+++ /dev/null
-/////////////////////////////////////////////////////////////////////////////
-// Name: src/palmos/dc.cpp
-// Purpose: wxDC class
-// Author: William Osborne - minimal working wxPalmOS port
-// Modified by:
-// Created: 10/13/04
-// RCS-ID: $Id$
-// Copyright: (c) William Osborne
-// Licence: wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
-
-// ===========================================================================
-// declarations
-// ===========================================================================
-
-// ---------------------------------------------------------------------------
-// headers
-// ---------------------------------------------------------------------------
-
-#include <string.h>
-
-// For compilers that support precompilation, includes "wx.h".
-#include "wx/wxprec.h"
-
-#ifdef __BORLANDC__
- #pragma hdrstop
-#endif
-
-#ifndef WX_PRECOMP
- #include "wx/image.h"
- #include "wx/window.h"
- #include "wx/dc.h"
- #include "wx/utils.h"
- #include "wx/dialog.h"
- #include "wx/app.h"
- #include "wx/bitmap.h"
- #include "wx/dcmemory.h"
- #include "wx/log.h"
- #include "wx/icon.h"
- #include "wx/dcprint.h"
- #include "wx/module.h"
-#endif
-
-#include "wx/sysopt.h"
-#include "wx/dynlib.h"
-
-#include "wx/palmos/dc.h"
-
-#ifndef AC_SRC_ALPHA
- #define AC_SRC_ALPHA 1
-#endif
-
-#ifndef LAYOUT_RTL
- #define LAYOUT_RTL 1
-#endif
-
-/* Quaternary raster codes */
-#ifndef MAKEROP4
-#define MAKEROP4(fore,back) (DWORD)((((back) << 8) & 0xFF000000) | (fore))
-#endif
-
-// apparently with MicroWindows it is possible that HDC is 0 so we have to
-// check for this ourselves
-#ifdef __WXMICROWIN__
- #define WXMICROWIN_CHECK_HDC if ( !GetHDC() ) return;
- #define WXMICROWIN_CHECK_HDC_RET(x) if ( !GetHDC() ) return x;
-#else
- #define WXMICROWIN_CHECK_HDC
- #define WXMICROWIN_CHECK_HDC_RET(x)
-#endif
-
-IMPLEMENT_ABSTRACT_CLASS(wxPalmDCImpl, wxDCImpl)
-
-// ---------------------------------------------------------------------------
-// constants
-// ---------------------------------------------------------------------------
-
-// ROPs which don't have standard names (see "Ternary Raster Operations" in the
-// MSDN docs for how this and other numbers in wxDC::Blit() are obtained)
-#define DSTCOPY 0x00AA0029 // a.k.a. NOP operation
-
-// ----------------------------------------------------------------------------
-// macros for logical <-> device coords conversion
-// ----------------------------------------------------------------------------
-
-/*
- We currently let Windows do all the translations itself so these macros are
- not really needed (any more) but keep them to enhance readability of the
- code by allowing to see where are the logical and where are the device
- coordinates used.
- */
-
-#ifdef __WXWINCE__
- #define XLOG2DEV(x) ((x-m_logicalOriginX)*m_signX)
- #define YLOG2DEV(y) ((y-m_logicalOriginY)*m_signY)
- #define XDEV2LOG(x) ((x)*m_signX+m_logicalOriginX)
- #define YDEV2LOG(y) ((y)*m_signY+m_logicalOriginY)
-#else
- #define XLOG2DEV(x) (x)
- #define YLOG2DEV(y) (y)
- #define XDEV2LOG(x) (x)
- #define YDEV2LOG(y) (y)
-#endif
-
-// ---------------------------------------------------------------------------
-// private functions
-// ---------------------------------------------------------------------------
-
-// ----------------------------------------------------------------------------
-// private classes
-// ----------------------------------------------------------------------------
-
-#if wxUSE_DYNLIB_CLASS
-
-// helper class to cache dynamically loaded libraries and not attempt reloading
-// them if it fails
-class wxOnceOnlyDLLLoader
-{
-public:
- // ctor argument must be a literal string as we don't make a copy of it!
