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https://gitlab.com/pholy/OSCAR-code.git
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131 lines
3.0 KiB
C++
131 lines
3.0 KiB
C++
/*
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gFooBar Implementation
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Copyright (c)2011 Mark Watkins <jedimark@users.sourceforge.net>
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License: GPL
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*/
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#include <cmath>
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#include "gFooBar.h"
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gShadowArea::gShadowArea(QColor shadow_color)
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:Layer(EmptyChannel),m_shadow_color(shadow_color)
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{
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}
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gShadowArea::~gShadowArea()
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{
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}
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void gShadowArea::paint(gGraph & w,int left, int top, int width, int height)
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{
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if (!m_visible) return;
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double xx=w.max_x-w.min_x;
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if (xx==0)
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return;
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int start_px=left;
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int end_px=left+width;
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float h=top;
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double rmx=w.rmax_x-w.rmin_x;
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double px=((1/rmx)*(w.min_x-w.rmin_x))*width;
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double py=((1/rmx)*(w.max_x-w.rmin_x))*width;
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glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
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glEnable(GL_BLEND);
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glBegin(GL_QUADS);
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w.qglColor(m_shadow_color);
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glVertex2f(start_px, top);
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glVertex2f(start_px, top+height);
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glVertex2f(start_px+px, top+height);
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glVertex2f(start_px+px, top);
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glVertex2f(start_px+py, top);
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glVertex2f(start_px+py, top+height);
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glVertex2f(end_px, top+height);
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glVertex2f(end_px, top);
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glEnd();
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glDisable(GL_BLEND);
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//glFlush();
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}
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gFooBar::gFooBar(int offset,QColor handle_color,QColor line_color)
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:Layer(EmptyChannel),m_offset(offset),m_handle_color(handle_color),m_line_color(line_color)
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{
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}
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gFooBar::~gFooBar()
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{
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}
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void gFooBar::paint(gGraph & w,int left, int top, int width, int height)
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{
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if (!m_visible) return;
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double xx=w.max_x-w.min_x;
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if (xx==0)
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return;
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int start_px=left;
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int end_px=left+width;
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float h=top;
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/* glLineWidth(1);
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glBegin(GL_LINES);
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w.qglColor(m_line_color);
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glVertex2f(start_px, h);
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glVertex2f(start_px+width, h);
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glEnd(); */
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double rmx=w.rmax_x-w.rmin_x;
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double px=((1/rmx)*(w.min_x-w.rmin_x))*width;
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double py=((1/rmx)*(w.max_x-w.rmin_x))*width;
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int extra=0;
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if (fabs(px-py)<2) extra=2;
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int hh=25;
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glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
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glEnable(GL_BLEND);
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glBegin(GL_QUADS);
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w.qglColor(m_handle_color);
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glVertex2f(start_px+px-extra,top-hh);
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glVertex2f(start_px+py+extra,top-hh);
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//glColor4ub(255,255,255,128);
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glColor4ub(255,255,255,128);
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glVertex2f(start_px+py+extra,top-hh/2.0);
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glVertex2f(start_px+px-extra,top-hh/2.0);
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// glColor4ub(255,255,255,128);
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glColor4ub(255,255,255,128);
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glVertex2f(start_px+px-extra,top-hh/2.0);
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glVertex2f(start_px+py+extra,top-hh/2.0);
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w.qglColor(m_handle_color);
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// glColor4ub(192,192,192,128);
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glVertex2f(start_px+py+extra,h);
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glVertex2f(start_px+px-extra,h);
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glEnd();
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glDisable(GL_BLEND);
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w.qglColor(m_handle_color);
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glBegin(GL_LINE_LOOP);
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glVertex2f(start_px+px-extra,top-hh);
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glVertex2f(start_px+py+extra,top-hh);
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glVertex2f(start_px+py+extra,h);
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glVertex2f(start_px+px-extra,h);
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glEnd();
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/*glLineWidth(3);
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glBegin(GL_LINES);
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w.qglColor(m_handle_color);
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glVertex2f(start_px+px-extra,h);
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glVertex2f(start_px+py+extra,h);
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glEnd(); */
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glLineWidth(1);
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}
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