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/*
* DBcellcopy.c --
*
* Cell copying (yank and stuff)
*
* *********************************************************************
* * Copyright (C) 1985, 1990 Regents of the University of California. *
* * Permission to use, copy, modify, and distribute this *
* * software and its documentation for any purpose and without *
* * fee is hereby granted, provided that the above copyright *
* * notice appear in all copies. The University of California *
* * makes no representations about the suitability of this *
* * software for any purpose. It is provided "as is" without *
* * express or implied warranty. Export of this software outside *
* * of the United States of America may require an export license. *
* *********************************************************************
*/
#ifndef lint
static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/database/DBcellcopy.c,v 1.13 2010/06/24 12:37:15 tim Exp $";
#endif /* not lint */
#include <stdio.h>
#include "utils/magic.h"
#include "utils/geometry.h"
#include "utils/geofast.h"
#include "utils/malloc.h"
#include "tiles/tile.h"
#include "utils/hash.h"
#include "database/database.h"
#include "database/databaseInt.h"
#include "textio/textio.h"
#include "windows/windows.h"
#include "dbwind/dbwind.h"
#include "commands/commands.h"
/*
* The following variable points to the tables currently used for
* painting. The paint tables are occasionally switched, by clients
* like the design-rule checker, by calling DBNewPaintTable. This
* paint table applies only to the routine in this module.
*/
static PaintResultType (*dbCurPaintTbl)[NT][NT] = DBPaintResultTbl;
/*
* The following variable points to the version of DBPaintPlane used
* for painting during yanks. This is occasionally switched by clients
* such as the design-rule checker that need to use, for example,
* DBPaintPlaneMark instead of the standard version.
*/
static void (*dbCurPaintPlane)() = DBPaintPlaneWrapper;
/* Structure passed to DBTreeSrTiles() */
struct copyAllArg
{
TileTypeBitMask *caa_mask; /* Mask of tile types to be copied */
Rect caa_rect; /* Clipping rect in target coords */
CellUse *caa_targetUse; /* Use to which tiles are copied */
Rect *caa_bbox; /* Bbox of material copied (in
* targetUse coords). Used only when
* copying cells.
*/
};
/* Structure passed to DBSrPaintArea() */
struct copyArg
{
TileTypeBitMask *ca_mask; /* Mask of tile types to be copied */
Rect ca_rect; /* Clipping rect in source coords */
CellUse *ca_targetUse; /* Use to which tiles are copied */
Transform *ca_trans; /* Transform to target */
};
/* Structure passed to DBTreeSrLabels to hold information about
* copying labels.
*/
struct copyLabelArg
{
CellUse *cla_targetUse; /* Use to which labels are copied. */
Rect *cla_bbox; /* If non-NULL, points to rectangle
* to be filled in with total area of
* all labels copied.
*/
};
/*
* ----------------------------------------------------------------------------
*
* DBPaintPlaneWrapper --
*
* Simple wrapper to DBPaintPlane.
* Note that this function is passed as a pointer on occasion, so
* it cannot be replaced with a macro!
*
* ----------------------------------------------------------------------------
*/
void
DBPaintPlaneWrapper(def, pNum, type, area, undo)
CellDef *def;
int pNum;
TileType type;
Rect *area;
PaintUndoInfo *undo;
{
TileType loctype = type & TT_LEFTMASK;
Rect expand;
undo->pu_pNum = pNum;
DBNMPaintPlane(def->cd_planes[pNum], type, area,
dbCurPaintTbl[pNum][loctype], undo);
GEO_EXPAND(area, 1, &expand);
DBMergeNMTiles(def->cd_planes[pNum], &expand, undo);
}
/*
* ----------------------------------------------------------------------------
*
* DBPaintPlaneMark --
*
* Another wrapper function to DBPaintPlane. This one is used for
* hierarchical DRC, and ensures that tiles are never painted twice
* on the same pass, so as not to cause false overlap errors.
