X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e0d314713977c17937a63a2de34f835ce239aa51..8946ede10c2702c7acbb194fe8bd2793d7fb8358:/src/palmos/dc.cpp diff --git a/src/palmos/dc.cpp b/src/palmos/dc.cpp index 6ac50f1822..4a417aa61f 100644 --- a/src/palmos/dc.cpp +++ b/src/palmos/dc.cpp @@ -1,10 +1,10 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dc.cpp +// Name: src/palmos/dc.cpp // Purpose: wxDC class -// Author: William Osborne +// Author: William Osborne - minimal working wxPalmOS port // Modified by: // Created: 10/13/04 -// RCS-ID: $Id: +// RCS-ID: $Id$ // Copyright: (c) William Osborne // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -17,9 +17,7 @@ // headers // --------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "dc.h" -#endif +#include // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -29,6 +27,7 @@ #endif #ifndef WX_PRECOMP + #include "wx/image.h" #include "wx/window.h" #include "wx/dc.h" #include "wx/utils.h" @@ -38,21 +37,21 @@ #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/dcprint.h" -#include "wx/module.h" -#include "wx/dynload.h" - -#ifdef wxHAVE_RAW_BITMAP -#include "wx/rawbmp.h" -#endif +#include "wx/dynlib.h" -#include +#include "wx/palmos/dc.h" #ifndef AC_SRC_ALPHA -#define AC_SRC_ALPHA 1 + #define AC_SRC_ALPHA 1 +#endif + +#ifndef LAYOUT_RTL + #define LAYOUT_RTL 1 #endif /* Quaternary raster codes */ @@ -60,18 +59,48 @@ #define MAKEROP4(fore,back) (DWORD)((((back) << 8) & 0xFF000000) | (fore)) #endif -IMPLEMENT_ABSTRACT_CLASS(wxDC, wxDCBase) +// 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 // --------------------------------------------------------------------------- -static const int VIEWPORT_EXTENT = 1000; +// 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 -static const int MM_POINTS = 9; -static const int MM_METRIC = 10; +// ---------------------------------------------------------------------------- +// macros for logical <-> device coords conversion +// ---------------------------------------------------------------------------- -#define DSTCOPY 0x00AA0029 +/* + 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 @@ -81,27 +110,77 @@ static const int MM_METRIC = 10; // 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 // =========================================================================== // --------------------------------------------------------------------------- -// wxDC +// wxPalmDCImpl // --------------------------------------------------------------------------- -// Default constructor -wxDC::wxDC() +wxPalmDCImpl::wxPalmDCImpl( wxDC *owner, WXHDC hDC ) : + wxDCImpl( owner ) { + Init(); + m_hDC = hDC; } -wxDC::~wxDC() +wxPalmDCImpl::~wxPalmDCImpl() { } // This will select current objects out of the DC, // which is what you have to do before deleting the // DC. -void wxDC::SelectOldObjects(WXHDC dc) +void wxPalmDCImpl::SelectOldObjects(WXHDC dc) { } @@ -109,29 +188,24 @@ void wxDC::SelectOldObjects(WXHDC dc) // clipping // --------------------------------------------------------------------------- -void wxDC::UpdateClipBox() +void wxPalmDCImpl::UpdateClipBox() { } void -wxDC::DoGetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const -{ -} - -// common part of DoSetClippingRegion() and DoSetClippingRegionAsRegion() -void wxDC::SetClippingHrgn(WXHRGN hrgn) +wxPalmDCImpl::DoGetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const { } -void wxDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h) +void wxPalmDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h) { } -void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region) +void wxPalmDCImpl::DoSetDeviceClippingRegion(const wxRegion& region) { } -void wxDC::DestroyClippingRegion() +void wxPalmDCImpl::DestroyClippingRegion() { } @@ -139,17 +213,17 @@ void wxDC::DestroyClippingRegion() // query capabilities // --------------------------------------------------------------------------- -bool wxDC::CanDrawBitmap() const +bool wxPalmDCImpl::CanDrawBitmap() const { return false; } -bool wxDC::CanGetTextExtent() const +bool wxPalmDCImpl::CanGetTextExtent() const { return false; } -int wxDC::GetDepth() const +int wxPalmDCImpl::GetDepth() const { return 0; } @@ -158,96 +232,110 @@ int wxDC::GetDepth() const // drawing // --------------------------------------------------------------------------- -void