799 lines
22 KiB
C++
799 lines
22 KiB
C++
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/////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1996-1999 Microsoft Corporation
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//
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// Module Name:
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// Bitmap.cpp
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//
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// Abstract:
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// Implementation of the CMyBitmap class.
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//
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// Author:
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// David Potter (davidp) June 12, 1996
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//
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// Revision History:
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//
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/////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "Bitmap.h"
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#include "TraceTag.h"
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#include "ExcOper.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char BASED_CODE THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// Global Variables
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/////////////////////////////////////////////////////////////////////////////
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#ifdef _DEBUG
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CTraceTag g_tagBitmap(_T("Bitmap"), _T("Bitmap"));
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CTraceTag g_tagLoadBitmapResource(_T("Bitmap"), _T("LoadBitmapResource"));
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CMyBitmap
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/////////////////////////////////////////////////////////////////////////////
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// Array used for restoring the System Palette when a using a Custom Palette Bitmap.
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PALETTEENTRY CMyBitmap::s_rgpeSavedSystemPalette[nMaxSavedSystemPaletteEntries];
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CMyBitmap::CMyBitmap
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//
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// Routine Description:
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// Default constructor.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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//
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// Exceptions Thrown:
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// None.
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//--
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/////////////////////////////////////////////////////////////////////////////
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CMyBitmap::CMyBitmap(void)
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{
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m_hinst = NULL;
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m_pbiNormal = NULL;
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m_pbiHighlighted = NULL;
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m_pbBitmap = NULL;
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m_hPalette = NULL;
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m_nSavedSystemPalette = 0;
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SetCustomPalette(FALSE);
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} //*** CMyBitmap::CMyBitmap()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CMyBitmap::~CMyBitmap
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//
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// Routine Description:
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// Destructor.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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//
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// Exceptions Thrown:
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// None.
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//--
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/////////////////////////////////////////////////////////////////////////////
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CMyBitmap::~CMyBitmap(void)
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{
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delete [] (PBYTE) PbiNormal();
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delete [] (PBYTE) PbiHighlighted();
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delete [] (PBYTE) PbBitmap();
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// If we saved the System Palette Entries, we have a Palette, and the
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// number of colors for the Palette() is enough to restore the System
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// Palette entries...
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if (m_nSavedSystemPalette
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&& (HPalette() != NULL)
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&& (NColors() >= m_nSavedSystemPalette))
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{
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HDC hdcScreen;
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UINT nRestoredEntries;
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HPALETTE hOldPalette;
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Trace(g_tagBitmap, _T("Restoring Screen Palette HPalette()=0x%x..."), HPalette());
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Trace(g_tagBitmap, _T("Restoring Screen Palette Entries=%d"), m_nSavedSystemPalette);
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// Restore the System Palette Entries
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nRestoredEntries = ::SetPaletteEntries(HPalette(), 0, m_nSavedSystemPalette, s_rgpeSavedSystemPalette);
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Trace(g_tagBitmap, _T("Restored Screen Palette Entries=%d"), nRestoredEntries);
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// Get the Screen's HDC
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hdcScreen = ::GetDC(NULL);
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// Select the Palette into the Screen's HDC
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hOldPalette = ::SelectPalette(hdcScreen, HPalette(), FALSE);
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// Unrealize the Palette to insure all the colors are forced into the System Palette
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::UnrealizeObject(HPalette());
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// Force the local Palette's colors into the System Palette.
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::RealizePalette(hdcScreen);
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// Release the Screen's HDC
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::ReleaseDC(NULL, hdcScreen);
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// Invalidate the Screen completely so all windows are redrawn.
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::InvalidateRect(NULL, NULL, TRUE);
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}
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// Destroy the Handle to the locally created Custom Palette.
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if (HPalette() != NULL)
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::DeleteObject(HPalette());
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} //*** CMyBitmap::~CMyBitmap()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CMyBitmap::Load
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//
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// Purpose:
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// Loads a bitmap from the resource into memory.
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//
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// Arguments:
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// idBitmap id of the resource to load
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//
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// Return Value:
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// None.
