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TextToolBlobPosList Class Reference

A list the positions of blobs that the text tool is rendering as tool blobs. This class is just a wrapper arouind the list class, providing common handling functions. More...

#include <texttool.h>

Inheritance diagram for TextToolBlobPosList:

List CCObject SimpleCCObject List of all members.

Public Member Functions

 CC_DECLARE_DYNAMIC (TextToolBlobPosList)
 TextToolBlobPosList ()
 Constructor - sets member variables to defaults.
 ~TextToolBlobPosList ()
 Destructor.
BOOL BuildFromSelection ()
 Builds a list of text tool blob positions based on the current selection.
BOOL RenderAllBlobs (Spread *pSpread=NULL, DocRect *pClipRect=NULL)
 Renders all the blobs currently in the list (optionally for a given spread).
BOOL FindBlobStory (Spread *pSpread, DocCoord PointerPos, BOOL *pLeft, TextStory **pStory)
 Finds the textstory that the mouse is over.
BOOL RenderAndRemove (TextStory *pStory)
 If the story is in the list of blobs then it's blob is rendered (off) and the blob is removed from the blob list.
void RenderAndRemoveAll ()
 renders off all the blobs and removes them from the list.
Spread * GetBlobSpread () const

Static Public Member Functions

static void RenderBlobPair (Spread *pSpread, DocRect *pClipRect, TextToolBlobPosItem *pPair)
 Renders a pair of blobs (left, right and connecting line).
static void RenderBlob (Spread *pSpread, DocRect *pClipRect, DocCoord BlobPos)
 Renders one text origin blob.

Protected Attributes

Spread * m_pSelSpread

Detailed Description

A list the positions of blobs that the text tool is rendering as tool blobs. This class is just a wrapper arouind the list class, providing common handling functions.

Author:
Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com>
Date:
5/2/96

Definition at line 154 of file texttool.h.

Constructor & Destructor Documentation

TextToolBlobPosList::TextToolBlobPosList (   ) 
 

Constructor - sets member variables to defaults.

Author:
Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com>
Date:
5/2/96
Parameters:
- [INPUTS]
- [OUTPUTS]
Returns:
-

Definition at line 2563 of file texttool.cpp.

02564 {
02565     m_pSelSpread = NULL;
02566 }

TextToolBlobPosList::~TextToolBlobPosList (   ) 
 

Destructor.

Author:
Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com>
Date:
5/2/96
Parameters:
- [INPUTS]
- [OUTPUTS]
Returns:
-

Definition at line 2580 of file texttool.cpp.

02581 {
02582     DeleteAll();
02583 }

Member Function Documentation

BOOL TextToolBlobPosList::BuildFromSelection (   ) 
 

Builds a list of text tool blob positions based on the current selection.

Author:
Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com>
Date:
5/2/96
Parameters:
- [INPUTS]
- [OUTPUTS]
Returns:
TRUE for success, FALSE if an error occured

Definition at line 2597 of file texttool.cpp.

02598 {
02599     // Delete what we currently have
02600     DeleteAll();
02601     m_pSelSpread = NULL;
02602 
02603     // Scan the selection for selected text stories & text stories with a sub-selection
02604     SelRange* pSel = GetApplication()->FindSelection();
02605     Node* pCurrent = pSel->FindFirst();
02606     TextStory* pLastSelStory = NULL;
02607     while (pCurrent!=NULL)
02608     {
02609         // Are we interested in this item?
02610         if (pCurrent->IsABaseTextClass())
02611         {
02612             TextStory* pCurrentStory = ((BaseTextClass*)pCurrent)->FindParentStory();
02613 
02614             if (pCurrentStory!=NULL && pCurrentStory!=pLastSelStory && pCurrentStory->IsWordWrapping())
02615             {
02616                 DocCoord LeftBlob;
02617                 DocCoord RightBlob;
02618 
02619                 if (pCurrentStory->GetTextPath() != NULL)
02620                 {
02621                     LeftBlob = pCurrentStory->GetLeftIndentPos();
02622                     RightBlob = pCurrentStory->GetRightIndentPos();
02623                 }
02624                 else
02625                 {
02626                     const Matrix* pStoryMat = pCurrentStory->GetpStoryMatrix();
02627                     LeftBlob = DocCoord(0,0);
02628                     RightBlob = DocCoord(pCurrentStory->GetStoryWidth(),0);
02629                     pStoryMat->transform(&LeftBlob);
02630                     pStoryMat->transform(&RightBlob);
02631                 }
02632 
02633                 Spread* pSpread = pCurrentStory->FindParentSpread();
02634 
02635                 // Add blob to list
02636                 ERROR3IF(pSpread==NULL, "Story didn't have a parent spread!");
02637                 if (pSpread!=NULL)
02638                 {
02639                     // Construct a list item
02640                     TextToolBlobPosItem* pNewItem = new TextToolBlobPosItem(LeftBlob, RightBlob, (pCurrentStory->GetTextPath()==NULL), pCurrentStory);
02641                     if (pNewItem==NULL)
02642                         return FALSE;
02643 
02644                     // Add it to the list
02645                     AddTail(pNewItem);
02646 
02647                     // Update spread pointer
02648                     ERROR3IF(m_pSelSpread!=NULL && m_pSelSpread!=pSpread, "Selection crosses spreads!  Text tool blobs wont work!");
02649                     m_pSelSpread = pSpread;
02650                 }
02651 
02652                 pLastSelStory = pCurrentStory;
02653             }
02654         }
02655 
02656         pCurrent = pSel->FindNext(pCurrent);
02657     }
02658 
02659     return TRUE;
02660 }