wxDC::Clear() +void wxPalmDCImpl::Clear() { } -bool wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style) +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 wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const +bool wxPalmDCImpl::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const { return false; } -void wxDC::DoCrossHair(wxCoord x, wxCoord y) +void wxPalmDCImpl::DoCrossHair(wxCoord x, wxCoord y) { } -void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) +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 wxDC::DoDrawArc(wxCoord x1, wxCoord y1, +void wxPalmDCImpl::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc) { } -void wxDC::DoDrawCheckMark(wxCoord x1, wxCoord y1, +void wxPalmDCImpl::DoDrawCheckMark(wxCoord x1, wxCoord y1, wxCoord width, wxCoord height) { } -void wxDC::DoDrawPoint(wxCoord x, wxCoord y) +void wxPalmDCImpl::DoDrawPoint(wxCoord x, wxCoord y) { } -void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle) +void wxPalmDCImpl::DoDrawPolygon(int n, + wxPoint points[], + wxCoord xoffset, + wxCoord yoffset, + wxPolygonFillMode WXUNUSED_IN_WINCE(fillStyle)) { } void -wxDC::DoDrawPolyPolygon(int n, +wxPalmDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, - int fillStyle) + wxPolygonFillMode fillStyle) +{ +} + +void wxPalmDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset) { } -void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset) +void wxPalmDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { } -void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) +void wxPalmDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius) { } -void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius) +void wxPalmDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { } -void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) +#if wxUSE_SPLINES +void wxPalmDCImpl::DoDrawSpline(const wxPointList *points) { } +#endif -void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea) +// 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 wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) +void wxPalmDCImpl::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) { } -void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask ) +void wxPalmDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask ) { } -void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y) +void wxPalmDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y) { } -void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y) +void wxPalmDCImpl::DrawAnyText(const wxString& text, wxCoord x, wxCoord y) { } -void wxDC::DoDrawRotatedText(const wxString& text, +void wxPalmDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle) { @@ -259,62 +347,66 @@ void wxDC::DoDrawRotatedText(const wxString& text, #if wxUSE_PALETTE -void wxDC::DoSelectPalette(bool realize) +void wxPalmDCImpl::DoSelectPalette(bool realize) { } -void wxDC::SetPalette(const wxPalette& palette) +void wxPalmDCImpl::SetPalette(const wxPalette& palette) { } -void wxDC::InitializePalette() +void wxPalmDCImpl::InitializePalette() { } #endif // wxUSE_PALETTE -void wxDC::SetFont(const wxFont& font) +// SetFont/Pen/Brush() really ask to be implemented as a single template +// function... but doing it is not worth breaking OpenWatcom build + +void wxPalmDCImpl::SetFont(const wxFont& font) { } -void wxDC::SetPen(const wxPen& pen) +void wxPalmDCImpl::SetPen(const wxPen& pen) { } -void wxDC::SetBrush(const wxBrush& brush) +void wxPalmDCImpl::SetBrush(const wxBrush& brush) { } -void wxDC::SetBackground(const wxBrush& brush) +void wxPalmDCImpl::SetBackground(const wxBrush& brush) { } -void wxDC::SetBackgroundMode(int mode) +void wxPalmDCImpl::SetBackgroundMode(int mode) { } -void wxDC::SetLogicalFunction(int function) +void wxPalmDCImpl::SetLogicalFunction(wxRasterOperationMode function) { } -void wxDC::SetRop(WXHDC dc) +void wxPalmDCImpl::SetRop(WXHDC dc) { } -bool wxDC::StartDoc(const wxString& WXUNUSED(message)) +bool wxPalmDCImpl::StartDoc(const wxString& WXUNUSED(message)) { + // We might be previewing, so return true to let it continue. return true; } -void wxDC::EndDoc() +void wxPalmDCImpl::EndDoc() { } -void wxDC::StartPage() +void wxPalmDCImpl::StartPage() { } -void wxDC::EndPage() +void wxPalmDCImpl::EndPage() { } @@ -322,126 +414,96 @@ void wxDC::EndPage() // text metrics // --------------------------------------------------------------------------- -wxCoord wxDC::GetCharHeight() const +wxCoord wxPalmDCImpl::GetCharHeight() const { return 0; } -wxCoord wxDC::GetCharWidth() const +wxCoord wxPalmDCImpl::GetCharWidth() const { return 0; } -void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y, +void wxPalmDCImpl::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y, wxCoord *descent, wxCoord *externalLeading, - wxFont *font) const + const wxFont *font) const { } -bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) 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 wxDC::SetMapMode(int mode) +void wxPalmDCImpl::RealizeScaleAndOrigin() { } -void wxDC::SetUserScale(double x, double y) +void wxPalmDCImpl::SetMapMode(wxMappingMode mode) { } -void wxDC::SetAxisOrientation(bool xLeftRight, bool yBottomUp) +void wxPalmDCImpl::SetUserScale(double x, double y) { } -void wxDC::SetSystemScale(double x, double y) +void wxPalmDCImpl::SetAxisOrientation(bool xLeftRight, + bool yBottomUp) { } -void wxDC::SetLogicalOrigin(wxCoord x, wxCoord y) +void wxPalmDCImpl::SetLogicalOrigin(wxCoord x, wxCoord y) { } -void wxDC::SetDeviceOrigin(wxCoord x, wxCoord y) +void wxPalmDCImpl::SetDeviceOrigin(wxCoord x, wxCoord y) { } // --------------------------------------------------------------------------- -// coordinates transformations +// bit blit // --------------------------------------------------------------------------- -wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const +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 0; -} - -wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const -{ - return 0; -} - -wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const -{ - return 0; -} - -wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const -{ - return 0; -} - -wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const -{ - return 0; -} - -wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const -{ - return 0; -} - -wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const -{ - return 0; + return false; } -wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const -{ - return 0; -} - -// --------------------------------------------------------------------------- -// bit blit -// --------------------------------------------------------------------------- - -bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, - wxCoord width, wxCoord height, - wxDC *source, wxCoord xsrc, wxCoord ysrc, - int rop, bool useMask, - wxCoord xsrcMask, wxCoord ysrcMask) +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 wxDC::DoGetSize(int *w, int *h) const +void wxPalmDCImpl::GetDeviceSize(int *width, int *height) const { } -void wxDC::DoGetSizeMM(int *w, int *h) const +void wxPalmDCImpl::DoGetSizeMM(int *w, int *h) const { } -wxSize wxDC::GetPPI() const +wxSize wxPalmDCImpl::GetPPI() const { return wxSize(0, 0); } -void wxDC::SetLogicalScale(double x, double y) +// For use by wxWidgets only, unless custom units are required. +void wxPalmDCImpl::SetLogicalScale(double x, double y) { } @@ -451,11 +513,22 @@ void wxDC::SetLogicalScale(double x, double y) #if wxUSE_DC_CACHEING -wxList wxDC::sm_bitmapCache; -wxList wxDC::sm_dcCache; +/* + * 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) @@ -466,33 +539,34 @@ wxDCCacheEntry::~wxDCCacheEntry() { } -wxDCCacheEntry* wxDC::FindBitmapInCache(WXHDC dc, int w, int h) +wxDCCacheEntry* wxPalmDCImpl::FindBitmapInCache(WXHDC dc, int w, int h) { return NULL; } -wxDCCacheEntry* wxDC::FindDCInCache(wxDCCacheEntry* notThis, WXHDC dc) +wxDCCacheEntry* wxPalmDCImpl::FindDCInCache(wxDCCacheEntry* notThis, WXHDC dc) { return NULL; } -void wxDC::AddToBitmapCache(wxDCCacheEntry* entry) +void wxPalmDCImpl::AddToBitmapCache(wxDCCacheEntry* entry) { } -void wxDC::AddToDCCache(wxDCCacheEntry* entry) +void wxPalmDCImpl::AddToDCCache(wxDCCacheEntry* entry) { } -void wxDC::ClearCache() +void wxPalmDCImpl::ClearCache() { } +// Clean up cache at app exit class wxDCModule : public wxModule { public: virtual bool OnInit() { return true; } - virtual void OnExit() { wxDC::ClearCache(); } + virtual void OnExit() { wxPalmDCImpl::ClearCache(); } private: DECLARE_DYNAMIC_CLASS(wxDCModule) @@ -502,3 +576,39 @@ 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