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DitherStudioView.cpp
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DitherStudioView.cpp
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// ----------------------------------------------------------------------------
/*
The MIT License (MIT)
Copyright (c) 2000- Brad P. Taylor
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
// ----------------------------------------------------------------------------
#include "stdafx.h"
#include "DitherStudio.h"
#include "BpaintStuff/BPTPrimitives.h"
#include "DitherStudioView.h"
#include "TScaleUpBlit.h"
//#include "VariousOperationsThatNeedAHome.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
// ----------------------------------------------------------------------------
#define BPTVIEW_USE_CENTER_BORDER_CODE
//#define USE_WINDOW_COLOR_FOR_BORDER
/////////////////////////////////////////////////////////////////////////////
CDitherStudioView * CDitherStudioView::s_pControllingScrollView = 0;
int CDitherStudioView::s_nScrollControlTimer = 0;
bool CDitherStudioView::s_bFavorLeft = false;
bool CDitherStudioView::s_bFavorTop = false;
/////////////////////////////////////////////////////////////////////////////
// CDitherStudioView
IMPLEMENT_DYNCREATE(CDitherStudioView, CScrollView)
BEGIN_MESSAGE_MAP(CDitherStudioView, CScrollView)
//{{AFX_MSG_MAP(CDitherStudioView)
ON_WM_ERASEBKGND()
ON_WM_SIZE()
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONUP()
ON_WM_MOUSEMOVE()
ON_WM_RBUTTONDOWN()
ON_WM_RBUTTONUP()
ON_WM_CANCELMODE()
ON_WM_MBUTTONDOWN()
ON_WM_MBUTTONUP()
ON_WM_MBUTTONDBLCLK()
ON_WM_MOUSEWHEEL()
ON_COMMAND(ID_VZOOM_DEC, OnVzoomDec)
ON_UPDATE_COMMAND_UI(ID_VZOOM_DEC, OnUpdateVzoomDec)
ON_COMMAND(ID_VZOOM_INC, OnVzoomInc)
ON_UPDATE_COMMAND_UI(ID_VZOOM_INC, OnUpdateVzoomInc)
ON_COMMAND(ID_VCMD_CENTER_ON_CURSOR, OnVcmdCenterOnCursor)
ON_UPDATE_COMMAND_UI(ID_VCMD_CENTER_ON_CURSOR, OnUpdateVcmdCenterOnCursor)
ON_COMMAND(ID_VCMD_CURSOR_ZOOM, OnVcmdCursorZoom)
ON_UPDATE_COMMAND_UI(ID_VCMD_CURSOR_ZOOM, OnUpdateVcmdCursorZoom)
ON_WM_TIMER()
ON_WM_SETCURSOR()
ON_WM_CREATE()
ON_COMMAND(ID_VSET_IMEDIATE_UPDATES, OnVsetImediateUpdates)
ON_UPDATE_COMMAND_UI(ID_VSET_IMEDIATE_UPDATES, OnUpdateVsetImediateUpdates)
ON_COMMAND(ID_VSET_CENTER_SYNC_SCROLL, OnVsetCenterSyncScroll)
ON_UPDATE_COMMAND_UI(ID_VSET_CENTER_SYNC_SCROLL, OnUpdateVsetCenterSyncScroll)
ON_COMMAND(ID_VSET_DISABLE_AUTO_SCROLL, OnVsetDisableAutoScroll)
ON_UPDATE_COMMAND_UI(ID_VSET_DISABLE_AUTO_SCROLL, OnUpdateVsetDisableAutoScroll)
ON_COMMAND(ID_VSET_SHOW_FATBITS, OnVsetShowFatbits)
ON_UPDATE_COMMAND_UI(ID_VSET_SHOW_FATBITS, OnUpdateVsetShowFatbits)
ON_COMMAND(ID_VSET_SHOW_GRID, OnVsetShowGrid)
ON_UPDATE_COMMAND_UI(ID_VSET_SHOW_GRID, OnUpdateVsetShowGrid)
ON_COMMAND(ID_VCMD_REQUEST_OTHERS_CENTER_ON_CURSOR, OnVcmdRequestOthersCenterOnCursor)
ON_COMMAND(ID_VSET_SWITCH_MODE, OnVsetSwitchMode)
ON_UPDATE_COMMAND_UI(ID_VSET_SWITCH_MODE, OnUpdateVsetSwitchMode)
ON_COMMAND(ID_CENTER_VIEW, OnCenterView)
ON_COMMAND(ID_2_VSET_SWITCH_MODE, On2VsetSwitchMode)
ON_UPDATE_COMMAND_UI(ID_2_VSET_SWITCH_MODE, OnUpdate2VsetSwitchMode)