*
* ----------------------------------------------------------------------------
*/
void
DBPaintPlaneMark(def, pNum, type, area, undo)
CellDef *def;
int pNum;
TileType type;
Rect *area;
PaintUndoInfo *undo;
{
TileType loctype = type & TT_LEFTMASK;
undo->pu_pNum = pNum;
DBNMPaintPlane0(def->cd_planes[pNum], type, area,
dbCurPaintTbl[pNum][loctype], undo, (unsigned char)PAINT_MARK);
}
/*
* ----------------------------------------------------------------------------
*
* ----------------------------------------------------------------------------
*/
void
DBPaintPlaneXor(def, pNum, type, area, undo)
CellDef *def;
int pNum;
TileType type;
Rect *area;
PaintUndoInfo *undo;
{
TileType loctype = type & TT_LEFTMASK;
undo->pu_pNum = pNum;
DBNMPaintPlane0(def->cd_planes[pNum], type, area,
dbCurPaintTbl[pNum][loctype], undo, (unsigned char)PAINT_XOR);
}
/*
* ----------------------------------------------------------------------------
*
* DBPaintPlaneActive ---
*
* This function calls DBPaintPlane, but first checks if the type
* being painted is an active layer. If the type is a contact,
* then the residues are checked to see if they are active layers.
* Painting proceeds accordingly.
*
* ----------------------------------------------------------------------------
*/
void
DBPaintPlaneActive(def, pNum, type, area, undo)
CellDef *def;
int pNum;
TileType type;
Rect *area;
PaintUndoInfo *undo;
{
TileType loctype = type & TT_LEFTMASK;
TileType t;
if (DBIsContact(loctype))
{
TileTypeBitMask tmask, *rMask;
rMask = DBResidueMask(loctype);
TTMaskAndMask3(&tmask, rMask, &DBActiveLayerBits);
if (!TTMaskEqual(&tmask, rMask))
{
if (!TTMaskIsZero(&tmask))
for (t = TT_TECHDEPBASE; t < DBNumUserLayers; t++)
if (TTMaskHasType(&tmask, t))
DBPaintPlaneWrapper(def, pNum, t | (type &
(TT_SIDE | TT_DIRECTION | TT_DIAGONAL)),
area, undo);
return;
}
}
if (TTMaskHasType(&DBActiveLayerBits, loctype))
DBPaintPlaneWrapper(def, pNum, type, area, undo);
}
/*
*-----------------------------------------------------------------------------
*
* DBCellCopyManhattanPaint --
*
* Copy paint from the tree rooted at scx->scx_use to the paint planes
* of targetUse, transforming according to the transform in scx.
* Only the types specified by typeMask are copied, and only Manhattan
* geometry is copied.
*
* Results:
* None.
*
* Side effects:
* Updates the paint planes in targetUse.
*
*-----------------------------------------------------------------------------
*/
void
DBCellCopyManhattanPaint(scx, mask, xMask, targetUse)
SearchContext *scx; /* Describes root cell to search, area to
* copy, transform from root cell to coords
* of targetUse.
*/
TileTypeBitMask *mask; /* Types of tiles to be yanked/stuffed */
int xMask; /* Expansion state mask to be used in search */
CellUse *targetUse; /* Cell into which material is to be stuffed */
{
struct copyAllArg arg;
int dbCopyManhattanPaint();
arg.caa_mask = mask;
arg.caa_targetUse = targetUse;
GEOTRANSRECT(&scx->scx_trans, &scx->scx_area, &arg.caa_rect);
(void) DBTreeSrTiles(scx, mask, xMask, dbCopyManhattanPaint, (ClientData) &arg);
}
/*
*-----------------------------------------------------------------------------
*
* DBCellCopyAllPaint --
*
* Copy paint from the tree rooted at scx->scx_use to the paint planes
* of targetUse, transforming according to the transform in scx.
* Only the types specified by typeMask are copied.
*
* Results:
* None.
*
* Side effects:
* Updates the paint planes in targetUse.
*
*-----------------------------------------------------------------------------
*/
void
DBCellCopyAllPaint(scx, mask, xMask, targetUse)
SearchContext *scx; /* Describes root cell to search, area to
* copy, transform from root cell to coords
* of targetUse.
