void GLWidget::initializeGL() { QPalette palette; #ifndef Q_OS_WIN // getProcAddress is not working for me on Windows. if (Settings.playerGPU()) { QOpenGLContext* cx = context()->contextHandle(); if (m_glslManager && cx->hasExtension("GL_ARB_sync")) { ClientWaitSync = (ClientWaitSync_fp) cx->getProcAddress("glClientWaitSync"); } if (!ClientWaitSync) { emit gpuNotSupported(); delete m_glslManager; m_glslManager = 0; } } #endif initializeOpenGLFunctions(); qglClearColor(palette.color(QPalette::Window)); glShadeModel(GL_FLAT); glEnable(GL_TEXTURE_2D); glDisable(GL_DEPTH_TEST); glDisable(GL_CULL_FACE); glDisable(GL_LIGHTING); glDisable(GL_DITHER); glDisable(GL_BLEND); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); m_condition.wakeAll(); m_isInitialized = true; }
void KisMirrorAxis::drawDecoration(QPainter& gc, const QRectF& updateArea, const KisCoordinatesConverter* converter, KisCanvas2* canvas) { Q_UNUSED(updateArea); Q_UNUSED(converter); Q_UNUSED(canvas); gc.setPen(QPen(QColor(0, 0, 0, 128), 1)); gc.setBrush(Qt::white); gc.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform); QOpenGLContext *ctx = QOpenGLContext::currentContext(); bool hasMultisample = ((gc.paintEngine()->type() == QPaintEngine::OpenGL2) && (ctx->hasExtension("GL_ARB_multisample"))); // QPainter cannot anti-alias the edges of circles etc. when using OpenGL // So instead, use native OpenGL anti-aliasing when available. if (hasMultisample) { gc.beginNativePainting(); ctx->functions()->glEnable(GL_MULTISAMPLE); gc.endNativePainting(); } float halfHandleSize = d->handleSize / 2; d->recomputeVisibleAxes(gc.viewport()); if(d->mirrorHorizontal) { if (!d->horizontalAxis.isNull()) { // QPointF horizontalIndicatorCenter = d->horizontalAxis.unitVector().pointAt(15); // QRectF horizontalIndicator = QRectF(horizontalIndicatorCenter.x() - halfHandleSize, horizontalIndicatorCenter.y() - halfHandleSize, d->handleSize, d->handleSize); float horizontalHandlePosition = qBound<float>(d->minHandlePosition, d->horizontalHandlePosition, d->horizontalAxis.length() - d->minHandlePosition); QPointF horizontalHandleCenter = d->horizontalAxis.unitVector().pointAt(horizontalHandlePosition); d->horizontalHandle = QRectF(horizontalHandleCenter.x() - halfHandleSize, horizontalHandleCenter.y() - halfHandleSize, d->handleSize, d->handleSize); gc.setPen(QPen(QColor(0, 0, 0, 64), 2, Qt::DashDotDotLine, Qt::RoundCap, Qt::RoundJoin)); gc.drawLine(d->horizontalAxis); // gc.drawEllipse(horizontalIndicator); // gc.drawPixmap(horizontalIndicator.adjusted(5, 5, -5, -5).toRect(), d->horizontalIcon); gc.setPen(QPen(QColor(0, 0, 0, 128), 2)); gc.drawEllipse(d->horizontalHandle); gc.drawPixmap(d->horizontalHandle.adjusted(5, 5, -5, -5).toRect(), d->horizontalIcon); } else { d->horizontalHandle = QRectF(); } } if(d->mirrorVertical) { if (!d->verticalAxis.isNull()) { gc.setPen(QPen(QColor(0, 0, 0, 64), 2, Qt::DashDotDotLine, Qt::RoundCap, Qt::RoundJoin)); gc.drawLine(d->verticalAxis); // QPointF verticalIndicatorCenter = d->verticalAxis.unitVector().pointAt(15); // QRectF verticalIndicator = QRectF(verticalIndicatorCenter.x() - halfHandleSize, verticalIndicatorCenter.y() - halfHandleSize, d->handleSize, d->handleSize); float verticalHandlePosition = qBound<float>(d->minHandlePosition, d->verticalHandlePosition, d->verticalAxis.length() - d->minHandlePosition); QPointF verticalHandleCenter = d->verticalAxis.unitVector().pointAt(verticalHandlePosition); d->verticalHandle = QRectF(verticalHandleCenter.x() - halfHandleSize, verticalHandleCenter.y() - halfHandleSize, d->handleSize, d->handleSize); // gc.drawEllipse(verticalIndicator); // gc.drawPixmap(verticalIndicator.adjusted(5, 5, -5, -5).toRect(), d->verticalIcon); gc.setPen(QPen(QColor(0, 0, 0, 128), 2)); gc.drawEllipse(d->verticalHandle); gc.drawPixmap(d->verticalHandle.adjusted(5, 5, -5, -5).toRect(), d->verticalIcon); } else { d->verticalHandle = QRectF(); } } if (hasMultisample) { gc.beginNativePainting(); ctx->functions()->glDisable(GL_MULTISAMPLE); gc.endNativePainting(); } }