SubtreeRenderState NodeEffect::RenderSubtree(RenderRegion* pRender, Node** ppNextNode, BOOL bClip)
{
if (pRender == NULL) // If no render region supplied, assume we need to be rendered
return SUBTREE_ROOTANDCHILDREN;
// Go find out about my bounding rectangle
DocRect BoundingRect = GetBoundingRect();
DocRect ClipRect = pRender->GetClipRect();
if (bClip && !ClipRect.IsIntersectedWith(BoundingRect)) // If not within the clipping rect then
return SUBTREE_NORENDER; // Don't render us or our children
// Ask Helper function to set up cacheing for me...
// AMB wonders whethere this was commented out during porting - 20051212
// if (RenderCached(pRender)) // If we can find a cached bitmap for this node and render it
// {
// return SUBTREE_NORENDER; // Then tell the renderer to move on without doing any more...
// }
return SUBTREE_ROOTANDCHILDREN; // Else we must render ourselves and our children
}
void BitmapExportPaletteControl::RenderPalette(DocRect *pPaletteSize, RenderRegion *pRender, INT32 controlHeight,
DocRect* pClipRect)
{
INT32 nColours = m_Palette.GetNumberOfColours();
// See if the background needs rendering
if (nColours < m_NumberOfColoursAtLastRedraw)
RenderGrey(pPaletteSize, pRender);
m_NumberOfColoursAtLastRedraw = nColours;
pRender->SetLineColour(COLOUR_BLACK);
DocRect cell;
// Draw each cell in turn
for (INT32 i = 0; i < nColours; ++i)
{
GetRectForCell(i, &cell, controlHeight);
if (cell.IsIntersectedWith(*pClipRect))
{
BYTE r, g, b;
r = m_Palette.GetRed(i);
g = m_Palette.GetGreen(i);
b = m_Palette.GetBlue(i);
DrawCell(&cell, DocColour(r, g, b), m_Palette.GetFlags(i), pRender,
IsColourWebSafe(r, g, b), i == m_SelectedCell);
}
}
// Draw the mouse over high light
if (m_MouseOverCell != INVALID_COLOUR_VALUE)
{
GetRectForCell(m_MouseOverCell, &cell, controlHeight);
pRender->SetFillColour(COLOUR_TRANS);
pRender->SetLineColour(COLOUR_WHITE);
pRender->DrawRect(&cell);
}
}
BOOL OpNudge::IsNudgeOK(BOOL dx,BOOL dy)
{
// Get the selection
SelRange* pSel = GetApplication()->FindSelection();
ERROR2IF(pSel == NULL,FALSE,"Awooga, NULL sel range");
// Find out the bounding rectangle of the selection
DocRect BoundingRect = pSel->GetBoundingRect();
// Find out the Pasteboard rect
DocRect PasteRect;
Spread* pSpread = pOurDoc->GetSelectedSpread();
if (pSpread==NULL)
PasteRect = BoundingRect;
else
{
// Try to make the pasteboard grow if necessary to include the new object position
// This is very quick if the pasteboard is large enough already.
pSpread->ExpandPasteboardToInclude(BoundingRect);
// And re-read the bounding rectangle of the selection, as the pasteboard resize may have
// caused the origin of our entire coordinate space to have moved! Argh!
BoundingRect = pSel->GetBoundingRect();
// BoundingRect.Translate(dx,dy);
// This is in Document Coords, so we need to convert it
PasteRect = pSpread->GetPasteboardRect();
pSpread->DocCoordToSpreadCoord(&PasteRect);
}
// Assume the nudge will be OK.
BOOL NudgeOK = TRUE;
if (PasteRect.ContainsRect(BoundingRect))
{
// Untranslated bounds fit inside pasteboard rect, so we must complain if the bounds
// do not fit *after* translation
// Translate the bounds by the nudge values
BoundingRect.Translate(dx,dy);
// Do the translated bounds still fit entirely in the pasteboard rect?