TextToolBlobPosList::CC_DECLARE_DYNAMIC (  TextToolBlobPosList   ) 
 

BOOL TextToolBlobPosList::FindBlobStory (  Spread *  pSpread,
DocCoord  PointerPos,
BOOL *  pLeft,
TextStory **  pStory
) 
 

Finds the textstory that the mouse is over.

Author:
Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com>
Date:
7/2/96
Parameters:
pSpread - spread PointerPos is on [INPUTS] PointerPos - the coord to check
pLeft - TRUE if point over left blob, FALSE if over right blob (Can be NULL) [OUTPUTS] pStory - pointer to found story, NULL if no story
Returns:
TRUE/FALSE for success/failure

Definition at line 2782 of file texttool.cpp.

02783 {
02784     // Is the spread the same as our current one?
02785     ERROR2IF(pSpread!=m_pSelSpread && m_pSelSpread!=NULL, FALSE, "Different spreads");
02786     ERROR2IF(pStory==NULL, FALSE, "NULL output parameter");
02787 
02788     // Work backwards through our blob list, thus in hit test order.
02789     TextToolBlobPosItem* pItem = (TextToolBlobPosItem*) GetTail();
02790     while (pItem!=NULL)
02791     {
02792         // Get a rectangle surrounding the left blob
02793         DocRect BlobBounds;
02794         DocCoord BlobPos = pItem->GetLeftBlobPos();
02795         GetApplication()->GetBlobManager()->GetBlobRect(BlobPos, &BlobBounds);
02796         if (BlobBounds.ContainsCoord(PointerPos))
02797         {
02798             if (pLeft!=NULL)
02799                 *pLeft = TRUE;
02800             *pStory = pItem->GetBlobStory();
02801 
02802             return TRUE;
02803         }
02804 
02805         // Test the right blob
02806         BlobPos = pItem->GetRightBlobPos();
02807         GetApplication()->GetBlobManager()->GetBlobRect(BlobPos, &BlobBounds);
02808         if (BlobBounds.ContainsCoord(PointerPos))
02809         {
02810             if (pLeft!=NULL)
02811                 *pLeft = FALSE;
02812             *pStory = pItem->GetBlobStory();
02813 
02814             return TRUE;
02815         }
02816 
02817         pItem = (TextToolBlobPosItem*) GetPrev(pItem);
02818     }
02819 
02820     return TRUE;
02821 }

Spread* TextToolBlobPosList::GetBlobSpread (   )  const [inline]
 

Definition at line 169 of file texttool.h.

00169 {return m_pSelSpread;}

BOOL TextToolBlobPosList::RenderAllBlobs (  Spread *  pSpread = NULL,
DocRect *  pClipRect = NULL
) 
 

Renders all the blobs currently in the list (optionally for a given spread).

Author:
Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com>
Date:
5/2/96
Parameters:
pSpread - spread to render blobs for, NULL for all spreads [INPUTS] pClipRect - rendering clipping rectangle, NULL for no clipping
- [OUTPUTS]
Returns:
TRUE for success, FALSE if an error occured

Definition at line 2675 of file texttool.cpp.

02676 {
02677     TextToolBlobPosItem* pItem = (TextToolBlobPosItem*) GetHead();
02678 
02679     // If no spread specified then use current, only render onto current spread
02680     if (pSpread==NULL)
02681         pSpread = m_pSelSpread;
02682     if (m_pSelSpread!=pSpread)
02683         return TRUE;
02684 
02685     while (pItem!=NULL)
02686     {
02687         RenderBlobPair(pSpread, pClipRect, pItem);
02688 
02689         pItem = (TextToolBlobPosItem*) GetNext(pItem);
02690     }
02691 
02692     return TRUE;
02693 }

BOOL TextToolBlobPosList::RenderAndRemove (  TextStory *  pStory  ) 
 

If the story is in the list of blobs then it's blob is rendered (off) and the blob is removed from the blob list.

Author:
Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com>
Date:
23/2/96
Parameters:
pStory - pointer to a text story [INPUTS]
- [OUTPUTS]
Returns:
TRUE/FALSE for success/failure

Definition at line 2836 of file texttool.cpp.