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//
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// Exceptions Thrown:
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// Any exceptions thrown by LoadBitmapResource, CreatePallette,
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// CreatePALColorMapping, or new.
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//--
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/////////////////////////////////////////////////////////////////////////////
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void CMyBitmap::Load(ID idBitmap)
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{
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// Load the Bitmap Header Information, Color Mapping Information, and the Bitmap Image.
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LoadBitmapResource(
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idBitmap,
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Hinst(),
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MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL)
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);
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ASSERT(PbiNormal() != NULL);
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ASSERT(PbBitmap() != NULL);
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// Start by initializing some internal variables...
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m_dx = PbiNormal()->bmiHeader.biWidth;
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m_dy = PbiNormal()->bmiHeader.biHeight;
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ASSERT(PbiHighlighted() == NULL);
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if (BCustomPalette())
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{
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Trace(g_tagBitmap, _T("Load() - Creating Logical Palette"));
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// Save the System Palette Entries for use in the Destructor.
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SaveSystemPalette();
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// Create a Global HPalette() for use in the Paint() routine.
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CreatePalette();
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// Re-create the PbiNormal() for DIB_PAL_COLORS in the Paint() routine.
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CreatePALColorMapping();
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} // if: using a custom pallette
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else
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{
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// Create and Initialize the PbiHighlighted() for 16 color bitmaps.
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ASSERT(NColors() <= 16);
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Trace(g_tagBitmap, _T("Load() - Allocating PbiHighlighted()"));
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m_pbiHighlighted = (BITMAPINFO *) new BYTE[CbBitmapInfo()];
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if (m_pbiHighlighted != NULL)
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{
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::CopyMemory(PbiHighlighted(), PbiNormal(), CbBitmapInfo());
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} // if: bitmapinfo allocated successfully
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} // else: not using a custom pallette
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} //*** CMyBitmap::Load()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CMyBitmap::LoadBitmapResource
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//
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// Purpose:
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// Load a bitmap resource into the CMyBitmap class. This includes loading (a) bitmap
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// header information, (b) color mapping table, and (c) the actual bitmap.
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//
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// Arguments:
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// idbBitmap Resource id of the bitmap to load.
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// hinst Handle to the Module Instance
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// langid Language specific resource (possibly different bitmaps for localized strings [Japanese, etc.])
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//
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// Return Value:
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// None.
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//
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// Exceptions Thrown:
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// GetLastError from FindResourceEx, LoadResource, LockResource,
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// Any exceptions thrown by new.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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void CMyBitmap::LoadBitmapResource(ID idbBitmap, HINSTANCE hinst, LANGID langid)
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{
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HRSRC hrsrc = NULL;
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HGLOBAL hglbl = NULL;
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LPBITMAPINFO pBitmapInfo = NULL;
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LPBITMAPINFOHEADER pBitmapInfoHeader = NULL;
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LPRGBQUAD pRgbQuad = NULL;
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CB cbBitmapData;
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BYTE * pbImageBits;
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Trace(g_tagLoadBitmapResource, _T("LoadBitmapResource(%d) - Entering"), idbBitmap);
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ASSERT(idbBitmap != NULL);
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if (hinst == NULL)
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hinst = AfxGetApp()->m_hInstance;
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// We need to find the bitmap data which includes (a) header info, (b) color, and (c) the bitmap.