NudgeOK = PasteRect.ContainsRect(BoundingRect);
}
else
{
// The original bounds overlap the pasteboard rect, so we must complain if the user
// nudges the bounds completely out of sight
if (PasteRect.IsIntersectedWith(BoundingRect))
{
// The original bounds intersect with the pasteboard rect
BoundingRect.Translate(dx,dy);
// Only allow the nudge if the translated bounds still overlap with the spread.
NudgeOK = PasteRect.IsIntersectedWith(BoundingRect);
}
}
// If the nudge is OK, we may need to scroll the DocView?
/* Jim, 12/9/96 - removed this because we don't want to scroll to show opn nudges
if (NudgeOK)
{
DocCoord Coord(0,0);
// If nudging left or right, pick the min or max X coord
if (dx != 0)
{
if (dx < 0)
Coord.x = BoundingRect.lox;
else
Coord.x = BoundingRect.hix;
}
// If nudging up or down, pick the max or min Y coord
if (dy != 0)
{
if (dy < 0)
Coord.y = BoundingRect.loy;
else
Coord.y = BoundingRect.hiy;
}
// If we have picked a coord, ensure that this coord is visible in the selected spread
// of the selected DocView
if (Coord != DocCoord(0,0))
{
DocView* pDocView = DocView::GetSelected();
if (pDocView != NULL)
pDocView->ScrollToShow(&Coord);
}
}
*/
return NudgeOK;
}
void PathProcessorStrokeAirbrush::ProcessPath(Path *pPath,
RenderRegion *pRender,
PathShape ShapePath)
{
PORTNOTETRACE("other","PathProcessorStrokeAirbrush::ProcessPath - do nothing");
#ifndef EXCLUDE_FROM_XARALX
ERROR3IF(pPath == NULL || pRender == NULL, "Illegal NULL Params");
// --- If the provided path is not stroked, then we'll just pass it straight through
// We also don't touch it if we're doing EOR rendering, or click regions
// BLOCK
{
StrokeColourAttribute *pStrokeColour = (StrokeColourAttribute *) pRender->GetCurrentAttribute(ATTR_STROKECOLOUR);
if (pRender->DrawingMode != DM_COPYPEN || pRender->IsHitDetect()
|| !pPath->IsStroked || pStrokeColour == NULL || pStrokeColour->Colour.IsTransparent())
{
pRender->DrawPath(pPath, this, ShapePath);
return;
}
}
// --- If the quality is set low, strokes are just rendered as centrelines
// BLOCK
{
QualityAttribute *pQuality = (QualityAttribute *) pRender->GetCurrentAttribute(ATTR_QUALITY);
if (pQuality != NULL && pQuality->QualityValue.GetLineQuality() != Quality::FullLine)
{
pRender->DrawPath(pPath, this, ShapePath);
return;
}
}
// --- If the attribute which created us is not the current StrokeType attribute, then
// we have been overridden by a different stroke type, so we do nothing.
// BLOCK
{
StrokeTypeAttrValue *pTypeAttr = (StrokeTypeAttrValue *) pRender->GetCurrentAttribute(ATTR_STROKETYPE);
if (pTypeAttr != NULL && pTypeAttr != GetParentAttr())
{
pRender->DrawPath(pPath, this, ShapePath);
return;
}
}
// --- Get the current line width from the render region
// In case of failure, we initialise with suitable defaults
INT32 LineWidth = 5000;
// BLOCK
{
LineWidthAttribute *pWidthAttr = (LineWidthAttribute *) pRender->GetCurrentAttribute(ATTR_LINEWIDTH);
if (pWidthAttr != NULL)
LineWidth = pWidthAttr->LineWidth;
}
// Obtain an optimal number of steps for the line
// When printing, we do heaps of steps to get top quality out the other end
View *pView = pRender->GetRenderView();
ERROR3IF(pView == NULL, "No render view?!");
INT32 NumSteps = MaxAirbrushSteps;
if (!pRender->IsPrinting())
GetNumSteps(pView, LineWidth);
// --- Now, create a transparency mask bitmap for the airbrush
Spread *pSpread = pRender->GetRenderSpread();
// ERROR3IF(pSpread == NULL, "No render spread!?"); // This can happen, rendering into a gallery
// Get the render region's clip rectangle in Spread Coords. We don't need to
// render anything bigger than this size, so it is the upper limit on our bitmap area.
