X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0e320a79f187558effb04d92020b470372bbe456..404b319a85dadd7decf7a5a5331020520031a41c:/src/os2/region.cpp diff --git a/src/os2/region.cpp b/src/os2/region.cpp index c71d4c605a..90c7306c8d 100644 --- a/src/os2/region.cpp +++ b/src/os2/region.cpp @@ -1,24 +1,29 @@ ///////////////////////////////////////////////////////////////////////////// -// File: region.cpp +// File: src/os2/region.cpp // Purpose: Region class -// Author: Markus Holzem/Julian Smart/AUTHOR -// Created: Fri Oct 24 10:46:34 MET 1997 -// RCS-ID: $Id$ -// Copyright: (c) 1997 Markus Holzem/Julian Smart/AUTHOR +// Author: David Webster +// Modified by: +// Created: 10/15/99 +// RCS-ID: $Id$ +// Copyright: (c) David Webster // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "region.h" +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifndef WX_PRECOMP + #include "wx/app.h" + #include "wx/window.h" + #include "wx/gdicmn.h" #endif -#include "wx/region.h" -#include "wx/gdicmn.h" +#include "wx/os2/region.h" -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject) - IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject) -#endif +#include "wx/os2/private.h" + +IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject) +IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject) //----------------------------------------------------------------------------- // wxRegionRefData implementation @@ -26,338 +31,629 @@ class WXDLLEXPORT wxRegionRefData : public wxGDIRefData { public: - wxRegionRefData() - { - } - - wxRegionRefData(const wxRegionRefData& data) - { - // TODO - } - - ~wxRegionRefData() - { - // TODO - } + wxRegionRefData() + { + m_hRegion = 0; + m_hPS = 0; + } + + wxRegionRefData(const wxRegionRefData& rData) + { + RGNRECT vRgnData; + PRECTL pRect = NULL; + + vRgnData.ulDirection = RECTDIR_LFRT_TOPBOT; + if (::GpiQueryRegionRects( rData.m_hPS // Pres space + ,rData.m_hRegion // Handle of region to query + ,NULL // Return all RECTs + ,&vRgnData // Will contain number or RECTs in region + ,NULL // NULL to return number of RECTs + )) + { + pRect = new RECTL[vRgnData.crcReturned]; + vRgnData.crc = vRgnData.crcReturned; + vRgnData.ircStart = 1; + if (::GpiQueryRegionRects( rData.m_hPS // Pres space of source + ,rData.m_hRegion // Handle of source region + ,NULL // Return all RECTs + ,&vRgnData // Operations set to return rects + ,pRect // Will contain the actual RECTS + )) + { + m_hRegion = ::GpiCreateRegion( rData.m_hPS + ,vRgnData.crcReturned + ,pRect + ); + m_hPS = rData.m_hPS; + } + delete [] pRect; + } + } + + virtual ~wxRegionRefData() + { + ::GpiDestroyRegion(m_hPS, m_hRegion); + } + + HRGN m_hRegion; + HPS m_hPS; }; +#define M_REGION (((wxRegionRefData*)m_refData)->m_hRegion) +#define M_REGION_OF(rgn) (((wxRegionRefData*)(rgn.m_refData))->m_hRegion) //----------------------------------------------------------------------------- // wxRegion //----------------------------------------------------------------------------- +// General remark: +// wxRegion is always basically stored in wx coordinates. However, since +// OS/2's internal functions rely on "top > bottom", the values of top and +// bottom values of a region need to be interchanged, as compared to wx. +// This needs to be taken into account when feeding any rectangle to wx _or_ +// when accessing the region data via GetBox, wxRegionIterator or otherwise. + /*! * Create an empty region. */ wxRegion::wxRegion() { m_refData = new wxRegionRefData; - // TODO create empty region -} +} // end of wxRegion::wxRegion -wxRegion::wxRegion(long x, long y, long w, long h) +wxRegion::wxRegion( + WXHRGN hRegion, + WXHDC hPS +) { m_refData = new wxRegionRefData; - // TODO create rect region + M_REGION = (HRGN) hRegion; + (((wxRegionRefData*)m_refData)->m_hPS) = hPS; +} // end of wxRegion::wxRegion + +wxRegion::wxRegion( + wxCoord x +, wxCoord y +, wxCoord vWidth +, wxCoord vHeight +) +{ + RECTL