void QGLView::drawTexts()
{
QList<Parameters*>* parametersList = getDrawableList(Text);
if (parametersList->isEmpty())
{
return;
}
m_textVertexBuffer->bind();
m_textProgram->enableAttributeArray(m_textPositionLocation);
m_textProgram->enableAttributeArray(m_textTexCoordinateLocation);
m_textProgram->setAttributeBuffer(m_textPositionLocation, GL_FLOAT, 0, 3, sizeof(TextVertex));
m_textProgram->setAttributeBuffer(m_textTexCoordinateLocation, GL_FLOAT, 3*sizeof(GLfloat), 2, sizeof(TextVertex));
for (int i = 0; i < parametersList->size(); ++i)
{
TextParameters *textParameters = static_cast<TextParameters*>(parametersList->at(i));
QStaticText staticText = textParameters->staticText;
int textureIndex;
QOpenGLTexture *texture;
float aspectRatio;
textureIndex = m_textTextList.indexOf(staticText);
texture = m_textTextureList.at(textureIndex);
aspectRatio = m_textAspectRatioList.at(textureIndex);
if (!texture->isCreated()) // initialize texture on first use
{
createTextTexture(textParameters);
}
m_textProgram->setUniformValue(m_textAspectRatioLocation, aspectRatio);
m_textProgram->setUniformValue(m_textAlignmentLocation, (GLint)textParameters->alignment);
m_textProgram->setUniformValue(m_textColorLocation, textParameters->color);
m_textProgram->setUniformValue(m_textModelMatrixLocation, textParameters->modelMatrix);
m_textProgram->setUniformValue(m_textTextureLocation, texture->textureId());
if (m_selectionModeActive) // selection mode active
{
m_textProgram->setUniformValue(m_textIdColorLocation, QColor(0xFF000000u + m_currentDrawableId)); // color for selection mode
m_drawableIdMap.insert(m_currentDrawableId, textParameters);
m_currentDrawableId++;
}
texture->bind(texture->textureId());
glDrawArrays(GL_TRIANGLES, 0, m_textVertexBuffer->size()/sizeof(TextVertex));
texture->release(texture->textureId());
}
m_textProgram->disableAttributeArray(m_textPositionLocation);
m_textProgram->disableAttributeArray(m_textTexCoordinateLocation);
m_textVertexBuffer->release();
}
GLuint NaviCubeImplementation::createCubeFaceTex(QtGLWidget* gl, float gap, float radius, const char* text) {
int texSize = m_CubeWidgetSize* m_OverSample;
int gapi = texSize * gap;
int radiusi = texSize * radius;
QImage image(texSize, texSize, QImage::Format_ARGB32);
image.fill(qRgba(255, 255, 255, 0));
QPainter paint;
paint.begin(&image);
if (text) {
paint.setPen(Qt::white);
QFont sansFont(str("Helvetica"), 0.1875 * texSize);
paint.setFont(sansFont);
paint.drawText(QRect(0, 0, texSize, texSize), Qt::AlignCenter,qApp->translate("Gui::NaviCube",text));
}
else {
QPainterPath path;
path.addRoundedRect(QRectF(gapi, gapi, texSize - 2 * gapi, texSize - 2 * gapi), radiusi, radiusi);
paint.fillPath(path, Qt::white);
}
paint.end();
#if !defined(HAVE_QT5_OPENGL)
return gl->bindTexture(image);
#else
Q_UNUSED(gl);
QOpenGLTexture *texture = new QOpenGLTexture(image.mirrored());
m_glTextures.push_back(texture);
return texture->textureId();
#endif
}
GLuint NaviCubeImplementation::createMenuTex(QtGLWidget* gl, bool forPicking) {
int texSize = m_CubeWidgetSize* m_OverSample;
QImage image(texSize, texSize, QImage::Format_ARGB32);
image.fill(qRgba(0, 0, 0, 0));
QPainter painter;
painter.begin(&image);
QTransform transform;
transform.translate(texSize * 12 / 16, texSize * 13 / 16);
