office-gobmx/basegfx/source/vector/b2dvector.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
* OpenOffice.org - a multi-platform office productivity suite
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*
* This file is part of OpenOffice.org.
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*
* OpenOffice.org is free software: you can redistribute it and/or modify
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*
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*
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* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
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*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basegfx.hxx"
#include <basegfx/vector/b2dvector.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/numeric/ftools.hxx>
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namespace basegfx
{
B2DVector& B2DVector::normalize()
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{
double fLen(scalar(*this));
if(fTools::equalZero(fLen))
{
mfX = 0.0;
mfY = 0.0;
}
else
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{
const double fOne(1.0);
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if(!fTools::equal(fOne, fLen))
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{
fLen = sqrt(fLen);
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if(!fTools::equalZero(fLen))
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{
mfX /= fLen;
mfY /= fLen;
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}
}
}
return *this;
}
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B2DVector& B2DVector::operator=( const B2DTuple& rVec )
{
mfX = rVec.getX();
mfY = rVec.getY();
return *this;
}
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double B2DVector::getLength() const
{
CWS-TOOLING: integrate CWS aw059 2008-12-16 16:15:40 +0100 aw r265557 : #i95645# avoid expensive tries to stream in graphic data when stream is at end anyways 2008-12-15 16:49:58 +0100 wg r265512 : i97278 2008-12-12 16:02:15 +0100 aw r265427 : #i95645# new formulation was wrong in two places; thanks go to THB. Thanks! 2008-12-12 15:49:06 +0100 aw r265425 : #i95645# refined formulation of AA on/off constraints for VCLCanvas 2008-12-12 14:51:26 +0100 aw r265420 : #i95645# workaround for DrawTransparent of button hilighting when remote displayed; somehow GDI+ does bad dithering in that case 2008-12-12 13:23:00 +0100 aw r265414 : removed temporary build hack; it made it's way in using the rebase; with SVN the rebase is not based on pure checkouts, but uses local changes. 2008-12-11 19:35:59 +0100 aw r265352 : #i95645# need to switch off AA for WNT and UNX, the VCLCanvas is currently not able to handle AA correctly 2008-12-11 16:05:17 +0100 thb r265327 : #i95645# Changed defaults to on; as for the while svx dialog is not changed 2008-12-10 13:40:38 +0100 aw r265180 : #i95645# changed pixel snap to basegfx::fround 2008-12-10 13:25:45 +0100 aw r265177 : corrected linux warning 2008-12-10 12:28:02 +0100 aw r265167 : #i95645# added support for pixel snap/linux resp. no AA for mac (also pixel snap) when AA is switched off to the basegfx::B2DPolyPolygon painting VCL methods; needed for e.g. selection in SC and SW 2008-12-09 18:44:39 +0100 aw r265136 : #i95645# corrected filled path construction 2008-12-09 18:12:40 +0100 aw r265133 : #i95645# added support for non-AAd transparent paints 2008-12-09 18:11:58 +0100 aw r265132 : #i95645# forced selection without AA 2008-12-09 18:11:29 +0100 aw r265131 : #i88893# smoothed/corrected SW selection rects for transparent selection, forced selection without AA 2008-12-09 15:21:39 +0100 aw r265094 : #i95645# corrected FormControl full drag 