37 lines
927 B
C++
37 lines
927 B
C++
#include "SpectrumContext.h"
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#include "SpectrumCanvas.h"
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SpectrumContext::SpectrumContext(SpectrumCanvas *canvas, wxGLContext *sharedContext) :
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PrimaryGLContext(canvas, sharedContext) {
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glEnable(GL_CULL_FACE);
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glEnable(GL_DEPTH_TEST);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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}
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void SpectrumContext::Draw(std::vector<float> &points) {
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glDisable(GL_TEXTURE_2D);
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glColor3f(1.0, 1.0, 1.0);
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if (points.size()) {
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glPushMatrix();
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glTranslatef(-1.0f, -0.9f, 0.0f);
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glScalef(2.0f, 1.8f, 1.0f);
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glEnableClientState(GL_VERTEX_ARRAY);
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glVertexPointer(2, GL_FLOAT, 0, &points[0]);
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glDrawArrays(GL_LINE_STRIP, 0, points.size() / 2);
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glDisableClientState(GL_VERTEX_ARRAY);
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glPopMatrix();
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}
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CheckGLError();
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}
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