302 lines
9.9 KiB
C++
302 lines
9.9 KiB
C++
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//
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// pgsetup.cpp
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//
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// implementation of the CPageSetupData class
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//
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#include "stdafx.h"
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#include "resource.h"
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#include "dlgs.h"
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#include "pgsetup.h"
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/***************************************************************************/
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#define FIXED_FLOATPT_MULTDIV 100000
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/***************************************************************************/
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VOID CPageSetupData::UpdateControls(HWND hDlg)
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{
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CheckDlgButton(hDlg, IDC_HORIZONTALLY, bCenterHorizontally);
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CheckDlgButton(hDlg, IDC_VERTICALLY, bCenterVertically);
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CheckDlgButton(hDlg, IDC_ADJUST_TO, !bScaleFitTo);
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SetDlgItemInt(hDlg, IDC_PERCENT_NORMAL_SIZE, nAdjustToPercent, FALSE);
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EnableWindow(GetDlgItem(hDlg, IDC_PERCENT_NORMAL_SIZE), !bScaleFitTo);
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EnableWindow(GetDlgItem(hDlg, IDC_STR_PERCENT_NORMAL_SIZE), !bScaleFitTo);
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CheckDlgButton(hDlg, IDC_FIT_TO, bScaleFitTo);
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SetDlgItemInt(hDlg, IDC_PAGES_WIDE, nFitToPagesWide, FALSE);
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EnableWindow(GetDlgItem(hDlg, IDC_PAGES_WIDE), bScaleFitTo);
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EnableWindow(GetDlgItem(hDlg, IDC_STR_PAGES_WIDE), bScaleFitTo);
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SetDlgItemInt(hDlg, IDC_PAGES_TALL, nFitToPagesTall, FALSE);
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EnableWindow(GetDlgItem(hDlg, IDC_PAGES_TALL), bScaleFitTo);
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EnableWindow(GetDlgItem(hDlg, IDC_STR_PAGES_TALL), bScaleFitTo);
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InvalidateRect(GetDlgItem(hDlg, rct1), 0, TRUE);
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}
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/***************************************************************************/
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VOID CPageSetupData::UpdateValue(HWND hDlg, int nIDDlgItem, UINT *pnResult)
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{
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BOOL bTranslated;
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UINT nResult = GetDlgItemInt(hDlg, nIDDlgItem, &bTranslated, FALSE);
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if (bTranslated && nResult != 0)
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{
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*pnResult = nResult;
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InvalidateRect(GetDlgItem(hDlg, rct1), 0, TRUE);
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}
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}
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/***************************************************************************/
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UINT_PTR APIENTRY CPageSetupData::PageSetupHook(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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switch (uMsg)
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{
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case WM_INITDIALOG:
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{
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LPPAGESETUPDLG ppsd = (LPPAGESETUPDLG) lParam;
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SetWindowLongPtr(hDlg, GWLP_USERDATA, (LONG_PTR) lParam);
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CPageSetupData *that = (CPageSetupData *) ppsd->lCustData;
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SendDlgItemMessage(hDlg, IDC_PERCENT_NORMAL_SIZE, EM_LIMITTEXT, 4, 0);
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SendDlgItemMessage(hDlg, IDC_PAGES_WIDE, EM_LIMITTEXT, 2, 0);
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SendDlgItemMessage(hDlg, IDC_PAGES_TALL, EM_LIMITTEXT, 2, 0);
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that->UpdateControls(hDlg);
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break;
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}
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case WM_COMMAND:
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{
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LPPAGESETUPDLG ppsd = (LPPAGESETUPDLG) GetWindowLongPtr(hDlg, GWLP_USERDATA);
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CPageSetupData *that = ppsd ? (CPageSetupData *) ppsd->lCustData : 0;
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switch (LOWORD(wParam))
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{
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case IDC_HORIZONTALLY:
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{
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if (HIWORD(wParam) == BN_CLICKED)
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{
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that->bCenterHorizontally = !that->bCenterHorizontally;
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that->UpdateControls(hDlg);
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}
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return TRUE;
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}
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case IDC_VERTICALLY:
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{