ON_COMMAND(ID_SHOW_DITHERED_IMAGE, OnShowDitheredImage)
ON_UPDATE_COMMAND_UI(ID_SHOW_DITHERED_IMAGE, OnUpdateShowDitheredImage)
//}}AFX_MSG_MAP
ON_COMMAND_RANGE(ID_VZOOM_1X,ID_VZOOM_10X,OnZoom)
ON_UPDATE_COMMAND_UI_RANGE(ID_VZOOM_1X,ID_VZOOM_10X,OnUpdateZoom)
ON_WM_DESTROY()
ON_WM_DROPFILES()
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CDitherStudioView construction/destruction
CDitherStudioView::CDitherStudioView() :
m_pDisplayDibSection(0)
,m_pNormalDibSection(0)
,m_LogicalCanvasSize(0,0)
,m_PhysicalCanvasSize(0,0)
,m_Zoom(2,2)
,m_LastZoom(3,3)
,m_bCenterSync( true )
,m_bImediateUpdates( true )
,m_bRawView( false )
,m_bDontSyncPositions( false )
,m_bReportViewPosChanges( true )
,m_bFatBitLines( false )
,m_bCenterOtherViewsOnMButton( true )
,m_bLiveTrackOtherViews( false )
,m_bShowGridLines( false )
{
// Get the fat bits color
// ------------------------------------------------------------------------
#if 0 // need to fix
dib_type::bitmap_type::pixel_type fatColor = GLOBAL_GetSettingInt(
"FatBitsColor", MakeDisplayPixelType( 0, 0, 0 )
);
m_FatBitsHColor = GLOBAL_GetSettingInt( "FatBitsHColor", fatColor );
m_FatBitsVColor = GLOBAL_GetSettingInt( "FatBitsVColor", fatColor );
#endif
// Get the fat bits color
// ------------------------------------------------------------------------
#if 0 // need to fix
dib_type::bitmap_type::pixel_type gridColor = GLOBAL_GetSettingInt(
"GridLinesColor", MakeDisplayPixelType( 255, 255, 255 )
);
m_GridLinesHColor = GLOBAL_GetSettingInt( "GridLinesHColor", gridColor );
m_GridLinesVColor = GLOBAL_GetSettingInt( "GridLinesVColor", gridColor );
#endif
// ------------------------------------------------------------------------
m_BackgroundRectCount = 0;
SetRectEmpty( &m_ForegroundRect );
for ( int i = 0; i < 4; i++ ) {
SetRectEmpty( &m_BackgroundRects[ i ] );
}
}
CDitherStudioView::~CDitherStudioView()
{
}
BOOL CDitherStudioView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CScrollView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CDitherStudioView drawing
void CDitherStudioView::OnDraw(CDC* pDC)
{
CRect clipBox;
if ( NULLREGION != pDC->GetClipBox( &clipBox ) ) {
clipBox.InflateRect( 1, 1 );
// Make sure our display canvas is setup and correct
// --------------------------------------------------------------------
CRect lpClipBox( clipBox );
pDC->LPtoDP( &lpClipBox );
#if !defined(BPTVIEW_USE_GDI_STRETCH)
M_EnsureCanvasRect( &clipBox, &lpClipBox );
#endif
// Finally do some drawing
// --------------------------------------------------------------------
if ( m_pDisplayDibSection ) {
// Draw the bitmap data
// ----------------------------------------------------------------
CPoint backOff( 0, 0 );
CPoint at( m_ForegroundRect.left, m_ForegroundRect.top );
if ( CSize(1,1) == m_Zoom ) {
BPT::T_BlitAt( pDC->GetSafeHdc(), at.x, at.y, *m_pDisplayDibSection );
} else {
CPoint scroll = GetScrollPosition();
backOff = scroll;
CRect limitedSrcRect( CPoint( 0, 0 ), m_LogicalCanvasSize );
#if !defined(BPTVIEW_USE_GDI_STRETCH)
BPT::T_BlitAt(
pDC->GetSafeHdc(), scroll.x + at.x, scroll.y + at.y, *m_pDisplayDibSection,
1.0f, 1.0f, &limitedSrcRect
);
#else