- wxOnceOnlyDLLLoader(const wxChar *dllName)
- : m_dllName(dllName)
- {
- }
-
-
- // return the symbol with the given name or NULL if the DLL not loaded
- // or symbol not present
- void *GetSymbol(const wxChar *name)
- {
- // we're prepared to handle errors here
- wxLogNull noLog;
-
- if ( m_dllName )
- {
- m_dll.Load(m_dllName);
-
- // reset the name whether we succeeded or failed so that we don't
- // try again the next time
- m_dllName = NULL;
- }
-
- return m_dll.IsLoaded() ? m_dll.GetSymbol(name) : NULL;
- }
-
- void Unload()
- {
- if ( m_dll.IsLoaded() )
- {
- m_dll.Unload();
- }
- }
-
-private:
- wxDynamicLibrary m_dll;
- const wxChar *m_dllName;
-};
-
-#endif // wxUSE_DYNLIB_CLASS
-
-// ===========================================================================
-// implementation
-// ===========================================================================
-
-// ---------------------------------------------------------------------------
-// wxPalmDCImpl
-// ---------------------------------------------------------------------------
-
-wxPalmDCImpl::wxPalmDCImpl( wxDC *owner, WXHDC hDC ) :
- wxDCImpl( owner )
-{
- Init();
- m_hDC = hDC;
-}
-
-wxPalmDCImpl::~wxPalmDCImpl()
-{
-}
-
-// This will select current objects out of the DC,
-// which is what you have to do before deleting the
-// DC.
-void wxPalmDCImpl::SelectOldObjects(WXHDC dc)
-{
-}
-
-// ---------------------------------------------------------------------------
-// clipping
-// ---------------------------------------------------------------------------
-
-void wxPalmDCImpl::UpdateClipBox()
-{
-}
-
-void
-wxPalmDCImpl::DoGetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
-{
-}
-
-void wxPalmDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
-{
-}
-
-void wxPalmDCImpl::DoSetDeviceClippingRegion(const wxRegion& region)
-{
-}
-
-void wxPalmDCImpl::DestroyClippingRegion()
-{
-}
-
-// ---------------------------------------------------------------------------
-// query capabilities
-// ---------------------------------------------------------------------------
-
-bool wxPalmDCImpl::CanDrawBitmap() const
-{
- return false;
-}
-
-bool wxPalmDCImpl::CanGetTextExtent() const
-{
- return false;
-}
-
-int wxPalmDCImpl::GetDepth() const
-{
- return 0;
-}
-
-// ---------------------------------------------------------------------------
-// drawing
-// ---------------------------------------------------------------------------
-
-void wxPalmDCImpl::Clear()
-{
-}
-
-bool wxPalmDCImpl::DoFloodFill(wxCoord WXUNUSED_IN_WINCE(x),
- wxCoord WXUNUSED_IN_WINCE(y),
- const wxColour& WXUNUSED_IN_WINCE(col),
- wxFloodFillStyle WXUNUSED_IN_WINCE(style))
-{
- return false;
-}
-
-bool wxPalmDCImpl::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
-{
- return false;
-}
-
-void wxPalmDCImpl::DoCrossHair(wxCoord x, wxCoord y)
-{
-}
-
-void wxPalmDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
-{
-}
-
-// Draws an arc of a circle, centred on (xc, yc), with starting point (x1, y1)
-// and ending at (x2, y2)
-void wxPalmDCImpl::DoDrawArc(wxCoord x1, wxCoord y1,
- wxCoord x2, wxCoord y2,
- wxCoord xc, wxCoord yc)
-{
-}
-
-void wxPalmDCImpl::DoDrawCheckMark(wxCoord x1, wxCoord y1,
- wxCoord width, wxCoord height)
-{
-}
-
-void wxPalmDCImpl::DoDrawPoint(wxCoord x, wxCoord y)
-{
-}
-
-void wxPalmDCImpl::DoDrawPolygon(int n,
- wxPoint points[],
- wxCoord xoffset,
- wxCoord yoffset,
- wxPolygonFillMode WXUNUSED_IN_WINCE(fillStyle))
-{
-}
-
-void
-wxPalmDCImpl::DoDrawPolyPolygon(int n,
- int count[],
- wxPoint points[],
- wxCoord xoffset,
- wxCoord yoffset,
- wxPolygonFillMode fillStyle)
-{
-}
-
-void wxPalmDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
-{
-}
-
-void wxPalmDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
-{
-}
-
-void wxPalmDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
-{
-}
-
-void wxPalmDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
-{
-}
-
-#if wxUSE_SPLINES
