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#include "DrawComplexGLWidget.h" | ||
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#include "triangulator.hpp" | ||
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void DrawComplexGLWidget::initializeGL() | ||
{ | ||
// Set up the rendering context, load shaders and other resources, etc.: | ||
QOpenGLFunctions* f = QOpenGLContext::currentContext()->functions(); | ||
//f->glClearColor(0.0f, 0.0f, 0.0f, 0.0f); | ||
f->glClearColor(1.0f, 1.0f, 1.0f, 1.0f); | ||
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static const char *vertexShaderSource = | ||
/*"attribute highp vec4 posAttr;\n" | ||
"uniform highp mat4 matrix;\n" | ||
"void main(void)\n" | ||
"{\n" | ||
" gl_Position = matrix * posAttr;\n" | ||
"}"; */ | ||
"attribute highp vec4 posAttr;\n" | ||
"attribute lowp vec4 colAttr;\n" | ||
"varying lowp vec4 col;\n" | ||
"uniform highp mat4 matrix;\n" | ||
"void main() {\n" | ||
" col = colAttr;\n" | ||
" gl_Position = matrix * posAttr;\n" | ||
"}\n"; | ||
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static const char *fragmentShaderSource = | ||
"varying lowp vec4 col;\n" | ||
"void main() {\n" | ||
" gl_FragColor = col;\n" | ||
"}\n"; | ||
/*"uniform mediump vec4 color;\n" | ||
"void main(void)\n" | ||
"{\n" | ||
" gl_FragColor = color;\n" | ||
"}"; */ | ||
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m_program = new QOpenGLShaderProgram(this); | ||
m_program->addShaderFromSourceCode(QOpenGLShader::Vertex, vertexShaderSource); | ||
m_program->addShaderFromSourceCode(QOpenGLShader::Fragment, fragmentShaderSource); | ||
m_program->link(); | ||
m_posAttr = m_program->attributeLocation("posAttr"); | ||
Q_ASSERT(m_posAttr != -1); | ||
m_colAttr = m_program->attributeLocation("colAttr"); | ||
Q_ASSERT(m_colAttr != -1); | ||
m_matrixUniform = m_program->uniformLocation("matrix"); | ||
Q_ASSERT(m_matrixUniform != -1); | ||
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vertex1_x_pos = 115; | ||
} | ||
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void DrawComplexGLWidget::resizeGL(int w, int h) | ||
{ | ||
// Update projection matrix and other size related settings: | ||
//m_projection.setToIdentity(); | ||
//m_projection.perspective(45.0f, w / float(h), 0.01f, 100.0f); | ||
} | ||
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void DrawComplexGLWidget::create_test (GLfloat *vertices, GLfloat *colors) | ||
{ | ||
static const GLfloat verticesTriangle[] = { | ||
0.0f, 0.707f, | ||
-0.5f, -0.5f, | ||
0.5f, -0.5f | ||
}; | ||
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static const GLfloat colorsTriangle[] = { | ||
1.0f, 0.0f, 0.0f, | ||
0.0f, 1.0f, 0.0f, | ||
0.0f, 0.0f, 1.0f | ||
}; | ||
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for (int i = 0; i < 6; i++) | ||
{ | ||
vertices[i] = verticesTriangle[i]; | ||
} | ||
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for (int i = 0; i < 9; i++) | ||
{ | ||
colors[i] = colorsTriangle[i]; | ||
} | ||
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} | ||
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void DrawComplexGLWidget::create_circleTriangles (GLfloat *vertices, int subdivs) | ||
{ | ||
GLfloat fSubDivs = (GLfloat)subdivs; | ||
double diff = 2 * M_PI / fSubDivs; | ||
double radius = 4; | ||
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for (int i = 0; i < subdivs; i ++) | ||
{ | ||
vertices[i * 6] = 0.0f; | ||
vertices[i * 6 + 1] = 0.0f; | ||
vertices[i * 6 + 2] = radius * cos((double)i * diff); | ||
vertices[i * 6 + 3] = radius * sin((double)i * diff); | ||
vertices[i * 6 + 4] = radius * cos((double)(i + 1) * diff); | ||
vertices[i * 6 + 5] = radius * sin((double)(i + 1) * diff); | ||
} | ||
} | ||
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void DrawComplexGLWidget::create_circleTriangleFan (GLfloat *vertices, int subdivs) | ||
{ | ||
GLfloat fSubDivs = (GLfloat)subdivs; | ||
double diff = 2 * M_PI / fSubDivs; | ||
double radius = 4; | ||
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vertices[0] = 0.0f; | ||
vertices[1] = 0.0f; | ||
for (int i = 0; i <= subdivs; i ++) | ||
{ | ||
vertices[2 + i * 2] = radius * cos((double)i * diff); | ||
vertices[2 + i * 2 + 1] = radius * sin((double)i * diff); | ||
} | ||
} | ||
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void DrawComplexGLWidget::create_circle (GLfloat *vertices, int subdivs) | ||
{ | ||
GLfloat fSubDivs = (GLfloat)subdivs; | ||
double diff = 2 * M_PI / fSubDivs; | ||
double radius = 4; | ||
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for (int i = 0; i < subdivs; i ++) | ||
{ | ||
vertices[i * 4] = radius * cos((double)i * diff); | ||
vertices[i * 4 + 1] = radius * sin((double)i * diff); | ||
vertices[i * 4 + 2] = radius * cos((double)(i + 1) * diff); | ||
vertices[i * 4 + 3] = radius * sin((double)(i + 1) * diff); | ||
} | ||
} | ||