BPT::T_BlitAt(
pDC->GetSafeHdc(), at.x, at.y, *m_pNormalDibSection,
(float)m_Zoom.cx, (float)m_Zoom.cy, &limitedSrcRect
);
#endif
}
// Fill in the background rects if any
// ----------------------------------------------------------------
if ( m_BackgroundRectCount ) {
#if defined( USE_WINDOW_COLOR_FOR_BORDER )
CBrush br( GetSysColor( COLOR_WINDOW ) );
int patbltOp = PATCOPY;
CBrush * pOldBrush = pDC->SelectObject( &br );
#else
int patbltOp = WHITENESS;
#endif
clipBox.OffsetRect( -backOff.x, -backOff.y );
for ( int i = 0; i < m_BackgroundRectCount; i++ ) {
CRect intersection;
if ( intersection.IntersectRect( &clipBox, &m_BackgroundRects[ i ] ) ) {
pDC->PatBlt(
intersection.left + backOff.x, intersection.top + backOff.y,
intersection.Width(), intersection.Height(),
patbltOp
);
}
}
#if defined( USE_WINDOW_COLOR_FOR_BORDER )
if ( pOldBrush ) {
pDC->SelectObject( pOldBrush );
}
#endif
}
} else {
pDC->PatBlt(
clipBox.left, clipBox.top,
clipBox.right - clipBox.left,
clipBox.bottom - clipBox.top,
BLACKNESS
);
}
}
}
void CDitherStudioView::OnInitialUpdate()
{
// perform the simple init stuff
CScrollView::OnInitialUpdate();
M_SetupCanvasStructures( CSize( 1, 1 ), false, true );
#if 0
// try to make the size of the window the same size as the scroll view
// unless that would make it larger than the MDI client rect.
CFrameWnd * pFrame = GetParentFrame();
if ( pFrame ) {
CWnd * pWnd = pFrame->GetParent();
if ( pWnd ) {
CRect grandparentsClientRect;
pWnd->GetClientRect( &grandparentsClientRect );
pFrame->MoveWindow( &grandparentsClientRect );
ResizeParentToFit();
#if 0 // center
CRect rect;
pFrame->GetWindowRect( &rect );
int x = (grandparentsClientRect.Width() - rect.Width()) / 2;
int y = (grandparentsClientRect.Height() - rect.Height()) / 2;
rect.OffsetRect( x - rect.left, y - rect.top );
pFrame->MoveWindow( &rect );
#endif
}
}
#endif
SyncTitleBar();
// Try to force the menu to be what we really want.
// ------------------------------------------------------------------------
#if 0
doc_type* pDoc = GetDocument();
if ( pDoc ) {
pDoc->EnsureProperMenu( this );
}
#endif
}
/////////////////////////////////////////////////////////////////////////////
// CDitherStudioView diagnostics
#ifdef _DEBUG
void CDitherStudioView::AssertValid() const
{
CScrollView::AssertValid();
}
void CDitherStudioView::Dump(CDumpContext& dc) const
{
CScrollView::Dump(dc);
}
CDitherStudioView::doc_type* CDitherStudioView::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDitherStudioDoc)));
return (CDitherStudioView::doc_type*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CDitherStudioView message handlers
BOOL CDitherStudioView::OnEraseBkgnd(CDC* pDC)
{
CBrush br( GetSysColor( COLOR_WINDOW ) );
FillOutsideRect( pDC, &br );
return TRUE;
}
void CDitherStudioView::OnSize(UINT nType, int cx, int cy)
{
// if the display DIBSECTION is the same as the normal dibsection
// then we're done :)
// ------------------------------------------------------------------------
#if !defined(BPTVIEW_USE_GDI_STRETCH)
if ( m_pDisplayDibSection == &m_ZoomDibSection ) {
int nw = MINN( (m_pNormalDibSection->Width() * m_Zoom.cx), cx );
