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gnuplot/src/beos/GPView.cpp at branch-4-2-stable · gnuplot/gnuplot · GitHub
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GPView.cpp
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/*
[
* Copyright 1986 - 1993, 1998, 2004 Thomas Williams, Colin Kelley
*
* Permission to use, copy, and distribute this software and its
* documentation for any purpose with or without fee is hereby granted,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation.
*
* Permission to modify the software is granted, but not the right to
* distribute the complete modified source code. Modifications are to
* be distributed as patches to the released version. Permission to
* distribute binaries produced by compiling modified sources is granted,
* provided you
* 1. distribute the corresponding source modifications from the
* released version in the form of a patch file along with the binaries,
* 2. add special version identification to distinguish your version
* in addition to the base release version number,
* 3. provide your name and address as the primary contact for the
* support of your modified version, and
* 4. retain our contact information in regard to use of the base
* software.
* Permission to distribute the released version of the source code along
* with corresponding source modifications in the form of a patch file is
* granted with same provisions 2 through 4 for binary distributions.
*
* This software is provided "as is" without express or implied warranty
* to the extent permitted by applicable law.
]
*/
#
include
<
stdio.h
>
#
include
<
stdlib.h
>
#
include
<
string.h
>
#
include
"
GPBitmap.h
"
#
include
"
GPView.h
"
#
include
"
constants.h
"
#
include
<
Region.h
>
#
include
<
ScrollBar.h
>
/*
*****************************************************************
*/
//
GPView
GPView::GPView
(BRect rect, ulong resizeMode,
ulong flags, GPBitmap *bitmap)
: BView(rect,
"
BitmapEditor
"
,resizeMode,flags|
B_SUBPIXEL_PRECISE
|
B_FRAME_EVENTS
)
{
m_bitmap = (bitmap) ? bitmap :
new
GPBitmap
(rect.
Width
(), rect.
Height
());
SetScale
(
1
);
};
void
GPView::GetMaxSize
(
float
*width,
float
*height)
{
BRect r = m_bitmap->
Bounds
();
*width =
floor
((r.
right
+
1
)*m_scale -
0.5
);
*height =
floor
((r.
bottom
+
1
)*m_scale -
0.5
);
};
void
GPView::MessageReceived
(BMessage *msg)
{
switch
(msg->
what
) {
case
bmsgBitmapDirty:
{
//
m_bitmap->Lock();
//
m_bitmap->display();
//
m_bitmap->Unlock();
//
printf("view (dirty) displaying %d commands\n",m_bitmap->ncommands);
Draw
(
Bounds
());
break
;
};
case
bmsgBitmapResize:
{
BRect r;
msg->
FindRect
(
"
rect
"
,&r);
m_bitmap->
ResizeTo
(r.
Width
(),r.
Height
(),
0
);
break
;
};
case
bmsgNewCmd:
{
char
*cmd =
NULL
;
int32 i, num;
num = msg->
FindInt32
(
"
numcmds
"
);
m_bitmap->
addCommands
(msg,num);
//
printf("view (new cmds) displaying %d commands\n",m_bitmap->ncommands);
Draw
(
Bounds
());
break
;
}
case
bmsgClrCmd:
{
m_bitmap->
clearCommands
();
break
;
}
default
:
BView::MessageReceived
(msg);
};
};
GPView::~GPView
()
{
};
void
GPView::SetScale
(
float
scale)
{
m_scale = scale;
//
FixupScrollbars();
Invalidate
();
};
float
GPView::Scale
()
{
return
m_scale;
};
void
GPView::FrameResized
(
float
width,
float
height)
{
uint32 buttons;
BPoint cursor;
printf
(
"
resising
\n
"
);
//
ResizeTo(width, height);
//
GetMouse(&cursor, &buttons);
m_bitmap->
Lock
();
m_bitmap->
ResizeTo
(width, height,
1
);
BBitmap *b = m_bitmap->
RealBitmap
();
DrawBitmap
(b,b->
Bounds
(),
Bounds
());
Sync
();
m_bitmap->
Unlock
();
//
Draw(Bounds());
//
FixupScrollbars();
};
void
GPView::AttachedToWindow
()
{
//
FixupScrollbars();
SetViewColor
(
B_TRANSPARENT_32_BIT
);
};
void
GPView::MouseDown
(BPoint point)
{
printf
(
"
Mouse Down
\n
"
);
};
void
GPView::MouseUp
(BPoint point)
{
printf
(
"
Mouse Up
\n
"
);
Draw
(
Bounds
());
};
void
GPView::Draw
(BRect updateRect)
{
m_bitmap->
Lock
();
m_bitmap->
display
(
Bounds
().
Width
(),
Bounds
().
Height
());
BBitmap *b = m_bitmap->
RealBitmap
();
DrawBitmap
(b,b->
Bounds
(),
Bounds
());
Sync
();
m_bitmap->
Unlock
();
};
void
GPView::FixupScrollbars
()
{
};
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