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hrsrc = ::FindResourceEx(hinst, RT_BITMAP, MAKEINTRESOURCE(idbBitmap), langid);
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if (hrsrc == NULL)
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{
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DWORD dwError = ::GetLastError();
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CString strError;
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if (dwError == ERROR_RESOURCE_NAME_NOT_FOUND)
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strError.Format(_T("Bitmap Resource %d Not Found. NT Error %d Loading Bitmap [Lang=%d, SubLang=%d]"),
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idbBitmap, dwError, PRIMARYLANGID(langid), SUBLANGID(langid));
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else
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strError.Format(_T("NT Error %d Attempting to Load Bitmap Resource %d [Lang=%d, SubLang=%d]"),
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dwError, idbBitmap, PRIMARYLANGID(langid), SUBLANGID(langid));
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Trace(g_tagAlways, _T("LoadBitmapResource() - Error '%s'"), strError);
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ThrowStaticException(dwError);
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} // if: error finding the resource
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hglbl = ::LoadResource(hinst, hrsrc);
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if (hglbl == NULL)
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ThrowStaticException(::GetLastError());
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pBitmapInfo = (LPBITMAPINFO) ::LockResource(hglbl);
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if (pBitmapInfo == NULL)
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ThrowStaticException(::GetLastError());
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cbBitmapData = ::SizeofResource(hinst, hrsrc);
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ASSERT(cbBitmapData != 0);
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Trace(g_tagLoadBitmapResource, _T("Bitmap Location = 0x%x"), pBitmapInfo);
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Trace(g_tagLoadBitmapResource, _T("Bitmap Data Size = %d bytes"), cbBitmapData);
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pBitmapInfoHeader = (LPBITMAPINFOHEADER) &pBitmapInfo->bmiHeader;
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ASSERT(pBitmapInfoHeader != NULL);
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Trace(g_tagLoadBitmapResource, _T("Bitmap Info Header = 0x%x"), pBitmapInfoHeader);
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ASSERT(pBitmapInfoHeader->biSize == sizeof(BITMAPINFOHEADER));
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Trace(g_tagLoadBitmapResource, _T("biSize=%d"), pBitmapInfoHeader->biSize);
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Trace(g_tagLoadBitmapResource, _T("biWidth=%d"), pBitmapInfoHeader->biWidth); // Width in Pixels
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Trace(g_tagLoadBitmapResource, _T("biHeight=%d"), pBitmapInfoHeader->biHeight); // Height in Pixels
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Trace(g_tagLoadBitmapResource, _T("biPlanes=%d"), pBitmapInfoHeader->biPlanes);
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Trace(g_tagLoadBitmapResource, _T("biBitCount=%d"), pBitmapInfoHeader->biBitCount);
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Trace(g_tagLoadBitmapResource, _T("biCompression=%d"), pBitmapInfoHeader->biCompression);
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Trace(g_tagLoadBitmapResource, _T("biSizeImage=%d"), pBitmapInfoHeader->biSizeImage);
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Trace(g_tagLoadBitmapResource, _T("biXPelsPerMeter=%d"), pBitmapInfoHeader->biXPelsPerMeter);
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Trace(g_tagLoadBitmapResource, _T("biYPelsPerMeter=%d"), pBitmapInfoHeader->biYPelsPerMeter);
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Trace(g_tagLoadBitmapResource, _T("biClrUsed=%d"), pBitmapInfoHeader->biClrUsed);
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Trace(g_tagLoadBitmapResource, _T("biClrImportant=%d"), pBitmapInfoHeader->biClrImportant);
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pRgbQuad = (LPRGBQUAD) &pBitmapInfo->bmiColors;
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ASSERT(pRgbQuad != NULL);
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Trace(g_tagLoadBitmapResource, _T("Bitmap Rgb Quad = 0x%x"), pRgbQuad);
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m_nColors = NColorsFromBitCount(pBitmapInfoHeader->biBitCount);
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m_cbColorTable = m_nColors * sizeof(RGBQUAD);
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m_cbBitmapInfo = sizeof(BITMAPINFOHEADER) + CbColorTable();
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Trace(g_tagLoadBitmapResource, _T("NColors()=%d"), NColors());
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Trace(g_tagLoadBitmapResource, _T("CbColorTable()=%d"), CbColorTable());
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Trace(g_tagLoadBitmapResource, _T("CbBitmapInfo()=%d"), CbBitmapInfo());
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ASSERT(PbiNormal() == NULL);
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// Allocate the Normal Bitmap Information
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m_pbiNormal = (LPBITMAPINFO) new BYTE[CbBitmapInfo()];
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if (m_pbiNormal == NULL)
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{
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return;
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} // if: error allocating the bitmapinfo structure
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// Fill PbiNormal() with the Loaded Resource (a) Bitmap Information and Color Mapping Table.