*/
TileTypeBitMask *mask; /* Types of tiles to be yanked/stuffed */
int xMask; /* Expansion state mask to be used in search */
CellUse *targetUse; /* Cell into which material is to be stuffed */
{
TileTypeBitMask locMask;
struct copyAllArg arg;
int dbCopyAllPaint();
arg.caa_mask = mask;
arg.caa_targetUse = targetUse;
GEOTRANSRECT(&scx->scx_trans, &scx->scx_area, &arg.caa_rect);
/* Add any stacking types for the search (but not to mask passed as arg!) */
locMask = *mask;
DBMaskAddStacking(&locMask);
DBTreeSrTiles(scx, &locMask, xMask, dbCopyAllPaint, (ClientData) &arg);
}
/*
*-----------------------------------------------------------------------------
*
* DBCellCopyAllLabels --
*
* Copy labels from the tree rooted at scx->scx_use to targetUse,
* transforming according to the transform in scx. Only labels
* attached to layers of the types specified by mask are copied.
* The area to be copied is determined by GEO_LABEL_IN_AREA.
*
* Results:
* None.
*
* Side effects:
* Copies labels to targetUse, clipping against scx->scx_area.
* If pArea is given, store in it the bounding box of all the
* labels copied.
*
*-----------------------------------------------------------------------------
*/
void
DBCellCopyAllLabels(scx, mask, xMask, targetUse, pArea)
SearchContext *scx; /* Describes root cell to search, area to
* copy, transform from root cell to coords
* of targetUse.
*/
TileTypeBitMask *mask; /* Only labels of these types are copied */
int xMask; /* Expansion state mask to be used in search */
CellUse *targetUse; /* Cell into which labels are to be stuffed */
Rect *pArea; /* If non-NULL, points to a box that will be
* filled in with bbox (in targetUse coords)
* of all labels copied. Will be degenerate
* if nothing was copied.
*/
{
int dbCopyAllLabels();
struct copyLabelArg arg;
/* DBTeeSrLabels finds all the labels that we want plus some more.
* We'll filter out the ones that we don't need.
*/
arg.cla_targetUse = targetUse;
arg.cla_bbox = pArea;
if (pArea != NULL)
{
pArea->r_xbot = 0;
pArea->r_xtop = -1;
}
(void) DBTreeSrLabels(scx, mask, xMask, (TerminalPath *) 0,
TF_LABEL_ATTACH, dbCopyAllLabels,
(ClientData) &arg);
}
/*ARGSUSED*/
int
dbCopyAllLabels(scx, lab, tpath, arg)
SearchContext *scx;
Label *lab;
TerminalPath *tpath;
struct copyLabelArg *arg;
{
Rect labTargetRect;
Point labOffset;
int targetPos, labRotate;
CellDef *def;
def = arg->cla_targetUse->cu_def;
if (!GEO_LABEL_IN_AREA(&lab->lab_rect, &(scx->scx_area))) return 0;
GeoTransRect(&scx->scx_trans, &lab->lab_rect, &labTargetRect);
targetPos = GeoTransPos(&scx->scx_trans, lab->lab_just);
GeoTransPointDelta(&scx->scx_trans, &lab->lab_offset, &labOffset);
labRotate = GeoTransAngle(&scx->scx_trans, lab->lab_rotate);
/* Eliminate duplicate labels. Don't pay any attention to layers
* in deciding on duplicates: if text and position match, it's a
* duplicate.
*/
DBEraseLabelsByContent(def, &labTargetRect, -1, lab->lab_text);
DBPutFontLabel(def, &labTargetRect, lab->lab_font,
lab->lab_size, labRotate, &labOffset, targetPos,
lab->lab_text, lab->lab_type, lab->lab_flags);
if (arg->cla_bbox != NULL)
{
GeoIncludeAll(&labTargetRect, arg->cla_bbox);
/* Rendered font labels include the bounding box of the text itself */
if (lab->lab_font >= 0)
{
GeoTransRect(&scx->scx_trans, &lab->lab_bbox, &labTargetRect);
GeoIncludeAll(&labTargetRect, arg->cla_bbox);
}
}
return 0;
}
/*
*-----------------------------------------------------------------------------
*
* DBCellCopyPaint --
*
* Copy paint from the paint planes of scx->scx_use to the paint planes
* of targetUse, transforming according to the transform in scx.