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void DrawComplexGLWidget::draw_lines(QOpenGLFunctions *f, GLfloat *vertices, int numVertices) | ||
{ | ||
GLfloat *colors = new GLfloat[numVertices * 3]; | ||
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int i; | ||
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GLfloat color = (GLfloat)0.0; | ||
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int numVertices3 = numVertices * 3; | ||
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for (i = 0; i < numVertices3; i++) | ||
{ | ||
colors[i] = color; | ||
} | ||
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/*QColor color1(255, 255, 255, 255); | ||
m_program->enableAttributeArray(m_posAttr); | ||
m_program->setAttributeArray(m_posAttr, vertices, 2); | ||
//program.setUniformValue(m_matrixUniform, pmvMatrix); | ||
m_program->setUniformValue(m_colAttr, color1); | ||
m_program->bind(); | ||
f->glDrawArrays(GL_LINES, 0, numVertices); | ||
m_program->disableAttributeArray(m_posAttr); */ | ||
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f->glVertexAttribPointer(m_posAttr, 2, GL_FLOAT, GL_FALSE, 0, vertices); | ||
f->glVertexAttribPointer(m_colAttr, 3, GL_FLOAT, GL_FALSE, 0, colors); | ||
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f->glEnableVertexAttribArray(m_posAttr); | ||
f->glEnableVertexAttribArray(m_colAttr); | ||
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f->glDrawArrays(GL_LINES, 0, numVertices); | ||
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f->glDisableVertexAttribArray(m_colAttr); | ||
f->glDisableVertexAttribArray(m_posAttr); | ||
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delete[] colors; | ||
} | ||
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void DrawComplexGLWidget::draw_triangleFan(QOpenGLFunctions *f, GLfloat *vertices, int numVertices) | ||
{ | ||
GLfloat *colors = new GLfloat[numVertices * 3]; | ||
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int i; | ||
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GLfloat color = (GLfloat)0.0; | ||
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int numVertices3 = numVertices * 3; | ||
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for (i = 0; i < numVertices3; i++) | ||
{ | ||
colors[i] = color; | ||
} | ||
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f->glVertexAttribPointer(m_posAttr, 2, GL_FLOAT, GL_FALSE, 0, vertices); | ||
f->glVertexAttribPointer(m_colAttr, 3, GL_FLOAT, GL_FALSE, 0, colors); | ||
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f->glEnableVertexAttribArray(m_posAttr); | ||
f->glEnableVertexAttribArray(m_colAttr); | ||
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f->glDrawArrays(GL_TRIANGLE_FAN, 0, numVertices); | ||
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f->glDisableVertexAttribArray(m_colAttr); | ||
f->glDisableVertexAttribArray(m_posAttr); | ||
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delete[] colors; | ||
} | ||
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void DrawComplexGLWidget::draw_triangles(QOpenGLFunctions *f, GLfloat *vertices, int numVertices) | ||
{ | ||
GLfloat *colors = new GLfloat[numVertices * 3]; | ||
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int i; | ||
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GLfloat color = (GLfloat)0.0; | ||
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int numVertices3 = numVertices * 3; | ||
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for (i = 0; i < numVertices3; i++) | ||
{ | ||
colors[i] = color; | ||
} | ||
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f->glVertexAttribPointer(m_posAttr, 2, GL_FLOAT, GL_FALSE, 0, vertices); | ||
f->glVertexAttribPointer(m_colAttr, 3, GL_FLOAT, GL_FALSE, 0, colors); | ||
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f->glEnableVertexAttribArray(m_posAttr); | ||
f->glEnableVertexAttribArray(m_colAttr); | ||
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f->glDrawArrays(GL_TRIANGLES, 0, numVertices); | ||
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f->glDisableVertexAttribArray(m_colAttr); | ||
f->glDisableVertexAttribArray(m_posAttr); | ||
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delete[] colors; | ||
} | ||
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void DrawComplexGLWidget::draw_testTriangle(QOpenGLFunctions *f, GLfloat *vertices, int numVertices, GLfloat *colors) | ||
{ | ||
f->glVertexAttribPointer(m_posAttr, 2, GL_FLOAT, GL_FALSE, 0, vertices); | ||
f->glVertexAttribPointer(m_colAttr, 3, GL_FLOAT, GL_FALSE, 0, colors); | ||
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f->glEnableVertexAttribArray(m_posAttr); | ||
f->glEnableVertexAttribArray(m_colAttr); | ||
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f->glDrawArrays(GL_TRIANGLES, 0, 3); | ||
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f->glDisableVertexAttribArray(m_colAttr); | ||
f->glDisableVertexAttribArray(m_posAttr); | ||
} | ||