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::CopyMemory(PbiNormal(), pBitmapInfo, CbBitmapInfo());
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m_cbImageSize = pBitmapInfoHeader->biSizeImage;
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if ((m_cbImageSize == 0) && (pBitmapInfoHeader->biCompression == BI_RGB))
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m_cbImageSize = cbBitmapData - CbBitmapInfo();
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Trace(g_tagLoadBitmapResource, _T("Allocating Bitmap of size CbImageSize()=%d"), CbImageSize());
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ASSERT(cbBitmapData == CbBitmapInfo() + CbImageSize());
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ASSERT(PbBitmap() == NULL);
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// Allocate memory for the Bitmap Image
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m_pbBitmap = new BYTE[CbImageSize()];
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if (m_pbBitmap == NULL)
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||
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{
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return;
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||
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} // if: error allocating the bitmap image
|
||
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|
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pbImageBits = (BYTE *) pBitmapInfo + CbBitmapInfo();
|
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Trace(g_tagLoadBitmapResource, _T("Bitmap Location pbImageBits=0x%x"), pbImageBits);
|
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// Copy the Image Bits into the allocated memory.
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||
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::CopyMemory(PbBitmap(), pbImageBits, CbImageSize());
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} //*** CMyBitmap::LoadBitmapResource()
|
||
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|
||
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/////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// CMyBitmap::NColorsFromBitCount
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
// Compute the number of colors given the number of bits to represent color.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// nBitCount The number of bits used for color representation.
|
||
|
|
//
|
||
|
|
// Return Value:
|
||
|
|
// nColors Number of colors represented with nBitCount bits.
|
||
|
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//
|
||
|
|
//--
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
int CMyBitmap::NColorsFromBitCount(int nBitCount) const
|
||
|
|
{
|
||
|
|
int nColors;
|
||
|
|
|
||
|
|
switch (nBitCount)
|
||
|
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{
|
||
|
|
default:
|
||
|
|
nColors = 0;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 1:
|
||
|
|
nColors = 2;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 4:
|
||
|
|
nColors = 16;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 8:
|
||
|
|
nColors = 256;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return nColors;
|
||
|
|
|
||
|
|
} //*** CMyBitmap::NColorsFromBitCount()
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// CMyBitmap::SaveSystemPalette
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
// To save the System Palette Colors for use when a Custom Palette overwrites
|
||
|
|
// the System Palette entries. The Saved System Palette (s_rgpeSavedSystemPalette)
|
||
|
|
// is used in the CMyBitmap's destructor.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// None.
|
||
|
|
//
|
||
|
|
// Return Values:
|
||
|
|
// None.
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
void CMyBitmap::SaveSystemPalette(void)
|
||
|
|
{
|
||
|
|
HDC hdcScreen;
|
||
|
|
int nPaletteEntries;
|
||
|
|
int nSavedEntries;
|
||
|
|
|
||
|
|
// Get the Screen's HDC
|
||
|
|
hdcScreen = ::GetDC(NULL);
|
||
|
|
if (hdcScreen == NULL)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
} // if: couldn't get the screen DC
|
||
|
|
|
||
|
|
// Can only save the System Palette Colors when the Device's RC_PALETTE bit is set.
|
||
|
|
if (::GetDeviceCaps(hdcScreen, RASTERCAPS) & RC_PALETTE)
|
||
|
|
{
|
||
|
|
// Get the Number of System Palette Entries
|
||
|
|
nPaletteEntries = ::GetDeviceCaps(hdcScreen, SIZEPALETTE);
|
||
|
|
|
||
|
|
Trace(g_tagBitmap, _T("SaveSystemPalette() - nPaletteEntries=%d"), nPaletteEntries);
|
||
|
|
|
||
|
|
if ((nPaletteEntries > 0)
|
||
|
|
&& (nPaletteEntries <= nMaxSavedSystemPaletteEntries))
|
||
|
|
{
|
||
|
|
// Get the Current System Palette Entries
|
||
|
|
nSavedEntries = ::GetSystemPaletteEntries(hdcScreen, 0, nPaletteEntries, s_rgpeSavedSystemPalette);
|
||
|
|
|
||
|
|
// Set the number of Saved System Palette Entries list for use in OnDestroy().
