void CLCDIcon::OnDraw(CLCDGfxBase &rGfx)
{
if (m_hIcon)
{
int nOldBkMode = SetBkMode(rGfx.GetHDC(), TRANSPARENT);
DrawIconEx(rGfx.GetHDC(), 0, 0, m_hIcon,
m_nIconWidth, m_nIconHeight, 0, NULL, DI_NORMAL);
SetBkMode(rGfx.GetHDC(), nOldBkMode);
}
}
void CLCDMyProgressBar::OnDraw(CLCDGfxBase& rGfx)
{
// draw the border
RECT r = { 0, 0, GetWidth(), GetHeight() };
FrameRect(rGfx.GetHDC(), &r, m_hBrush);
// draw the progress
switch (m_eMyStyle) {
case STYLE_CURSOR: {
int nCursorPos = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
(float)1, (float)(GetWidth() - m_nCursorWidth - 1),
m_fPos);
r.left = nCursorPos;
r.right = r.left + m_nCursorWidth;
FillRect(rGfx.GetHDC(), &r, m_hBrush);
}
break;
case STYLE_FILLED_H:
case STYLE_FILLED_V: {
int nBar = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
0.0f, (m_eMyStyle == STYLE_FILLED_H ? (float)GetWidth() : (float)GetHeight()) - 4,
m_fPos);
r.left = r.left + 2;
r.bottom = r.bottom - 2;
if (m_eMyStyle == STYLE_FILLED_H) {
r.right = nBar + 2;
r.top = r.top + 2;
} else {
r.right = r.right - 2;
r.top = r.bottom - nBar;
}
FillRect(rGfx.GetHDC(), &r, m_hBrush);
}
break;
case STYLE_DASHED_CURSOR: {
int nCursorPos = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
(float)1, (float)(GetWidth() - m_nCursorWidth - 1),
m_fPos);
r.left = nCursorPos;
r.right = r.left + m_nCursorWidth;
FillRect(rGfx.GetHDC(), &r, m_hBrush);
HPEN hOldPen = (HPEN)::SelectObject(rGfx.GetHDC(), m_hPen);
::MoveToEx(rGfx.GetHDC(), 0, (r.bottom - r.top) / 2, NULL);
::LineTo(rGfx.GetHDC(), nCursorPos, (r.bottom - r.top) / 2);
::SelectObject(rGfx.GetHDC(), hOldPen);
}
break;
default:
break;
}
}
void CLCDCollection::OnDraw(CLCDGfxBase &rGfx)
{
if(!IsVisible())
{
return;
}
//iterate through your objects and draw them
LCD_OBJECT_LIST::iterator it = m_Objects.begin();
while(it != m_Objects.end())
{
CLCDBase *pObject = *it++;
LCDUIASSERT(NULL != pObject);
if (pObject->IsVisible())
{
pObject->OnPrepareDraw(rGfx);
// create the clip region
HRGN hRgn = CreateRectRgn(pObject->GetOrigin().x, pObject->GetOrigin().y,
pObject->GetOrigin().x + pObject->GetWidth(),
pObject->GetOrigin().y + pObject->GetHeight());
// ensure that controls only draw within their specified region
SelectClipRgn(rGfx.GetHDC(), hRgn);
// free the region (a copy is used in the call above)
DeleteObject(hRgn);
// offset the control at its origin so controls use (0,0)
POINT ptPrevViewportOrg = { 0, 0 };
SetViewportOrgEx(rGfx.GetHDC(),
pObject->GetOrigin().x,
pObject->GetOrigin().y,
&ptPrevViewportOrg);
// allow controls to supply additional translation
// this allows controls to move freely within the confined viewport
OffsetViewportOrgEx(rGfx.GetHDC(),
