//-----------------------------------------------------------------------------------------------------
// Adjusts a 2D Bounding area to scale with screen and safe areas based on the current
// layout state.
//
// in/out :
// fX,fY - in: the position, in screen space of the asset's pivot i.e. the (center,left), (top,left)
// or (bottom,right) point of the asset (for example) (in Virtual Space)
// out: the top left corner of the BB after aligning and scaling with delta screen
// resolution and safe areas (out Virtual Space).
//
// fSizeX,fSizeY - in: the size of the BB before any alignment or adjustments are done (in Virtual Space)
// - out: the size of the BB after all appropriate alignments and adjustments are done (out Virtual Space)
//
// As we want to preserve proportional distance of elements from the screen
// edge then the p(x,y) needs to be adjusted based on some proportional
// relationship to the delta-screen resolution :
// p (is-proportional-to) k*(delta)Screen
//
// The size of element s(w,h), when not preserving aspect or keeping square
// should follow the same rule.
// s (is-propotional-to) k*(delta)Screen
//
// When scaling elements with (delta)ScreenY only, then p is the same as above
// (to preserve proportional distance from the screen edge), but s(w.h) varies
// as follows :
// s.w (is-propotional-to) k*(delta)ScreenY
// s.h (is-propotional-to) k*(delta)ScreenY
//
void ScreenLayoutManager::AdjustToSafeArea( float *fX, float* fY, float* fSizeX /* = NULL*/, float* fSizeY /* = NULL*/,
const EUIDRAWHORIZONTAL eUIDrawHorizontal,
const EUIDRAWVERTICAL eUIDrawVertical,
const EUIDRAWHORIZONTAL eUIDrawHorizontalDocking,
const EUIDRAWVERTICAL eUIDrawVerticalDocking ) const
{
//-----------------------------------------------
// Get intermediate p(x,y) in proportional space
// at this point the p is at still the (center,left),
// (top,left) or (bottom,right) of the asset.
Vec2 p( *fX/GetVirtualWidth(), *fY/GetVirtualHeight() );
Vec2 s( 0.0f, 0.0f );
float assetAspect = 1.0f;
CRY_ASSERT_MESSAGE( fSizeX && fSizeY || (fSizeX == NULL && fSizeY == NULL), "HUD: Invalid combination of size pointers, probably a mistake in calling code!" );
const bool bHaveSize = fSizeX && fSizeY && (*fSizeY)!=0.0f;
if( bHaveSize)
{
s = Vec2( (*fSizeX)/GetVirtualWidth(), (*fSizeY)/GetVirtualHeight() );
assetAspect = (*fSizeX)/(*fSizeY);
}
// Do the work and get every thing in proportional space.
AdjustToSafeAreaProportional( p,s,assetAspect, eUIDrawHorizontal,eUIDrawVertical,eUIDrawHorizontalDocking,eUIDrawVerticalDocking );
// offset p by the safe-area borders if we are adjusting by safe-areas.
if( !(m_flags & eSLO_DoNotAdaptToSafeArea) )
{
const Vec2 safeAreaBorderP = GetSafeAreaBorderScreenProportion(m_curSafeAreaID);
p.x += safeAreaBorderP.x; // x border width
p.y += safeAreaBorderP.y; // y border height
}
// Publish the results :
*fX = p.x * GetVirtualWidth();
*fY = p.y * GetVirtualHeight();
if(bHaveSize)
{
*fSizeX = s.x * GetVirtualWidth();
*fSizeY = s.y * GetVirtualHeight();
}
}
void CDuiText::DrawControl(CDC &dc, CRect rcUpdate)
{
int nWidth = m_rc.Width();
int nHeight = m_rc.Height();
// 计算显示位置
CDuiScrollVertical* pScrollV = (CDuiScrollVertical*)m_pControScrollV;
int nCurPos = pScrollV->GetScrollCurrentPos(); // 当前top位置
int nMaxRange = pScrollV->GetScrollMaxRange();
int nVirtualTop = 0; // 当前显示的是虚拟图片中什么位置开始的图片
m_nVirtualHeight = GetVirtualHeight();
if(m_nVirtualHeight > m_rc.Height())
{
nVirtualTop = (nMaxRange > 0) ? nCurPos*(m_nVirtualHeight-m_rc.Height())/nMaxRange : 0;
}else
{
nVirtualTop = 0;
}
if(!m_bUpdate)
{
UpdateMemDC(dc, nWidth, m_nVirtualHeight);
Graphics graphics(m_memDC);
if(m_bBack)
{
SolidBrush brush(m_clrBack);
graphics.FillRectangle(&brush, 0, 0, nWidth, nHeight);
}
else
{
//m_memDC.BitBlt(0, 0, nWidth, nHeight, &dc, m_rc.left ,m_rc.top, SRCCOPY);
m_memDC.BitBlt(0, 0, nWidth, nHeight, &dc, m_rc.left ,m_rc.top, WHITENESS); // 画白色背景
DrawVerticalTransition(m_memDC, dc, CRect(0, 0+nVirtualTop, nWidth, nHeight+nVirtualTop), // 背景透明度
m_rc, m_nBkTransparent, m_nBkTransparent);
}
BSTR bsFont = m_strFont.AllocSysString();
FontFamily fontFamily(bsFont);
