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+/**
+ * @file llstatbar.cpp
+ * @brief A little map of the world with network information
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ *
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ *
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab. Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ *
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ *
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ *
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+//#include "llviewerprecompiledheaders.h"
+#include "linden_common.h"
+
+#include "llstatbar.h"
+
+#include "llmath.h"
+#include "llui.h"
+#include "llgl.h"
+#include "llfontgl.h"
+
+#include "llstat.h"
+#include "lluictrlfactory.h"
+
+///////////////////////////////////////////////////////////////////////////////////
+
+LLStatBar::LLStatBar(const Params& p)
+ : LLView(p),
+ mLabel(p.label),
+ mUnitLabel(p.unit_label),
+ mMinBar(p.bar_min),
+ mMaxBar(p.bar_max),
+ mStatp(LLStat::getStat(p.stat)),
+ mTickSpacing(p.tick_spacing),
+ mLabelSpacing(p.label_spacing),
+ mPrecision(p.precision),
+ mUpdatesPerSec(p.update_rate),
+ mPerSec(p.show_per_sec),
+ mDisplayBar(p.show_bar),
+ mDisplayHistory(p.show_history),
+ mDisplayMean(p.show_mean)
+{
+}
+
+BOOL LLStatBar::handleMouseDown(S32 x, S32 y, MASK mask)
+{
+ if (mDisplayBar)
+ {
+ if (mDisplayHistory)
+ {
+ mDisplayBar = FALSE;
+ mDisplayHistory = FALSE;
+ }
+ else
+ {
+ mDisplayHistory = TRUE;
+ }
+ }
+ else
+ {
+ mDisplayBar = TRUE;
+ }
+
+ LLView* parent = getParent();
+ parent->reshape(parent->getRect().getWidth(), parent->getRect().getHeight(), FALSE);
+
+ return FALSE;
+}
+
+void LLStatBar::draw()
+{
+ if (!mStatp)
+ {
+// llinfos << "No stats for statistics bar!" << llendl;
+ return;
+ }
+
+ // Get the values.
+ F32 current, min, max, mean;
+ if (mPerSec)
+ {
+ current = mStatp->getCurrentPerSec();
+ min = mStatp->getMinPerSec();
+ max = mStatp->getMaxPerSec();
+ mean = mStatp->getMeanPerSec();
+ }
+ else
+ {
+ current = mStatp->getCurrent();
+ min = mStatp->getMin();
+ max = mStatp->getMax();
+ mean = mStatp->getMean();
+ }
+
+
+ if ((mUpdatesPerSec == 0.f) || (mUpdateTimer.getElapsedTimeF32() > 1.f/mUpdatesPerSec) || (mValue == 0.f))
+ {
+ if (mDisplayMean)
+ {
+ mValue = mean;
+ }
+ else
+ {
+ mValue = current;
+ }
+ mUpdateTimer.reset();
+ }
+
+ S32 width = getRect().getWidth() - 40;
+ S32 max_width = width;
+ S32 bar_top = getRect().getHeight() - 15; // 16 pixels from top.
+ S32 bar_height = bar_top - 20;
+ S32 tick_height = 4;
+ S32 tick_width = 1;
+ S32 left, top, right, bottom;
+
+ F32 value_scale = max_width/(mMaxBar - mMinBar);
+
+ LLFontGL::getFontMonospace()->renderUTF8(mLabel, 0, 0, getRect().getHeight(), LLColor4(1.f, 1.f, 1.f, 1.f),
+ LLFontGL::LEFT, LLFontGL::TOP);
+
+ std::string value_format;
+ std::string value_str;
+ if (!mUnitLabel.empty())
+ {
+ value_format = llformat( "%%.%df%%s", mPrecision);
+ value_str = llformat( value_format.c_str(), mValue, mUnitLabel.c_str());
+ }
+ else
+ {
+ value_format = llformat( "%%.%df", mPrecision);
+ value_str = llformat( value_format.c_str(), mValue);
+ }
+
+ // Draw the value.
+ LLFontGL::getFontMonospace()->renderUTF8(value_str, 0, width, getRect().getHeight(),
+ LLColor4(1.f, 1.f, 1.f, 0.5f),
+ LLFontGL::RIGHT, LLFontGL::TOP);
+
+ value_format = llformat( "%%.%df", mPrecision);
+ if (mDisplayBar)
+ {
+ std::string tick_label;
+
+ // Draw the tick marks.