pObject->GetLogicalOrigin().x,
pObject->GetLogicalOrigin().y,
NULL);
pObject->OnDraw(rGfx);
// set the clipping region to nothing
SelectClipRgn(rGfx.GetHDC(), NULL);
// restore the viewport origin
SetViewportOrgEx(rGfx.GetHDC(),
ptPrevViewportOrg.x,
ptPrevViewportOrg.y,
NULL);
// restore the viewport origin offset
OffsetViewportOrgEx(rGfx.GetHDC(), 0, 0, NULL);
}
}
}
void CLCDBitmap::OnDraw(CLCDGfxBase &rGfx)
{
if(m_hBitmap)
{
HDC hCompatibleDC = CreateCompatibleDC(rGfx.GetHDC());
HBITMAP hOldBitmap = (HBITMAP)SelectObject(hCompatibleDC, m_hBitmap);
// If monochrome output, don't even bother with alpha blend
if (LGLCD_BMP_FORMAT_160x43x1 == rGfx.GetLCDScreen()->hdr.Format)
{
BitBlt(rGfx.GetHDC(), 0, 0, m_sizeLogical.cx, m_sizeLogical.cy, hCompatibleDC, 0, 0, m_dwROP);
}
else
{
if(0.001f > fabs(1.0f - m_fZoom))
{
BOOL b = FALSE;
if(m_bAlpha)
{
BLENDFUNCTION opblender = {AC_SRC_OVER, 0, 255, AC_SRC_ALPHA};
b = AlphaBlend(rGfx.GetHDC(), 0, 0, m_sizeLogical.cx, m_sizeLogical.cy, hCompatibleDC, 0, 0, m_sizeLogical.cx, m_sizeLogical.cy, opblender);
}
else
{
BitBlt(rGfx.GetHDC(), 0, 0, m_sizeLogical.cx, m_sizeLogical.cy, hCompatibleDC, 0, 0, m_dwROP);
}
}
else
{
if(m_bAlpha)
{
BLENDFUNCTION opblender = {AC_SRC_OVER, 0, 255, AC_SRC_ALPHA};
AlphaBlend(rGfx.GetHDC(), 0, 0, (int)(m_fZoom* m_sizeLogical.cx), (int)(m_fZoom*m_sizeLogical.cy), hCompatibleDC, 0, 0, m_sizeLogical.cx, m_sizeLogical.cy, opblender);
}
else
{
BLENDFUNCTION opblender = {AC_SRC_OVER, 0, 255, 0};
AlphaBlend(rGfx.GetHDC(), 0, 0, (int)(m_fZoom* m_sizeLogical.cx), (int)(m_fZoom*m_sizeLogical.cy), hCompatibleDC, 0, 0, m_sizeLogical.cx, m_sizeLogical.cy, opblender);
}
}
}
// restores
SelectObject(hCompatibleDC, hOldBitmap);
DeleteDC(hCompatibleDC);
}
}
void CLCDColorText::OnDraw(CLCDGfxBase &rGfx)
{
if(GetBackgroundMode() == OPAQUE)
{
HBRUSH backbrush = CreateSolidBrush(m_backColor);
// clear the clipped area
RECT rcClp = { 0, 0, m_Size.cx, m_Size.cy };
FillRect(rGfx.GetHDC(), &rcClp, backbrush);
// clear the logical area
RECT rcLog = { 0, 0, m_sizeLogical.cx, m_sizeLogical.cy };
FillRect(rGfx.GetHDC(), &rcLog, backbrush);
DeleteObject(backbrush);
}
if(m_nTextLength)
{
// map mode text, with transparency
int nOldMapMode = SetMapMode(rGfx.GetHDC(), MM_TEXT);
int nOldBkMode = SetBkMode(rGfx.GetHDC(), TRANSPARENT);
// select current font
HFONT hOldFont = (HFONT)SelectObject(rGfx.GetHDC(), m_hFont);
// select color
COLORREF crOldTextColor = SetTextColor(rGfx.GetHDC(), m_crForegroundColor);
if (m_bRecalcExtent)
{
int nTextFormat;
RECT rExtent;
// calculate vertical extent with word wrap
nTextFormat = (m_nTextFormat | DT_WORDBREAK | DT_CALCRECT);
rExtent.left = rExtent.top = 0;