vRect; + SIZEL vSize = {0, 0}; + DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; + HDC hDC = ::DevOpenDC( vHabmain + ,OD_MEMORY + ,"*" + ,5L + ,(PDEVOPENDATA)&vDop + ,NULLHANDLE + ); + + + vRect.xLeft = x; + vRect.xRight = x + vWidth; + vRect.yBottom = y; + vRect.yTop = y + vHeight; + + m_refData = new wxRegionRefData; + + // + // Need a PS to create a Region + // + ((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain + ,hDC + ,&vSize + ,PU_PELS | GPIT_MICRO | GPIA_ASSOC + ); + M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS + ,1 + ,&vRect + ); +} // end of wxRegion::wxRegion + +wxRegion::wxRegion(const wxPoint& rTopLeft, + const wxPoint& rBottomRight) +{ + RECTL vRect; + SIZEL vSize = {0, 0}; + DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; + HDC hDC = ::DevOpenDC( vHabmain + ,OD_MEMORY + ,"*" + ,5L + ,(PDEVOPENDATA)&vDop + ,NULLHANDLE + ); + + vRect.xLeft = rTopLeft.x; + vRect.xRight = rBottomRight.x; + vRect.yBottom = rTopLeft.y; + vRect.yTop = rBottomRight.y; + + m_refData = new wxRegionRefData; + + // + // Need a PS to create a Region + // + ((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain + ,hDC + ,&vSize + ,PU_PELS | GPIT_MICRO | GPIA_ASSOC + ); + M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS + ,1 + ,&vRect + ); +} // end of wxRegion::wxRegion + +wxRegion::wxRegion(const wxRect& rRect) +{ + RECTL vRect; + SIZEL vSize = {0, 0}; + DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; + HDC hDC = ::DevOpenDC( vHabmain + ,OD_MEMORY + ,"*" + ,5L + ,(PDEVOPENDATA)&vDop + ,NULLHANDLE + ); + + + vRect.xLeft = rRect.x; + vRect.xRight = rRect.x + rRect.width; + vRect.yBottom = rRect.y; + vRect.yTop = rRect.y + rRect.height; + + m_refData = new wxRegionRefData; + + // + // Need a PS to create a Region + // + ((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain + ,hDC + ,&vSize + ,PU_PELS | GPIT_MICRO | GPIA_ASSOC + ); + M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS + ,1 + ,&vRect + ); +} // end of wxRegion::wxRegion + +wxRegion::wxRegion(size_t n, const wxPoint *points, wxPolygonFillMode WXUNUSED(fillStyle)) +{ + // TO DO } -wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight) +// +// Destroy the region. +// +wxRegion::~wxRegion() { - m_refData = new wxRegionRefData; - // TODO create rect region -} +} // end of wxRegion::~wxRegion -wxRegion::wxRegion(const wxRect& rect) +wxGDIRefData *wxRegion::CreateGDIRefData() const { - m_refData = new wxRegionRefData; - // TODO create rect region + return new wxRegionRefData; } -/*! - * Destroy the region. - */ -wxRegion::~wxRegion() +wxGDIRefData *wxRegion::CloneGDIRefData(const wxGDIRefData *data) const { - // m_refData unrefed in ~wxObject + return new wxRegionRefData(*(wxRegionRefData *)data); } //----------------------------------------------------------------------------- //# Modify region //----------------------------------------------------------------------------- -//! Clear current region -void wxRegion::Clear() -{ - UnRef(); -} - -//! Combine rectangle (x, y, w, h) with this. -bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op) +bool wxRegion::DoOffset( wxCoord x, wxCoord y ) { - // Don't change shared data - if (!m_refData) { - m_refData = new wxRegionRefData(); - } else if (m_refData->GetRefCount() > 1) { - wxRegionRefData* ref = (wxRegionRefData*)m_refData; - UnRef(); - m_refData = new wxRegionRefData(*ref); - } - // If ref count is 1, that means it's 'ours' anyway so no action. - - // TODO create rect region - - int mode = 0; // TODO platform-specific code - switch (op) + if ( !x && !y ) { - case wxRGN_AND: - // TODO - break ; - case wxRGN_OR: - // TODO - break ; - case wxRGN_XOR: - // TODO - break ; - case wxRGN_DIFF: - // TODO - break ; - case wxRGN_COPY: - default: - // TODO - break ; + // nothing to do + return true; } - // TODO do combine region + AllocExclusive(); - return FALSE; +#if 0 + if ( ::OffsetRgn(GetHrgn(), x, y) == ERROR ) + { + wxLogLastError(wxT("OffsetRgn")); + + return false; + } +#endif + return true; } -//! Union /e region with this. -bool wxRegion::Combine(const wxRegion& region, wxRegionOp op) +// +// Clear current region +// +void wxRegion::Clear() +{ + UnRef(); +} // end of wxRegion::Clear + +// +// Union region with this. +// +bool wxRegion::DoCombine( const wxRegion& rRegion, wxRegionOp eOp ) { - if (region.Empty()) - return FALSE; - - // Don't change shared data - if (!m_refData) { - m_refData = new wxRegionRefData(); - } else if (m_refData->GetRefCount() > 1) { - wxRegionRefData* ref = (wxRegionRefData*)m_refData; - UnRef(); - m_refData = new wxRegionRefData(*ref); - } - - int mode = 0; // TODO platform-specific code - switch (op) + // + // We can't use the API functions if we don't have a valid region handle + // + if (!m_refData) { - case wxRGN_AND: - // TODO - break ; - case wxRGN_OR: - // TODO - break ; - case wxRGN_XOR: - // TODO - break ; - case wxRGN_DIFF: - // TODO - break ; - case wxRGN_COPY: - default: - // TODO - break ; + // combining with an empty/invalid region works differently depending + // on the operation + switch (eOp) + { + case wxRGN_COPY: + case wxRGN_OR: + case wxRGN_XOR: + *this = rRegion; + break; + + default: + wxFAIL_MSG( wxT("unknown region operation") ); + // fall through + + case wxRGN_AND: + case wxRGN_DIFF: + // leave empty/invalid + return false; + } } + else // we have a valid region + { - // TODO combine region - - return FALSE; -} - -bool wxRegion::Combine(const wxRect& rect, wxRegionOp op) -{ - return Combine(rect.GetLeft(), rect.GetTop(), rect.GetWidth(), rect.GetHeight(), op); -} + LONG lMode = 0; + + switch (eOp) + { + case wxRGN_AND: + lMode = CRGN_AND; + break; + + case wxRGN_OR: + lMode = CRGN_OR; + break; + + case wxRGN_XOR: + lMode = CRGN_XOR; + break; + + case wxRGN_DIFF: + lMode = CRGN_DIFF; + break; + + case wxRGN_COPY: + default: + lMode = CRGN_COPY; + break; + } + return (::GpiCombineRegion( ((wxRegionRefData*)rRegion.m_refData)->m_hPS + ,M_REGION + ,M_REGION + ,((wxRegionRefData*)rRegion.m_refData)->m_hRegion + ,lMode + ) != RGN_ERROR); + } + return true; +} // end of wxRegion::Combine //----------------------------------------------------------------------------- //# Information on region //----------------------------------------------------------------------------- -// Outer bounds of region -void wxRegion::GetBox(long& x, long& y, long&w, long &h) const +bool wxRegion::DoIsEqual(const wxRegion& WXUNUSED(region)) const { - if (m_refData) { - // TODO get box - } else { - x = y = w = h = 0; - } + return false; } -wxRect wxRegion::GetBox() const +// +// Outer bounds of region +// +bool wxRegion::DoGetBox( + wxCoord& x +, wxCoord& y +, wxCoord& vWidth +, wxCoord& vHeight +) const { - long x, y, w, h; - GetBox(x, y, w, h); - return wxRect(x, y, w, h); -} + if (m_refData) + { + RECTL vRect; + APIRET rc; + + rc = ::GpiQueryRegionBox( ((wxRegionRefData*)m_refData)->m_hPS + ,M_REGION + ,&vRect + ); + x = vRect.xLeft; + y = vRect.yBottom; + vWidth = vRect.xRight - vRect.xLeft; + vHeight = vRect.yTop - vRect.yBottom; + return true; + } + else + { + x = y = vWidth = vHeight = 0L; + return false; + } +} // end of wxRegion::GetBox +// // Is region empty? -bool wxRegion::Empty() const +// +bool wxRegion::IsEmpty() const { - // TODO - return FALSE; -} + wxCoord x; + wxCoord y; + wxCoord vWidth; + wxCoord vHeight; + + if (M_REGION == 0) + return true; + + GetBox( x + ,y + ,vWidth + ,vHeight + ); + return ((vWidth == 0) && (vHeight == 0)); +} // end of wxRegion::IsEmpty //----------------------------------------------------------------------------- -//# Tests +// Tests //----------------------------------------------------------------------------- - -// Does the region contain the point (x,y)? -wxRegionContain wxRegion::Contains(long x, long y) const -{ - if (!m_refData) - return wxOutRegion; - - // TODO. Return wxInRegion if within