2008-12-09 15:11:26 +0100 aw r265093 : #i95645# make gdiplus usages more safe when no line or fill color is selected 2008-12-09 14:30:09 +0100 aw r265085 : #i95645# added GDIPlus support 2008-12-09 13:41:06 +0100 aw r265081 : #i95645# added simple AA using GDIPlis to VCL 2008-12-09 13:40:46 +0100 aw r265080 : #i95645# added simple AA using GDIPlis to VCL 2008-12-09 13:40:29 +0100 aw r265079 : #i95645# added simple AA using GDIPlis to VCL 2008-12-09 13:33:16 +0100 aw r265078 : #i95645# changes to requirements, discussed with FPE 2008-12-08 14:11:39 +0100 aw r264995 : #i95646# added missing extra-wireframe for SdrDragObjOwn implementations when object has no border 2008-12-08 14:11:00 +0100 aw r264994 : #i95646# corrected RenderMarkerArrayPrimitive2D OutDev usage in VclProcessor2D 2008-12-08 12:15:10 +0100 ufi r264987 : aw059 2008-12-08 12:14:40 +0100 ufi r264986 : aw059 2008-12-05 13:16:18 +0100 aw r264905 : CWS-TOOLING: rebase CWS aw059 to trunk@264807 (milestone: DEV300:m37) 2008-12-04 11:29:48 +0100 aw r264827 : #i95645# corrected warning 2008-12-03 14:43:39 +0100 aw r264783 : #i95645# simplified overlay manager and objects to stl vector; added stuff to render some more overlay to primitive renderer to get AA support for WIN32 2008-12-03 14:42:43 +0100 aw r264782 : #i95645# added test for WIN32 for AA if cairo canvas is available 2008-12-03 14:42:13 +0100 aw r264781 : #i95645# removed unused options for writer selection overlay 2008-12-03 14:41:51 +0100 aw r264780 : #i95645# removed unused options for calc overlay 2008-12-03 14:41:21 +0100 aw r264779 : #i95645# small corrections in canvas renderer 2008-12-02 18:32:31 +0100 aw r264730 : #i95646# merged cairo version from THB's CWS cairosource01 2008-12-02 15:25:45 +0100 aw r264705 : #i95645# added helpers for the MarkerArrayPrimitive2D change which support buffered creation of the most used markers 2008-12-02 12:50:01 +0100 aw r264690 : #i95645# added a non-saved method IsAAPossibleOnThisSystem to SvtOptionsDrawinglayer to quickly test if AA can be offered on the system, added buffering of that check. 2008-12-02 12:48:51 +0100 aw r264689 : #i95645# unified MarkerArrayPrimitive2D to work bitmap-orientated, adapted usages. Added buffered preparation for needed markers. Minor adaptions for AA 2008-12-02 12:47:53 +0100 aw r264688 : #i95645# unified MarkerArrayPrimitive2D to no longer work on a enum and types of markers, but to use a BitmapEx (or any other Bitmap object) which will be displayed centerd and in discrete coordinates at positions. Adapted decomposition and all usages. Corrected minor stuff with grid primitive 2008-11-28 17:11:12 +0100 thb r264565 : #i95645# Added two more lists to config; to be able to differentiate canvas capabilities 2008-11-28 17:03:27 +0100 thb r264563 : #i95645# Added two more lists to config; to be able to differentiate canvas capabilities 2008-11-28 17:00:07 +0100 thb r264562 : #i95645# Added two more lists to config; to be able to differentiate canvas capabilities 2008-11-28 16:59:51 +0100 thb r264561 : #i95645# Added two more lists to config; to be able to differentiate canvas capabilities 2008-11-27 19:13:42 +0100 aw r264519 : #i95646# optimized getLength() a little bit 2008-11-27 19:12:50 +0100 aw r264518 : #i95646# corrected AA expansion of invalidate frame; buffered discrete distance at OM 2008-11-27 18:50:05 +0100 aw r264516 : #i95646# corrected fit to frame texts for WIN32 2008-11-27 15:32:15 +0100 aw r264496 : #i95646# helplines corrected 2008-11-27 15:32:05 +0100 aw r264495 : #i95646# helplines corrected 2008-11-27 15:01:30 +0100 aw r264492 : #i95646# enable AA support for old polygons, especially to get support for MetaFile output 2008-11-27 