rExtent.right = GetWidth();
rExtent.bottom = GetHeight();
DrawTextEx(rGfx.GetHDC(), (LPTSTR)m_sText.c_str(), static_cast<int>(m_nTextLength), &rExtent, nTextFormat, &m_dtp);
m_sizeVExtent.cx = rExtent.right;
m_sizeVExtent.cy = rExtent.bottom;
// calculate horizontal extent w/o word wrap
nTextFormat = (m_nTextFormat | DT_CALCRECT);
rExtent.left = rExtent.top = 0;
rExtent.right = GetWidth();
rExtent.bottom = GetHeight();
DrawTextEx(rGfx.GetHDC(), (LPTSTR)m_sText.c_str(), static_cast<int>(m_nTextLength), &rExtent, nTextFormat, &m_dtp);
m_sizeHExtent.cx = rExtent.right;
m_sizeHExtent.cy = rExtent.bottom;
m_bRecalcExtent = FALSE;
//For scrolling
m_PixelLength = m_sizeHExtent.cx;
m_StartX = 0;
if( m_bAutoScroll )
{
if( m_PixelLength > GetWidth() )
{
m_ScrollRate = -1*GetHeight();
}
else
{
m_ScrollRate = 0;
}
}
if( m_ScrollRate > 0 )
{
if( GetWidth() > m_PixelLength + m_ScrollBuffer )
{
m_JumpDistance = -1 * GetWidth();
}
else
{
m_JumpDistance = -1 * (m_PixelLength + m_ScrollBuffer);
}
}
else if( m_ScrollRate < 0 )
{
if( GetWidth() > m_PixelLength + m_ScrollBuffer )
{
m_JumpDistance = GetWidth();
}
else
{
m_JumpDistance = m_PixelLength + m_ScrollBuffer;
}
}
m_LoopX = m_JumpDistance;
}
if( IsVisible() )
{
if( m_ScrollRate == 0 )
{
RECT rBoundary = { 0, 0, 0 + GetLogicalSize().cx, 0 + GetLogicalSize().cy };
DrawTextEx(rGfx.GetHDC(), (LPTSTR)m_sText.c_str(), static_cast<int>(m_nTextLength), &rBoundary, m_nTextFormat, &m_dtp);
}
else
{
RECT rBoundaryFirst = { m_StartX, 0, 0 + GetLogicalSize().cx, 0 + GetLogicalSize().cy };
RECT rBoundarySecond = { m_LoopX, 0, 0 + GetLogicalSize().cx, 0 + GetLogicalSize().cy };
DrawTextEx(rGfx.GetHDC(), (LPTSTR)m_sText.c_str(), static_cast<int>(m_nTextLength),
&rBoundaryFirst, m_nTextFormat, &m_dtp);
DrawTextEx(rGfx.GetHDC(), (LPTSTR)m_sText.c_str(), static_cast<int>(m_nTextLength),
&rBoundarySecond, m_nTextFormat, &m_dtp);
}
}
// restores
SetMapMode(rGfx.GetHDC(), nOldMapMode);
SetTextColor(rGfx.GetHDC(), crOldTextColor);
SetBkMode(rGfx.GetHDC(), nOldBkMode);
SelectObject(rGfx.GetHDC(), hOldFont);
}
}
void CLCDSkinnedProgressBar::OnDraw(CLCDGfxBase &rGfx)
{
RECT rBoundary = { 0, 0, GetWidth(), GetHeight() };
HDC hdcMem = CreateCompatibleDC(rGfx.GetHDC());
HBITMAP hbmOld = (HBITMAP)SelectObject(hdcMem, m_hBackground);
//Draw the background
//BitBlt the background onto the screen
BLENDFUNCTION opblender = {AC_SRC_OVER, 0, 255, AC_SRC_ALPHA};
AlphaBlend(rGfx.GetHDC(), 0, 0, GetWidth(), GetHeight(), hdcMem, 0, 0, GetWidth(), GetHeight(), opblender);
SelectObject(hdcMem, hbmOld);
DeleteDC(hdcMem);
//Drawing the cursor
switch(m_eStyle)
{
case STYLE_FILLED:
{
HDC hdcMemCursor = CreateCompatibleDC(rGfx.GetHDC());
