CubicSDR/src/visual/ScopeContext.cpp

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#include "ScopeContext.h"
#include "ScopeCanvas.h"
#include "ColorTheme.h"
ScopeContext::ScopeContext(ScopeCanvas *canvas, wxGLContext *sharedContext) :
PrimaryGLContext(canvas, sharedContext) {
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glDisable (GL_CULL_FACE);
glDisable (GL_DEPTH_TEST);
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glMatrixMode (GL_PROJECTION);
glLoadIdentity();
}
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void ScopeContext::DrawBegin() {
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glClearColor(ThemeMgr::mgr.currentTheme->scopeBackground.r, ThemeMgr::mgr.currentTheme->scopeBackground.g,
ThemeMgr::mgr.currentTheme->scopeBackground.b, 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glMatrixMode (GL_MODELVIEW);
glLoadIdentity();
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glDisable (GL_TEXTURE_2D);
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}
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void ScopeContext::Plot(std::vector<float> &points, bool stereo, bool ppmMode) {
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if (stereo) {
glBegin(GL_QUADS);
glColor3f(ThemeMgr::mgr.currentTheme->scopeBackground.r, ThemeMgr::mgr.currentTheme->scopeBackground.g, ThemeMgr::mgr.currentTheme->scopeBackground.b);
glVertex2f(1, 1);
glVertex2f(-1, 1);
glColor3f(ThemeMgr::mgr.currentTheme->scopeBackground.r*2.0, ThemeMgr::mgr.currentTheme->scopeBackground.g*2.0, ThemeMgr::mgr.currentTheme->scopeBackground.b*2.0);
glVertex2f(-1, 0.5);
glVertex2f(1, 0.5);
glVertex2f(-1, 0.5);
glVertex2f(1, 0.5);
glColor3f(ThemeMgr::mgr.currentTheme->scopeBackground.r, ThemeMgr::mgr.currentTheme->scopeBackground.g, ThemeMgr::mgr.currentTheme->scopeBackground.b);
glVertex2f(1, 0.0);
glVertex2f(-1, 0.0);
glColor3f(ThemeMgr::mgr.currentTheme->scopeBackground.r, ThemeMgr::mgr.currentTheme->scopeBackground.g, ThemeMgr::mgr.currentTheme->scopeBackground.b);
glVertex2f(1, 0);
glVertex2f(-1, 0);
glColor3f(ThemeMgr::mgr.currentTheme->scopeBackground.r*2.0, ThemeMgr::mgr.currentTheme->scopeBackground.g*2.0, ThemeMgr::mgr.currentTheme->scopeBackground.b*2.0);
glVertex2f(-1, -0.5);
glVertex2f(1, -0.5);
glVertex2f(-1, -0.5);
glVertex2f(1, -0.5);
glColor3f(ThemeMgr::mgr.currentTheme->scopeBackground.r, ThemeMgr::mgr.currentTheme->scopeBackground.g, ThemeMgr::mgr.currentTheme->scopeBackground.b);
glVertex2f(1, -1.0);
glVertex2f(-1, -1.0);
glEnd();
} else {
glBegin (GL_QUADS);
glColor3f(ThemeMgr::mgr.currentTheme->scopeBackground.r, ThemeMgr::mgr.currentTheme->scopeBackground.g,
ThemeMgr::mgr.currentTheme->scopeBackground.b);
glVertex2f(1, 1);
glVertex2f(-1, 1);
glColor3f(ThemeMgr::mgr.currentTheme->scopeBackground.r * 2.0, ThemeMgr::mgr.currentTheme->scopeBackground.g * 2.0,
ThemeMgr::mgr.currentTheme->scopeBackground.b * 2.0);
glVertex2f(-1, 0);
glVertex2f(1, 0);
glVertex2f(-1, 0);
glVertex2f(1, 0);
glColor3f(ThemeMgr::mgr.currentTheme->scopeBackground.r, ThemeMgr::mgr.currentTheme->scopeBackground.g,
ThemeMgr::mgr.currentTheme->scopeBackground.b);
glVertex2f(1, -1);
glVertex2f(-1, -1);
glEnd();
}
glLineWidth(1.0);
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GLint vp[4];
glGetIntegerv(GL_VIEWPORT, vp);
float viewHeight = (float) vp[3];
float hPos = (float) (13) / viewHeight;
glColor3f(0.65, 0.65, 0.65);