* Only the types specified by typeMask are copied.
*
* Results:
* None.
*
* Side effects:
* Updates the paint planes in targetUse.
*
*-----------------------------------------------------------------------------
*/
void
DBCellCopyPaint(scx, mask, xMask, targetUse)
SearchContext *scx; /* Describes cell to search, area to
* copy, transform from cell to coords
* of targetUse.
*/
TileTypeBitMask *mask; /* Types of tiles to be yanked/stuffed */
int xMask; /* Expansion state mask to be used in search */
CellUse *targetUse; /* Cell into which material is to be stuffed */
{
int pNum;
PlaneMask planeMask;
TreeContext cxp;
TreeFilter filter;
struct copyAllArg arg;
int dbCopyAllPaint();
if (!DBDescendSubcell(scx->scx_use, xMask))
return;
arg.caa_mask = mask;
arg.caa_targetUse = targetUse;
GeoTransRect(&scx->scx_trans, &scx->scx_area, &arg.caa_rect);
/* Build dummy TreeContext */
cxp.tc_scx = scx;
cxp.tc_filter = &filter;
filter.tf_arg = (ClientData) &arg;
/* tf_func, tf_mask, tf_xmask, tf_planes, and tf_tpath are unneeded */
planeMask = DBTechTypesToPlanes(mask);
for (pNum = PL_PAINTBASE; pNum < DBNumPlanes; pNum++)
if (PlaneMaskHasPlane(planeMask, pNum))
{
cxp.tc_plane = pNum; /* not used? */
(void) DBSrPaintArea((Tile *) NULL,
scx->scx_use->cu_def->cd_planes[pNum], &scx->scx_area,
mask, dbCopyAllPaint, (ClientData) &cxp);
}
}
/*
*-----------------------------------------------------------------------------
*
* DBCellCopyLabels --
*
* Copy labels from scx->scx_use to targetUse, transforming according to
* the transform in scx. Only labels attached to layers of the types
* specified by mask are copied. If mask contains the L_LABEL bit, then
* all labels are copied regardless of their layer. The area copied is
* determined by GEO_LABEL_IN_AREA.
*
* Results:
* None.
*
* Side effects:
* Updates the labels in targetUse. If pArea is given, it will
* be filled in with the bounding box of all labels copied.
*
*-----------------------------------------------------------------------------
*/
void
DBCellCopyLabels(scx, mask, xMask, targetUse, pArea)
SearchContext *scx; /* Describes root cell to search, area to
* copy, transform from root cell to coords
* of targetUse.
*/
TileTypeBitMask *mask; /* Only labels of these types are copied */
int xMask; /* Expansion state mask to be used in search */
CellUse *targetUse; /* Cell into which labels are to be stuffed */
Rect *pArea; /* If non-NULL, points to rectangle to be
* filled in with bbox (in targetUse coords)
* of all labels copied. Will be degenerate
* if no labels are copied.
*/
{
Label *lab;
CellDef *def = targetUse->cu_def;
Rect labTargetRect;
Rect *rect = &scx->scx_area;
int targetPos, labRotate;
Point labOffset;
CellUse *sourceUse = scx->scx_use;
if (pArea != NULL)
{
pArea->r_xbot = 0;
pArea->r_xtop = -1;
}
if (!DBDescendSubcell(sourceUse, xMask))
return;
for (lab = sourceUse->cu_def->cd_labels; lab; lab = lab->lab_next)
if (GEO_LABEL_IN_AREA(&lab->lab_rect, rect) &&
(TTMaskHasType(mask, lab->lab_type)
|| TTMaskHasType(mask, L_LABEL)))
{
GeoTransRect(&scx->scx_trans, &lab->lab_rect, &labTargetRect);
targetPos = GeoTransPos(&scx->scx_trans, lab->lab_just);
GeoTransPointDelta(&scx->scx_trans, &lab->lab_offset, &labOffset);
labRotate = GeoTransAngle(&scx->scx_trans, lab->lab_rotate);
/* Eliminate duplicate labels. Don't pay any attention to
* type when deciding on duplicates, since types can change
* later and then we'd have a duplicate.
