Out->Colour, &Col);
// find the line width
INT32 LineWidth = CDRDATA_WORD(Out->LineThickness) * CDRCOORDS_TO_MILLIPOINTS;
if(LineWidth > MAX_LINE_WIDTH)
LineWidth = MAX_LINE_WIDTH;
// find the join type
JointType JType;
switch(CDRDATA_WORD(Out->JoinStyle))
{
case cdrfJOINSTYLE_SQUARE: JType = MitreJoin; break;
case cdrfJOINSTYLE_ROUNDED: JType = RoundJoin; break;
default:
case cdrfJOINSTYLE_BEVEL: JType = BevelledJoin; break;
}
// set the cap style
LineCapType CType;
switch(CDRDATA_WORD(Out->EndStyle))
{
case cdrfENDSTYLE_BUTT: CType = LineCapButt; break;
case cdrfENDSTYLE_ROUNDED: CType = LineCapRound; break;
default:
case cdrfENDSTYLE_SQUARE: CType = LineCapSquare; break;
}
// set the dash pattern
DashRec Dash;
DashElement DashArray[cdrfMAX_DASH_ELEMENTS];
if(CDRDATA_WORD(Out->NDashSegments) > 0 && (CDRDATA_WORD(Out->Flags) & cdrfOUTLINEFLAGS_NODASH) == 0)
{
// set a dash pattern
INT32 NSeg = CDRDATA_WORD(Out->NDashSegments);
if(NSeg > cdrfMAX_DASH_ELEMENTS)
NSeg = cdrfMAX_DASH_ELEMENTS;
INT32 l;
for(l = 0; l < NSeg; l++)
{
DashArray[l] = CDRDATA_WORD(Out->DashSegments[l]) * LineWidth;
}
Dash.Elements = NSeg;
Dash.DashStart = 0;
Dash.ElementData = DashArray;
Dash.LineWidth = LineWidth;
Dash.ScaleWithLineWidth = TRUE;
Dash.DashID = -1;
}
else
{
// no dash pattern
Dash = SD_SOLID;
}
// set the attributes
if(!SetLineWidth(LineWidth) || !SetLineColour(Col) || !SetJoinType(JType)
|| !SetLineCap(CType) || !SetDashPattern(Dash))
return FALSE;
// check for arrowheads
if(CDRDATA_DWORD(Out->StartArrowReference) != 0 || CDRDATA_DWORD(Out->EndArrowReference) != 0)
{
// apply the attributes to the object
// If not filled, then set the ignore bit on the fill attribute.
if (ObjFilled == FALSE)
CurrentAttrs[ATTR_FILLGEOMETRY].Ignore = TRUE;
// Add attributes to the path, if they are different from the default...
AttributeManager::ApplyBasedOnDefaults(pMadeNode, CurrentAttrs);
// DeleteCurrentAttrs();
// SetUpCurrentAttrs();
// Enable the fill attribute again
CurrentAttrs[ATTR_FILLGEOMETRY].Ignore = FALSE;
// ensure that the attributes won't be applied again
AttrsAlreadyApplied = TRUE;
// apply arrow heads to the path
AddArrowheadsToPath(CDRDATA_DWORD(Out->StartArrowReference), CDRDATA_DWORD(Out->EndArrowReference),
&Col, LineWidth, CType, JType);
}
return TRUE;
}
BOOL CDRFilter::SetLineAttr3(cdrfOffsetHeader *Object)
{
cdrfOutlineV3 *Out = (cdrfOutlineV3 *)FindDataInObject(Object, cdrfOBJOFFSETTYPE_LINE);
if(Out == 0)
{
// if no outline data, or outline definitions couldn't be found, or outline
// definition is too small, set up the default line attributes
if(!SetLineWidth(cdrfOUTLINE_DEFAULT_WIDTH))
return FALSE;
PColourCMYK cmyk;
cmyk.Cyan = cmyk.Magenta = cmyk.Yellow = 0;
cmyk.Key = 255;
DocColour Col;
Col.SetCMYKValue(&cmyk);
if(!SetLineColour(Col))
return FALSE;
return TRUE;
}
// check that this thingy should have an outline
if((Out->Flags & cdrfOUTLINEFLAGSV3_STROKED) == 0)
{
if (!SetLineColour(DocColour(COLOUR_TRANS)))
return FALSE;
return TRUE;
}
// convert the line colour
DocColour Col;
ConvertColour((cdrfColour *)&Out->Colour, &Col);
// find the line width
INT32 LineWidth = CDRDATA_WORD(Out->LineThickness) * CDRCOORDS_TO_MILLIPOINTS;
if(LineWidth > MAX_LINE_WIDTH)
LineWidth = MAX_LINE_WIDTH;
// find the join type
JointType JType;
switch(CDRDATA_WORD(Out->JoinStyle))
{
case cdrfJOINSTYLE_SQUARE: JType = MitreJoin; break;
case cdrfJOINSTYLE_ROUNDED: JType = RoundJoin; break;
default:
case cdrfJOINSTYLE_BEVEL: JType = BevelledJoin; break;
}
// set the cap style
LineCapType CType;
switch(Out->EndStyle) // byte
{
case cdrfENDSTYLE_BUTT: CType = LineCapButt; break;
case cdrfENDSTYLE_ROUNDED: CType = LineCapRound; break;
default:
case cdrfENDSTYLE_SQUARE: CType = LineCapSquare; break;
}
// set the dash pattern
/* DashRec Dash;
DashElement DashArray[cdrfMAX_DASH_ELEMENTS];
if((ObjectFlagsV3 & cdrfOBJFLAGSV3_NODASH) == 0 && Out->NDashSegments > 0) // byte
{
// set a dash pattern
INT32 NSeg = CDRDATA_WORD(Out->NDashSegments);
if(NSeg > cdrfMAX_DASH_ELEMENTS)
NSeg = cdrfMAX_DASH_ELEMENTS;
INT32 l;
for(l = 0; l < NSeg; l++)
{
DashArray[l] = Out->DashSegments[l] * LineWidth; // byte
}
Dash.Elements = NSeg;
Dash.DashStart = 0;
Dash.ElementData = DashArray;
Dash.LineWidth = LineWidth;
Dash.ScaleWithLineWidth = TRUE;
Dash.DashID = -1;
}
else
{
// no dash pattern
Dash = SD_SOLID;
}
*/
// set the attributes
if(!SetLineWidth(LineWidth) || !SetLineColour(Col) || !SetJoinType(JType)
|| !SetLineCap(CType)/* || !SetDashPattern(Dash)*/)
return FALSE;
// check for arrowheads
if(CDRDATA_DWORD(Out->StartArrowReference) != 0 || CDRDATA_DWORD(Out->EndArrowReference) != 0)
{
// apply the attributes to the object
// If not filled, then set the ignore bit on the fill attribute.
if (ObjFilled == FALSE)
CurrentAttrs[ATTR_FILLGEOMETRY].Ignore = TRUE;
// Add attributes to the path, if they are different from the default...
AttributeManager::ApplyBasedOnDefaults(pMadeNode, CurrentAttrs);
// Enable the fill attribute again
CurrentAttrs[ATTR_FILLGEOMETRY].Ignore = FALSE;
// ensure that the attributes won't be applied again
AttrsAlreadyApplied = TRUE;
// apply arrow heads to the path
AddArrowheadsToPath(CDRDATA_DWORD(Out->StartArrowReference), CDRDATA_DWORD(Out->EndArrowReference),
&Col, LineWidth, CType, JType);
}
return TRUE;
}