transform.scale(texSize/200.0,texSize/200.0); // 200 == size at which this was designed
painter.setTransform(transform);
QPainterPath path;
if (forPicking) {
path.addRoundedRect(-25,-8,75,45,6,6);
painter.fillPath(path, Qt::white);
}
else {
// top
path.moveTo(0,0);
path.lineTo(15,5);
path.lineTo(0,10);
path.lineTo(-15,5);
painter.fillPath(path, QColor(240,240,240));
// left
QPainterPath path2;
path2.lineTo(0,10);
path2.lineTo(-15,5);
path2.lineTo(-15,25);
path2.lineTo(0,30);
painter.fillPath(path2, QColor(190,190,190));
// right
QPainterPath path3;
path3.lineTo(0,10);
path3.lineTo(15,5);
path3.lineTo(15,25);
path3.lineTo(0,30);
painter.fillPath(path3, QColor(220,220,220));
// outline
QPainterPath path4;
path4.moveTo(0,0);
path4.lineTo(15,5);
path4.lineTo(15,25);
path4.lineTo(0,30);
path4.lineTo(-15,25);
path4.lineTo(-15,5);
path4.lineTo(0,0);
painter.strokePath(path4, QColor(128,128,128));
// menu triangle
QPainterPath path5;
path5.moveTo(20,10);
path5.lineTo(40,10);
path5.lineTo(30,20);
path5.lineTo(20,10);
painter.fillPath(path5, QColor(64,64,64));
}
painter.end();
#if !defined(HAVE_QT5_OPENGL)
return gl->bindTexture(image);
#else
Q_UNUSED(gl);
QOpenGLTexture *texture = new QOpenGLTexture(image.mirrored());
m_glTextures.push_back(texture);
return texture->textureId();
#endif
}
GLuint NaviCubeImplementation::createButtonTex(QtGLWidget* gl, int button) {
int texSize = m_CubeWidgetSize * m_OverSample;
QImage image(texSize, texSize, QImage::Format_ARGB32);
image.fill(qRgba(255, 255, 255, 0));
QPainter painter;
painter.begin(&image);
QTransform transform;
transform.translate(texSize / 2, texSize / 2);
transform.scale(texSize / 2, texSize / 2);
painter.setTransform(transform);
QPainterPath path;
float as1 = 0.12f; // arrow size
float as3 = as1 / 3;
switch (button) {
default:
break;
case TEX_ARROW_RIGHT:
case TEX_ARROW_LEFT: {
QRectF r(-1.00, -1.00, 2.00, 2.00);
QRectF r0(r);
r.adjust(as3, as3, -as3, -as3);
QRectF r1(r);
r.adjust(as3, as3, -as3, -as3);
QRectF r2(r);
r.adjust(as3, as3, -as3, -as3);
QRectF r3(r);
r.adjust(as3, as3, -as3, -as3);
QRectF r4(r);
float a0 = 72;
float a1 = 45;
float a2 = 38;
if (TEX_ARROW_LEFT == button) {
a0 = 180 - a0;
a1 = 180 - a1;
a2 = 180 - a2;
}
path.arcMoveTo(r0, a1);
QPointF p0 = path.currentPosition();
path.arcMoveTo(r2, a2);
QPointF p1 = path.currentPosition();
path.arcMoveTo(r4, a1);
QPointF p2 = path.currentPosition();
path.arcMoveTo(r1, a0);
path.arcTo(r1, a0, -(a0 - a1));
path.lineTo(p0);
path.lineTo(p1);
path.lineTo(p2);
path.arcTo(r3, a1, +(a0 - a1));
break;
}
case TEX_ARROW_EAST: {
path.moveTo(1, 0);
path.lineTo(1 - as1, +as1);
path.lineTo(1 - as1, -as1);
break;
}
case TEX_ARROW_WEST: {
path.moveTo(-1, 0);
path.lineTo(-1 + as1, -as1);
path.lineTo(-1 + as1, +as1);
break;
}
case TEX_ARROW_SOUTH: {
path.moveTo(0, 1);
path.lineTo(-as1,1 - as1);
path.lineTo(+as1,1 - as1);
break;
}
case TEX_ARROW_NORTH: {
path.moveTo(0, -1);
path.lineTo(+as1,-1 + as1);
path.lineTo(-as1,-1 + as1);
break;
}
}
painter.fillPath(path, Qt::white);
painter.end();
//image.save(str(enum2str(button))+str(".png"));
#if !defined(HAVE_QT5_OPENGL)
return gl->bindTexture(image);
#else
Q_UNUSED(gl);
QOpenGLTexture *texture = new QOpenGLTexture(image.mirrored());
m_glTextures.push_back(texture);
return texture->textureId();
#endif
}
