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C++ TextRenderer::draw方法代码示例

本文整理汇总了C++中TextRenderer::draw方法的典型用法代码示例。如果您正苦于以下问题:C++ TextRenderer::draw方法的具体用法?C++ TextRenderer::draw怎么用?C++ TextRenderer::draw使用的例子?那么恭喜您, 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TextRenderer的用法示例。


在下文中一共展示了TextRenderer::draw方法的4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: renderCalibrationCountdown

void PrioVR::renderCalibrationCountdown() {
#ifdef HAVE_PRIOVR
    const int COUNTDOWN_SECONDS = 3;
    int secondsRemaining = COUNTDOWN_SECONDS - _calibrationCountdownStarted.secsTo(QDateTime::currentDateTime());
    if (secondsRemaining == 0) {
        yei_tareSensors(_skeletalDevice);
        Application::getInstance()->disconnect(this);
        return;
    }
    static TextRenderer textRenderer(MONO_FONT_FAMILY, 18, QFont::Bold, false, TextRenderer::OUTLINE_EFFECT, 2);
    QByteArray text = "Assume T-Pose in " + QByteArray::number(secondsRemaining) + "...";
    textRenderer.draw((Application::getInstance()->getGLWidget()->width() - textRenderer.computeWidth(text.constData())) / 2,
        Application::getInstance()->getGLWidget()->height() / 2,
        text);
#endif  
}
开发者ID:Barnold1953,项目名称:hifi,代码行数:16,代码来源:PrioVR.cpp

示例2: render

void TextOverlay::render(RenderArgs* args) {
    if (!_visible) {
        return; // do nothing if we're not visible
    }

    const float MAX_COLOR = 255.0f;
    xColor backgroundColor = getBackgroundColor();
    glColor4f(backgroundColor.red / MAX_COLOR, backgroundColor.green / MAX_COLOR, backgroundColor.blue / MAX_COLOR, 
        getBackgroundAlpha());

    int left = _bounds.left();
    int right = _bounds.right() + 1;
    int top = _bounds.top();
    int bottom = _bounds.bottom() + 1;

    glm::vec2 topLeft(left, top);
    glm::vec2 bottomRight(right, bottom);
    DependencyManager::get<GeometryCache>()->renderQuad(topLeft, bottomRight);

    // Same font properties as textSize()
    TextRenderer* textRenderer = TextRenderer::getInstance(SANS_FONT_FAMILY, _fontSize, DEFAULT_FONT_WEIGHT);
    
    const int leftAdjust = -1; // required to make text render relative to left edge of bounds
    const int topAdjust = -2; // required to make text render relative to top edge of bounds
    int x = _bounds.left() + _leftMargin + leftAdjust;
    int y = _bounds.top() + _topMargin + topAdjust;
    
    glColor3f(_color.red / MAX_COLOR, _color.green / MAX_COLOR, _color.blue / MAX_COLOR);
    float alpha = getAlpha();
    QStringList lines = _text.split("\n");
    int lineOffset = 0;
    foreach(QString thisLine, lines) {
        if (lineOffset == 0) {
            lineOffset = textRenderer->calculateHeight(qPrintable(thisLine));
        }
        lineOffset += textRenderer->draw(x, y + lineOffset, qPrintable(thisLine), alpha);

        const int lineGap = 2;
        lineOffset += lineGap;
    }
}
开发者ID:ey6es,项目名称:hifi,代码行数:41,代码来源:TextOverlay.cpp

示例3: glPushMatrix

void Text3DOverlay::render(RenderArgs* args) {
    if (!_visible) {
        return; // do nothing if we're not visible
    }

    glPushMatrix(); {
        glTranslatef(_position.x, _position.y, _position.z);
        glm::quat rotation;
        
        if (_isFacingAvatar) {
            // rotate about vertical to face the camera
            rotation = Application::getInstance()->getCamera()->getRotation();
        } else {
            rotation = getRotation();
        }
        
        glm::vec3 axis = glm::axis(rotation);
        glRotatef(glm::degrees(glm::angle(rotation)), axis.x, axis.y, axis.z);

        const float MAX_COLOR = 255.0f;
        xColor backgroundColor = getBackgroundColor();
        glm::vec4 quadColor(backgroundColor.red / MAX_COLOR, backgroundColor.green / MAX_COLOR, backgroundColor.blue / MAX_COLOR,
            getBackgroundAlpha());

        glm::vec2 dimensions = getDimensions();
        glm::vec2 halfDimensions = dimensions * 0.5f;
        
        const float SLIGHTLY_BEHIND = -0.005f;

        glm::vec3 topLeft(-halfDimensions.x, -halfDimensions.y, SLIGHTLY_BEHIND);
        glm::vec3 bottomRight(halfDimensions.x, halfDimensions.y, SLIGHTLY_BEHIND);
        DependencyManager::get<GeometryCache>()->renderQuad(topLeft, bottomRight, quadColor);
        