*/
DBEraseLabelsByContent(def, &labTargetRect, -1, lab->lab_text);
DBPutFontLabel(def, &labTargetRect, lab->lab_font,
lab->lab_size, labRotate, &labOffset, targetPos,
lab->lab_text, lab->lab_type, lab->lab_flags);
if (pArea != NULL)
(void) GeoIncludeAll(&labTargetRect, pArea);
}
}
/***
*** Filter function for paint: Ignores diagonal (split) tiles for
*** purposes of selection searches.
***/
int
dbCopyManhattanPaint(tile, cxp)
Tile *tile; /* Pointer to tile to copy */
TreeContext *cxp; /* Context from DBTreeSrTiles */
{
SearchContext *scx = cxp->tc_scx;
struct copyAllArg *arg;
Rect sourceRect, targetRect;
PaintUndoInfo ui;
CellDef *def;
TileType type;
int pNum = cxp->tc_plane;
/*
* Don't copy space tiles -- this copy is additive.
* We should never get passed a space tile, though, because
* the caller will be using DBSrPaintArea, so this is just
* a sanity check.
*/
type = TiGetTypeExact(tile);
if (type == TT_SPACE || (type & TT_DIAGONAL))
return 0;
arg = (struct copyAllArg *) cxp->tc_filter->tf_arg;
/* Construct the rect for the tile in source coordinates */
TITORECT(tile, &sourceRect);
/* Transform to target coordinates */
GEOTRANSRECT(&scx->scx_trans, &sourceRect, &targetRect);
ui.pu_def = def = arg->caa_targetUse->cu_def;
def->cd_flags |= CDMODIFIED|CDGETNEWSTAMP;
/* Clip against the target area */
GEOCLIP(&targetRect, &arg->caa_rect);
(*dbCurPaintPlane)(def, pNum, type, &targetRect, &ui);
return (0);
}
/***
*** Filter function for paint
***/
int
dbCopyAllPaint(tile, cxp)
Tile *tile; /* Pointer to tile to copy */
TreeContext *cxp; /* Context from DBTreeSrTiles */
{
SearchContext *scx = cxp->tc_scx;
struct copyAllArg *arg;
Rect sourceRect, targetRect;
PaintUndoInfo ui;
CellDef *def;
TileType type = TiGetTypeExact(tile);
int pNum = cxp->tc_plane;
TileTypeBitMask *typeMask;
/*
* Don't copy space tiles -- this copy is additive.
* We should never get passed a space tile, though, because
* the caller will be using DBSrPaintArea, so this is just
* a sanity check.