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getFont(PrimaryGLContext::GLFONT_SIZE12).drawString(ppmMode?"Device PPM":"Frequency", -0.66, -1.0+hPos, 12, GLFont::GLFONT_ALIGN_CENTER, GLFont::GLFONT_ALIGN_CENTER);
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getFont(PrimaryGLContext::GLFONT_SIZE12).drawString("Bandwidth", 0.0, -1.0+hPos, 12, GLFont::GLFONT_ALIGN_CENTER, GLFont::GLFONT_ALIGN_CENTER);
getFont(PrimaryGLContext::GLFONT_SIZE12).drawString("Center Frequency", 0.66, -1.0+hPos, 12, GLFont::GLFONT_ALIGN_CENTER, GLFont::GLFONT_ALIGN_CENTER);
if (stereo) {
glColor3f(ThemeMgr::mgr.currentTheme->scopeLine.r, ThemeMgr::mgr.currentTheme->scopeLine.g, ThemeMgr::mgr.currentTheme->scopeLine.b);
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glBegin (GL_LINES);
glVertex2f(-1.0, 0.0);
glVertex2f(1.0, 0.0);
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glColor3f(ThemeMgr::mgr.currentTheme->scopeLine.r * 0.35, ThemeMgr::mgr.currentTheme->scopeLine.g * 0.35,
ThemeMgr::mgr.currentTheme->scopeLine.b * 0.35);
glVertex2f(-1.0, 0.5);
glVertex2f(1.0, 0.5);
glVertex2f(-1.0, -0.5);
glVertex2f(1.0, -0.5);
glEnd();
} else {
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glColor3f(ThemeMgr::mgr.currentTheme->scopeLine.r * 0.35, ThemeMgr::mgr.currentTheme->scopeLine.g * 0.35,
ThemeMgr::mgr.currentTheme->scopeLine.b * 0.35);
glBegin (GL_LINES);
glVertex2f(-1.0, 0.0);
glVertex2f(1.0, 0.0);
glEnd();
}
if (points.size()) {
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glEnable (GL_BLEND);
glEnable (GL_LINE_SMOOTH);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4f(ThemeMgr::mgr.currentTheme->scopeLine.r, ThemeMgr::mgr.currentTheme->scopeLine.g, ThemeMgr::mgr.currentTheme->scopeLine.b, 1.0);
glEnableClientState (GL_VERTEX_ARRAY);
glVertexPointer(2, GL_FLOAT, 0, &points[0]);
if (stereo) {
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glLineWidth(1.5);
glPushMatrix();
glTranslatef(-1.0f, 0.5f, 0.0f);
glScalef(4.0f, 0.92f, 1.0f);
glDrawArrays(GL_LINE_STRIP, 0, points.size() / 4);
glPopMatrix();
glPushMatrix();
glTranslatef(-3.0f, -0.5f, 0.0f);
glPushMatrix();
glScalef(4.0f, 0.92f, 1.0f);
glDrawArrays(GL_LINE_STRIP, points.size() / 4, points.size() / 4);
glPopMatrix();
glPopMatrix();
} else {
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glLineWidth(1.5);
glPushMatrix();
glTranslatef(-1.0f, 0.0f, 0.0f);
glScalef(2.0f, 2.0f, 1.0f);
glDrawArrays(GL_LINE_STRIP, 0, points.size() / 2);
glPopMatrix();
}
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glLineWidth(1.0);
glDisableClientState(GL_VERTEX_ARRAY);
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glDisable(GL_BLEND);
}
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}
void ScopeContext::DrawDeviceName(std::string deviceName) {
GLint vp[4];
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glGetIntegerv(GL_VIEWPORT, vp);
float viewHeight = (float) vp[3];
float hPos = (float) (viewHeight - 20) / viewHeight;
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glColor3f(0.65, 0.65, 0.65);
getFont(PrimaryGLContext::GLFONT_SIZE12).drawString(deviceName.c_str(), 1.0, hPos, 12, GLFont::GLFONT_ALIGN_RIGHT, GLFont::GLFONT_ALIGN_CENTER);
}
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void ScopeContext::DrawEnd() {
glFlush();
CheckGLError();
}
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void ScopeContext::DrawDivider() {
glColor3f(1.0, 1.0, 1.0);
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glBegin (GL_LINES);
glVertex2f(0.0, -1.0);
glVertex2f(0.0, 1.0);
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glEnd();
}