Пример #1
0
CGlowingRingPainter::CGlowingRingPainter (CG32bitImage &Dest, int iRadius, int iWidth, const TArray<CG32bitPixel> &ColorRamp, BYTE byOpacity) :
		m_Dest(Dest),
		m_rcClip(Dest.GetClipRect()),
		m_iRadius(iRadius),
		m_iWidth(iWidth)

//	CGlowingRingPainter constructor

	{
	int i;

	//	Pre-multiply the color ramp

	m_ColorRamp.InsertEmpty(ColorRamp.GetCount());
	m_pColorRamp = &m_ColorRamp;

	if (byOpacity == 0xff)
		{
		for (i = 0; i < m_ColorRamp.GetCount(); i++)
			m_ColorRamp[i] = CG32bitPixel::PreMult(ColorRamp[i]);
		}
	else
		{
		for (i = 0; i < m_ColorRamp.GetCount(); i++)
			{
			CG32bitPixel rgbPreMult = CG32bitPixel::PreMult(ColorRamp[i]);
			m_ColorRamp[i] = CG32bitPixel(CG32bitPixel::Blend(0, rgbPreMult, byOpacity), CG32bitPixel::BlendAlpha(rgbPreMult.GetAlpha(), byOpacity));
			}
		}
	}
Пример #2
0
CGlowingRingPainter::CGlowingRingPainter (CG32bitImage &Dest, int iRadius, int iWidth, CG32bitPixel rgbColor) :
		m_Dest(Dest),
		m_rcClip(Dest.GetClipRect()),
		m_iRadius(iRadius),
		m_iWidth(iWidth)

//	CGlowingRingPainter constructor

	{
	int i;

	if (m_iWidth <= 0)
		{
		m_pColorRamp = NULL;
		return;
		}

	//	Generate a color ramp

	int iCenter = m_iWidth / 2;
	int iExtra = m_iWidth % 2;
	int iOuter = iCenter - 1;
	int iInner = iCenter + iExtra;

	m_ColorRamp.InsertEmpty(m_iWidth);

	//	We expect the color ramp to be pre-multiplied

	CG32bitPixel rgbPreMult = CG32bitPixel::PreMult(rgbColor);

	//	Init the center

	if (iExtra)
		m_ColorRamp[iCenter] = rgbPreMult;

	//	Edges

	for (i = 0; i < iCenter; i++)
		{
		ASSERT(iOuter >= 0 && iOuter < m_iWidth);
		ASSERT(iInner >=0 && iInner < m_iWidth);

		BYTE byAlpha = (BYTE)Min((WORD)0xff, (WORD)(rgbPreMult.GetAlpha() * (iCenter - i) / (iCenter + 1)));
		BYTE byRed = (BYTE)Min((WORD)0xff, (WORD)(rgbPreMult.GetRed() * (iCenter - i) / (iCenter + 1)));
		BYTE byGreen = (BYTE)Min((WORD)0xff, (WORD)(rgbPreMult.GetGreen() * (iCenter - i) / (iCenter + 1)));
		BYTE byBlue = (BYTE)Min((WORD)0xff, (WORD)(rgbPreMult.GetBlue() * (iCenter - i) / (iCenter + 1)));

		m_ColorRamp[iOuter] = CG32bitPixel(byRed, byGreen, byBlue, byAlpha);
		m_ColorRamp[iInner] = CG32bitPixel(byRed, byGreen, byBlue, byAlpha);

		iOuter--;
		iInner++;
		}

	m_pColorRamp = &m_ColorRamp;
	}
Пример #3
0
void CGTextArea::PaintText (CG32bitImage &Dest, const RECT &rcRect)

//	PaintText
//
//	Paint plain text

	{
	//	Paint the text

	if (m_pFont)
		{
		//	If we haven't justified the text for this size, do it now

		if (m_cxJustifyWidth != RectWidth(rcRect))
			{
			m_cxJustifyWidth = RectWidth(rcRect);
			m_Lines.DeleteAll();
			m_pFont->BreakText(m_sText, m_cxJustifyWidth, &m_Lines, CG16bitFont::SmartQuotes);
			}

		//	Compute the rect within which we draw the text

		RECT rcText = rcRect;
		if (m_bEditable)
			{
			int iVSpacing = (RectHeight(rcRect) - m_pFont->GetHeight()) / 2;
			rcText.left += iVSpacing;
			rcText.right -= iVSpacing;
			rcText.top += iVSpacing;
			rcText.bottom -= iVSpacing;
			}

		//	Clip to text rect

		RECT rcOldClip = Dest.GetClipRect();
		Dest.SetClipRect(rcText);

		//	Figure out how many lines fit in the rect

		int iMaxLineCount = RectHeight(rcText) / m_pFont->GetHeight();

		//	If there are too many lines, and we're editable, start at the end

		int iStart = 0;
		if (m_bEditable && iMaxLineCount < m_Lines.GetCount())
			iStart = m_Lines.GetCount() - iMaxLineCount;

		//	Paint each line

		int x = rcText.left;
		int y = rcText.top;
		for (int i = iStart; i < m_Lines.GetCount(); i++)
			{
			CString sLine = m_Lines[i];

			//	Trim the last space in the line, if necessary

			char *pPos = sLine.GetASCIIZPointer();
			if (sLine.GetLength() > 0 && pPos[sLine.GetLength() - 1] == ' ')
				sLine = strTrimWhitespace(sLine);

			//	Alignment

			int xLine;
			if (m_dwStyles & alignCenter)
				{
				int cxWidth = m_pFont->MeasureText(sLine);
				xLine = x + (RectWidth(rcText) - cxWidth) / 2;
				}
			else if (m_dwStyles & alignRight)
				{
				int cxWidth = m_pFont->MeasureText(sLine);
				xLine = x + (RectWidth(rcRect) - cxWidth);
				}
			else
				xLine = x;

			//	Paint

			if (HasEffects())
				m_pFont->DrawTextEffect(Dest, xLine, y, m_rgbColor, sLine, GetEffectCount(), GetEffects());
			else
				Dest.DrawText(xLine, y, *m_pFont, m_rgbColor, sLine);

			//	Next

			y += m_pFont->GetHeight() + m_cyLineSpacing;
			if (y >= rcText.bottom)
				break;
			}

		//	Paint the cursor

		if (m_bEditable && m_iCursorLine >= iStart)
			{
			int cxPos = (m_iCursorLine < m_Lines.GetCount() ? m_pFont->MeasureText(CString(m_Lines[m_iCursorLine].GetASCIIZPointer(), m_iCursorPos, true)) : 0);
			int y = rcText.top + (m_iCursorLine - iStart) * (m_pFont->GetHeight() + m_cyLineSpacing);
			int x = rcText.left;
			if (m_dwStyles & alignCenter)
				{
				int cxWidth = (m_iCursorLine < m_Lines.GetCount() ? m_pFont->MeasureText(m_Lines[m_iCursorLine]) : 0);
				x += ((RectWidth(rcText) - cxWidth) / 2) + cxPos;
				}
			else if (m_dwStyles & alignRight)
				{
				int cxWidth = (m_iCursorLine < m_Lines.GetCount() ? m_pFont->MeasureText(m_Lines[m_iCursorLine]) : 0);
				x += (RectWidth(rcText) - cxWidth) + cxPos;
				}
			else
				x += cxPos;

			if (((m_iTick / 30) % 2) > 0)
				{
				Dest.Fill(x, y, 2, m_pFont->GetHeight(), RGB_CURSOR);
				}
			}

		//	Restore clip

		Dest.SetClipRect(rcOldClip);
		}
	}