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if (HIWORD(wParam) == BN_CLICKED)
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{
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that->bCenterVertically = !that->bCenterVertically;
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that->UpdateControls(hDlg);
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}
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return TRUE;
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}
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case IDC_ADJUST_TO:
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{
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if (HIWORD(wParam) == BN_CLICKED)
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{
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that->bScaleFitTo = FALSE;
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that->UpdateControls(hDlg);
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}
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return TRUE;
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}
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case IDC_FIT_TO:
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{
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if (HIWORD(wParam) == BN_CLICKED)
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{
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that->bScaleFitTo = TRUE;
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that->UpdateControls(hDlg);
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}
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return TRUE;
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}
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case IDC_PERCENT_NORMAL_SIZE:
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{
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if (HIWORD(wParam) == EN_CHANGE)
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{
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UpdateValue(hDlg, IDC_PERCENT_NORMAL_SIZE, &that->nAdjustToPercent);
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}
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else if (HIWORD(wParam) == EN_KILLFOCUS)
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{
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SetDlgItemInt(hDlg, IDC_PERCENT_NORMAL_SIZE, that->nAdjustToPercent, FALSE);
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}
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return TRUE;
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}
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case IDC_PAGES_WIDE:
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{
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if (HIWORD(wParam) == EN_CHANGE)
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{
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UpdateValue(hDlg, IDC_PAGES_WIDE, &that->nFitToPagesWide);
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}
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else if (HIWORD(wParam) == EN_KILLFOCUS)
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{
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SetDlgItemInt(hDlg, IDC_PAGES_WIDE, that->nFitToPagesWide, FALSE);
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}
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return TRUE;
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}
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case IDC_PAGES_TALL:
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{
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if (HIWORD(wParam) == EN_CHANGE)
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{
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UpdateValue(hDlg, IDC_PAGES_TALL, &that->nFitToPagesTall);
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}
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else if (HIWORD(wParam) == EN_KILLFOCUS)
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{
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SetDlgItemInt(hDlg, IDC_PAGES_TALL, that->nFitToPagesTall, FALSE);
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}
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return TRUE;
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}
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}
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break;
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}
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}
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return FALSE;
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}
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/***************************************************************************/
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VOID
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CPageSetupData::CalculateImageRect(
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const CSize &PhysicalPageSize,
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CPoint &PhysicalOrigin,
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CSize &PhysicalScaledImageSize
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)
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{
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// Find the scaled image size and the total page size required to print that image
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LONG nPhysicalTotalPageWidth;
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LONG nPhysicalTotalPageHeight;
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if (bScaleFitTo)
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{
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nPhysicalTotalPageWidth = PhysicalPageSize.cx * nFitToPagesWide;
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nPhysicalTotalPageHeight = PhysicalPageSize.cy * nFitToPagesTall;
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// Keep the aspect ratio; try the match the width first and if it fails, match the height
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PhysicalScaledImageSize.cx = nPhysicalTotalPageWidth;
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PhysicalScaledImageSize.cy = (LONG) (fPhysicalImageHeight * nPhysicalTotalPageWidth / fPhysicalImageWidth);