        // Same font properties as textSize()
        TextRenderer* textRenderer = TextRenderer::getInstance(SANS_FONT_FAMILY, FIXED_FONT_POINT_SIZE);
        float maxHeight = (float)textRenderer->computeExtent("Xy").y * LINE_SCALE_RATIO;
        
        float scaleFactor =  (maxHeight / FIXED_FONT_SCALING_RATIO) * _lineHeight; 

        glTranslatef(-(halfDimensions.x - _leftMargin), halfDimensions.y - _topMargin, 0.0f);

        glm::vec2 clipMinimum(0.0f, 0.0f);
        glm::vec2 clipDimensions((dimensions.x - (_leftMargin + _rightMargin)) / scaleFactor, 
                                 (dimensions.y - (_topMargin + _bottomMargin)) / scaleFactor);

        glScalef(scaleFactor, -scaleFactor, scaleFactor);
        enableClipPlane(GL_CLIP_PLANE0, -1.0f, 0.0f, 0.0f, clipMinimum.x + clipDimensions.x);
        enableClipPlane(GL_CLIP_PLANE1, 1.0f, 0.0f, 0.0f, -clipMinimum.x);
        enableClipPlane(GL_CLIP_PLANE2, 0.0f, -1.0f, 0.0f, clipMinimum.y + clipDimensions.y);
        enableClipPlane(GL_CLIP_PLANE3, 0.0f, 1.0f, 0.0f, -clipMinimum.y);
    
        glm::vec4 textColor = { _color.red / MAX_COLOR, _color.green / MAX_COLOR, _color.blue / MAX_COLOR, getAlpha() };
        textRenderer->draw(0, 0, _text, textColor);

        glDisable(GL_CLIP_PLANE0);
        glDisable(GL_CLIP_PLANE1);
        glDisable(GL_CLIP_PLANE2);
        glDisable(GL_CLIP_PLANE3);
        
    } glPopMatrix();
    
}
开发者ID:bakarih,项目名称:hifi,代码行数:62,代码来源:Text3DOverlay.cpp

示例4: glPushMatrix

void Text3DOverlay::render(RenderArgs* args) {
    if (!_visible) {
        return; // do nothing if we're not visible
    }

    glPushMatrix(); {
        glTranslatef(_position.x, _position.y, _position.z);
        glm::quat rotation;
        
        if (_isFacingAvatar) {
            // rotate about vertical to face the camera
            rotation = Application::getInstance()->getCamera()->getRotation();
        } else {
            rotation = getRotation();
        }
        
        glm::vec3 axis = glm::axis(rotation);
        glRotatef(glm::degrees(glm::angle(rotation)), axis.x, axis.y, axis.z);

        const float MAX_COLOR = 255.0f;
        xColor backgroundColor = getBackgroundColor();
        glColor4f(backgroundColor.red / MAX_COLOR, backgroundColor.green / MAX_COLOR, backgroundColor.blue / MAX_COLOR, 
            getBackgroundAlpha());

        glm::vec2 dimensions = getDimensions();
        glm::vec2 halfDimensions = dimensions * 0.5f;
        
        const float SLIGHTLY_BEHIND = -0.005f;

        glBegin(GL_QUADS);
            glVertex3f(-halfDimensions.x, -halfDimensions.y, SLIGHTLY_BEHIND);
            glVertex3f(halfDimensions.x, -halfDimensions.y, SLIGHTLY_BEHIND);
            glVertex3f(halfDimensions.x, halfDimensions.y, SLIGHTLY_BEHIND);
            glVertex3f(-halfDimensions.x, halfDimensions.y, SLIGHTLY_BEHIND);
        glEnd();
        
        const int FIXED_FONT_SCALING_RATIO = FIXED_FONT_POINT_SIZE * 40.0f; // this is a ratio determined through experimentation
        
        // Same font properties as textWidth()
        TextRenderer* textRenderer = TextRenderer::getInstance(SANS_FONT_FAMILY, FIXED_FONT_POINT_SIZE);
        float maxHeight = (float)textRenderer->calculateHeight("Xy") * LINE_SCALE_RATIO;
        
        float scaleFactor =  (maxHeight / FIXED_FONT_SCALING_RATIO) * _lineHeight; 

        glTranslatef(-(halfDimensions.x - _leftMargin), halfDimensions.y - _topMargin, 0.0f);

        glm::vec2 clipMinimum(0.0f, 0.0f);
        glm::vec2 clipDimensions((dimensions.x - (_leftMargin + _rightMargin)) / scaleFactor, 
                                 (dimensions.y - (_topMargin + _bottomMargin)) / scaleFactor);

        glScalef(scaleFactor, -scaleFactor, 1.0);
        enableClipPlane(GL_CLIP_PLANE0, -1.0f, 0.0f, 0.0f, clipMinimum.x + clipDimensions.x);
        enableClipPlane(GL_CLIP_PLANE1, 1.0f, 0.0f, 0.0f, -clipMinimum.x);
        enableClipPlane(GL_CLIP_PLANE2, 0.0f, -1.0f, 0.0f, clipMinimum.y + clipDimensions.y);
        enableClipPlane(GL_CLIP_PLANE3, 0.0f, 1.0f, 0.0f, -clipMinimum.y);
    
        glColor3f(_color.red / MAX_COLOR, _color.green / MAX_COLOR, _color.blue / MAX_COLOR);
        float alpha = getAlpha();
        QStringList lines = _text.split("\n");
        int lineOffset = maxHeight;
        foreach(QString thisLine, lines) {
            textRenderer->draw(0, lineOffset, qPrintable(thisLine), alpha);
            lineOffset += maxHeight;
        }

        glDisable(GL_CLIP_PLANE0);
        glDisable(GL_CLIP_PLANE1);
        glDisable(GL_CLIP_PLANE2);
        glDisable(GL_CLIP_PLANE3);
        
    } glPopMatrix();
开发者ID:RyanDowne,项目名称:hifi,代码行数:71,代码来源:Text3DOverlay.cpp


注:本文中的TextRenderer::draw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。