14:33:28 +0100 aw r264489 : #i95646# AA support for wireframe overlays 2008-11-27 13:40:54 +0100 aw r264485 : #i95646# added full repaint when AA option changes 2008-11-27 13:29:19 +0100 aw r264482 : #i95646# corrected handling of bSolidDragging config entries 2008-11-27 13:29:08 +0100 aw r264481 : #i95646# corrected handling of bSolidDragging config entries 2008-11-27 11:30:12 +0100 aw r264469 : #i95646# corrected IsAAPossibleOnThisSystem implementation 2008-11-26 16:33:04 +0100 aw r264420 : #i95646# adapted OfaViewTabPage to use disable mechanism for AA and HWAccel 2008-11-26 15:49:19 +0100 aw r264406 : #i95646# added DlgEdObj::getFullDragClone() to create specialized simple SdrUnoObj clones for solid dragging 2008-11-26 15:48:11 +0100 aw r264405 : #i95646# changed derivation of ViewObjectContactOfUnoControl to get a valid isPrimitiveVisible() implementation 2008-11-26 14:11:37 +0100 aw r264385 : #i88893# added new look for selection in sw 2008-11-26 11:32:33 +0100 aw r264360 : corrected compiler warning 2008-11-25 18:46:29 +0100 aw r264328 : #i95646# snapshot with FullDrag clones 2008-11-25 18:46:07 +0100 aw r264327 : #i95646# snapshot with FullDrag clones 2008-11-25 18:45:43 +0100 aw r264326 : #i95646# snapshot with FullDrag clones 2008-11-25 18:19:04 +0100 thb r264324 : #i96585# Added missing inline specifier 2008-11-25 13:16:25 +0100 aw r264285 : #i95646# next snapshot 2008-11-25 13:15:33 +0100 aw r264284 : #i95646# next snapshot 2008-11-25 13:15:12 +0100 aw r264283 : #i95646# next snapshot 2008-11-25 13:14:51 +0100 aw r264282 : #i95646# next snapshot 2008-11-20 13:40:49 +0100 aw r264045 : #i95646# stable snapshot 2008-11-20 13:40:29 +0100 aw r264044 : #i95646# stable snapshot 2008-11-20 13:40:06 +0100 aw r264043 : #i95646# stable snapshot 2008-11-20 13:39:45 +0100 aw r264042 : #i95646# stable snapshot 2008-11-18 11:53:39 +0100 aw r263758 : #i95646# snapshot for linux test build 2008-11-18 11:52:54 +0100 aw r263757 : #i95646# snapshot for linux test build 2008-11-18 11:52:02 +0100 aw r263756 : #i95646# snapshot for linux test build 2008-11-14 18:17:49 +0100 aw r263692 : #i95646# snapshot with most stuff working 2008-11-14 18:14:26 +0100 aw r263691 : #i95646# snapshot with most stuff working 2008-11-14 18:12:50 +0100 aw r263690 : #i95646# snapshot with most stuff working 2008-11-14 18:12:16 +0100 aw r263689 : #i95646# snapshot with most stuff working 2008-11-14 18:11:41 +0100 aw r263688 : #i95646# snapshot with most stuff working 2008-11-07 18:44:22 +0100 aw r263479 : #i95968# better support PrefMapMode; special for MAP_PIXEL was missing 2008-11-05 17:39:15 +0100 aw r263356 : #i95644# #i95645# #i95646# bigger change done, saving for another experiment 2008-11-05 17:39:02 +0100 aw r263355 : #i95644# #i95645# #i95646# bigger change done, saving for another experiment 2008-11-05 12:28:32 +0100 aw r263350 : #i95644# #i95645# #i95646# in-between state before bigger change 2008-11-05 12:27:51 +0100 aw r263349 : #i95644# #i95645# #i95646# in-between state before bigger change 2008-11-05 12:26:58 +0100 aw r263348 : #i95644# #i95645# #i95646# in-between state before bigger change 2008-11-05 12:26:17 +0100 aw r263347 : #i95644# #i95645# #i95646# in-between state before bigger change 2008-11-05 12:25:55 +0100 aw r263346 : #i95644# #i95645# #i95646# in-between state before bigger change
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if(fTools::equalZero(mfX))
{
return fabs(mfY);
}
else if(fTools::equalZero(mfY))
{
return fabs(mfX);
}
return hypot( mfX, mfY );
}
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double B2DVector::scalar( const B2DVector& rVec ) const
{
return((mfX * rVec.mfX) + (mfY * rVec.mfY));
}
