X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/db5d183b038b3f91bac70af884ba67f7fcfe90e0..103aec296a2c017f915b4b2b2584191fdb716a75:/src/gtk/dc.cpp diff --git a/src/gtk/dc.cpp b/src/gtk/dc.cpp index 0b621c2b79..f101829e97 100644 --- a/src/gtk/dc.cpp +++ b/src/gtk/dc.cpp @@ -2,9 +2,8 @@ // Name: dc.cpp // Purpose: // Author: Robert Roebling -// Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem +// Copyright: (c) 1998 Robert Roebling, Markus Holzem // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -15,6 +14,9 @@ #include "wx/dc.h" +#include "gdk/gdk.h" +#include "gtk/gtk.h" + //----------------------------------------------------------------------------- // constants //----------------------------------------------------------------------------- @@ -32,61 +34,62 @@ IMPLEMENT_ABSTRACT_CLASS(wxDC,wxObject) -wxDC::wxDC(void) +wxDC::wxDC() { - m_ok = FALSE; - m_optimize = FALSE; - m_autoSetting = FALSE; - m_colour = TRUE; - m_clipping = FALSE; + m_ok = FALSE; + m_optimize = FALSE; + m_autoSetting = FALSE; + m_colour = TRUE; + m_clipping = FALSE; - m_mm_to_pix_x = 1.0; - m_mm_to_pix_y = 1.0; + m_mm_to_pix_x = 1.0; + m_mm_to_pix_y = 1.0; - m_logicalOriginX = 0; - m_logicalOriginY = 0; - m_deviceOriginX = 0; - m_deviceOriginY = 0; + m_logicalOriginX = 0; + m_logicalOriginY = 0; + m_deviceOriginX = 0; + m_deviceOriginY = 0; - m_logicalScaleX = 1.0; - m_logicalScaleY = 1.0; - m_userScaleX = 1.0; - m_userScaleY = 1.0; - m_scaleX = 1.0; - m_scaleY = 1.0; + m_logicalScaleX = 1.0; + m_logicalScaleY = 1.0; + m_userScaleX = 1.0; + m_userScaleY = 1.0; + m_scaleX = 1.0; + m_scaleY = 1.0; - m_mappingMode = MM_TEXT; - m_needComputeScaleX = FALSE; - m_needComputeScaleY = FALSE; + m_mappingMode = wxMM_TEXT; + m_needComputeScaleX = FALSE; /* not used yet */ + m_needComputeScaleY = FALSE; /* not used yet */ - m_signX = 1; // default x-axis left to right - m_signY = 1; // default y-axis top down + m_signX = 1; /* default x-axis left to right */ + m_signY = 1; /* default y-axis top down. -1 in postscript. */ - m_maxX = m_maxY = -100000; - m_minY = m_minY = 100000; + m_maxX = 0; + m_maxY = 0; + m_minX = 0; + m_minY = 0; - m_logicalFunction = wxCOPY; + m_logicalFunction = wxCOPY; // m_textAlignment = wxALIGN_TOP_LEFT; - m_backgroundMode = wxTRANSPARENT; + m_backgroundMode = wxTRANSPARENT; - m_textForegroundColour = *wxBLACK; - m_textBackgroundColour = *wxWHITE; - m_pen = *wxBLACK_PEN; - m_font = *wxNORMAL_FONT; - m_brush = *wxTRANSPARENT_BRUSH; - m_backgroundBrush = *wxWHITE_BRUSH; + m_textForegroundColour = *wxBLACK; + m_textBackgroundColour = *wxWHITE; + m_pen = *wxBLACK_PEN; + m_font = *wxNORMAL_FONT; + m_brush = *wxTRANSPARENT_BRUSH; + m_backgroundBrush = *wxWHITE_BRUSH; -// m_palette = wxAPP_COLOURMAP; +// m_palette = wxAPP_COLOURMAP; /* I'll learn to handle palettes later in my life */ } -wxDC::~wxDC(void) +wxDC::~wxDC() { } -bool wxDC::Ok(void) const +bool wxDC::Ok() const { - wxASSERT_MSG( m_ok, "invalid display context" ); - return m_ok; + return m_ok; } void wxDC::DrawArc( long WXUNUSED(x1), long WXUNUSED(y1), long WXUNUSED(x2), long WXUNUSED(y2), @@ -94,284 +97,290 @@ void wxDC::DrawArc( long WXUNUSED(x1), long WXUNUSED(y1), long WXUNUSED(x2), lon { } -void wxDC::DrawIcon( const wxIcon &WXUNUSED(icon), long WXUNUSED(x), long WXUNUSED(y), bool WXUNUSED(useMask) ) -{ -} - void wxDC::DrawPoint( wxPoint& point ) { - DrawPoint( point.x, point.y ); + DrawPoint( point.x, point.y ); } void wxDC::DrawPolygon( wxList *list, long xoffset, long yoffset, int fillStyle ) { - int n = list->Number(); - wxPoint *points = new wxPoint[n]; + int n = list->Number(); + wxPoint *points = new wxPoint[n]; - int i = 0; - for( wxNode *node = list->First(); node; node = node->Next() ) - { - wxPoint *point = (wxPoint *)node->Data(); - points[i].x = point->x; - points[i++].y = point->y; - } - DrawPolygon( n, points, xoffset, yoffset, fillStyle ); - delete[] points; + int i = 0; + for( wxNode *node = list->First(); node; node = node->Next() ) + { + wxPoint *point = (wxPoint *)node->Data(); + points[i].x = point->x; + points[i++].y = point->y; + } + + DrawPolygon( n, points, xoffset, yoffset, fillStyle ); + delete[] points; } void wxDC::DrawLines( wxList *list, long xoffset, long yoffset ) { - int n = list->Number(); - wxPoint *points = new wxPoint[n]; + int n = list->Number(); + wxPoint *points = new wxPoint[n]; - int i = 0; - for( wxNode *node = list->First(); node; node = node->Next() ) - { - wxPoint *point = (wxPoint *)node->Data(); - points[i].x = point->x; - points[i++].y = point->y; - } - DrawLines( n, points, xoffset, yoffset ); - delete []points; + int i = 0; + for( wxNode *node = list->First(); node; node = node->Next() ) + { + wxPoint *point = (wxPoint *)node->Data(); + points[i].x = point->x; + points[i++].y = point->y; + } + + DrawLines( n, points, xoffset, yoffset ); + delete []points; } void wxDC::DrawSpline( long x1, long y1, long x2, long y2, long x3, long y3 ) { - wxList list; - list.Append( (wxObject*)new wxPoint(x1, y1) ); - list.Append( (wxObject*)new wxPoint(x2, y2) ); - list.Append( (wxObject*)new wxPoint(x3, y3) ); - DrawSpline(&list); - wxNode *node = list.First(); - while (node) - { - wxPoint *p = (wxPoint*)node->Data(); - delete p; - node = node->Next(); - } -} - -void wxDC::DrawSpline( wxList *points ) -{ - DrawOpenSpline( points ); + wxList list; + list.Append( (wxObject*)new wxPoint(x1, y1) ); + list.Append( (wxObject*)new wxPoint(x2, y2) ); + list.Append( (wxObject*)new wxPoint(x3, y3) ); + DrawSpline(&list); + wxNode *node = list.First(); + while (node) + { + wxPoint *p = (wxPoint*)node->Data(); + delete p; + node = node->Next(); + } } void wxDC::DrawSpline( int n, wxPoint points[] ) { - wxList list; - for (int i = 0; i < n; i++) list.Append( (wxObject*)&points[i] ); - DrawSpline( &list ); + wxList list; + for (int i = 0; i < n; i++) list.Append( (wxObject*)&points[i] ); + DrawSpline( &list ); } void wxDC::SetClippingRegion( long x, long y, long width, long height ) { - m_clipping = TRUE; - m_clipX1 = x; - m_clipY1 = y; - m_clipX2 = x + width; - m_clipY2 = y + height; + m_clipping = TRUE; + m_clipX1 = x; + m_clipY1 = y; + m_clipX2 = x + width; + m_clipY2 = y + height; } -void wxDC::DestroyClippingRegion(void) +void wxDC::DestroyClippingRegion() { - m_clipping = FALSE; + m_clipping = FALSE; } void wxDC::GetClippingBox( long *x, long *y, long *width, long *height ) const { - if (m_clipping) - { - if (x) *x = m_clipX1; - if (y) *y = m_clipY1; - if (width) *width = (m_clipX2 - m_clipX1); - if (height) *height = (m_clipY2 - m_clipY1); - } - else - *x = *y = *width = *height = 0; + if (m_clipping) + { + if (x) *x = m_clipX1; + if (y) *y = m_clipY1; + if (width) *width = (m_clipX2 - m_clipX1); + if (height) *height = (m_clipY2 - m_clipY1); + } + else + { + *x = *y = *width = *height = 0; + } } void wxDC::GetSize( int* width, int* height ) const { - *width = m_maxX-m_minX; - *height = m_maxY-m_minY; + if (width) *width = m_maxX-m_minX; + if (height) *height = m_maxY-m_minY; } -void wxDC::GetSizeMM( long* width, long* height ) const +void wxDC::GetSizeMM( int* width, int* height ) const { - int w = 0; - int h = 0; - GetSize( &w, &h ); - *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) ); - *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) ); + int w = 0; + int h = 0; + GetSize( &w, &h ); + if (width) *width = int( double(w) / (m_scaleX*m_mm_to_pix_x) ); + if (height) *height = int( double(h) / (m_scaleY*m_mm_to_pix_y) ); +} + +// Resolution in pixels per logical inch +wxSize wxDC::GetPPI(void) const +{ + // TODO (should probably be pure virtual) + return wxSize(0, 0); } void wxDC::SetTextForeground( const wxColour &col ) { - if (!Ok()) return; - m_textForegroundColour = col; + m_textForegroundColour = col; } void wxDC::SetTextBackground( const wxColour &col ) { - if (!Ok()) return; - m_textBackgroundColour = col; + m_textBackgroundColour = col; } void wxDC::SetMapMode( int mode ) { - switch (mode) - { - case MM_TWIPS: - SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y ); - break; - case MM_POINTS: - SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y ); - break; - case MM_METRIC: - SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y ); - break; - case MM_LOMETRIC: - SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 ); - break; - default: - case MM_TEXT: - SetLogicalScale( 1.0, 1.0 ); - break; - } - if (mode != MM_TEXT) - { - m_needComputeScaleX = TRUE; - m_needComputeScaleY = TRUE; - } + switch (mode) + { + case wxMM_TWIPS: + SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y ); + break; + case wxMM_POINTS: + SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y ); + break; + case wxMM_METRIC: + SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y ); + break; + case wxMM_LOMETRIC: + SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 ); + break; + default: + case wxMM_TEXT: + SetLogicalScale( 1.0, 1.0 ); + break; + } +/* we don't do this mega optimisation + if (mode != wxMM_TEXT) + { + m_needComputeScaleX = TRUE; + m_needComputeScaleY = TRUE; + } +*/ } void wxDC::SetUserScale( double x, double y ) { - // allow negative ? -> no - m_userScaleX = x; - m_userScaleY = y; - ComputeScaleAndOrigin(); + // allow negative ? -> no + m_userScaleX = x; + m_userScaleY = y; + ComputeScaleAndOrigin(); } void wxDC::GetUserScale( double *x, double *y ) { - if (x) *x = m_userScaleX; - if (y) *y = m_userScaleY; + if (x) *x = m_userScaleX; + if (y) *y = m_userScaleY; } void wxDC::SetLogicalScale( double x, double y ) { - // allow negative ? - m_logicalScaleX = x; - m_logicalScaleY = y; - ComputeScaleAndOrigin(); + // allow negative ? + m_logicalScaleX = x; + m_logicalScaleY = y; + ComputeScaleAndOrigin(); } void wxDC::GetLogicalScale( double *x, double *y ) { - if (x) *x = m_logicalScaleX; - if (y) *y = m_logicalScaleY; + if (x) *x = m_logicalScaleX; + if (y) *y = m_logicalScaleY; } void wxDC::SetLogicalOrigin( long x, long y ) { - m_logicalOriginX = x * m_signX; // is this still correct ? - m_logicalOriginY = y * m_signY; - ComputeScaleAndOrigin(); + m_logicalOriginX = x * m_signX; // is this still correct ? + m_logicalOriginY = y * m_signY; + ComputeScaleAndOrigin(); } void wxDC::GetLogicalOrigin( long *x, long *y ) { - if (x) *x = m_logicalOriginX; - if (y) *y = m_logicalOriginY; + if (x) *x = m_logicalOriginX; + if (y) *y = m_logicalOriginY; } void wxDC::SetDeviceOrigin( long x, long y ) { - m_deviceOriginX = x; - m_deviceOriginY = y; - ComputeScaleAndOrigin(); + // only wxPostScripDC has m_signX = -1, we override SetDeviceOrigin there + m_deviceOriginX = x; + m_deviceOriginY = y; + ComputeScaleAndOrigin(); } void wxDC::GetDeviceOrigin( long *x, long *y ) { - if (x) *x = m_deviceOriginX; - if (y) *y = m_deviceOriginY; + if (x) *x = m_deviceOriginX; + if (y) *y = m_deviceOriginY; } void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp ) { - m_signX = (xLeftRight ? 1 : -1); - m_signY = (yBottomUp ? -1 : 1); - ComputeScaleAndOrigin(); + // only wxPostScripDC has m_signX = -1, we override SetAxisOrientation there + m_signX = (xLeftRight ? 1 : -1); + m_signY = (yBottomUp ? -1 : 1); + ComputeScaleAndOrigin(); } long wxDC::DeviceToLogicalX(long x) const { - return XDEV2LOG(x); + return XDEV2LOG(x); } long wxDC::DeviceToLogicalY(long y) const { - return YDEV2LOG(y); + return YDEV2LOG(y); } long wxDC::DeviceToLogicalXRel(long x) const { - return XDEV2LOGREL(x); + return XDEV2LOGREL(x); } long wxDC::DeviceToLogicalYRel(long y) const { - return YDEV2LOGREL(y); + return YDEV2LOGREL(y); } long wxDC::LogicalToDeviceX(long x) const { - return XLOG2DEV(x); + return XLOG2DEV(x); } long wxDC::LogicalToDeviceY(long y) const { - return YLOG2DEV(y); + return YLOG2DEV(y); } long wxDC::LogicalToDeviceXRel(long x) const { - return XLOG2DEVREL(x); + return XLOG2DEVREL(x); } long wxDC::LogicalToDeviceYRel(long y) const { - return YLOG2DEVREL(y); + return YLOG2DEVREL(y); } void wxDC::CalcBoundingBox( long x, long y ) { - if (x < m_minX) m_minX = x; - if (y < m_minY) m_minY = y; - if (x > m_maxX) m_maxX = x; - if (y > m_maxY) m_maxY = y; + if (x < m_minX) m_minX = x; + if (y < m_minY) m_minY = y; + if (x > m_maxX) m_maxX = x; + if (y > m_maxY) m_maxY = y; } -void wxDC::ComputeScaleAndOrigin(void) +void wxDC::ComputeScaleAndOrigin() { - // CMB: copy scale to see if it changes - double origScaleX = m_scaleX; - double origScaleY = m_scaleY; + // CMB: copy scale to see if it changes + double origScaleX = m_scaleX; + double origScaleY = m_scaleY; - m_scaleX = m_logicalScaleX * m_userScaleX; - m_scaleY = m_logicalScaleY * m_userScaleY; + m_scaleX = m_logicalScaleX * m_userScaleX; + m_scaleY = m_logicalScaleY * m_userScaleY; - // CMB: if scale has changed call SetPen to recalulate the line width - if (m_scaleX != origScaleX || m_scaleY != origScaleY) - { - // this is a bit artificial, but we need to force wxDC to think - // the pen has changed - wxPen* pen = GetPen(); - wxPen tempPen; - m_pen = tempPen; - SetPen(pen); + // CMB: if scale has changed call SetPen to recalulate the line width + if (m_scaleX != origScaleX || m_scaleY != origScaleY) + { + // this is a bit artificial, but we need to force wxDC to think + // the pen has changed + // It gives an Assert, Robert Roebling +/* + wxPen pen = m_pen; + m_pen = wxNullPen; + SetPen( pen ); +*/ } }