region. - if (0) - return wxInRegion; - return wxOutRegion; -} - +// // Does the region contain the point pt? -wxRegionContain wxRegion::Contains(const wxPoint& pt) const +// +wxRegionContain wxRegion::DoContainsPoint( wxCoord x, wxCoord y ) const { - if (!m_refData) - return wxOutRegion; + POINTL vPoint = { x, y }; + + if (!m_refData) + return wxOutRegion; - // TODO. Return wxInRegion if within region. - if (0) + LONG lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS, + M_REGION, + &vPoint + ); + if (lInside == PRGN_INSIDE) return wxInRegion; else return wxOutRegion; -} +} // end of wxRegion::Contains +// // Does the region contain the rectangle (x, y, w, h)? -wxRegionContain wxRegion::Contains(long x, long y, long w, long h) const +// +wxRegionContain wxRegion::DoContainsRect(const wxRect& rect) const { - if (!m_refData) - return wxOutRegion; - - // TODO. Return wxInRegion if within region. - if (0) - return wxInRegion; - else + if (!m_refData) return wxOutRegion; -} -// Does the region contain the rectangle rect -wxRegionContain wxRegion::Contains(const wxRect& rect) const + RECTL vRect; + vRect.xLeft = rect.x; + vRect.xRight = rect.x + rect.width; + vRect.yTop = rect.y + rect.height; + vRect.yBottom = rect.y; + + LONG lInside = ::GpiRectInRegion( ((wxRegionRefData*)m_refData)->m_hPS, + M_REGION, + &vRect + ); + switch (lInside) + { + case RRGN_INSIDE : return wxInRegion; + case RRGN_PARTIAL : return wxPartRegion; + case RRGN_ERROR : + default : return wxOutRegion; + } + +} // end of wxRegion::Contains + +// +// Get internal region handle +// +WXHRGN wxRegion::GetHRGN() const { - if (!m_refData) - return wxOutRegion; - - long x, y, w, h; - x = rect.x; - y = rect.y; - w = rect.GetWidth(); - h = rect.GetHeight(); - return Contains(x, y, w, h); + if (!m_refData) + return (WXHRGN) 0; + return (WXHRGN) M_REGION; } +// +// Set a new PS, this means we have to recreate the old region in the new +// PS +// +void wxRegion::SetPS( + HPS hPS +) +{ + RGNRECT vRgnData; + PRECTL pRect = NULL; + + vRgnData.ulDirection = RECTDIR_LFRT_TOPBOT; + if (::GpiQueryRegionRects( ((wxRegionRefData*)m_refData)->m_hPS + ,((wxRegionRefData*)m_refData)->m_hRegion + ,NULL + ,&vRgnData + ,NULL + )) + { + pRect = new RECTL[vRgnData.crcReturned]; + vRgnData.crc = vRgnData.crcReturned; + vRgnData.ircStart = 1; + if (::GpiQueryRegionRects( ((wxRegionRefData*)m_refData)->m_hPS + ,((wxRegionRefData*)m_refData)->m_hRegion + ,NULL + ,&vRgnData + ,pRect + )) + { + // + // First destroy the region out of the old PS + // and then create it in the new and set the new to current + // + ::GpiDestroyRegion( ((wxRegionRefData*)m_refData)->m_hPS + ,M_REGION + ); + ((wxRegionRefData*)m_refData)->m_hRegion = ::GpiCreateRegion( hPS + ,vRgnData.crcReturned + ,pRect + ); + ((wxRegionRefData*)m_refData)->m_hPS = hPS; + } + delete [] pRect; + } +} // end of wxRegion::SetPS + /////////////////////////////////////////////////////////////////////////////// -// // -// wxRegionIterator // -// // +// // +// wxRegionIterator // +// // /////////////////////////////////////////////////////////////////////////////// -/*! - * Initialize empty iterator - */ -wxRegionIterator::wxRegionIterator() : m_current(0), m_numRects(0), m_rects(NULL) +// +// Initialize empty iterator +// +wxRegionIterator::wxRegionIterator() +: m_lCurrent(0) +, m_lNumRects(0) +, m_pRects(NULL) { -} +} // end of wxRegionIterator::wxRegionIterator wxRegionIterator::~wxRegionIterator() { - if (m_rects) - delete[] m_rects; -} - -/*! - * Initialize iterator for region - */ -wxRegionIterator::wxRegionIterator(const wxRegion& region) + if (m_pRects) + delete[] m_pRects; +} // end of wxRegionIterator::~wxRegionIterator + +// +// Initialize iterator for region +// +wxRegionIterator::wxRegionIterator( + const wxRegion& rRegion +) { - m_rects = NULL; - - Reset(region); -} - -/*! - * Reset iterator for a new /e region. - */ -void wxRegionIterator::Reset(const