int nh = MINN( (m_pNormalDibSection->Height() * m_Zoom.cy), cy );
nw = ((nw + m_Zoom.cx - 1) / m_Zoom.cx) * m_Zoom.cx;
nh = ((nh + m_Zoom.cy - 1) / m_Zoom.cy) * m_Zoom.cy;
if ( M_NeedToResizeZoomDib( nw, nh ) ) {
if ( !m_ZoomDibSection.Create( nw, nh ) ) {
TRACE("Unable to create zoom dib section!");
}
}
}
#endif
// Setup the background / foreground rects
// ------------------------------------------------------------------------
SyncBorderSizes();
}
// ============================================================================
//
// CDitherStudioView::OnCancelMode()
//
void CDitherStudioView::OnCancelMode()
{
CScrollView::OnCancelMode();
if ( this == GetCapture() ) {
ReleaseCapture();
}
doc_type* pDoc = GetDocument();
ASSERT_VALID(pDoc);
pDoc->Dispatch_OnCancelMode( this );
}
//
// CDitherStudioView::OnLButtonDown()
//
void CDitherStudioView::OnLButtonDown(UINT nFlags, CPoint point)
{
doc_type* pDoc = GetDocument();
ASSERT_VALID(pDoc);
M_ClientToLogical( point );
pDoc->Dispatch_OnLButtonDown( this, nFlags, point );
SetCapture();
}
//
// CDitherStudioView::OnLButtonUp()
//
void CDitherStudioView::OnLButtonUp(UINT nFlags, CPoint point)
{
if ( this == GetCapture() ) ReleaseCapture();
doc_type* pDoc = GetDocument();
ASSERT_VALID(pDoc);
M_ClientToLogical( point );
pDoc->Dispatch_OnLButtonUp( this, nFlags, point );
}
//
// CDitherStudioView::OnMouseMove()
//
void CDitherStudioView::OnMouseMove(UINT nFlags, CPoint point)
{
doc_type* pDoc = GetDocument();
ASSERT_VALID(pDoc);
M_ClientToLogical( point );
pDoc->Dispatch_OnMouseMove( this, nFlags, point );
#if 0
if ( (MK_MBUTTON & nFlags) || m_bLiveTrackOtherViews ) {
if ( m_bCenterOtherViewsOnMButton ) {
OnVcmdRequestOthersCenterOnCursor();
}
}
#endif
}
//
// CDitherStudioView::OnRButtonDown()
//
void CDitherStudioView::OnRButtonDown(UINT nFlags, CPoint point)
{
doc_type* pDoc = GetDocument();
ASSERT_VALID(pDoc);
M_ClientToLogical( point );
pDoc->Dispatch_OnRButtonDown( this, nFlags, point );
SetCapture();
}
//
// CDitherStudioView::OnRButtonUp()
//
void CDitherStudioView::OnRButtonUp(UINT nFlags, CPoint point)
{
if ( this == GetCapture() ) ReleaseCapture();
doc_type* pDoc = GetDocument();
ASSERT_VALID(pDoc);
M_ClientToLogical( point );
pDoc->Dispatch_OnRButtonUp( this, nFlags, point );
}
//
// CDitherStudioView::OnMButtonDown()
//
void CDitherStudioView::OnMButtonDown(UINT nFlags, CPoint point)
{
doc_type* pDoc = GetDocument();
ASSERT_VALID(pDoc);
M_ClientToLogical( point );
pDoc->Dispatch_OnMButtonDown( this, nFlags, point );
#if 0
if ( m_bCenterOtherViewsOnMButton ) {
OnVcmdRequestOthersCenterOnCursor();
}
#endif
SetCapture();
}
//
// CDitherStudioView::OnMButtonUp()
//
void CDitherStudioView::OnMButtonUp(UINT nFlags, CPoint point)
{
if ( this == GetCapture() ) ReleaseCapture();
doc_type* pDoc = GetDocument();
ASSERT_VALID(pDoc);
M_ClientToLogical( point );
pDoc->Dispatch_OnMButtonUp( this, nFlags, point );
#if 0
if ( m_bCenterOtherViewsOnMButton ) {
OnVcmdRequestOthersCenterOnCursor();
}
#endif
}
//
// CDitherStudioView::OnMButtonDblClk()
//
void CDitherStudioView::OnMButtonDblClk(UINT nFlags, CPoint point)
{
#if 0
doc_type* pDoc = GetDocument();
