Method DrawItem

legacy/D3Launch/BitmapButtonEx.cpp:173–282

// Draw the button
void CBitmapButtonEx::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) {
  // TODO: Add your code to draw the specified item
  CBitmap *bitmap;
  CPalette *palette;
  COLORREF old_color, new_color, new_shadow_color;
  CFont *old_font = NULL;
  CBitmap *old_bitmap = NULL;
  CPalette *old_palette = NULL;
  int old_mode = 0;
  UINT old_alignment = 0;

  // If button is hidden, don't draw it
  if (m_Hidden)
    return;

  // Get button's state and draw appropriate bitmap
  if (m_AnimBitmaps != NULL) {
    bitmap = &m_AnimBitmaps[m_CurrAnimFrame];
    new_color = DOWN_TEXT_COLOR;
    new_shadow_color = DOWN_TEXT_SHADOW_COLOR;
  } else if (lpDrawItemStruct->itemState & ODS_SELECTED) {
    bitmap = &m_DownBitmap;
    new_color = DOWN_TEXT_COLOR;
    new_shadow_color = DOWN_TEXT_SHADOW_COLOR;
  } else if (!m_IgnoreDisabled && lpDrawItemStruct->itemState & ODS_DISABLED) {
    bitmap = &m_DisabledBitmap;
    new_color = DISABLED_TEXT_COLOR;
    new_shadow_color = DISABLED_TEXT_SHADOW_COLOR;
  } else if (m_MouseOverBtn || lpDrawItemStruct->itemState & ODS_FOCUS) {
    bitmap = &m_MouseBitmap;
    new_color = LIT_TEXT_COLOR;
    new_shadow_color = LIT_TEXT_SHADOW_COLOR;
  } else {
    bitmap = &m_UpBitmap;
    new_color = UP_TEXT_COLOR;
    new_shadow_color = UP_TEXT_SHADOW_COLOR;
  }

  // Use the Application default palette (speeds things up in 256 color)
  palette = &theApp.m_palette;

  // RECT rect=lpDrawItemStruct->rcItem;

  // Obtain the client window for this button
  CClientDC *dc;
  try {
    dc = new CClientDC(this);
  } catch (CResourceException) {
    OutputDebugString("Could not get ClientDC for bitmap button!\n");
  }

  CDC memDC;

  CRect crect;
  GetClientRect(&crect);

  BITMAP m_bmInfo; // Bitmap info
  bitmap->GetObject(sizeof(BITMAP), &m_bmInfo);