C++ (Cpp) layoutInfo Examples

Example #1

File: cvfOverlayScalarMapperLegend.cpp Project: PETECLAM/ResInsight

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
bool OverlayScalarMapperLegend::pick(int oglXCoord, int oglYCoord, const Vec2i& position, const Vec2ui& size)
{
    Recti oglRect(position, size.x(), size.y());

    OverlayColorLegendLayoutInfo layoutInViewPortCoords(oglRect.min(), Vec2ui(oglRect.width(), oglRect.height()));
    layoutInfo(&layoutInViewPortCoords);

    Vec2i legendBarOrigin = oglRect.min();
    legendBarOrigin.x() += static_cast<uint>(layoutInViewPortCoords.legendRect.min().x());
    legendBarOrigin.y() += static_cast<uint>(layoutInViewPortCoords.legendRect.min().y());

    Recti legendBarRect = Recti(legendBarOrigin, static_cast<uint>(layoutInViewPortCoords.legendRect.width()), static_cast<uint>(layoutInViewPortCoords.legendRect.height()));

    if ((oglXCoord > legendBarRect.min().x()) && (oglXCoord < legendBarRect.max().x()) &&
        (oglYCoord > legendBarRect.min().y()) && (oglYCoord < legendBarRect.max().y()))
    {
        return true;
    }

    return false;
}

Example #2

//--------------------------------------------------------------------------------------------------
/// Set up camera/viewport and render
//--------------------------------------------------------------------------------------------------
void OverlayColorLegend::render(OpenGLContext* oglContext, const Vec2ui& position, const Vec2ui& size, bool software)
{   
    if (size.x() <= 0 || size.y() <= 0)
    {
        return;
    }

    Camera camera;
    camera.setViewport(position.x(), position.y(), size.x(), size.y());
    camera.setProjectionAsPixelExact2D();
    camera.setViewMatrix(Mat4d::IDENTITY);
    camera.applyOpenGL();
    camera.viewport()->applyOpenGL(oglContext, Viewport::CLEAR_DEPTH);

    // Get layout information
    // Todo: Cache this between renderings. Update only when needed.
    OverlayColorLegendLayoutInfo layout(position, size);
    layoutInfo(&layout);

    // Set up text drawer
    TextDrawer textDrawer(m_font.p());
    setupTextDrawer(&textDrawer, &layout);

    // Do the actual rendering
    if (software)
    {
        renderLegendImmediateMode(oglContext, &layout);
        textDrawer.renderSoftware(oglContext, camera);
    }
    else
    {
        const MatrixState matrixState(camera);
        renderLegend(oglContext, &layout, matrixState);
        textDrawer.render(oglContext, camera);
    }

    CVF_CHECK_OGL(oglContext);
}