|
||
|
|
if (nSavedEntries == nPaletteEntries)
|
||
|
|
{
|
||
|
|
Trace(g_tagBitmap, _T("SaveSystemPalette() - Saved System Palette Entries=%d"), nPaletteEntries);
|
||
|
|
m_nSavedSystemPalette = nPaletteEntries;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Release the Screen's HDC
|
||
|
|
::ReleaseDC(NULL, hdcScreen);
|
||
|
|
|
||
|
|
} //*** CMyBitmap::SaveSystemPalette()
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// CMyBitmap::CreatePalette
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
// Create a logical palette from the color mapping table embedded in the
|
||
|
|
// bitmap resource.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// None.
|
||
|
|
//
|
||
|
|
// Return Values:
|
||
|
|
// None.
|
||
|
|
//
|
||
|
|
// Exceptions Thrown:
|
||
|
|
// GetLastError from CreatePalette.
|
||
|
|
// Any exceptions thrown by new.
|
||
|
|
//--
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
void CMyBitmap::CreatePalette(void)
|
||
|
|
{
|
||
|
|
LPLOGPALETTE pLogicalPalette = NULL;
|
||
|
|
CB cbLogicalPalette;
|
||
|
|
int nColor;
|
||
|
|
LPPALETTEENTRY pPaletteEntry;
|
||
|
|
|
||
|
|
Trace(g_tagBitmap, _T("CreatePalette() - Entering"));
|
||
|
|
|
||
|
|
try
|
||
|
|
{
|
||
|
|
// Compute the size of the logical palette.
|
||
|
|
cbLogicalPalette = sizeof(LOGPALETTE) + (NColors() * sizeof(PALETTEENTRY));
|
||
|
|
|
||
|
|
Trace(g_tagBitmap, _T("CreatePalette() - cbLogicalPalette=%d"), cbLogicalPalette);
|
||
|
|
|
||
|
|
// Allocate the Logical Palette Memory
|
||
|
|
pLogicalPalette = (LPLOGPALETTE) new BYTE[cbLogicalPalette];
|
||
|
|
if (pLogicalPalette == NULL)
|
||
|
|
{
|
||
|
|
ThrowStaticException(GetLastError());
|
||
|
|
} // if: error allocating the Logical Palette Memory
|
||
|
|
|
||
|
|
ASSERT(pLogicalPalette != NULL);
|
||
|
|
ASSERT(PbiNormal() != NULL);
|
||
|
|
|
||
|
|
pLogicalPalette->palVersion = 0x300; // Windows 3.0
|
||
|
|
pLogicalPalette->palNumEntries = (WORD) NColors();
|
||
|
|
|
||
|
|
// Fill the Logical Palette's Color Information
|
||
|
|
for (nColor=0; nColor<NColors(); nColor++)
|
||
|
|
{
|
||
|
|
pPaletteEntry = &(pLogicalPalette->palPalEntry[nColor]);
|
||
|
|
|
||
|
|
pPaletteEntry->peRed = PbiNormal()->bmiColors[nColor].rgbRed;
|
||
|
|
pPaletteEntry->peGreen = PbiNormal()->bmiColors[nColor].rgbGreen;
|
||
|
|
pPaletteEntry->peBlue = PbiNormal()->bmiColors[nColor].rgbBlue;
|
||
|
|
pPaletteEntry->peFlags = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Create the NT Palette for use in the Paint Routine.
|
||
|
|
m_hPalette = ::CreatePalette(pLogicalPalette);
|
||
|
|
if (m_hPalette == NULL)
|
||
|
|
ThrowStaticException(::GetLastError());
|
||
|
|
|
||
|
|
ASSERT(HPalette() != NULL);
|
||
|
|
|
||
|
|
delete [] (PBYTE) pLogicalPalette;
|
||
|
|
} // try
|
||
|
|
catch (CException *)
|
||
|
|
{
|
||
|
|
delete pLogicalPalette;
|
||
|
|
throw;
|
||
|
|
} // catch: anything
|
||
|
|
|
||
|
|
} //*** CMyBitmap::CreatePalette()
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// CMyBitmap::CreatePALColorMapping
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
// Given BITMAPINFO in PbiNormal(), recreate the PbiNormal() into a
|
||
|
|
// DIB_PAL_COLORS format.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// None.
