C++ Draw::DrawRect方法代码示例

void MyList::Paint(Draw& w, const Rect& r, const Value& q, Color ink, Color paper, dword style) const {
	if(style & CURSOR)
		w.DrawRect(r,SLtGray());
	else
		w.DrawRect(r,SWhite());
	w.DrawText(r.left,r.top,q.ToString());
}

void MyApp::Paint(Draw& w)
{
	w.DrawRect(GetSize(), SColorPaper());
	w.DrawText(pos.x, pos.y, data.text, StdFont(), data.color);
	if(!IsNull(dragpos))
		w.DrawRect(RectC(dragpos.x - 1, dragpos.y - 1, 3, 3), LtBlue);
}

void RGBACtrl::Paint(Draw& w)
{
	w.DrawRect(GetSize(), SColorFace);
	if(alpha.IsMask())
		return;
	for(int x = 0; x <= 18; x++)
		w.DrawRect(x * cbox.cx + cs.x, cs.y, 1, cbox.cy * 14, SColorText());
	int i = 0;
	int my = cs.y + 1;
	w.DrawRect(cs.x, cs.y + 14 * cbox.cy, cbox.cx * 18 + 1, 1, SColorText());
	Point pp = Null;
	for(int y = 0; y < 14; y++) {
		w.DrawRect(cs.x, my - 1, cbox.cx * 18 + 1, 1, SColorText());
		int mx = cs.x + 1;
		for(int x = 0; x < 18; x++) {
			Color c = GetColor(i++);
			w.DrawRect(mx, my, cbox.cx - 1, cbox.cy - 1, c);
			if(c == color)
				pp = Point(mx, my);
			mx += cbox.cx;
		}
		my += cbox.cy;
	}
	if(!IsNull(pp)) {
		Size isz = CtrlImg::wheel_cursor().GetSize();
		pp = pp + (cbox - isz) / 2;
		w.DrawImage(pp.x, pp.y, CtrlImg::wheel_cursor(),
		            Grayscale(color) < 120 ? White() : Black());
	}
}

void ValueSlider::Paint(Draw &w)
{
	Size sz = GetSize();

	/*w.DrawRect(0, 0, sz.cx, 1, Black);
	w.DrawRect(0, sz.cy - 1, sz.cx, 1, Black);
	w.DrawRect(0, 0, 1, sz.cy, Black);
	w.DrawRect(sz.cx - 1, 0, 1, sz.cy, Black);*/
		
	int t = (int) (((pos - minValue) * sz.cx) / (maxValue - minValue));
	if(t < 1) t = 1;
	if(t > sz.cx - 1) t = sz.cx - 1;
	
	if(shaded)
	{
		for(int i = 1; i < t; i++)
			w.DrawRect(i, 1, 1, sz.cy - 2, Blend(src, dst, 256 * i / (sz.cx - 1)));
	}
	else
	{
		w.DrawRect(Rect(1, 1, t, sz.cy - 1), dst);
	}

	if(t < sz.cx - 1)
		w.DrawRect(Rect(t, 1, sz.cx - 1, sz.cy - 1), Color(245, 245, 255));

	String s = Format("%s : %.2f", text, pos);
	Size tsz = GetTextSize(s, StdFont());
	w.DrawText((sz.cx - tsz.cx) / 2, (sz.cy - tsz.cy) / 2, s);
}

void DrawHorzDrop(Draw& w, int x, int y, int cx)
{
	w.DrawRect(x, y, cx, 2, SColorHighlight);
	w.DrawRect(x, y - 2, 1, 6, SColorHighlight);
	w.DrawRect(x + cx - 1, y - 2, 1, 6, SColorHighlight);
	w.DrawRect(x + 1, y - 1, 1, 4, SColorHighlight);
	w.DrawRect(x + cx - 2, y - 1, 1, 4, SColorHighlight);
}

void DrawVertDrop(Draw& w, int x, int y, int cy)
{
	w.DrawRect(x, y, 2, cy, SColorHighlight);
	w.DrawRect(x - 2, y, 6, 1, SColorHighlight);
	w.DrawRect(x - 2, y + cy - 1, 6, 1, SColorHighlight);
	w.DrawRect(x - 1, y + 1, 4, 1, SColorHighlight);
	w.DrawRect(x - 1, y + cy - 2, 4, 1, SColorHighlight);
}

void ItemProperty::Paint(Draw& w)
{
	Size sz = GetSize();
	w.DrawRect(sz, SColorLtFace);
	w.DrawRect(0, GetHeight() - 1, sz.cx, 1, SColorText);
	w.DrawText(2,
	           (EditField::GetStdHeight() + 6 - GetTextSize(name, StdFont()).cy) / 2, name,
	           GetData() == defval ? StdFont()() : StdFont().Bold());
}