*/
bool splittile = FALSE;
TileType dinfo = 0;
if (IsSplit(tile))
{
splittile = TRUE;
dinfo = DBTransformDiagonal(type, &scx->scx_trans);
type = (SplitSide(tile)) ? SplitRightType(tile) :
SplitLeftType(tile);
}
if (type == TT_SPACE)
return 0;
arg = (struct copyAllArg *) cxp->tc_filter->tf_arg;
typeMask = arg->caa_mask;
/* Resolve what type we're going to paint, based on the type and mask */
if (!TTMaskHasType(typeMask, type))
{
TileTypeBitMask rMask, *tmask;
/* Simple case---typeMask has a residue of type on pNum */
tmask = DBResidueMask(type);
TTMaskAndMask3(&rMask, typeMask, tmask);
TTMaskAndMask(&rMask, &DBPlaneTypes[pNum]);
if (!TTMaskIsZero(&rMask))
{
for (type = TT_TECHDEPBASE; type < DBNumUserLayers; type++)
if (TTMaskHasType(&rMask, type))
break;
if (type == DBNumUserLayers) return 0; /* shouldn't happen */
/* Hopefully there's always just one type here---sanity check */
TTMaskClearType(&rMask, type);
if (!TTMaskIsZero(&rMask))
{
/* Diagnostic */
TxError("Bad assumption: Multiple types to paint! Fix me!\n");
}
}
else
{
type = DBPlaneToResidue(type, pNum);
if (!TTMaskHasType(typeMask, type)) return 0;
}
}
/* Construct the rect for the tile in source coordinates */
TITORECT(tile, &sourceRect);
/* Transform to target coordinates */
GEOTRANSRECT(&scx->scx_trans, &sourceRect, &targetRect);
ui.pu_def = def = arg->caa_targetUse->cu_def;
def->cd_flags |= CDMODIFIED|CDGETNEWSTAMP;
/* Nonmanhattan geometry requires slightly different handling. */
/* Paint the whole tile and clip by erasing areas outside the */
/* clipping rectangle. */
if (splittile)
{
Point points[5];
Rect rrect, orect;
int np, i, j;
GrClipTriangle(&targetRect, &arg->caa_rect, TRUE, dinfo, points, &np);
if (np == 0)
return(0);
if (np >= 3)
{
for (i = 0; i < np; i++)
{
j = (i + 1) % np;
if (points[i].p_x != points[j].p_x && points[i].p_y !=
points[j].p_y)
{
/* Break out the triangle */
rrect.r_xbot = points[i].p_x;
rrect.r_xtop = points[j].p_x;
rrect.r_ybot = points[i].p_y;
rrect.r_ytop = points[j].p_y;
GeoCanonicalRect(&rrect, &targetRect);
break;
}
}
if (i == np) /* Exactly one Manhattan rectangle */
{
rrect.r_xbot = points[0].p_x;
rrect.r_xtop = points[2].p_x;
rrect.r_ybot = points[0].p_y;
rrect.r_ytop = points[2].p_y;
GeoCanonicalRect(&rrect, &targetRect);
dinfo = 0;
}
else if (np >= 4) /* Process extra rectangles in the area */
{
/* "orect" is the bounding box of the polygon returned */
/* by ClipTriangle. */
orect.r_xtop = orect.r_xbot = points[0].p_x;
orect.r_ytop = orect.r_ybot = points[0].p_y;
for (i = 0; i < np; i++)
GeoIncludePoint(&points[i], &orect);
/* Rectangle to left or right */
rrect.r_ybot = orect.r_ybot;
rrect.r_ytop = orect.r_ytop;
if (targetRect.r_xbot > orect.r_xbot)
{
rrect.r_xbot = orect.r_xbot;
rrect.r_xtop = targetRect.r_xbot;
}
else if (targetRect.r_xtop < orect.r_xtop)
{
rrect.r_xtop = orect.r_xtop;
rrect.r_xbot = targetRect.r_xtop;
}
else
goto topbottom;
(*dbCurPaintPlane)(def, pNum, type, &rrect, &ui);
topbottom:
/* Rectangle to top or bottom */
rrect.r_xbot = targetRect.r_xbot;
rrect.r_xtop = targetRect.r_xtop;
if (targetRect.r_ybot > orect.r_ybot)
{
rrect.r_ybot = orect.r_ybot;
rrect.r_ytop = targetRect.r_ybot;
}
else if (targetRect.r_ytop < orect.r_ytop)
{
rrect.r_ytop = orect.r_ytop;
rrect.r_ybot = targetRect.r_ytop;
}
else
goto splitdone;
(*dbCurPaintPlane)(def, pNum, type, &rrect, &ui);
}
}
}
else
/* Clip against the target area */
GEOCLIP(&targetRect, &arg->caa_rect);
splitdone:
(*dbCurPaintPlane)(def, pNum, dinfo | type, &targetRect, &ui);
return (0);
}
/*
*-----------------------------------------------------------------------------
*
* DBCellCopyAllCells --
*
* Copy unexpanded subcells from the tree rooted at scx->scx_use
* to the subcell plane of targetUse, transforming according to
* the transform in scx.