Font font(&fontFamily, (REAL)m_nFontWidth, m_fontStyle, UnitPixel);
::SysFreeString(bsFont);
SolidBrush solidBrush(m_clrText);
graphics.SetTextRenderingHint( TextRenderingHintClearTypeGridFit );
// 设置水平和垂直对齐方式
DUI_STRING_ALIGN_DEFINE();
//strFormat.SetFormatFlags( StringFormatFlagsNoWrap | StringFormatFlagsMeasureTrailingSpaces);
strFormat.SetFormatFlags( StringFormatFlagsNoClip | StringFormatFlagsMeasureTrailingSpaces);
//strFormat.SetTrimming(StringTrimmingEllipsisWord); // 以单词为单位去尾,略去部分使用省略号
int nXPos = 0;
if(m_pImage != NULL)
{
graphics.DrawImage(m_pImage, Rect(0, (nHeight - m_sizeImage.cy) / 2, m_sizeImage.cx, m_sizeImage.cy),
0, 0, m_sizeImage.cx, m_sizeImage.cy, UnitPixel);
nXPos += m_sizeImage.cx + 5;
}
Size size = GetTextBounds(font, strFormat, nWidth, m_strTitle);
int nStart = m_strTitle.Find(m_strMark, m_nStart);
if(m_strMark.IsEmpty() || (nStart == -1))
{
int nTextWidth = nWidth - nXPos;
if(m_bScrollV)
{
nTextWidth -= m_nScrollWidth;
}
// 先画阴影
if(m_bEnableShadow)
{
RectF rectShadow((Gdiplus::REAL)(nXPos + 1), (Gdiplus::REAL)1, (Gdiplus::REAL)nTextWidth, (Gdiplus::REAL)max(size.Height, nHeight));
SolidBrush solidBrushS(m_clrTextShadow);
BSTR bsTitle = m_strTitle.AllocSysString();
graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rectShadow, &strFormat, &solidBrushS);
::SysFreeString(bsTitle);
}
// 再画正常的文字
RectF rect((Gdiplus::REAL)(nXPos), (Gdiplus::REAL)0, (Gdiplus::REAL)nTextWidth, (Gdiplus::REAL)(max(size.Height, nHeight)));
if((m_enButtonState == enBSHover) && m_bEnableHover)
{
SolidBrush solidBrushH(m_clrTextHover);
BSTR bsTitle = m_strTitle.AllocSysString();
graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rect, &strFormat, &solidBrushH);
::SysFreeString(bsTitle);
}else
{
BSTR bsTitle = m_strTitle.AllocSysString();
graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rect, &strFormat, &solidBrush);
::SysFreeString(bsTitle);
}
}
else
{
SolidBrush solidBrushM(m_clrMark);
SolidBrush solidBrushS(m_clrTextShadow);
CString srtL = m_strTitle.Left(nStart);
CString srtR = m_strTitle.Right(m_strTitle.GetLength() - m_strMark.GetLength() - nStart);
Size sizeL = GetTextBounds(font, strFormat, srtL);
Size sizeM = GetTextBounds(font, strFormat, m_strMark);
Size sizeR = GetTextBounds(font, strFormat, srtR);
if(m_bEnableShadow)
{
BSTR bsL = srtL.AllocSysString();
graphics.DrawString(bsL, (INT)wcslen(bsL), &font,
PointF((Gdiplus::REAL)(nXPos + 1), (Gdiplus::REAL)1), &strFormat, &solidBrushS);
::SysFreeString(bsL);
BSTR bsMark = m_strMark.AllocSysString();
graphics.DrawString(bsMark, (INT)wcslen(bsMark), &font,
PointF((Gdiplus::REAL)(nXPos + sizeL.Width + 2 + 1), (Gdiplus::REAL)1), &strFormat, &solidBrushS);
::SysFreeString(bsMark);
}
BSTR bsL = srtL.AllocSysString();
graphics.DrawString(bsL, (INT)wcslen(bsL), &font,
PointF((Gdiplus::REAL)(nXPos), (Gdiplus::REAL)0), &strFormat, &solidBrush);
::SysFreeString(bsL);
BSTR bsMark = m_strMark.AllocSysString();
graphics.DrawString(bsMark, (INT)wcslen(bsMark), &font,
PointF((Gdiplus::REAL)(nXPos + sizeL.Width + 2), (Gdiplus::REAL)0), &strFormat, &solidBrushM);
::SysFreeString(bsMark);
if(m_bEnableShadow)
{
RectF rect((Gdiplus::REAL)(nXPos + sizeL.Width + sizeM.Width + 4 + 1), (Gdiplus::REAL)(1), (Gdiplus::REAL)(nWidth - (nXPos + sizeL.Width + sizeM.Width + 4)), (Gdiplus::REAL)nHeight);
BSTR bsR = srtR.AllocSysString();
graphics.DrawString(bsR, (INT)wcslen(bsR), &font,
PointF((Gdiplus::REAL)(nXPos + sizeL.Width + sizeM.Width + 4), (Gdiplus::REAL)0), &strFormat, &solidBrushS);
::SysFreeString(bsR);
}
//RectF rect(nXPos + point.x + sizeL.Width + sizeM.Width + 4, point.y, nWidth - (nXPos + sizeL.Width + sizeM.Width + 4 + point.x), size.Height);
RectF rect((Gdiplus::REAL)(nXPos + sizeL.Width + sizeM.Width + 4), (Gdiplus::REAL)0, (Gdiplus::REAL)(nWidth - (nXPos + sizeL.Width + sizeM.Width + 4)), (Gdiplus::REAL)nHeight);
BSTR bsR = srtR.AllocSysString();
graphics.DrawString(bsR, (INT)wcslen(bsR), &font,
PointF((Gdiplus::REAL)(nXPos + sizeL.Width + sizeM.Width + 4), (Gdiplus::REAL)0), &strFormat, &solidBrush);
::SysFreeString(bsR);
}
}
dc.BitBlt(m_rc.left,m_rc.top, m_rc.Width(), m_rc.Height(), &m_memDC, 0, nVirtualTop, SRCCOPY);
}