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if (PhysicalScaledImageSize.cy > nPhysicalTotalPageHeight)
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{
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PhysicalScaledImageSize.cx = (LONG) (fPhysicalImageWidth * nPhysicalTotalPageHeight / fPhysicalImageHeight);
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PhysicalScaledImageSize.cy = nPhysicalTotalPageHeight;
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}
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}
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else
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{
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PhysicalScaledImageSize.cx = (LONG) (fPhysicalImageWidth * nAdjustToPercent / 100);
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PhysicalScaledImageSize.cy = (LONG) (fPhysicalImageHeight * nAdjustToPercent / 100);
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nFitToPagesWide = (PhysicalScaledImageSize.cx + PhysicalPageSize.cx - 1) / PhysicalPageSize.cx;
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nFitToPagesTall = (PhysicalScaledImageSize.cy + PhysicalPageSize.cy - 1) / PhysicalPageSize.cy;
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nPhysicalTotalPageWidth = PhysicalPageSize.cx * nFitToPagesWide;
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nPhysicalTotalPageHeight = PhysicalPageSize.cy * nFitToPagesTall;
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}
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PhysicalOrigin.x = bCenterHorizontally ? (nPhysicalTotalPageWidth - PhysicalScaledImageSize.cx) / 2 : 0;
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PhysicalOrigin.y = bCenterVertically ? (nPhysicalTotalPageHeight - PhysicalScaledImageSize.cy) / 2 : 0;
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}
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/***************************************************************************/
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UINT_PTR APIENTRY CPageSetupData::PagePaintHook(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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switch (uMsg)
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{
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case WM_PSD_PAGESETUPDLG:
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{
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SetWindowLongPtr(hDlg, GWLP_USERDATA, (LONG_PTR) lParam);
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break;
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}
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case WM_PSD_GREEKTEXTRECT:
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{
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LPPAGESETUPDLG ppsd = (LPPAGESETUPDLG) GetWindowLongPtr(hDlg, GWLP_USERDATA);
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CPageSetupData *that = (CPageSetupData *) ppsd->lCustData;
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CRect *pOutputWindowRect = (CRect *) lParam;
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// Find the physical size of the page
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CSize PhysicalPageSize;
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PhysicalPageSize.cx = ppsd->ptPaperSize.x - ppsd->rtMargin.left - ppsd->rtMargin.right;
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PhysicalPageSize.cy = ppsd->ptPaperSize.y - ppsd->rtMargin.top - ppsd->rtMargin.bottom;
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CPoint PhysicalOrigin;
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CSize PhysicalScaledImageSize;
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that->CalculateImageRect(PhysicalPageSize, PhysicalOrigin, PhysicalScaledImageSize);
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// Find the scaling ratios for the preview window
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double fWidthRatio = (double) pOutputWindowRect->Width() / PhysicalPageSize.cx;
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double fHeightRatio = (double) pOutputWindowRect->Height() / PhysicalPageSize.cy;
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// Find the size of the image rectangle on the preview window
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CRect OutputImageRect;
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OutputImageRect.left = pOutputWindowRect->left + (int) (fWidthRatio * PhysicalOrigin.x);
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OutputImageRect.top = pOutputWindowRect->top + (int) (fHeightRatio * PhysicalOrigin.y);
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OutputImageRect.right = OutputImageRect.left + (int) (fWidthRatio * PhysicalScaledImageSize.cx);
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OutputImageRect.bottom = OutputImageRect.top + (int) (fHeightRatio * PhysicalScaledImageSize.cy);
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// Draw a rectangle with crossing lines
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CDC *pDC = CDC::FromHandle((HDC) wParam);
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CGdiObject *pOldPen = pDC->SelectStockObject(BLACK_PEN);
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CGdiObject *pOldBrush = pDC->SelectStockObject(LTGRAY_BRUSH);
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pDC->Rectangle(OutputImageRect);
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pDC->MoveTo(OutputImageRect.left, OutputImageRect.top);
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pDC->LineTo(OutputImageRect.right - 1, OutputImageRect.bottom - 1);
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pDC->MoveTo(OutputImageRect.left, OutputImageRect.bottom - 1);
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pDC->LineTo(OutputImageRect.right - 1, OutputImageRect.top);
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pDC->SelectObject(pOldPen);
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pDC->SelectObject(pOldBrush);
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return TRUE;
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}
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}
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return FALSE;
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}
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