DocRect ClipRegion = pRender->GetClipRect();
// Intersect this with the path bounding rectangle to get the actual region we need to redraw
// The smaller this is, the faster we go and the less memory we use.
//DocRect PathRect = pPath->GetBoundingRect();
DocRect PathRect = pPath->GetBlobRect();
PathRect.Inflate(LineWidth);
BOOL Intersects = ClipRegion.IsIntersectedWith(PathRect);
if(!Intersects)
{
// Don't bother drawing anything - it's clipped out
return;
}
ClipRegion = ClipRegion.Intersection(PathRect);
// Round the ClipRegion edges up so they all lie exactly on screen pixel boundaries.
// If we don't do this, then there can be a sub-pixel rounding error between the ClipRegion
// and the actual bitmap size, so that the bitmap is scaled slightly when we plot it.
// By making sure it's pixelised, we guarantee that the bitmap & clipregion are exactly equal sizes.
// (It doesn't matter if the bitmap is a bit bigger than necessary)
ClipRegion.Inflate(pRender->GetScaledPixelWidth());
ClipRegion.lo.Pixelise(pView);
ClipRegion.hi.Pixelise(pView);
// Get the current view's rendering matrix and view scale
Matrix ConvMatrix = pRender->GetMatrix();//pView->ConstructRenderingMatrix(pSpread);
FIXED16 ViewScale = pView->GetViewScale();
// Generate a 256-colour greyscale palette
LOGPALETTE *pPalette = MakeGreyScalePalette();
if(pPalette == NULL)
{
pRender->DrawPath(pPath, this, ShapePath);
return;
}
// Work out the DPI to use. Rather than just asking for PixelWidth or DPI from the
// render region, we have to do a load of non-object-oriented stuff instead...
double dpi = 96.0;
if (pRender->IsPrinting())
{
// we are printing, so ask the print options
PrintControl *pPrintControl = pView->GetPrintControl();
if (pPrintControl != NULL)
dpi = (double) pPrintControl->GetDotsPerInch();
}
else if (IS_A(pRender, CamelotEPSRenderRegion))
{
// Use DPI as set in EPS export options dialog.
dpi = (double) EPSFilter::XSEPSExportDPI;
}
else
{
ERROR3IF(pRender->GetPixelWidth() <= 0, "Stupid (<1 millipoint) Pixel Width!");
if (pRender->GetPixelWidth() > 0)
dpi = (double) (72000.0 / (double)pRender->GetPixelWidth());
}
GRenderBitmap *pMaskRegion = new GRenderBitmap(ClipRegion, ConvMatrix, ViewScale, 8, dpi,
pRender->IsPrinting(), XARADITHER_ORDERED_GREY,
pPalette, FALSE);
if (pMaskRegion == NULL)
{
pRender->DrawPath(pPath, this, ShapePath);
return;
}
BOOL PathIsFilled = FALSE; // Will be set TRUE if this path should be filled at the bottom of the function
//BLOCK
{
// Change the GDraw context in this render region so as to preserve the state
// of the main render region. This is because GRenderRegions currently use
// a single static GDrawContext! This also sets it up with a nice greyscale palette
// so that we get the output we desire.
pMaskRegion->UseGreyscaleContextDangerous();
// Attach our DC to the view and render region...
if (pMaskRegion->AttachDevice(pView, NULL, pSpread))
{
pMaskRegion->StartRender();
// We must save & restore the attribute state around all our rendering because
// attributes otherwise stay on the renderstack until we delete the RndRgn, and as our
// ones are on the program stack, they will have ceased to exist before then, which
// makes for a wicked explosion.
