当前位置: 首页>>代码示例>>C++>>正文


C++ GeoPositions3fPtr::size方法代码示例

本文整理汇总了C++中GeoPositions3fPtr::size方法的典型用法代码示例。如果您正苦于以下问题:C++ GeoPositions3fPtr::size方法的具体用法?C++ GeoPositions3fPtr::size怎么用?C++ GeoPositions3fPtr::size使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在GeoPositions3fPtr的用法示例。


在下文中一共展示了GeoPositions3fPtr::size方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: createMetrics

// Create the metrics
NodePtr createMetrics(TextFace *face, Real32 scale, const TextLayoutParam &layoutParam,
                      const TextLayoutResult &layoutResult)
{
    GeometryPtr geoPtr = Geometry::create();
    beginEditCP(geoPtr);
    {
        GeoPTypesUI8Ptr typesPtr = GeoPTypesUI8::create();
        geoPtr->setTypes(typesPtr);

        GeoPLengthsUI32Ptr lensPtr = GeoPLengthsUI32::create();
        geoPtr->setLengths(lensPtr);

        GeoPositions3fPtr posPtr = GeoPositions3f::create();
        geoPtr->setPositions(posPtr);

        GeoColors3fPtr colorsPtr = GeoColors3f::create();
        colorsPtr->push_back(Color3f(0.f, 0.f, 1.f));
        colorsPtr->push_back(Color3f(1.f, 0.f, 0.f));
        colorsPtr->push_back(Color3f(0.f, 1.f, 0.f));
        colorsPtr->push_back(Color3f(1.f, 1.f, 0.f));
        geoPtr->setColors(colorsPtr);

        GeoIndicesUI32Ptr indicesPtr = GeoIndicesUI32::create();
        geoPtr->setIndices(indicesPtr);

        UInt32 i, numGlyphs = layoutResult.getNumGlyphs();
        for (i = 0; i < numGlyphs; ++i)
        {
            const TextGlyph &glyph = face->getGlyph(layoutResult.indices[i]);
            typesPtr->push_back(GL_LINE_LOOP);
            lensPtr->push_back(4);
            const Vec2f &pos = layoutResult.positions[i];
            Real32 left = pos.x() * scale;
            Real32 right = (pos.x() + glyph.getWidth()) * scale;
            Real32 top = pos.y() * scale;
            Real32 bottom = (pos.y() - glyph.getHeight()) * scale;
            UInt32 posOffset = posPtr->size();
            posPtr->push_back(Vec3f(left, bottom, 0.f));
            posPtr->push_back(Vec3f(right, bottom, 0.f));
            posPtr->push_back(Vec3f(right, top, 0.f));
            posPtr->push_back(Vec3f(left, top, 0.f));
            indicesPtr->push_back(posOffset);
            indicesPtr->push_back(0);
            indicesPtr->push_back(posOffset + 1);
            indicesPtr->push_back(0);
            indicesPtr->push_back(posOffset + 2);
            indicesPtr->push_back(0);
            indicesPtr->push_back(posOffset + 3);
            indicesPtr->push_back(0);
        }

        // Bounding box
        Vec2f lowerLeft, upperRight;
        face->calculateBoundingBox(layoutResult, lowerLeft, upperRight);
        typesPtr->push_back(GL_LINE_LOOP);
        lensPtr->push_back(4);
        Real32 left = lowerLeft.x() * scale;
        Real32 right = upperRight.x() * scale;
        Real32 top = upperRight.y() * scale;
        Real32 bottom = lowerLeft.y() * scale;
        UInt32 posOffset = posPtr->size();
        posPtr->push_back(Vec3f(left, bottom, 0.f));
        posPtr->push_back(Vec3f(right, bottom, 0.f));
        posPtr->push_back(Vec3f(right, top, 0.f));
        posPtr->push_back(Vec3f(left, top, 0.f));
        indicesPtr->push_back(posOffset);
        indicesPtr->push_back(1);
        indicesPtr->push_back(posOffset + 1);
        indicesPtr->push_back(1);
        indicesPtr->push_back(posOffset + 2);
        indicesPtr->push_back(1);
        indicesPtr->push_back(posOffset + 3);
        indicesPtr->push_back(1);

        // Text bounds & Line bounds
        Vec2f pos, textPos, offset;
        if (layoutParam.horizontal == true)
        {
            Real32 lineHeight = face->getHoriAscent() - face->getHoriDescent();
            Real32 spacing = layoutParam.spacing * lineHeight;
            if (layoutParam.topToBottom == true)
            {
                switch (layoutParam.minorAlignment)
                {
                    case TextLayoutParam::ALIGN_BEGIN:
                        break;
                    case TextLayoutParam::ALIGN_FIRST:
                        pos[1] = textPos[1] = face->getHoriAscent();
                        break;
                    case TextLayoutParam::ALIGN_MIDDLE:
                        pos[1] = textPos[1] = (spacing * (layoutResult.lineBounds.size() - 1) + lineHeight) / 2.f;
                        break;
                    case TextLayoutParam::ALIGN_END:
                        pos[1] = textPos[1] = spacing * (layoutResult.lineBounds.size() - 1) + lineHeight;
                        break;
                }
                offset.setValues(0.f, -spacing);
            }
            else
//.........这里部分代码省略.........
开发者ID:mlimper,项目名称:OpenSG1x,代码行数:101,代码来源:testTextTXFGeo.cpp


注:本文中的GeoPositions3fPtr::size方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。