if(m_bUse3P)
{
RECT r = rBoundary;
r.left = 0;
r.right = GetWidth() - m_3PCursorRightWidth - m_3PCursorLeftWidth;
int nBarWidth = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
(float)r.left, (float)r.right,
m_fPos);
int midstart, midwidth;
midstart = m_3PCursorLeftWidth;
midwidth = nBarWidth;
//Left
hbmOld = (HBITMAP)SelectObject(hdcMemCursor, m_h3PCursorLeft);
AlphaBlend(rGfx.GetHDC(), 0, 0, m_3PCursorLeftWidth, GetHeight(),
hdcMemCursor, 0, 0, m_3PCursorLeftWidth, m_3PCursorLeftHeight, opblender);
//Mid
SelectObject(hdcMemCursor, m_h3PCursorMid);
AlphaBlend(rGfx.GetHDC(), midstart, 0, midwidth, GetHeight(),
hdcMemCursor, 0, 0, m_3PCursorMidWidth, m_3PCursorMidHeight, opblender);
//Right
SelectObject(hdcMemCursor, m_h3PCursorRight);
AlphaBlend(rGfx.GetHDC(), midstart+midwidth, 0, m_3PCursorRightWidth, GetHeight(),
hdcMemCursor, 0, 0, m_3PCursorRightWidth, m_3PCursorRightHeight, opblender);
// restore previous bitmap
SelectObject(hdcMemCursor, hbmOld);
}
else
{
RECT r = rBoundary;
int nBarWidth = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
(float)rBoundary.left, (float)(rBoundary.right),
m_fPos);
r.right = nBarWidth ? nBarWidth : r.left;
HBITMAP hbmOldCursor = (HBITMAP)SelectObject(hdcMemCursor, m_hFiller);
BitBlt(rGfx.GetHDC(), 0, 0, nBarWidth, GetHeight(), hdcMemCursor, 0, 0, SRCCOPY);
SelectObject(hdcMemCursor, hbmOldCursor);
}
DeleteDC(hdcMemCursor);
break;
}
//These two cases will be the same
case STYLE_CURSOR:
case STYLE_DASHED_CURSOR:
{
HDC hdcMemCursor = CreateCompatibleDC(rGfx.GetHDC());
if(m_bUse3P)
{
RECT r = rBoundary;
int nCursorPos = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
(float)rBoundary.left, (float)(rBoundary.right - m_nCursorWidth),
m_fPos);
r.left = nCursorPos;
r.right = nCursorPos + m_nCursorWidth;
int midstart, midwidth;
midstart = r.left+m_3PCursorLeftWidth;
midwidth = m_3PCursorMidWidth;
//Left
hbmOld = (HBITMAP)SelectObject(hdcMemCursor, m_h3PCursorLeft);
AlphaBlend(rGfx.GetHDC(), r.left, 0, m_3PCursorLeftWidth, GetHeight(),
hdcMemCursor, 0, 0, m_3PCursorLeftWidth, m_3PCursorLeftHeight, opblender);
//Mid
SelectObject(hdcMemCursor, m_h3PCursorMid);
AlphaBlend(rGfx.GetHDC(), midstart, 0, midwidth, GetHeight(),
hdcMemCursor, 0, 0, m_3PCursorMidWidth, m_3PCursorMidHeight, opblender);
//Right
SelectObject(hdcMemCursor, m_h3PCursorRight);
AlphaBlend(rGfx.GetHDC(), midstart+midwidth, 0, m_3PCursorRightWidth, GetHeight(),
hdcMemCursor, 0, 0, m_3PCursorRightWidth, m_3PCursorRightHeight, opblender);
// restore old bitmap
SelectObject(hdcMemCursor, hbmOld);
}
else
{
RECT r = rBoundary;
int nCursorPos = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