|
||
|
|
//
|
||
|
|
// Return Value:
|
||
|
|
// None.
|
||
|
|
//
|
||
|
|
// Exceptions Thrown:
|
||
|
|
// Any exceptions thrown by new.
|
||
|
|
//--
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
void CMyBitmap::CreatePALColorMapping(void)
|
||
|
|
{
|
||
|
|
LPBITMAPINFO pNewBitmapInfo = NULL;
|
||
|
|
CB cbNewBitmapInfo;
|
||
|
|
CB cbNewBitmapHeaderInfo;
|
||
|
|
BYTE * pbColorTable;
|
||
|
|
WORD wColor;
|
||
|
|
|
||
|
|
ASSERT(PbiNormal() != NULL);
|
||
|
|
ASSERT(PbiNormal()->bmiHeader.biSize == sizeof(BITMAPINFOHEADER));
|
||
|
|
// ASSERT(PbiNormal()->bmiHeader.biClrUsed == (UINT) NColors());
|
||
|
|
|
||
|
|
try
|
||
|
|
{
|
||
|
|
Trace(g_tagBitmap, _T("CreatePALColorMapping() - Entering"));
|
||
|
|
|
||
|
|
cbNewBitmapHeaderInfo = sizeof(BITMAPINFOHEADER);
|
||
|
|
|
||
|
|
Trace(g_tagBitmap, _T("CreatePALColorMapping() - cbNewBitmapHeaderInfo=%d"), cbNewBitmapHeaderInfo);
|
||
|
|
|
||
|
|
// New Bitmap Info is the Info Header plus the Color mapping information.
|
||
|
|
cbNewBitmapInfo = cbNewBitmapHeaderInfo + (NColors() * sizeof(WORD));
|
||
|
|
|
||
|
|
Trace(g_tagBitmap, _T("CreatePALColorMapping() - cbNewBitmapInfo=%d"), cbNewBitmapInfo);
|
||
|
|
|
||
|
|
// Allocate the New Bitmap Information
|
||
|
|
pNewBitmapInfo = (LPBITMAPINFO) new BYTE[cbNewBitmapInfo];
|
||
|
|
|
||
|
|
ASSERT(pNewBitmapInfo != NULL);
|
||
|
|
if (pNewBitmapInfo == NULL)
|
||
|
|
{
|
||
|
|
ThrowStaticException(GetLastError());
|
||
|
|
} // if: error allocating the new bitmapinfo structure
|
||
|
|
|
||
|
|
Trace(g_tagBitmap, _T("CreatePALColorMapping() - New Bitmap Info Location=0x%x"), pNewBitmapInfo);
|
||
|
|
|
||
|
|
// Copy the Header Information to the allocated memory.
|
||
|
|
::CopyMemory(pNewBitmapInfo, PbiNormal(), cbNewBitmapHeaderInfo);
|
||
|
|
|
||
|
|
// Create the Color Lookup Table.
|
||
|
|
pbColorTable = (BYTE *) (pNewBitmapInfo) + cbNewBitmapHeaderInfo;
|
||
|
|
|
||
|
|
ASSERT(pbColorTable + (NColors() * sizeof(WORD)) == (BYTE *) (pNewBitmapInfo) + cbNewBitmapInfo);
|
||
|
|
|
||
|
|
Trace(g_tagBitmap, _T("CreatePALColorMapping() - Filling %d Color Table at Location 0x%x"), NColors(), pbColorTable);
|
||
|
|
|
||
|
|
// Fill the PAL Color Lookup Table
|
||
|
|
for (wColor = 0 ; wColor < NColors() ; wColor++)
|
||
|
|
{
|
||
|
|
::CopyMemory(pbColorTable, &wColor, sizeof(WORD));
|
||
|
|
pbColorTable += sizeof(WORD);
|
||
|
|
}
|
||
|
|
|
||
|
|
delete [] (PBYTE) PbiNormal();
|
||
|
|
m_pbiNormal = pNewBitmapInfo;
|
||
|
|
m_cbBitmapInfo = cbNewBitmapInfo;
|
||
|
|
pNewBitmapInfo = NULL;
|
||
|
|
} // try
|
||
|
|
catch (CException *)
|
||
|
|
{
|
||
|
|
delete pNewBitmapInfo;
|
||
|
|
throw;
|
||
|
|
} // catch: anything
|
||
|
|
|
||
|
|
} //*** CMyBitmap::CreatePALColorMapping()
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// CMyBitmap::Paint
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
// Paints a sub-bitmap
|
||
|
|
//
|
||
|
|
// Parameters:
|
||
|
|
// hdc HDC to paint
|
||
|
|
// prect Where to position the bitmap:
|
||
|
|
// Only the upperleft corner is used
|
||
|
|
// bHighlighted Used to select the color map to use.
