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Unify demod drawing functions

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This commit is contained in:
Charles J. Cliffe
2014-12-08 21:08:03 -05:00
parent 7f9a871598
commit 33e2e18c57
6 changed files with 112 additions and 100 deletions
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src/visual/PrimaryGLContext.cpp
+91
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@@ -66,3 +66,94 @@ GLFont *PrimaryGLContext::getFont() {
return font;
}
void PrimaryGLContext::DrawDemod(DemodulatorInstance *demod, float r, float g, float b) {
if (!demod) {
return;
}
float uxPos = (float) (demod->getParams().frequency - (wxGetApp().getFrequency() - SRATE / 2)) / (float) SRATE;
glDisable(GL_DEPTH_TEST);
glDisable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_DST_COLOR);
glColor4f(r, g, b, 0.6);
glBegin(GL_LINES);
glVertex3f((uxPos - 0.5) * 2.0, 1.0, 0.0);
glVertex3f((uxPos - 0.5) * 2.0, -1.0, 0.0);
float ofs = ((float) demod->getParams().bandwidth) / (float) SRATE;
glVertex3f((uxPos - 0.5) * 2.0 - ofs, 1.0, 0.0);
glVertex3f((uxPos - 0.5) * 2.0 - ofs, -1.0, 0.0);
glVertex3f((uxPos - 0.5) * 2.0 + ofs, 1.0, 0.0);
glVertex3f((uxPos - 0.5) * 2.0 + ofs, -1.0, 0.0);
glEnd();
glBlendFunc(GL_SRC_ALPHA, GL_DST_COLOR);
glColor4f(r, g, b, 0.2);
glBegin(GL_QUADS);
glVertex3f((uxPos - 0.5) * 2.0 - ofs, 1.0, 0.0);
glVertex3f((uxPos - 0.5) * 2.0 - ofs, -1.0, 0.0);
glVertex3f((uxPos - 0.5) * 2.0 + ofs, -1.0, 0.0);
glVertex3f((uxPos - 0.5) * 2.0 + ofs, 1.0, 0.0);
glEnd();
glDisable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
}
void PrimaryGLContext::DrawFreqSelector(float uxPos, float r, float g, float b) {
DemodulatorInstance *demod = wxGetApp().getDemodTest();
if (!demod) {
return;
}
glDisable(GL_DEPTH_TEST);
glDisable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_DST_COLOR);
glColor4f(r, g, b, 0.6);
glBegin(GL_LINES);
glVertex3f((uxPos - 0.5) * 2.0, 1.0, 0.0);
glVertex3f((uxPos - 0.5) * 2.0, -1.0, 0.0);
float ofs = ((float) demod->getParams().bandwidth) / (float) SRATE;
glVertex3f((uxPos - 0.5) * 2.0 - ofs, 1.0, 0.0);
glVertex3f((uxPos - 0.5) * 2.0 - ofs, -1.0, 0.0);
glVertex3f((uxPos - 0.5) * 2.0 + ofs, 1.0, 0.0);
glVertex3f((uxPos - 0.5) * 2.0 + ofs, -1.0, 0.0);
glEnd();
glDisable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
}
void PrimaryGLContext::BeginDraw() {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void PrimaryGLContext::EndDraw() {
glFlush();
CheckGLError();
}