*
* This effectively "flattens" a cell hierarchy in the sense that
* all unexpanded subcells in a region (which would appear in the
* display as bounding boxes) are copied into targetUse without
* regard for their original location in the hierarchy of scx->scx_use.
* If an array is unexpanded, it is copied as an array, not as a
* collection of individual cells.
*
* Results:
* None.
*
* Side effects:
* Updates the cell plane in targetUse. If pArea is given, it
* will be filled in with the total area of all cells copied.
*
*-----------------------------------------------------------------------------
*/
void
DBCellCopyAllCells(scx, xMask, targetUse, pArea)
SearchContext *scx; /* Describes root cell to search, area to
* copy, transform from root cell to coords
* of targetUse.
*/
CellUse *targetUse; /* Cell into which material is to be stuffed */
int xMask; /* Expansion state mask to be used in
* searching. Cells not expanded according
* to this mask are copied. To copy everything
* in the subtree under scx->scx_use without
* regard to expansion, pass a mask of 0.
*/
Rect *pArea; /* If non-NULL, points to a rectangle to be
* filled in with bbox (in targetUse coords)
* of all cells copied. Will be degenerate
* if nothing was copied.
*/
{
struct copyAllArg arg;
int dbCellCopyCellsFunc();
arg.caa_targetUse = targetUse;
arg.caa_bbox = pArea;
if (pArea != NULL)
{
pArea->r_xbot = 0; /* Make bounding box empty initially. */
pArea->r_xtop = -1;
}
GeoTransRect(&scx->scx_trans, &scx->scx_area, &arg.caa_rect);
(void) DBTreeSrCells(scx, xMask, dbCellCopyCellsFunc, (ClientData) &arg);
}
/*
*-----------------------------------------------------------------------------
*
* DBCellCopyCells --
*
* Copy all subcells that are immediate children of scx->scx_use->cu_def
* into the subcell plane of targetUse, transforming according to
* the transform in scx. Arrays are copied as arrays, not as a
* collection of individual cells. If a cell is already present in
* targetUse that would be exactly duplicated by a new cell, the new
* cell isn't copied.
*
* Results:
* None.
*
* Side effects:
* Updates the cell plane in targetUse. If pArea is given, it will
* be filled in with the bounding box of all cells copied.
*
*-----------------------------------------------------------------------------
*/
void
DBCellCopyCells(scx, targetUse, pArea)
SearchContext *scx; /* Describes root cell to search, area to
* copy, transform from coords of
* scx->scx_use->cu_def to coords of targetUse.
*/
CellUse *targetUse; /* Cell into which material is to be stuffed */
Rect *pArea; /* If non-NULL, points to rectangle to be
* filled in with bbox (in targetUse coords)
* of all cells copied. Will be degenerate
* if nothing was copied.
*/
{
struct copyAllArg arg;
int dbCellCopyCellsFunc();
arg.caa_targetUse = targetUse;
arg.caa_bbox = pArea;
if (pArea != NULL)
{
pArea->r_xbot = 0;
pArea->r_xtop = -1;
}
GeoTransRect(&scx->scx_trans, &scx->scx_area, &arg.caa_rect);
(void) DBCellSrArea(scx, dbCellCopyCellsFunc, (ClientData) &arg);
}
/*
*-----------------------------------------------------------------------------
*
* dbCellCopyCellsFunc --
*
* Do the actual work of yanking cells for DBCellCopyAllCells() and
* DBCellCopyCells() above.
*
* Results:
* Always return 2.
*
* Side effects:
* Updates the cell plane in arg->caa_targetUse->cu_def.
*
*-----------------------------------------------------------------------------
*/
int
dbCellCopyCellsFunc(scx, arg)
SearchContext *scx; /* Pointer to search context containing
* ptr to cell use to be copied,
* and transform to the target def.