pMaskRegion->SaveContext();
/////////////////////////////////////////////////////////////////////////////////////
// --- Main Airbrush rendering loop
// Make sure we've got an intensity function to use. This will create a new one if necessary
ValueFunction *pvValueFunction = GetIntensityFunction();
if (pvValueFunction == NULL)
{
ERROR3("Failed to set an intensity function on an airbrush stroke");
pRender->DrawPath(pPath, this, ShapePath);
return;
}
if(!RenderAirBrush(pPath, pMaskRegion, LineWidth, NumSteps, pvValueFunction,
pRender, ShapePath))
{
// Airbrush failed - just render the path without the airbrush effect
pRender->DrawPath(pPath, this, ShapePath);
return;
}
pMaskRegion->RestoreContext();
// --- ClipRect test code
/////////////////////////////////////////////////////////////////////////////////////
// --- We have drawn the airbrushed stroke - now, if the path is filled, we
// will render the filled area, so that in semi-transparent cases, the
// stroke will not "show through" from behind the filled area.
if (pPath->IsFilled)
{
ColourFillAttribute *pCFAttr = (ColourFillAttribute *) pRender->GetCurrentAttribute(ATTR_FILLGEOMETRY);
if (pCFAttr != NULL && (!pCFAttr->Colour.IsTransparent() || pCFAttr->IsABitmapFill()))
{
PathIsFilled = TRUE;
pMaskRegion->SaveContext();
ColourFillAttribute *pFillAttr = NULL;
FillMappingAttribute *pMapAttr = NULL;
// Obtain the object's transparent fill geometry
TranspFillAttribute *pTransAttr = (TranspFillAttribute *) pRender->GetCurrentAttribute(ATTR_TRANSPFILLGEOMETRY);
if (pTransAttr != NULL)
{
// Get a non-transparent version of the fill geometry
pFillAttr = pTransAttr->MakeSimilarNonTranspFillGeometry(1.0);
// Convert a fill mapping
TranspFillMappingAttribute *pTransMapAttr = (TranspFillMappingAttribute *) pRender->GetCurrentAttribute(ATTR_TRANSPFILLMAPPING);
if(pTransMapAttr != NULL)
pMapAttr = pTransMapAttr->MakeSimilarNonTranspFillMapping();
}
// Setup region and draw path into it
if (pFillAttr != NULL)
{
pMaskRegion->SetFillGeometry(pFillAttr, TRUE);
if(pMapAttr != NULL)
pMaskRegion->SetFillMapping(pMapAttr, TRUE);
}
else
pMaskRegion->SetFillColour(DocColour(0, 0, 0));
pMaskRegion->SetLineColour(DocColour(COLOUR_TRANS));
pMaskRegion->DrawPath(pPath, NULL, ShapePath);
pMaskRegion->RestoreContext();
}
}
pMaskRegion->StopRender();
}
pMaskRegion->StopUsingGreyscaleContextDangerous();
}
// Extract the transparency mask bitmap from the render region
OILBitmap *pOilBmp = pMaskRegion->ExtractBitmap();
// We no longer need the RenderRegion, so scrap it.
delete pMaskRegion;
pMaskRegion = NULL;
pPalette = NULL;
// Now, render a rectangle to the output render region, using the transparency mask
if (pOilBmp == NULL)
return;
KernelBitmap *pMask = new KernelBitmap(pOilBmp, TRUE);
if (pMask != NULL)
{
// Make sure the bitmap knows it's already a greyscale, else it will spend a lot of
// time "converting" itself to a greyscale, and what's more, corrupting the grey levels
// so that 255 (invisible) becomes 254 (slightly visible). Arrrrrgh!
pMask->SetAsGreyscale();
// Create a transparency attribute from our mask bitmap
BitmapTranspFillAttribute Trans;
// We don't call pTrans->AttachBitmap because it seems to be stupid, and causes ructions
// when we try to attach a temporary bitmap. We thus do the same thing, but avoiding
// its attempts to automatically screw us about.
