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DocView and wxStream things

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2983 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1999-07-11 19:29:59 +00:00
parent d4c241b9e6
commit 56d7679d3e
4 changed files with 133 additions and 34 deletions
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88
samples/docview/doc.cpp
View File

@@ -23,6 +23,7 @@
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/txtstrm.h"
#if !wxUSE_DOC_VIEW_ARCHITECTURE
#error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in setup.h!
@@ -42,6 +43,7 @@ DrawingDocument::~DrawingDocument(void)
doodleSegments.DeleteContents(TRUE);
}
#if wxUSE_STD_IOSTREAM
ostream& DrawingDocument::SaveObject(ostream& stream)
{
wxDocument::SaveObject(stream);
@@ -58,7 +60,30 @@ ostream& DrawingDocument::SaveObject(ostream& stream)
}
return stream;
}
#else
bool DrawingDocument::SaveObject(wxOutputStream &stream)
{
wxDocument::SaveObject(stream);
wxTextOutputStream text_stream( stream );
wxInt32 n = doodleSegments.Number();
text_stream << n << "\n";
wxNode *node = doodleSegments.First();
while (node)
{
DoodleSegment *segment = (DoodleSegment *)node->Data();
segment->SaveObject(stream);
text_stream << "\n";
node = node->Next();
}
return TRUE;
}
#endif
#if wxUSE_STD_IOSTREAM
istream& DrawingDocument::LoadObject(istream& stream)
{
wxDocument::LoadObject(stream);
@@ -75,6 +100,26 @@ istream& DrawingDocument::LoadObject(istream& stream)
return stream;
}
#else
bool DrawingDocument::LoadObject(wxInputStream& stream)
{
wxDocument::LoadObject(stream);
wxTextInputStream text_stream( stream );
wxInt32 n = 0;
text_stream >> n;
for (int i = 0; i < n; i++)
{
DoodleSegment *segment = new DoodleSegment;
segment->LoadObject(stream);
doodleSegments.Append(segment);
}
return TRUE;
}
#endif
DoodleSegment::DoodleSegment(void)
{
@@ -103,6 +148,7 @@ DoodleSegment::~DoodleSegment(void)
lines.DeleteContents(TRUE);
}
#if wxUSE_STD_IOSTREAM
ostream& DoodleSegment::SaveObject(ostream& stream)
{
stream << lines.Number() << '\n';
@@ -115,7 +161,29 @@ ostream& DoodleSegment::SaveObject(ostream& stream)
}
return stream;
}
#else
bool DoodleSegment::SaveObject(wxOutputStream& stream)
{
wxTextOutputStream text_stream( stream );
wxInt32 n = lines.Number();
text_stream << n << "\n";
wxNode *node = lines.First();
while (node)
{
DoodleLine *line = (DoodleLine *)node->Data();
text_stream << line->x1 << " " <<
line->y1 << " " <<
line->x2 << " " <<
line->y2 << "\n";
node = node->Next();
}
return TRUE;
}
#endif
#if wxUSE_STD_IOSTREAM
istream& DoodleSegment::LoadObject(istream& stream)
{
int n = 0;
@@ -129,6 +197,26 @@ istream& DoodleSegment::LoadObject(istream& stream)
}
return stream;
}
#else
bool DoodleSegment::LoadObject(wxInputStream& stream)
{
wxTextInputStream text_stream( stream );
wxInt32 n = 0;
text_stream >> n;
for (int i = 0; i < n; i++)
{
DoodleLine *line = new DoodleLine;
text_stream >> line->x1 >>
line->y1 >>
line->x2 >>
line->y2;
lines.Append(line);
}
return TRUE;
}
#endif
void DoodleSegment::Draw(wxDC *dc)
{