+ F32 tick_value;
+ top = bar_top;
+ bottom = bar_top - bar_height - tick_height/2;
+
+ LLGLSUIDefault gls_ui;
+ gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+ for (tick_value = mMinBar; tick_value <= mMaxBar; tick_value += mTickSpacing)
+ {
+ left = llfloor((tick_value - mMinBar)*value_scale);
+ right = left + tick_width;
+ gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 1.f, 1.f, 0.1f));
+ }
+
+ // Draw the tick labels (and big ticks).
+ bottom = bar_top - bar_height - tick_height;
+ for (tick_value = mMinBar; tick_value <= mMaxBar; tick_value += mLabelSpacing)
+ {
+ left = llfloor((tick_value - mMinBar)*value_scale);
+ right = left + tick_width;
+ gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 1.f, 1.f, 0.25f));
+
+ tick_label = llformat( value_format.c_str(), tick_value);
+ // draw labels for the tick marks
+ LLFontGL::getFontMonospace()->renderUTF8(tick_label, 0, left - 1, bar_top - bar_height - tick_height,
+ LLColor4(1.f, 1.f, 1.f, 0.5f),
+ LLFontGL::LEFT, LLFontGL::TOP);
+ }
+
+ // Now, draw the bars
+ top = bar_top;
+ bottom = bar_top - bar_height;
+
+ // draw background bar.
+ left = 0;
+ right = width;
+ gl_rect_2d(left, top, right, bottom, LLColor4(0.f, 0.f, 0.f, 0.25f));
+
+ if (mStatp->getNumValues() == 0)
+ {
+ // No data, don't draw anything...
+ return;
+ }
+ // draw min and max
+ left = (S32) ((min - mMinBar) * value_scale);
+
+ if (left < 0)
+ {
+ left = 0;
+ llwarns << "Min:" << min << llendl;
+ }
+
+ right = (S32) ((max - mMinBar) * value_scale);
+ gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 0.f, 0.f, 0.25f));
+
+ S32 num_values = mStatp->getNumValues() - 1;
+ if (mDisplayHistory)
+ {
+ S32 i;
+ for (i = 0; i < num_values; i++)
+ {
+ if (i == mStatp->getNextBin())
+ {
+ continue;
+ }
+ if (mPerSec)
+ {
+ left = (S32)((mStatp->getPrevPerSec(i) - mMinBar) * value_scale);
+ right = (S32)((mStatp->getPrevPerSec(i) - mMinBar) * value_scale) + 1;
+ gl_rect_2d(left, bottom+i+1, right, bottom+i, LLColor4(1.f, 0.f, 0.f, 1.f));
+ }
+ else
+ {
+ left = (S32)((mStatp->getPrev(i) - mMinBar) * value_scale);
+ right = (S32)((mStatp->getPrev(i) - mMinBar) * value_scale) + 1;
+ gl_rect_2d(left, bottom+i+1, right, bottom+i, LLColor4(1.f, 0.f, 0.f, 1.f));
+ }
+ }
+ }
+ else
+ {
+ // draw current
+ left = (S32) ((current - mMinBar) * value_scale) - 1;
+ right = (S32) ((current - mMinBar) * value_scale) + 1;
+ gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 0.f, 0.f, 1.f));
+ }
+
+ // draw mean bar
+ top = bar_top + 2;
+ bottom = bar_top - bar_height - 2;
+ left = (S32) ((mean - mMinBar) * value_scale) - 1;
+ right = (S32) ((mean - mMinBar) * value_scale) + 1;
+ gl_rect_2d(left, top, right, bottom, LLColor4(0.f, 1.f, 0.f, 1.f));
+ }
+
+ LLView::draw();
+}
+
+void LLStatBar::setRange(F32 bar_min, F32 bar_max, F32 tick_spacing, F32 label_spacing)
+{
+ mMinBar = bar_min;
+ mMaxBar = bar_max;
+ mTickSpacing = tick_spacing;
+ mLabelSpacing = label_spacing;
+}
+
+LLRect LLStatBar::getRequiredRect()
+{
+ LLRect rect;
+
+ if (mDisplayBar)
+ {
+ if (mDisplayHistory)
+ {
+ rect.mTop = 67;
+ }
+ else
+ {
+ rect.mTop = 40;
+ }
+ }
+ else
+ {
+ rect.mTop = 14;
+ }
+ return rect;
+}
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