Trans.BitmapRef.Detach();
Trans.BitmapRef.SetBitmap(pMask);
Trans.SetStartPoint(&ClipRegion.lo);
DocCoord EndPoint(ClipRegion.hi.x, ClipRegion.lo.y);
Trans.SetEndPoint(&EndPoint);
DocCoord EndPoint2(ClipRegion.lo.x, ClipRegion.hi.y);
Trans.SetEndPoint2(&EndPoint2);
UINT32 TValue = 0;
Trans.SetStartTransp(&TValue);
TValue = 255;
Trans.SetEndTransp(&TValue);
// Use the same transparency type as is set on the object being rendered (if any)
{
TranspFillAttribute *pTransAttr = (TranspFillAttribute *) pRender->GetCurrentAttribute(ATTR_TRANSPFILLGEOMETRY);
if (pTransAttr != NULL)
Trans.SetTranspType(pTransAttr->GetTranspType());
else
Trans.SetTranspType(TT_Mix); // By default, we'll use Mix transparency
}
// --- OK, we finally got here! Render the stroke, using the transparency mask we just made
pRender->SaveContext();
Trans.Render(pRender);
// Render the path. If it is filled, then we render the entire thing (fill & stroke) using
// the current fill geometry (to get a shadow/feather effect)
if (PathIsFilled)
{
// Render the entire thing (fill & stroke) in one go. We render a rectangle over the cliprect
// so that we do everything in one go (we can't render the fill &7 stroke separately, or
// the transparency will overlap & it'll look wrong)
pRender->SetLineColour(DocColour(COLOUR_TRANS)); // Don't render a line
Path Rect;
Rect.Initialise();
Rect.AddMoveTo(ClipRegion.lo);
Rect.AddLineTo(DocCoord(ClipRegion.hix, ClipRegion.loy));
Rect.AddLineTo(ClipRegion.hi);
Rect.AddLineTo(DocCoord(ClipRegion.lox, ClipRegion.hiy));
Rect.AddLineTo(ClipRegion.lo);
Rect.IsFilled = TRUE;
Rect.IsStroked = FALSE;
pRender->DrawPath(&Rect, this, ShapePath);
}
else
{
// Otherwise, create a filled-outline path for the entire stroke, and render it
// !!!!****ToDo - for now, strokes always render flat-filled with the stroke colour
StrokeColourAttribute *pStrokeColour = (StrokeColourAttribute *) pRender->GetCurrentAttribute(ATTR_STROKECOLOUR);
if (pStrokeColour != NULL)
pRender->SetFillColour(pStrokeColour->Colour);
// Fill the holes
pRender->SetWindingRule(NonZeroWinding);
Path *pOutput = CreateVarWidthStroke(pPath, pRender, LineWidth);
if (pOutput != NULL)
{
pRender->DrawPath(pOutput, NULL, ShapePath);
delete pOutput;
pOutput = NULL;
}
}
pRender->RestoreContext();
// Delete the kernel bitmap. This auto-deletes the OIL bitmap for us
delete pMask;
}
#endif
}
void OpAlign::DoWithParam(OpDescriptor* pOp, OpParam* pAlignParam)
{
// DMc alterations so that this works with compound nodes
SelRange Selection(*(GetApplication()->FindSelection()));
RangeControl rg = Selection.GetRangeControlFlags();
rg.PromoteToParent = TRUE;
Selection.Range::SetRangeControl(rg);
DocRect SelRect = Selection.GetBoundingRect();
DocRect TargetRect;
TargetRect.MakeEmpty();
INT32 NumObjs = Selection.Count();
AlignParam* pAlign =(AlignParam*)pAlignParam;
BOOL moved=FALSE; // set to TRUE if any object is moved