ASSERT_VALID(pDoc);
M_ClientToLogical( point );
M_CenterLogicalPoint( point );
if ( m_bCenterOtherViewsOnMButton ) {
if ( MK_CONTROL & nFlags ) {
m_bLiveTrackOtherViews = !m_bLiveTrackOtherViews;
}
OnVcmdRequestOthersCenterOnCursor();
}
CursorPosToLogical( point );
pDoc->Dispatch_OnMouseMove( this, nFlags, point );
#endif
}
// ============================================================================
//
// CDitherStudioView::M_GetCanvasDib()
//
CDitherStudioView::dib_type *
CDitherStudioView::M_GetCanvasDib()
{
doc_type* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// Get down to business and ask for either the edit or composite dib
// ------------------------------------------------------------------------
if ( m_bRawView ) {
return pDoc->GetRawViewDib();
}
return pDoc->GetDitheredViewDib();
}
//
// CDitherStudioView::M_NeedToResizeZoomDib()
//
#if !defined(BPTVIEW_USE_GDI_STRETCH)
bool
CDitherStudioView::M_NeedToResizeZoomDib( const int cx, const int cy )
{
return
((m_ZoomDibSection.Width() < cx) ||
(m_ZoomDibSection.Height() < cy));
}
#endif
//
// CDitherStudioView::M_EnsureCanvasRect()
//
#if !defined(BPTVIEW_USE_GDI_STRETCH)
void
CDitherStudioView::M_EnsureCanvasRect( const CRect * pLPRect, const CRect *pDPRect )
{
// if the display DIBSECTION is the same as the normal dibsection
// then we're done :)
// ------------------------------------------------------------------------
if ( m_pDisplayDibSection == m_pNormalDibSection ) {
return /* nop */;
}
RECT smallestUpdateRect;
RECT * pOperationClipRect;
// Change the size of the zoom bitmap?
// ------------------------------------------------------------------------
CRect clientRect;
GetClientRect( &clientRect );
int nw = MINN( (m_pNormalDibSection->Width() * m_Zoom.cx), clientRect.Width() );
int nh = MINN( (m_pNormalDibSection->Height() * m_Zoom.cy), clientRect.Height() );
nw = ((nw + m_Zoom.cx - 1) / m_Zoom.cx) * m_Zoom.cx;
nh = ((nh + m_Zoom.cy - 1) / m_Zoom.cy) * m_Zoom.cy;
if ( M_NeedToResizeZoomDib( nw, nh ) ) {
if ( !m_ZoomDibSection.Create( nw, nh ) ) {
TRACE("Unable to create zoom dib section!");
ASSERT(false);
}
pOperationClipRect = 0;
} else {
if ( pDPRect ) {
smallestUpdateRect = *pDPRect;
OffsetRect( &smallestUpdateRect, -m_ForegroundRect.left, -m_ForegroundRect.top );
pOperationClipRect = &smallestUpdateRect;
TRACE("smallest operation (%d,%d) %dx%d\n",
smallestUpdateRect.left, smallestUpdateRect.top,
smallestUpdateRect.right - smallestUpdateRect.left,
smallestUpdateRect.bottom - smallestUpdateRect.top);
} else {
pOperationClipRect = 0;
}
}
// Need to 'zoom' the canvas...
// ------------------------------------------------------------------------
CPoint scroll = GetScrollPosition();
#if 1
// this isn't bug free yet either but at least it doesn't crash as often needs more work
BPT::T_FixedPointScaleUpBlit(
m_Zoom.cx,
m_Zoom.cy,
*m_ZoomDibSection.GetBitmapPtr(),
0, //-scroll.x,
0, //-scroll.y,
*m_pNormalDibSection->GetBitmapPtr(),
BPT::TCopyROP< dib_type::bitmap_type::pixel_type >(),
0,
pOperationClipRect
);
#else
// This code is buggy and causes pagefaults don't use unless you are willing to fix it...
