void CEnvelopeWizard::SetImageSize(CAGSymImage* pImage, POINT* pCenterPoint)
{
if (!pImage)
return;
// The image symbol should be at (0,0) and have a unity matrix
CRect DestRect = pImage->GetDestRect();
DestRect.MoveToXY(0,0);
pImage->SetDestRect(DestRect);
// Maintain a maximum image size using the symbol's matrix
CAGMatrix NewMatrix;
if (DestRect.Width() > m_nMaxImageSize || DestRect.Height() > m_nMaxImageSize)
{
int dx = m_nMaxImageSize;
int dy = m_nMaxImageSize;
double fScale = ScaleToFit(&dx, &dy, DestRect.Width(), DestRect.Height(), true/*bUseSmallerFactor*/);
NewMatrix.Scale(fScale, fScale);
NewMatrix.Transform(DestRect);
}
if (pCenterPoint)
NewMatrix.Translate(pCenterPoint->x - DestRect.Width()/2, pCenterPoint->y - DestRect.Height()/2);
pImage->SetMatrix(NewMatrix);
}
void CDocWindow::HandleImageRecolor(int x, int y, CImageObject* pObject)
{
if (pObject == NULL)
return;
BITMAPINFOHEADER* pBitmap = pObject->GetDib();
if (pBitmap != NULL)
{
CRect DestRect = pObject->GetDestRect();
CFloodFill FloodFill;
CAGMatrix Matrix;
CPoint pt(x, y);
if (m_pClientDC)
m_pClientDC->GetViewToDeviceMatrix().Inverse().Transform(pt);
double xScale = (double)DibWidth(pBitmap) / DestRect.Width();
double yScale = (double)DibHeight(pBitmap) / DestRect.Height();
Matrix.Translate(-DestRect.left, -DestRect.top);
Matrix.Scale(xScale, yScale, 0, 0);
Matrix.Transform(pt);
FloodFill.Fill(pBitmap, &DestRect, pt.x, pt.y, (m_fUsePrimaryColor ? m_PrimaryColor : m_SecondaryColor));
}
// Invalidate the image's current location
InvalidateImage(pObject);
pObject->SetModified(true);
//if (pDIBNew)
//{
// pObject->SetDib(pDIBNew);
// free(pDIB);
//}
//else
//{
// // Adjust the image's matrix
// CRect DestRect = pObject->GetDestRect();
// CAGMatrix Matrix = pObject->GetMatrix();
// Matrix.Transform(DestRect);
// Matrix.Scale((bFlipX ? -1 : 1), (bFlipY ? -1 : 1),
// (DestRect.left + DestRect.right) / 2,
// (DestRect.top + DestRect.bottom) / 2);
// pObject->SetMatrix(Matrix);
//}
}
void CDocWindow::SetupPageView(bool bSetScrollbars)
{
#define OUTSIDE_PADDING_X 10
#define OUTSIDE_PADDING_Y 10
if (!m_hWnd)
return;
if (!m_pClientDC)
return;
if (m_PageRect.IsRectEmpty())
return;
// Suspend any selection tracking
m_Select.SuspendTracking();
// Clear the old page from the offscreen DC
m_pClientDC->Clear();
// Invalidate the old page rect (m_PageViewRect) before we change it
InvalidatePage();
// Now figure out how much window area we have for the document display
CRect WndRect;
GetClientRect(&WndRect);
// Subtract the outside padding
WndRect.bottom -= m_ShadowSize.cx;
WndRect.right -= m_ShadowSize.cy;
WndRect.InflateRect(-OUTSIDE_PADDING_X, -OUTSIDE_PADDING_Y);
// Convert to Document coordinates
m_pClientDC->GetDeviceMatrix().Inverse().Transform(WndRect);
int xVisible = WndRect.Width();
int yVisible = WndRect.Height();
// Fit the extended page into the available window space
int dxPage = m_PageRect.Width();
int dyPage = m_PageRect.Height();
if (!dxPage) dxPage = 1;
if (!dyPage) dyPage = 1;
double fxPageScale = (double)xVisible / dxPage;
double fyPageScale = (double)yVisible / dyPage;
double fFitInWindowScale = min(fxPageScale, fyPageScale);
if (!fFitInWindowScale) fFitInWindowScale = 1.0;
// Default the scroll position to the center of the current page
int xPos = -1;
int yPos = -1;
// Special setting to indicate a zoom into the center of the SELECTED OBJECT
if (m_fZoomScale == -1.0 && m_Select.GetSelected())
{
CRect DestRect = m_Select.GetSelected()->GetDestRectTransformed();
int dxObject = DestRect.Width();
int dyObject = DestRect.Height();
if (!dxObject) dxObject = 1;
if (!dyObject) dyObject = 1;
double fxObjectScale = (double)xVisible / dxObject;
double fyObjectScale = (double)yVisible / dyObject;
double fFitScaleObject = min(fxObjectScale, fyObjectScale);
m_fZoomScale = fFitScaleObject / fFitInWindowScale;
m_iZoom = dtoi(m_fZoomScale - 1.0);
// Set the (x,y) position to be the center of the object
xPos = (DestRect.left + DestRect.right) / 2;
yPos = (DestRect.top + DestRect.bottom) / 2;
}
// Special setting to indicate a zoom into the width of the FULL PAGE
if (m_fZoomScale <= 0)
{
m_fZoomScale = fxPageScale / fFitInWindowScale;
m_iZoom = dtoi(m_fZoomScale - 1.0);
}
// Compute the scale and adjust the visible area
double fScale = fFitInWindowScale * m_fZoomScale;
xVisible = dtoi((double)xVisible / fScale);
yVisible = dtoi((double)yVisible / fScale);
// If the (x,y) position was set to the object center, adjust it by 1/2 the visible area
if (xPos >= 0 || yPos >= 0)
{
xPos -= xVisible / 2;
yPos -= yVisible / 2;
}
// Setup the scrollbars
if (bSetScrollbars)
SetupScrollbars(xPos, yPos, dxPage, dyPage, xVisible, yVisible, true/*bRedraw*/);
// Get the updated position
xPos = GetScrollPos(SB_HORZ);
yPos = GetScrollPos(SB_VERT);
// Calculate a view matrix
int xExcess = xVisible - dxPage; if (xExcess < 0) xExcess = 0;
int yExcess = yVisible - dyPage; if (yExcess < 0) yExcess = 0;
CAGMatrix ViewMatrix;
ViewMatrix.Translate(xExcess/2 - xPos, yExcess/2 - yPos);
ViewMatrix.Scale(fScale, fScale);
ViewMatrix.Translate(WndRect.left, WndRect.top);
m_pClientDC->SetViewingMatrix(ViewMatrix);
// Compute the new page view rectangle (screen coordinates)
CSize PageSize(m_PageRect.Width(), m_PageRect.Height());
m_pClientDC->SetClipToView(PageSize, &m_PageViewRect, true/*bIncludeRawDC*/);
// Invalidate the new page rect (m_PageViewRect) now that we've changed it
InvalidatePage();
// Resume any selection tracking
m_Select.ResumeTracking();
}