wxRegion& region) + m_pRects = NULL; + Reset(rRegion); +} // end of wxRegionIterator::wxRegionIterator + +// +// Reset iterator for a new /e region. +// +void wxRegionIterator::Reset( + const wxRegion& rRegion +) { - m_current = 0; - m_region = region; + m_lCurrent = 0; + m_lNumRects = 0; + m_vRegion = rRegion; - if (m_rects) - delete[] m_rects; + if (m_pRects) + delete[] m_pRects; - m_rects = NULL; + m_pRects = NULL; - if (m_region.Empty()) - m_numRects = 0; - else + if (m_vRegion.Empty()) + m_lNumRects = 0; + else { - // TODO create m_rects and fill with rectangles for this region - m_numRects = 0; + RGNRECT vRgnData; + PRECTL pRect; + + vRgnData.ulDirection = RECTDIR_LFRT_TOPBOT; + if (::GpiQueryRegionRects( ((wxRegionRefData*)rRegion.m_refData)->m_hPS // Pres space + ,((wxRegionRefData*)rRegion.m_refData)->m_hRegion // Handle of region to query + ,NULL // Return all RECTs + ,&vRgnData // Will contain number or RECTs in region + ,NULL // NULL to return number of RECTs + )) + { + pRect = new RECTL[vRgnData.crcReturned]; + m_pRects = new wxRect[vRgnData.crcReturned]; + vRgnData.crc = vRgnData.crcReturned; + m_lNumRects = vRgnData.crcReturned; + vRgnData.ircStart = 1; + if (::GpiQueryRegionRects( ((wxRegionRefData*)rRegion.m_refData)->m_hPS // Pres space of source + ,((wxRegionRefData*)rRegion.m_refData)->m_hRegion // Handle of source region + ,NULL // Return all RECTs + ,&vRgnData // Operations set to return rects + ,pRect // Will contain the actual RECTS + )) + { +#if 0 + M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)rRegion.m_refData)->m_hPS + ,vRgnData.crcReturned + ,pRect + ); +#endif + for( LONG i = 0; i < m_lNumRects; i++) + { + m_pRects[i].x = pRect[i].xLeft; + m_pRects[i].width = pRect[i].xRight - pRect[i].xLeft; + m_pRects[i].y = pRect[i].yBottom; + m_pRects[i].height = pRect[i].yTop - pRect[i].yBottom; + } +#if 0 + ((wxRegionRefData*)m_refData)->m_hPS = ((wxRegionRefData*)rRegion.m_refData)->m_hPS; +#endif + } + } } -} +} // end of wxRegionIterator::Reset -/*! - * Increment iterator. The rectangle returned is the one after the - * incrementation. - */ -void wxRegionIterator::operator ++ () +// +// Increment iterator. The rectangle returned is the one after the +// incrementation. +// +void wxRegionIterator::operator++ () { - if (m_current < m_numRects) - ++m_current; -} - -/*! - * Increment iterator. The rectangle returned is the one before the - * incrementation. - */ -void wxRegionIterator::operator ++ (int) + if (m_lCurrent < m_lNumRects) + ++m_lCurrent; +} // end of wxRegionIterator::operator ++ + +// +// Increment iterator. The rectangle returned is the one before the +// incrementation. +// +void wxRegionIterator::operator++ (int) { - if (m_current < m_numRects) - ++m_current; -} + if (m_lCurrent < m_lNumRects) + ++m_lCurrent; +} // end of wxRegionIterator::operator++ -long wxRegionIterator::GetX() const +wxCoord wxRegionIterator::GetX() const { - if (m_current < m_numRects) - return m_rects[m_current].x; - return 0; -} + if (m_lCurrent < m_lNumRects) + return m_pRects[m_lCurrent].x; + return 0L; +} // end of wxRegionIterator::GetX -long wxRegionIterator::GetY() const +wxCoord wxRegionIterator::GetY() const { - if (m_current < m_numRects) - return m_rects[m_current].y; - return 0; -} + if (m_lCurrent < m_lNumRects) + return m_pRects[m_lCurrent].y; + return 0L; +} // end of wxRegionIterator::GetY -long wxRegionIterator::GetW() const +wxCoord wxRegionIterator::GetW() const { - if (m_current < m_numRects) - return m_rects[m_current].width ; - return 0; -} + if (m_lCurrent < m_lNumRects) + return m_pRects[m_lCurrent].width ; + return 0L; +} // end of wxRegionIterator::GetW -long wxRegionIterator::GetH() const +wxCoord wxRegionIterator::GetH() const { - if (m_current < m_numRects) - return m_rects[m_current].height; - return 0; -} - + if (m_lCurrent < m_lNumRects) + return m_pRects[m_lCurrent].height; + return 0L; +} // end of wxRegionIterator::GetH