-void wxPalmDCImpl::DoDrawSpline(const wxPointList *points)
-{
-}
-#endif
-
-// Chris Breeze 20/5/98: first implementation of DrawEllipticArc on Windows
-void wxPalmDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
-{
-}
-
-void wxPalmDCImpl::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
-{
-}
-
-void wxPalmDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
-{
-}
-
-void wxPalmDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
-{
-}
-
-void wxPalmDCImpl::DrawAnyText(const wxString& text, wxCoord x, wxCoord y)
-{
-}
-
-void wxPalmDCImpl::DoDrawRotatedText(const wxString& text,
- wxCoord x, wxCoord y,
- double angle)
-{
-}
-
-// ---------------------------------------------------------------------------
-// set GDI objects
-// ---------------------------------------------------------------------------
-
-#if wxUSE_PALETTE
-
-void wxPalmDCImpl::DoSelectPalette(bool realize)
-{
-}
-
-void wxPalmDCImpl::SetPalette(const wxPalette& palette)
-{
-}
-
-void wxPalmDCImpl::InitializePalette()
-{
-}
-
-#endif // wxUSE_PALETTE
-
-// SetFont/Pen/Brush() really ask to be implemented as a single template
-// function... but doing it is not worth breaking OpenWatcom build <sigh>
-
-void wxPalmDCImpl::SetFont(const wxFont& font)
-{
-}
-
-void wxPalmDCImpl::SetPen(const wxPen& pen)
-{
-}
-
-void wxPalmDCImpl::SetBrush(const wxBrush& brush)
-{
-}
-
-void wxPalmDCImpl::SetBackground(const wxBrush& brush)
-{
-}
-
-void wxPalmDCImpl::SetBackgroundMode(int mode)
-{
-}
-
-void wxPalmDCImpl::SetLogicalFunction(wxRasterOperationMode function)
-{
-}
-
-void wxPalmDCImpl::SetRop(WXHDC dc)
-{
-}
-
-bool wxPalmDCImpl::StartDoc(const wxString& WXUNUSED(message))
-{
- // We might be previewing, so return true to let it continue.
- return true;
-}
-
-void wxPalmDCImpl::EndDoc()
-{
-}
-
-void wxPalmDCImpl::StartPage()
-{
-}
-
-void wxPalmDCImpl::EndPage()
-{
-}
-
-// ---------------------------------------------------------------------------
-// text metrics
-// ---------------------------------------------------------------------------
-
-wxCoord wxPalmDCImpl::GetCharHeight() const
-{
- return 0;
-}
-
-wxCoord wxPalmDCImpl::GetCharWidth() const
-{
- return 0;
-}
-
-void wxPalmDCImpl::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
- wxCoord *descent, wxCoord *externalLeading,
- const wxFont *font) const
-{
-}
-
-
-// Each element of the array will be the width of the string up to and
-// including the coresoponding character in text.
-
-bool wxPalmDCImpl::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
-{
- return false;
-}
-
-void wxPalmDCImpl::RealizeScaleAndOrigin()
-{
-}
-
-void wxPalmDCImpl::SetMapMode(wxMappingMode mode)
-{
-}
-
-void wxPalmDCImpl::SetUserScale(double x, double y)
-{
-}
-
-void wxPalmDCImpl::SetAxisOrientation(bool xLeftRight,
- bool yBottomUp)
-{
-}
-
-void wxPalmDCImpl::SetLogicalOrigin(wxCoord x, wxCoord y)
-{
-}
-
-void wxPalmDCImpl::SetDeviceOrigin(wxCoord x, wxCoord y)
-{
-}
-
-// ---------------------------------------------------------------------------
-// bit blit
-// ---------------------------------------------------------------------------
-
-bool wxPalmDCImpl::DoBlit(wxCoord dstX, wxCoord dstY,
- wxCoord dstWidth, wxCoord dstHeight,
- wxDC *source,
- wxCoord srcX, wxCoord srcY,
- wxRasterOperationMode rop, bool useMask,
- wxCoord srcMaskX, wxCoord srcMaskY)
-{
- return false;
-}
-
-bool wxPalmDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest,
- wxCoord dstWidth, wxCoord dstHeight,
- wxDC *source,
- wxCoord xsrc, wxCoord ysrc,
- wxCoord srcWidth, wxCoord srcHeight,
- wxRasterOperationMode rop, bool useMask,
- wxCoord xsrcMask, wxCoord ysrcMask)
-{
- return false;
-}
-
-void wxPalmDCImpl::GetDeviceSize(int *width, int *height) const
-{
-}
-
-void wxPalmDCImpl::DoGetSizeMM(int *w, int *h) const
-{
-}
-
-wxSize wxPalmDCImpl::GetPPI() const
-{
- return wxSize(0, 0);
-}
-
-// For use by wxWidgets only, unless custom units are required.