*/
struct copyAllArg *arg; /* Client data from caller */
{
CellUse *use, *newUse;
CellDef *def;
int xsep, ysep, xbase, ybase;
Transform newTrans;
use = scx->scx_use;
def = use->cu_def;
/* Don't allow circular structures! */
if (DBIsAncestor(def, arg->caa_targetUse->cu_def))
{
TxPrintf("Copying %s would create a circularity in the",
def->cd_name);
TxPrintf(" cell hierarchy \n(%s is already its ancestor)",
arg->caa_targetUse->cu_def->cd_name);
TxPrintf(" so cell not copied.\n");
return 2;
}
/* When creating a new use, try to re-use the id from the old
* one. Only create a new one if the old id can't be used.
*/
newUse = DBCellNewUse(def, (char *) use->cu_id);
if (!DBLinkCell(newUse, arg->caa_targetUse->cu_def))
{
freeMagic((char *) newUse->cu_id);
newUse->cu_id = NULL;
(void) DBLinkCell(newUse, arg->caa_targetUse->cu_def);
}
newUse->cu_expandMask = use->cu_expandMask;
newUse->cu_flags = use->cu_flags;
/* The translation stuff is funny, since we got one element of
* the array, but not necessarily the lower-left element. To
* get the transform for the array as a whole, subtract off fo
* the index of the element. The easiest way to see how this
* works is to look at the code in dbCellSrFunc; the stuff here
* is the opposite.
*/
if (use->cu_xlo > use->cu_xhi) xsep = -use->cu_xsep;
else xsep = use->cu_xsep;
if (use->cu_ylo > use->cu_yhi) ysep = -use->cu_ysep;
else ysep = use->cu_ysep;
xbase = xsep * (scx->scx_x - use->cu_xlo);
ybase = ysep * (scx->scx_y - use->cu_ylo);
GeoTransTranslate(-xbase, -ybase, &scx->scx_trans, &newTrans);
DBSetArray(use, newUse);
DBSetTrans(newUse, &newTrans);
if (DBCellFindDup(newUse, arg->caa_targetUse->cu_def) != NULL)
{
if (!(arg->caa_targetUse->cu_def->cd_flags & CDINTERNAL))
{
TxError("Cell \"%s\" would end up on top of an identical copy\n",
newUse->cu_id);
TxError(" of itself. I'm going to forget about the");
TxError(" new copy.\n");
}
DBUnLinkCell(newUse, arg->caa_targetUse->cu_def);
(void) DBCellDeleteUse(newUse);
}
else
{
DBPlaceCell(newUse, arg->caa_targetUse->cu_def);
if (arg->caa_bbox != NULL)
(void) GeoIncludeAll(&newUse->cu_bbox, arg->caa_bbox);
}
return 2;
}
/*
* ----------------------------------------------------------------------------
*
* DBNewPaintTable --
*
* This procedure changes the paint table to be used by the
* DBCellCopyPaint and DBCellCopyAllPaint procedures.
*
* Results:
* The return value is the address of the paint table that used
* to be in effect. It is up to the client to restore this
* value with another call to this procedure.
*
* Side effects:
* A new paint table takes effect. However, if newTable is NULL,
* then the old paint table remains active. This allows one to
* get a pointer to the active paint table without altering it.
*
* ----------------------------------------------------------------------------
*/
PaintResultType (*
DBNewPaintTable(newTable))[NT][NT]
PaintResultType (*newTable)[NT][NT]; /* Address of new paint table. */
{
PaintResultType (*oldTable)[NT][NT] = dbCurPaintTbl;
if (newTable) dbCurPaintTbl = newTable;
return oldTable;
}
/*
* ----------------------------------------------------------------------------
*
* DBNewPaintPlane --
*
* This procedure changes the painting procedure to be used by the
* DBCellCopyPaint and DBCellCopyAllPaint procedures.
*
* Results:
* The return value is the address of the paint procedure that
* used to be in effect. It is up to the client to restore this
* value with another call to this procedure.
*
* Side effects:
* A new paint procedure takes effect.
*
* ----------------------------------------------------------------------------
*/
VoidProc
DBNewPaintPlane(newProc)
void (*newProc)(); /* Address of new procedure */
{
void (*oldProc)() = dbCurPaintPlane;
dbCurPaintPlane = newProc;
return (oldProc);
}
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