(float)rBoundary.left, (float)(rBoundary.right - m_nCursorWidth),
m_fPos);
r.left = nCursorPos;
r.right = nCursorPos + m_nCursorWidth;
HBITMAP hbmOldCursor = (HBITMAP)SelectObject(hdcMemCursor, m_hCursor);
BitBlt(rGfx.GetHDC(), r.left, 0, m_nCursorWidth, GetHeight(), hdcMemCursor, 0, 0, SRCCOPY);
SelectObject(hdcMemCursor, hbmOldCursor);
}
DeleteDC(hdcMemCursor);
break;
}
default:
break;
}
if( NULL != m_hHighlight )
{
HDC hdcMemHighlight = CreateCompatibleDC(rGfx.GetHDC());
HBITMAP hbmOldHighlight = (HBITMAP)SelectObject(hdcMemHighlight, m_hHighlight);
AlphaBlend(rGfx.GetHDC(), 0, 0, GetWidth(), GetHeight(), hdcMemHighlight, 0, 0, m_HighlightWidth, m_HighlightHeight, opblender);
SelectObject(hdcMemHighlight, hbmOldHighlight);
DeleteDC(hdcMemHighlight);
}
}
void CLCDPage::OnDraw(CLCDGfxBase &rGfx)
{
if(!IsVisible())
{
return;
}
//Draw the background first
if(m_bUseBitmapBackground)
{
m_Background.OnDraw(rGfx);
}
else if(m_bUseColorBackground)
{
HBRUSH hBackBrush = CreateSolidBrush(m_BackgroundColor);
HBRUSH hOldBrush = (HBRUSH)SelectObject(rGfx.GetHDC(), hBackBrush);
Rectangle(rGfx.GetHDC(), 0, 0, GetWidth(), GetHeight());
SelectObject(rGfx.GetHDC(), hOldBrush);
DeleteObject(hBackBrush);
}
//iterate through your objects and draw them
LCD_OBJECT_LIST::iterator it = m_Objects.begin();
while(it != m_Objects.end())
{
CLCDBase *pObject = *it++;
LCDUIASSERT(NULL != pObject);
if (pObject->IsVisible())
{
// create the clip region
// Note that pages can now be added to pages (GetOrigin of the page is now factored in)
HRGN hRgn = CreateRectRgn(GetOrigin().x + pObject->GetOrigin().x, GetOrigin().y + pObject->GetOrigin().y,
GetOrigin().x + pObject->GetOrigin().x + pObject->GetWidth(),
GetOrigin().y + pObject->GetOrigin().y + pObject->GetHeight());
// ensure that controls only draw within their specified region
SelectClipRgn(rGfx.GetHDC(), hRgn);
// free the region (a copy is used in the call above)
DeleteObject(hRgn);
// offset the control at its origin so controls use (0,0)
POINT ptPrevViewportOrg = { 0, 0 };
SetViewportOrgEx(rGfx.GetHDC(),
GetOrigin().x + pObject->GetOrigin().x,
GetOrigin().y + pObject->GetOrigin().y,
&ptPrevViewportOrg);
// allow controls to supply additional translation
// this allows controls to move freely within the confined viewport
OffsetViewportOrgEx(rGfx.GetHDC(),
pObject->GetLogicalOrigin().x,
pObject->GetLogicalOrigin().y,
NULL);
pObject->OnDraw(rGfx);
// set the clipping region to nothing
SelectClipRgn(rGfx.GetHDC(), NULL);
// restore the viewport origin
SetViewportOrgEx(rGfx.GetHDC(),
ptPrevViewportOrg.x,
ptPrevViewportOrg.y,
NULL);
// restore the viewport origin offset
OffsetViewportOrgEx(rGfx.GetHDC(), 0, 0, NULL);
}
}
}