-void wxPalmDCImpl::SetLogicalScale(double x, double y)
-{
-}
-
-// ----------------------------------------------------------------------------
-// DC caching
-// ----------------------------------------------------------------------------
-
-#if wxUSE_DC_CACHEING
-
-/*
- * This implementation is a bit ugly and uses the old-fashioned wxList class, so I will
- * improve it in due course, either using arrays, or simply storing pointers to one
- * entry for the bitmap, and two for the DCs. -- JACS
- */
-
-wxObjectList wxPalmDCImpl::sm_bitmapCache;
-wxObjectList wxPalmDCImpl::sm_dcCache;
-
-wxDCCacheEntry::wxDCCacheEntry(WXHBITMAP hBitmap, int w, int h, int depth)
-{
- m_bitmap = hBitmap;
- m_dc = 0;
- m_width = w;
- m_height = h;
- m_depth = depth;
-}
-
-wxDCCacheEntry::wxDCCacheEntry(WXHDC hDC, int depth)
-{
-}
-
-wxDCCacheEntry::~wxDCCacheEntry()
-{
-}
-
-wxDCCacheEntry* wxPalmDCImpl::FindBitmapInCache(WXHDC dc, int w, int h)
-{
- return NULL;
-}
-
-wxDCCacheEntry* wxPalmDCImpl::FindDCInCache(wxDCCacheEntry* notThis, WXHDC dc)
-{
- return NULL;
-}
-
-void wxPalmDCImpl::AddToBitmapCache(wxDCCacheEntry* entry)
-{
-}
-
-void wxPalmDCImpl::AddToDCCache(wxDCCacheEntry* entry)
-{
-}
-
-void wxPalmDCImpl::ClearCache()
-{
-}
-
-// Clean up cache at app exit
-class wxDCModule : public wxModule
-{
-public:
- virtual bool OnInit() { return true; }
- virtual void OnExit() { wxPalmDCImpl::ClearCache(); }
-
-private:
- DECLARE_DYNAMIC_CLASS(wxDCModule)
-};
-
-IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)
-
-#endif // wxUSE_DC_CACHEING
-
-void wxPalmDCImpl::DoGradientFillLinear (const wxRect& rect,
- const wxColour& initialColour,
- const wxColour& destColour,
- wxDirection nDirection)
-{
-}
-
-#if wxUSE_DYNLIB_CLASS
-
-wxLayoutDirection wxPalmDCImpl::GetLayoutDirection() const
-{
- DWORD layout = wxGetDCLayout(GetHdc());
-
- if ( layout == (DWORD)-1 )
- return wxLayout_Default;
-
- return layout & LAYOUT_RTL ? wxLayout_RightToLeft : wxLayout_LeftToRight;
-}
-
-void wxPalmDCImpl::SetLayoutDirection(wxLayoutDirection dir)
-{
-}
-
-#else // !wxUSE_DYNLIB_CLASS
-
-// we can't provide RTL support without dynamic loading, so stub it out
-wxLayoutDirection wxPalmDCImpl::GetLayoutDirection() const
-{
- return wxLayout_Default;
-}
-
-void wxPalmDCImpl::SetLayoutDirection(wxLayoutDirection WXUNUSED(dir))
-{
-}
-
-#endif // wxUSE_DYNLIB_CLASS/!wxUSE_DYNLIB_CLASS
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