BeginSlowJob(-1,FALSE);
BOOL OK=DoStartTransOp(FALSE);
// find parent spread of first object in selection
Node* pFirstNode=NULL;
Spread* pSpread =NULL;
if (OK)
{
pFirstNode=Selection.FindFirst();
if (pFirstNode!=NULL)
pSpread=pFirstNode->FindParentSpread();
OK=(pSpread!=NULL);
if (!OK)
ERROR2RAW("OpAlign::DoWithParam() - could not find parent spread");
}
// Find the size of the target rectangle
if (pAlign->target==ToSelection)
TargetRect=SelRect;
else
{
Page* pPage=pSpread->FindFirstPageInSpread();
while (pPage)
{
DocRect PageRect=pPage->GetPageRect();
if (pAlign->target==ToSpread || SelRect.IsIntersectedWith(PageRect))
TargetRect=TargetRect.Union(PageRect);
pPage=pPage->FindNextPage();
}
}
// allocate all dynamic memory required
Node** pObj=NULL;
ObjInfo* x =NULL;
ObjInfo* y =NULL;
INT32* dx =NULL;
INT32* dy =NULL;
if (OK) ALLOC_WITH_FAIL(pObj,(Node**) CCMalloc(NumObjs*sizeof(Node*)), this);
if (pObj!=NULL) ALLOC_WITH_FAIL(x, (ObjInfo*)CCMalloc(NumObjs*sizeof(ObjInfo)),this);
if ( x!=NULL) ALLOC_WITH_FAIL(y, (ObjInfo*)CCMalloc(NumObjs*sizeof(ObjInfo)),this);
if ( y!=NULL) ALLOC_WITH_FAIL(dx, (INT32*) CCMalloc(NumObjs*sizeof(INT32)), this);
if ( dx!=NULL) ALLOC_WITH_FAIL(dy, (INT32*) CCMalloc(NumObjs*sizeof(INT32)), this);
OK=(dy!=NULL);
// if memory claimed OK and target rect not empty proceed with op
// (ie. do nothing if 'within page(s)' when no object on a page)
DocRect EmptyRect;
if (OK && TargetRect!=EmptyRect)
{
// create an array of pointers to objects (nodes) to be affected
Node* pNode=Selection.FindFirst();
INT32 i=0;
while (pNode!=NULL)
{
if (pNode->IsBounded() && !((NodeRenderableBounded*)pNode)->GetBoundingRect(TRUE).IsEmpty())
pObj[i++]=pNode;
pNode=Selection.FindNext(pNode);
}
NumObjs=i;
// cache x & y info in separate arrays so they can be sorted separately
XLONG SumObjWidths =0;
XLONG SumObjHeights=0;
for (i=0; i<NumObjs; i++)
{
DocRect ObjRect=((NodeRenderableBounded*)pObj[i])->GetBoundingRect();
x[i].i=i;
x[i].lo=ObjRect.lo.x;
x[i].hi=ObjRect.hi.x;
SumObjWidths+=ObjRect.hi.x-ObjRect.lo.x;
y[i].i=i;
y[i].lo=ObjRect.lo.y;
y[i].hi=ObjRect.hi.y;
SumObjHeights+=ObjRect.hi.y-ObjRect.lo.y;
}
// for each object, calculate the x and y displacements independently
AlignOneAxis(pAlign->h,NumObjs,SumObjWidths, TargetRect.lo.x,TargetRect.hi.x,x,dx);
AlignOneAxis(pAlign->v,NumObjs,SumObjHeights,TargetRect.lo.y,TargetRect.hi.y,y,dy);
// apply the x and y displacements simultaneously to each object
for (i=0; i<NumObjs; i++)
if (dx[i]!=0 || dy[i]!=0)
{
moved=TRUE;
Trans2DMatrix* pMatrix=new Trans2DMatrix(dx[i],dy[i]);
DoTransformNode((NodeRenderableInk*)pObj[i],pMatrix);
}
}
// free up any memory which was allocated
CCFree(dx);
CCFree(dy);
CCFree(x);
CCFree(y);
CCFree(pObj);
if (moved)
{
Document::GetSelected()->ForceRedraw(pSpread, TargetRect);
GetApplication()->UpdateSelection();
}
else
FailAndExecute();
End();
EndSlowJob();
}