02837 {
02838     ERROR2IF(pStory==NULL, FALSE, "NULL story pointer");
02839 
02840     // Work through our list to find the story
02841     TextToolBlobPosItem* pItem = (TextToolBlobPosItem*) GetHead();
02842     while (pItem!=NULL)
02843     {
02844         if (pItem->GetBlobStory() == pStory)
02845         {
02846             // Render the blob pair off
02847             RenderBlobPair(m_pSelSpread, NULL, pItem);
02848 
02849             // Remove it from the list
02850             RemoveItem(pItem);
02851             delete pItem;
02852             
02853             return TRUE;
02854         }
02855         else
02856             pItem = (TextToolBlobPosItem*) GetNext(pItem);
02857     }
02858 
02859     ERROR3("Story not found");
02860 
02861     return TRUE;
02862 }

void TextToolBlobPosList::RenderAndRemoveAll (   ) 
 

renders off all the blobs and removes them from the list.

Author:
Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com>
Date:
23/2/96
Parameters:
- [INPUTS]
- [OUTPUTS]
Returns:
-

Definition at line 2876 of file texttool.cpp.

02877 {
02878     // Work through our list to find the story
02879     TextToolBlobPosItem* pItem = (TextToolBlobPosItem*) RemoveHead();
02880     while (pItem!=NULL)
02881     {
02882         // Render the blob pair off
02883         RenderBlobPair(m_pSelSpread, NULL, pItem);
02884 
02885         // Delte the item now we've finshed with it.
02886         delete pItem;
02887             
02888         pItem = (TextToolBlobPosItem*) RemoveHead();
02889     }
02890 }

void TextToolBlobPosList::RenderBlob (  Spread *  pSpread,
DocRect *  pClipRect,
DocCoord  BlobPos
)  [static]
 

Renders one text origin blob.

Author:
Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com>
Date:
22/2/96
Parameters:
pSpread - spread to render blobs for [INPUTS] pClipRect - rendering clipping rectangle BlobPos - the position to render the blob
- [OUTPUTS]
Returns:
TRUE for success, FALSE if an error occured

Definition at line 2753 of file texttool.cpp.

02754 {
02755     RenderRegion* pRegion = DocView::RenderOnTop(pClipRect, pSpread, ClippedEOR);
02756     while (pRegion != NULL)
02757     {
02758         // Draw a Cross Hair
02759         pRegion->SetLineColour(COLOUR_NONE);
02760         pRegion->SetFillColour(COLOUR_BEZIERBLOB);
02761         pRegion->DrawBlob(BlobPos, BT_UNSELECTED);
02762 
02763         // Get the next region in the list
02764         pRegion = DocView::GetNextOnTop(pClipRect);
02765     }
02766 }

void TextToolBlobPosList::RenderBlobPair (  Spread *  pSpread,
DocRect *  pClipRect,
TextToolBlobPosItem *  pPair
)  [static]
 

Renders a pair of blobs (left, right and connecting line).

Author:
Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com>
Date:
20/8/96
Parameters:
pSpread - spread to render blobs for [INPUTS] pClipRect - rendering clipping rectangle pPair - the TextToolBlobPosItem describing the blob pair
- [OUTPUTS]
Returns:
TRUE for success, FALSE if an error occured

Definition at line 2709 of file texttool.cpp.

02710 {
02711     ERROR3IF(pPair==NULL, "NULL pointer");
02712 
02713     if (pPair!=NULL)
02714     {
02715         // This code is very similar to RenderBlob but avoids having to create 3 times as
02716         // the number of RenderOnTop loops.
02717         RenderRegion* pRegion = DocView::RenderOnTop(pClipRect, pSpread, ClippedEOR);
02718         while (pRegion != NULL)
02719         {
02720             // Draw the two blobs
02721             pRegion->SetLineColour(COLOUR_NONE);
02722             pRegion->SetFillColour(COLOUR_BEZIERBLOB);
02723             pRegion->DrawBlob(pPair->GetLeftBlobPos(), BT_UNSELECTED);
02724             pRegion->DrawBlob(pPair->GetRightBlobPos(), BT_UNSELECTED);
02725 
02726             // Draw the connecting line
02727             if (pPair->IsConnected())
02728             {
02729                 pRegion->SetLineColour(COLOUR_BEZIERBLOB);
02730                 pRegion->DrawLine(pPair->GetLeftBlobPos(), pPair->GetRightBlobPos());
02731             }
02732 
02733             // Get the next region in the list
02734             pRegion = DocView::GetNextOnTop(pClipRect);
02735         }
02736     }
02737 }

Member Data Documentation

Spread* TextToolBlobPosList::m_pSelSpread [protected]
 

Definition at line 172 of file texttool.h.

The documentation for this class was generated from the following files:
Generated on Sat Nov 10 04:01:53 2007 for Camelot by  doxygen 1.4.4