void DocEdit::Paint(Draw& w) {
	Size sz = GetSize();
	Color bg =  color[IsShowEnabled() && !IsReadOnly() ? PAPER_NORMAL : PAPER_READONLY];
	if(nobg)
		bg = Null;
	int y = -sb + 1;
	int pos = 0;
	int sell, selh;
	GetSelection(sell, selh);
	for(int i = 0; i < para.GetCount() && y < sz.cy; i++) {
		int h = GetHeight(i);
		if(y + h >= 0) {
			WString text = line[i];
			Fmt fmt = Format(text);
			int p = pos;
			for(int i = 0; i < fmt.line.GetCount(); i++) {
				int n = fmt.LineEnd(i) - fmt.line[i];
				int a = minmax(sell - p, 0, n);
				int b = minmax(selh - p, 0, n) - a;
				int c = n - a - b;
				int *wa = fmt.width + fmt.line[i];
				int *wb = fmt.width + fmt.line[i] + a;
				int *wc = fmt.width + fmt.line[i] + a + b;
				int acx = sSum(wa, a);
				int bcx = sSum(wb, b);
				int ccx = sSum(wc, c);
				w.DrawRect(1, y, acx, fmt.fi.GetHeight(), bg);
				w.DrawText(1, y, ~fmt.text + fmt.line[i], font,
				           IsShowEnabled() ? color[INK_NORMAL] : color[INK_DISABLED], a, wa);
				w.DrawRect(1 + acx, y, bcx, fmt.fi.GetHeight(), color[PAPER_SELECTED]);
				w.DrawText(1 + acx, y, ~fmt.text + fmt.line[i] + a, font, color[INK_SELECTED], b, wb);
				w.DrawRect(1 + acx + bcx, y, ccx, fmt.fi.GetHeight(), bg);
				w.DrawText(1 + acx + bcx, y, ~fmt.text + fmt.line[i] + a + b, font, color[INK_NORMAL], c, wc);
				p += n;
				w.DrawRect(1 + acx + bcx + ccx, y, cx - (acx + bcx + ccx), fmt.fi.GetHeight(),
				           p >= sell && p < selh ? color[PAPER_SELECTED] : bg);
				y += fmt.fi.GetHeight();
			}
			w.DrawRect(1, y, cx, after, color[PAPER_NORMAL]);
			y += after;
		}
		else
			y += h;
		pos += line[i].GetLength() + 1;
	}
	w.DrawRect(0, -sb, sz.cx, 1, bg);
	w.DrawRect(0, 0, 1, sz.cy, bg);
	w.DrawRect(sz.cx - 1, 0, 1, sz.cy, bg);
	if(eofline)
		w.DrawRect(1, y++, cx, 1, SColorShadow);
	if(y < sz.cy)
		w.DrawRect(1, y, cx, sz.cy - y, bg);
	DrawTiles(w, DropCaret(), CtrlImg::checkers());
}

void Navigator::NavigatorDisplay::PaintBackground(Draw& w, const Rect& r, const Value& q, Color ink, Color paper, dword style) const
{
	int ii = q;
	if(ii < 0 || ii >= item.GetCount())
		return;
	const NavItem& m = *item[ii];
	bool focuscursor = (style & (FOCUS|CURSOR)) == (FOCUS|CURSOR) || (style & SELECT);
	if(findarg(m.kind, KIND_FILE, KIND_NEST) >= 0)
		w.DrawRect(r, focuscursor ? paper : m.kind == KIND_NEST ? Blend(SColorMark, SColorPaper, 220)
		                                    : SColorFace);
	else
		w.DrawRect(r, paper);
}

int Navigator::NavigatorDisplay::DoPaint(Draw& w, const Rect& r, const Value& q, Color ink, Color paper, dword style) const
{
	int ii = q;
	if(ii < 0 || ii >= item.GetCount())
		return 0;
	const NavItem& m = *item[ii];
	bool focuscursor = (style & (FOCUS|CURSOR)) == (FOCUS|CURSOR) || (style & SELECT);

	int x = r.left;
	int ry = r.top + r.GetHeight() / 2;
	int y = ry - Draw::GetStdFontCy() / 2;

	if(findarg(m.kind, KIND_FILE, KIND_NEST) >= 0) {
		w.DrawRect(r, focuscursor ? paper : m.kind == KIND_NEST ? Blend(SColorMark, SColorPaper, 220)
		                                    : SColorFace);
		if(m.kind == KIND_FILE)
			return PaintFileName(w, r, m.type, ink);
		String h = FormatNest(m.type);
		w.DrawText(x, y, h, StdFont().Bold(), ink);
		return GetTextSize(h, StdFont().Bold()).cx;
	}
	
	w.DrawRect(r, paper);
	if(m.kind == KIND_LINE) {
		w.DrawText(x, y, m.type, StdFont().Bold(), ink);
		return GetTextSize(m.type, StdFont().Bold()).cx;
	}