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void DrawComplexGLWidget::create_simpcomp_line(GLfloat *vertices) | ||
{ | ||
vertices[0] = vertex1_x_pos; | ||
vertices[1] = 145.0f; | ||
vertices[2] = 325.0f; | ||
vertices[3] = 225.0f; | ||
} | ||
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void DrawComplexGLWidget::paintGL() | ||
{ | ||
// Draw the scene: | ||
QOpenGLFunctions* f = QOpenGLContext::currentContext()->functions(); | ||
f->glClear(GL_COLOR_BUFFER_BIT); | ||
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//f->glDisable(GL_DEPTH_BUFFER_BIT); | ||
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m_program->bind(); | ||
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QMatrix4x4 matrix; | ||
//matrix.perspective(60.0f, 4.0f / 3.0f, 0.1f, 100.0f); | ||
//m_program->setUniformValue(m_matrixUniform, matrix); | ||
//GLfloat vertices[6], colors[9]; | ||
//create_test(vertices, colors); | ||
//draw_testTriangle(f, vertices, 3, colors); | ||
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QRect rect; | ||
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/*if (this->width() > this->height()) { | ||
rect = QRect(0, 0, 100 * this->width() / this->height(), 100); | ||
} else { | ||
rect = QRect(0, 0, 100, 100 * this->height() / this->width()); | ||
} */ | ||
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rect = QRect(0, 0, this->width(), this->height()); | ||
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matrix.setToIdentity(); | ||
matrix.ortho(rect); | ||
//m_program->setUniformValue(m_matrixUniform, matrix); | ||
m_program->setUniformValue(m_matrixUniform, matrix); | ||
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GLfloat vertices_line[4 * 2]; | ||
create_simpcomp_line(vertices_line); | ||
draw_lines(f, vertices_line, 2); | ||
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/* matrix.translate(20, 20, 0); | ||
m_program->setUniformValue(m_matrixUniform, matrix); | ||
draw_lines(f, vertices_line, 2); */ | ||
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GLfloat vertices_circle[2 * 10 + 2 + 2]; // last vertex is repeated twice | ||
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create_circleTriangleFan(vertices_circle, 10); | ||
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matrix.setToIdentity(); | ||
matrix.ortho(rect); | ||
matrix.translate(vertex1_x_pos, 145, 0); | ||
m_program->setUniformValue(m_matrixUniform, matrix); | ||
draw_triangleFan(f, vertices_circle, 2 + 10); | ||
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matrix.setToIdentity(); | ||
matrix.ortho(rect); | ||
matrix.translate(325, 225, 0); | ||
m_program->setUniformValue(m_matrixUniform, matrix); | ||
draw_triangleFan(f, vertices_circle, 2 + 10); | ||
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} | ||
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void DrawComplexGLWidget::set_vertex1_x_pos(GLfloat value) | ||
{ | ||
vertex1_x_pos = value; | ||
} | ||
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void DrawComplexGLWidget::setDrawComplexStatusBar (QStatusBar *drawComplex) | ||
{ | ||
drawComplexStatusBar = drawComplex; | ||
} | ||
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void DrawComplexGLWidget::leaveEvent(QEvent *event) | ||
{ | ||
if (drawComplexStatusBar != NULL) | ||
{ | ||
drawComplexStatusBar->showMessage("0, 0"); | ||
} | ||
} | ||
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void DrawComplexGLWidget::enterEvent(QEnterEvent *e) | ||
{ | ||
std::string s = std::to_string((int)e->position().x()); | ||
std::string s1 = std::to_string((int)e->position().y()); | ||
if (drawComplexStatusBar != NULL) | ||
{ | ||
drawComplexStatusBar->showMessage((s + ", " + s1).c_str()); | ||
} | ||
} | ||
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void DrawComplexGLWidget::mouseMoveEvent(QMouseEvent *e) | ||
{ | ||
std::string s = std::to_string((int)e->position().x()); | ||
std::string s1 = std::to_string((int)e->position().y()); | ||
if (drawComplexStatusBar != NULL) | ||
{ | ||
drawComplexStatusBar->showMessage((s + ", " + s1).c_str()); | ||
} | ||
} | ||
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void DrawComplexGLWidget::mouseReleaseEvent(QMouseEvent *e) | ||
{ | ||
std::string s = std::to_string((int)e->position().x()); | ||
std::string s1 = std::to_string((int)e->position().y()); | ||
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QVBoxLayout *layout = new QVBoxLayout(); | ||
QLabel *label = new QLabel(); | ||
label->setText((s + ", " + s1).c_str()); | ||
layout->addWidget(label); | ||
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Inspector *inspector = new Inspector(item->simpComp->elements[0][0], item); | ||
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Utils::openWindowOnRandomPos(inspector); | ||
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inspector->show(); | ||
} |
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