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
void CMyBitmap::Paint(HDC hdc, RECT * prect, BOOL bHighlighted)
|
||
|
|
{
|
||
|
|
LPBITMAPINFO pBitmapInfo;
|
||
|
|
UINT nColorUse;
|
||
|
|
HPALETTE hOldPalette = NULL;
|
||
|
|
|
||
|
|
ASSERT(hdc != NULL);
|
||
|
|
ASSERT(prect != NULL);
|
||
|
|
|
||
|
|
Trace(g_tagBitmap, _T("bHighlighted = %d"), bHighlighted);
|
||
|
|
|
||
|
|
#ifdef _DEBUG
|
||
|
|
{
|
||
|
|
int nPlanes;
|
||
|
|
int nBitsPerPixel;
|
||
|
|
int nBitCount;
|
||
|
|
|
||
|
|
nPlanes = ::GetDeviceCaps(hdc, PLANES);
|
||
|
|
nBitsPerPixel = ::GetDeviceCaps(hdc, BITSPIXEL);
|
||
|
|
nBitCount = nPlanes * nBitsPerPixel;
|
||
|
|
|
||
|
|
Trace(g_tagBitmap, _T("Paint() - nPlanes=%d"), nPlanes);
|
||
|
|
Trace(g_tagBitmap, _T("Paint() - nBitsPerPixel=%d"), nBitsPerPixel);
|
||
|
|
Trace(g_tagBitmap, _T("Paint() - nBitCount=%u"), nBitCount);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
try
|
||
|
|
{
|
||
|
|
if (BCustomPalette())
|
||
|
|
{
|
||
|
|
ASSERT(PbiNormal() != NULL);
|
||
|
|
ASSERT(HPalette() != NULL);
|
||
|
|
|
||
|
|
// Select the Custom Palette into the HDC about to be drawn...
|
||
|
|
hOldPalette = ::SelectPalette(hdc, HPalette(), FALSE); // FALSE causes the current Screen Palette to be Overwritten
|
||
|
|
if (hOldPalette == NULL)
|
||
|
|
ThrowStaticException(::GetLastError());
|
||
|
|
|
||
|
|
// Force the Palette colors into the System Palette
|
||
|
|
if (::RealizePalette(hdc) == GDI_ERROR)
|
||
|
|
ThrowStaticException(::GetLastError());
|
||
|
|
|
||
|
|
pBitmapInfo = PbiNormal();
|
||
|
|
nColorUse = DIB_PAL_COLORS;
|
||
|
|
|
||
|
|
#ifdef NEVER
|
||
|
|
pBitmapInfo = PbiNormal();
|
||
|
|
nColorUse = DIB_RGB_COLORS;
|
||
|
|
#endif
|
||
|
|
} // if: using a custom palette
|
||
|
|
else
|
||
|
|
{
|
||
|
|
ASSERT(NColors() <= 16);
|
||
|
|
ASSERT(PbiNormal() != NULL);
|
||
|
|
ASSERT(PbiHighlighted() != NULL);
|
||
|
|
pBitmapInfo = (bHighlighted ? PbiHighlighted() : PbiNormal());
|
||
|
|
nColorUse = DIB_RGB_COLORS;
|
||
|
|
} // else: not using a custom palette
|
||
|
|
|
||
|
|
::SetDIBitsToDevice(
|
||
|
|
hdc,
|
||
|
|
(int) prect->left, // X coordinate on screen.