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double B2DVector::cross( const B2DVector& rVec ) const
{
return(mfX * rVec.getY() - mfY * rVec.getX());
}
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double B2DVector::angle( const B2DVector& rVec ) const
{
return atan2(mfX * rVec.getY() - mfY * rVec.getX(),
mfX * rVec.getX() + mfY * rVec.getY());
}
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const B2DVector& B2DVector::getEmptyVector()
{
return (const B2DVector&) B2DTuple::getEmptyTuple();
}
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B2DVector& B2DVector::operator*=( const B2DHomMatrix& rMat )
{
const double fTempX( rMat.get(0,0)*mfX +
rMat.get(0,1)*mfY );
const double fTempY( rMat.get(1,0)*mfX +
rMat.get(1,1)*mfY );
mfX = fTempX;
mfY = fTempY;
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return *this;
}
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B2DVector& B2DVector::setLength(double fLen)
{
double fLenNow(scalar(*this));
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if(!fTools::equalZero(fLenNow))
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{
const double fOne(10.0);
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if(!fTools::equal(fOne, fLenNow))
{
fLen /= sqrt(fLenNow);
}
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mfX *= fLen;
mfY *= fLen;
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}
return *this;
}
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bool B2DVector::isNormalized() const
{
const double fOne(1.0);
const double fScalar(scalar(*this));
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return fTools::equal(fOne, fScalar);
}
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bool areParallel( const B2DVector& rVecA, const B2DVector& rVecB )
{
const double fValA(rVecA.getX() * rVecB.getY());
const double fValB(rVecA.getY() * rVecB.getX());
return fTools::equal(fValA, fValB);
}
B2VectorOrientation getOrientation( const B2DVector& rVecA, const B2DVector& rVecB )
{
double fVal(rVecA.getX() * rVecB.getY() - rVecA.getY() * rVecB.getX());
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if(fTools::equalZero(fVal))
{
return ORIENTATION_NEUTRAL;
}
if(fVal > 0.0)
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{
return ORIENTATION_POSITIVE;
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}
else
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{
return ORIENTATION_NEGATIVE;
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}
}
B2DVector getPerpendicular( const B2DVector& rNormalizedVec )
{
B2DVector aPerpendicular(-rNormalizedVec.getY(), rNormalizedVec.getX());
return aPerpendicular;
}
B2DVector getNormalizedPerpendicular( const B2DVector& rVec )
{
B2DVector aPerpendicular(rVec);
aPerpendicular.normalize();
const double aTemp(-aPerpendicular.getY());
aPerpendicular.setY(aPerpendicular.getX());
aPerpendicular.setX(aTemp);
return aPerpendicular;
}
B2DVector operator*( const B2DHomMatrix& rMat, const B2DVector& rVec )
{
B2DVector aRes( rVec );
return aRes*=rMat;
}
B2VectorContinuity getContinuity(const B2DVector& rBackVector, const B2DVector& rForwardVector )
{
if(rBackVector.equalZero() || rForwardVector.equalZero())
{
return CONTINUITY_NONE;
}
if(fTools::equal(rBackVector.getX(), -rForwardVector.getX()) && fTools::equal(rBackVector.getY(), -rForwardVector.getY()))
{
// same direction and same length -> C2
return CONTINUITY_C2;
}
if(areParallel(rBackVector, rForwardVector) && rBackVector.scalar(rForwardVector) < 0.0)
{
// parallel and opposite direction -> C1
return CONTINUITY_C1;
}
return CONTINUITY_NONE;
}
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} // end of namespace basegfx
// eof
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */