AuroraMiddleware/wxWidgets
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Minor update to wxCanvas.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8246 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling 2000-09-03 16:38:53 +00:00
parent e83bf4f7e1
commit 1e1af41e4b
2 changed files with 37 additions and 22 deletions
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12
contrib/include/wx/canvas/canvas.h
View File

@ -33,10 +33,18 @@ class wxCanvasObject: public wxEvtHandler
public:
wxCanvasObject( int x, int y, int width, int height );
// These are for screen output only therefore use
// int as coordinates.
virtual void Move( int x, int y );
virtual bool IsHit( int x, int y, int margin = 0 );
virtual void Render( int clip_x, int clip_y, int clip_width, int clip_height );
// Once we have world coordinates in doubles, this will get
// called for every object if the world coordinate system
// changes (zooming).
virtual void Rerender();
// Later...
virtual void WriteSVG( wxTextOutputStream &stream );
wxCanvas *GetOwner() { return m_owner; }
@ -188,6 +196,7 @@ public:
wxImage *GetBuffer() { return &m_buffer; }
bool NeedUpdate() { return m_needUpdate; }
bool IsFrozen() { return m_frozen; }
void BlitBuffer( wxDC &dc );
@ -200,7 +209,6 @@ private:
bool m_frozen;
wxCanvasObject *m_lastMouse;
friend class wxCanvasObject;
private:

47
contrib/src/canvas/canvas.cpp
View File

@ -25,17 +25,19 @@
#include "wx/gtk/win_gtk.h"
#endif
#define USE_FREETYPE 1
#ifndef wxUSE_FREETYPE
#define wxUSE_FREETYPE 1
#endif
#if USE_FREETYPE
#include <freetype/freetype.h>
#if wxUSE_FREETYPE
#include <freetype/freetype.h>
#endif
//----------------------------------------------------------------------------
// globals
//----------------------------------------------------------------------------
#if USE_FREETYPE
#if wxUSE_FREETYPE
FT_Library g_freetypeLibrary;
#endif
@ -80,11 +82,15 @@ bool wxCanvasObject::IsHit( int x, int y, int margin )
(y <= m_area.y+m_area.height+margin));
}
void wxCanvasObject::WriteSVG( wxTextOutputStream &stream )
void wxCanvasObject::Render( int clip_x, int clip_y, int clip_width, int clip_height )
{
}
void wxCanvasObject::Render( int clip_x, int clip_y, int clip_width, int clip_height )
void wxCanvasObject::Rerender()
{
}
void wxCanvasObject::WriteSVG( wxTextOutputStream &stream )
{
}
@ -198,6 +204,7 @@ void wxCanvasLine::Render( int clip_x, int clip_y, int clip_width, int clip_heig
void wxCanvasLine::WriteSVG( wxTextOutputStream &stream )
{
// no idea
}
//----------------------------------------------------------------------------
@ -272,7 +279,7 @@ void wxCanvasControl::UpdateSize()
class wxFaceData
{
public:
#if USE_FREETYPE
#if wxUSE_FREETYPE
FT_Face m_face;
#else
void *m_dummy;
@ -296,7 +303,7 @@ wxCanvasText::wxCanvasText( const wxString &text, int x, int y, const wxString &
m_alpha = new unsigned char[100*m_size];
memset( m_alpha, 0, m_area.width*m_area.height );
#if USE_FREETYPE
#if wxUSE_FREETYPE
wxFaceData *data = new wxFaceData;
m_faceData = data;
@ -316,7 +323,7 @@ wxCanvasText::wxCanvasText( const wxString &text, int x, int y, const wxString &
wxCanvasText::~wxCanvasText()
{
#if USE_FREETYPE
#if wxUSE_FREETYPE
wxFaceData *data = (wxFaceData*) m_faceData;
delete data;
#endif
@ -384,7 +391,7 @@ void wxCanvasText::WriteSVG( wxTextOutputStream &stream )
void wxCanvasText::CreateBuffer()
{
#if USE_FREETYPE
#if wxUSE_FREETYPE
FT_Face face = ((wxFaceData*)m_faceData)->m_face;
FT_GlyphSlot slot = face->glyph;
int pen_x = 0;
@ -761,8 +768,8 @@ void wxCanvas::OnMouse(wxMouseEvent &event)
{
wxMouseEvent child_event( wxEVT_MOTION );
child_event.SetEventObject( obj );
child_event.m_x = x + obj->GetX();
child_event.m_y = y + obj->GetY();
child_event.m_x = x - obj->GetX();
child_event.m_y = y - obj->GetY();
child_event.m_leftDown = event.m_leftDown;
child_event.m_rightDown = event.m_rightDown;
child_event.m_middleDown = event.m_middleDown;
@ -775,15 +782,15 @@ void wxCanvas::OnMouse(wxMouseEvent &event)
{
child_event.SetEventType( wxEVT_LEAVE_WINDOW );
child_event.SetEventObject( m_lastMouse );
child_event.m_x = x + m_lastMouse->GetX();
child_event.m_y = y + m_lastMouse->GetY();
child_event.m_x = x - m_lastMouse->GetX();
child_event.m_y = y - m_lastMouse->GetY();
m_lastMouse->ProcessEvent( child_event );
m_lastMouse = obj;
child_event.SetEventType( wxEVT_ENTER_WINDOW );
child_event.SetEventObject( m_lastMouse );
child_event.m_x = x + m_lastMouse->GetX();
child_event.m_y = y + m_lastMouse->GetY();
child_event.m_x = x - m_lastMouse->GetX();
child_event.m_y = y - m_lastMouse->GetY();
m_lastMouse->ProcessEvent( child_event );
child_event.SetEventType( wxEVT_MOTION );
@ -799,8 +806,8 @@ void wxCanvas::OnMouse(wxMouseEvent &event)
{
wxMouseEvent child_event( wxEVT_LEAVE_WINDOW );
child_event.SetEventObject( m_lastMouse );
child_event.m_x = x + m_lastMouse->GetX();
child_event.m_y = y + m_lastMouse->GetY();
child_event.m_x = x - m_lastMouse->GetX();
child_event.m_y = y - m_lastMouse->GetY();
child_event.m_leftDown = event.m_leftDown;
child_event.m_rightDown = event.m_rightDown;
child_event.m_middleDown = event.m_middleDown;
@ -859,7 +866,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxCanvasModule, wxModule)
bool wxCanvasModule::OnInit()
{
#if USE_FREETYPE
#if wxUSE_FREETYPE
int error = FT_Init_FreeType( &g_freetypeLibrary );
if (error) return FALSE;
#endif
@ -869,7 +876,7 @@ bool wxCanvasModule::OnInit()
void wxCanvasModule::OnExit()
{
#if USE_FREETYPE
#if wxUSE_FREETYPE
FT_Done_FreeType( g_freetypeLibrary );
#endif
}