|
||
|
|
(int) prect->top, // Y coordinate on screen.
|
||
|
|
(DWORD) Dx(), // cx to paint
|
||
|
|
(DWORD) Dy(), // cy to paint
|
||
|
|
// Note: (0,0) of the DIB is lower-left corner!?!
|
||
|
|
0, // In pbi, xLeft to paint
|
||
|
|
0, // In pbi, yLower to paint
|
||
|
|
0, // Start scan line
|
||
|
|
Dy(), // Number of scan lines
|
||
|
|
PbBitmap(), // The buffer description
|
||
|
|
pBitmapInfo, // Bitmap Information
|
||
|
|
nColorUse // DIB_RGB_COLORS or DIB_PAL_COLORS
|
||
|
|
);
|
||
|
|
} // try
|
||
|
|
catch (CException * pe)
|
||
|
|
{
|
||
|
|
pe->ReportError();
|
||
|
|
pe->Delete();
|
||
|
|
} // catch: CException
|
||
|
|
|
||
|
|
} //*** CMyBitmap::Paint()
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// CMyBitmap::LoadColors
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
// Loads the color maps based on the system settings
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// pnColorNormal & pnColorHighlighted
|
||
|
|
// Arrays of 16 elements:
|
||
|
|
// -1 Do not remap this color
|
||
|
|
// COLOR_xxx Remap this color to the system color.
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
void CMyBitmap::LoadColors(int * pnColorNormal, int * pnColorHighlighted)
|
||
|
|
{
|
||
|
|
LoadColors(pnColorNormal, PbiNormal());
|
||
|
|
LoadColors(pnColorHighlighted, PbiHighlighted());
|
||
|
|
|
||
|
|
} //*** CMyBitmap::LoadColors(pnColorNormal, pnColorHighlighted)
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// CMyBitmap::LoadColors
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
// Similar to above LoadColors except only the PbiNormal() colors are altered.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// pnColorNormal Array of color mapping table.
|
||
|
|
//
|
||
|
|
// Returns:
|
||
|
|
// None.
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
void CMyBitmap::LoadColors(int * pnColorNormal)
|
||
|
|
{
|
||
|
|
LoadColors(pnColorNormal, PbiNormal());
|
||
|
|
|
||
|
|
} //*** CMyBitmap::LoadColors(pnColorNormal)
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// CMyBitmap::LoadColors
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
// Loads one color map based on the system settings
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// pnColor
|
||
|
|
// Arrays of 16 elements:
|
||
|
|
// -1 Do not remap this color
|
||
|
|
// COLOR_xxx Remap this color to the system color.
|
||
|
|
// pbi
|
||
|
|
// BITMAPINFO structure to adjust
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
void CMyBitmap::LoadColors(int * pnColor, BITMAPINFO * pbi)
|
||
|
|
{
|
||
|
|
int inColor;
|
||
|
|
COLORREF cr;
|
||
|
|
|
||
|
|
ASSERT(pbi != NULL);
|
||
|
|
ASSERT(pbi->bmiHeader.biBitCount <= 4);
|
||
|
|
ASSERT(NColors() <= 16);
|
||
|
|
ASSERT(BCustomPalette() == FALSE);
|
||
|
|
|
||
|
|
for (inColor = 0; inColor < 16; inColor++)
|
||
|
|
{
|
||
|
|
if (pnColor[inColor] == -1)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
cr = GetSysColor(pnColor[inColor]);
|
||
|
|
pbi->bmiColors[inColor].rgbRed = GetRValue(cr);
|
||
|
|
pbi->bmiColors[inColor].rgbGreen = GetGValue(cr);
|
||
|
|
pbi->bmiColors[inColor].rgbBlue = GetBValue(cr);
|
||
|
|
}
|
||
|
|
|
||
|
|
} //*** CMyBitmap::LoadColors(pnColor, pbi)
|