BPT::T_TableScaleUpBlit(
*m_ZoomDibSection.GetBitmapPtr(),
-scroll.x,
-scroll.y,
*m_pNormalDibSection->GetBitmapPtr(),
(m_pNormalDibSection->Width() * m_Zoom.cx),
(m_pNormalDibSection->Height() * m_Zoom.cy),
BPT::TCopyROP< dib_type::bitmap_type::pixel_type >(),
0,
pOperationClipRect
);
#endif
// Render the 'fat bits'
// ------------------------------------------------------------------------
if ( m_bFatBitLines && ((1 != m_Zoom.cx) && (1 != m_Zoom.cy)) ) {
dib_type::bitmap_type * pBitmap = m_ZoomDibSection.GetBitmapPtr();
int fw = m_pNormalDibSection->Width();
int fh = m_pNormalDibSection->Height();
int fsw = fw * m_Zoom.cx;
int fsh = fh * m_Zoom.cy;
// Draw the -h- fat bit lines
// ------------------------------------------------------------------------
int yo = -scroll.y;
for ( int fy = 0; fy < fh; fy++ ) {
BPT::T_HLinePrim(
*pBitmap, 0, yo, fsw, m_FatBitsHColor,
BPT::TCopyROP< dib_type::bitmap_type::pixel_type >(),
pOperationClipRect
);
yo += m_Zoom.cy;
}
// Draw the -v- fat bit lines
// ------------------------------------------------------------------------
int xo = -scroll.x;
for ( int fx = 0; fx < fw; fx++ ) {
BPT::T_VLinePrim(
*pBitmap, xo, 0, fsh, m_FatBitsVColor,
BPT::TCopyROP< dib_type::bitmap_type::pixel_type >(),
pOperationClipRect
);
xo += m_Zoom.cx;
}
}
}
#endif
//
// SyncBorderSizes()
//
void
CDitherStudioView::SyncBorderSizes()
{
// ------------------------------------------------------------------------
m_LogicalCanvasSize.cx = m_PhysicalCanvasSize.cx * m_Zoom.cx;
m_LogicalCanvasSize.cy = m_PhysicalCanvasSize.cy * m_Zoom.cy;
// ------------------------------------------------------------------------
CRect clientRect;
GetClientRect( &clientRect );
// ------------------------------------------------------------------------
int lastCount = m_BackgroundRectCount;
#if defined( BPTVIEW_USE_CENTER_BORDER_CODE )
if ( (clientRect.Width() > m_LogicalCanvasSize.cx) ||
(clientRect.Height() > m_LogicalCanvasSize.cy) ) {
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// ICKY ICKY ICKY
CRect backgroundClipRect = clientRect;
// find the center
CSize clientSize = clientRect.Size();
if ( clientSize.cx > m_LogicalCanvasSize.cx ) {
m_ViewCanvasSize.cx = clientSize.cx;
m_ForegroundRect.left = (clientSize.cx - m_LogicalCanvasSize.cx) / 2;
} else {
m_ViewCanvasSize.cx = m_LogicalCanvasSize.cx;
m_ForegroundRect.left = 0;
backgroundClipRect.right += (m_LogicalCanvasSize.cx - clientSize.cx);
}
m_ForegroundRect.right = m_ForegroundRect.left + m_LogicalCanvasSize.cx;
// --------
if ( clientSize.cy > m_LogicalCanvasSize.cy ) {
m_ViewCanvasSize.cy = clientSize.cy;
m_ForegroundRect.top = (clientSize.cy - m_LogicalCanvasSize.cy) / 2;
} else {
m_ViewCanvasSize.cy = m_LogicalCanvasSize.cy;
m_ForegroundRect.top = 0;
backgroundClipRect.bottom += (m_LogicalCanvasSize.cy - clientSize.cy);
}
m_ForegroundRect.bottom = m_ForegroundRect.top + m_LogicalCanvasSize.cy;
// --------
m_BackgroundRectCount = BPT::ReturnExternalClipRects(
m_BackgroundRects, &backgroundClipRect, &m_ForegroundRect
);
// <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
// ICKY ICKY ICKY
} else {
#endif
m_BackgroundRectCount = 0;
m_ForegroundRect.left = 0;
m_ForegroundRect.top = 0;
m_ForegroundRect.right = m_LogicalCanvasSize.cx;
m_ForegroundRect.bottom = m_LogicalCanvasSize.cy;
m_ViewCanvasSize = m_LogicalCanvasSize;
#if defined( BPTVIEW_USE_CENTER_BORDER_CODE )
}
#endif
#if 1
SetScrollSizes(MM_TEXT, m_ViewCanvasSize );
#endif
// ------------------------------------------------------------------------
InvalidateRect( NULL, false );
}
//
// CDitherStudioView::M_SetupCanvasStructures()
//
void
CDitherStudioView::M_SetupCanvasStructures( const CSize & zoom, const bool invalidateWindow, const bool bCenter )
{
// ------------------------------------------------------------------------
m_pNormalDibSection = M_GetCanvasDib();
CSize size( m_pNormalDibSection->Width(), m_pNormalDibSection->Height() );
// Set the display dib
// ------------------------------------------------------------------------
#if defined(BPTVIEW_USE_GDI_STRETCH)
if (CSize(1, 1) != zoom) {