	PaintCppItemImage(w, x, ry, m.access, m.kind, focuscursor);

	x += Zx(15);
	Vector<ItemTextPart> n = ParseItemNatural(m.name, m.natural, m.ptype, m.pname, m.type,
	                                          m.tname, m.ctname, ~m.natural + m.at);
	int starti = 0;
	for(int i = 0; i < n.GetCount(); i++)
		if(n[i].type == ITEM_NAME) {
			starti = i;
			break;
		}
	PaintText(w, x, y, m.natural, n, starti, n.GetCount(), focuscursor, ink, false);
	if(starti) {
		const char *h = " : ";
		w.DrawText(x, y, h, BrowserFont(), SColorText);
		x += GetTextSize(h, BrowserFont()).cx;
	}
	PaintText(w, x, y, m.natural, n, 0, starti, focuscursor, ink, false);
	return x;
}

void PopUpInfo::Paint(Draw& w)
{
    Size sz = GetSize();
    if(!IsTransparent())
        w.DrawRect(0, 0, sz.cx, sz.cy, color);
    PaintLabel(w, 0, 0, sz.cx, sz.cy, !IsShowEnabled(), false, false, VisibleAccessKeys());
}

// frame painting
void XMLDragFrame::FramePaint(Draw& w, const Rect& r)
{
	w.DrawRect(r, SColorFace());
	int x1 = r.left + 1;
	int x2 = r.right - 1;
	int y1 = r.top + 1;
	int y2 = r.bottom -1;
	w.DrawLine(x1, y1, x2, y1, 1, SColorLight());
	w.DrawLine(x2, y1, x2, y2, 1, SColorShadow());
	w.DrawLine(x2, y2, x1, y2, 1, SColorShadow());
	w.DrawLine(x1, y2, x1, y1, 1, SColorLight());
	if(align == ToolBar::BAR_LEFT || align == ToolBar::BAR_RIGHT)
	{
		x1 = r.left + 5;
		x2 = r.right - 5;
		y1 = r.top + 4;
		y2 = r.top + 9;
		w.DrawLine(x1, y1, x2, y1, 2, SColorShadow());
		w.DrawLine(x1, y2, x2, y2, 2, SColorShadow());
	}
	else
	{
		x1 = r.left + 4;
		x2 = r.left + 9;
		y1 = r.top + 5;
		y2 = r.bottom - 5;
		w.DrawLine(x1, y1, x1, y2, 2, SColorShadow());
		w.DrawLine(x2, y1, x2, y2, 2, SColorShadow());
	}
}

///////////////////////////////////////////////////////////////////////////////////////////////
// paint routine
void PixRasterBaseCtrl::Paint(Draw &d)
{
	// clears background
	d.DrawRect(GetSize(), SColorFace());

	// if no associated PixRaster, does nothing
	if(!pixRasterCtrl->GetPixBase())
		return;

	// paints image inside cache, if needed
	PaintCache();
	
	// paints image cache inside control
	if(imageCache.GetWidth() >= GetSize().cx)
		imageCache.Paint(d, Point(0, 0));
	else
		imageCache.Paint(d, Point((GetSize().cx - imageCache.GetWidth()) / 2, 0));
	
	// paints markers inside control
	PaintMarkers(d);
	
	// if dragging, paints rubber banded polygon
	if(selectedMarker && dragPolygon.GetCount())
	{
		d.DrawPolygon(dragPolygon, dragPolygon.GetCount(),
		selectedMarker->GetFillColor(),
		selectedMarker->GetBorderThickness(),
		selectedMarker->GetBorderColor(),
		PEN_DOT,
		White);
	}

} // END LeptonicaBaseCtrl::Paint()

void DrawImageBandRLE(Draw& w, int x, int y, const Image& m, int minp)
{
	int xi = 0;
	int cx = m.GetWidth();
	int ccy = m.GetHeight();
	Buffer<bool> todo(cx, true);
#ifdef BENCHMARK_RLE
	sTotal += cx;
#endif
	while(xi < cx) {
		int xi0 = xi;
		while(w.Dots() && IsWhiteColumn(m, xi) && xi < cx)
			xi++;
		if(xi - xi0 >= 16) {
#ifdef BENCHMARK_RLE
			sRle += xi - xi0;
#endif
			w.DrawRect(x + xi0, y, xi - xi0, ccy, White);
			Fill(~todo + xi0, ~todo + xi, false);
		}
		xi++;
	}
	
	xi = 0;
	while(xi < cx)
		if(todo[xi]) {
			int xi0 = xi;
			while(xi < cx && todo[xi] && xi - xi0 < 2000)
				xi++;
			w.DrawImage(x + xi0, y, m, RectC(xi0, 0, xi - xi0, ccy));
		}
		else
			xi++;
}

	virtual void Paint(Draw& w)
	{
		Size sz = GetSize();
		w.DrawRect(sz, LtGray);
		w.DrawRect(sz / 2, LtBlue);
		w.DrawText(10, 10, "Hello", Arial(12));
		w.DrawImage(50, 50, CtrlImg::exclamation());
		w.DrawImage(100, 50, CtrlImg::exclamation(), Blue);
		w.DrawImage(50, 150, CtrlsImg::O1h());
		w.DrawImage(150, 150, CtrlsImg::O1h());
		w.Clipoff(50, 180, 40, 40);
		w.DrawImage(0, 0, 50, 50, CtrlsImg::O1h());
		w.End();
		w.DrawImage(100, 100, ball);
		w.DrawImage(200, 200, 40, 40, ball);
	}