void Text3DOverlay::render(RenderArgs* args) { if (!_visible) { return; // do nothing if we're not visible } Q_ASSERT(args->_batch); auto& batch = *args->_batch; glm::quat rotation; if (_isFacingAvatar) { // rotate about vertical to face the camera rotation = args->_viewFrustum->getOrientation(); } else { rotation = getRotation(); } Transform transform; transform.setTranslation(getPosition()); transform.setRotation(rotation); transform.setScale(getScale()); batch.setModelTransform(transform); 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<DeferredLightingEffect>()->bindSimpleProgram(batch, false, true, false, true); DependencyManager::get<GeometryCache>()->renderQuad(batch, topLeft, bottomRight, quadColor); // Same font properties as textSize() float maxHeight = (float)_textRenderer->computeExtent("Xy").y * LINE_SCALE_RATIO; float scaleFactor = (maxHeight / FIXED_FONT_SCALING_RATIO) * _lineHeight; glm::vec2 clipMinimum(0.0f, 0.0f); glm::vec2 clipDimensions((dimensions.x - (_leftMargin + _rightMargin)) / scaleFactor, (dimensions.y - (_topMargin + _bottomMargin)) / scaleFactor); transform.setTranslation(getPosition()); transform.postTranslate(glm::vec3(-(halfDimensions.x - _leftMargin) , halfDimensions.y - _topMargin, 0.01f)); transform.setScale(scaleFactor); batch.setModelTransform(transform); glm::vec4 textColor = { _color.red / MAX_COLOR, _color.green / MAX_COLOR, _color.blue / MAX_COLOR, getAlpha() }; _textRenderer->draw(batch, 0, 0, _text, textColor); batch.setPipeline(DrawOverlay3D::getOpaquePipeline()); }
void Text3DOverlay::render(RenderArgs* args) { if (!_renderVisible || !getParentVisible()) { return; // do nothing if we're not visible } Q_ASSERT(args->_batch); auto& batch = *args->_batch; auto transform = getRenderTransform(); batch.setModelTransform(transform); glm::u8vec3 backgroundColor = getBackgroundColor(); glm::vec4 quadColor(toGlm(backgroundColor), getBackgroundAlpha()); glm::vec2 dimensions = getDimensions(); glm::vec2 halfDimensions = dimensions * 0.5f; const float SLIGHTLY_BEHIND = -0.001f; glm::vec3 topLeft(-halfDimensions.x, -halfDimensions.y, SLIGHTLY_BEHIND); glm::vec3 bottomRight(halfDimensions.x, halfDimensions.y, SLIGHTLY_BEHIND); DependencyManager::get<GeometryCache>()->bindSimpleProgram(batch, false, quadColor.a < 1.0f, false, false, false); DependencyManager::get<GeometryCache>()->renderQuad(batch, topLeft, bottomRight, quadColor, _geometryId); // Same font properties as textSize() float maxHeight = (float)_textRenderer->computeExtent("Xy").y * LINE_SCALE_RATIO; float scaleFactor = (maxHeight / FIXED_FONT_SCALING_RATIO) * _lineHeight; glm::vec2 clipDimensions((dimensions.x - (_leftMargin + _rightMargin)) / scaleFactor, (dimensions.y - (_topMargin + _bottomMargin)) / scaleFactor); transform.postTranslate(glm::vec3(-(halfDimensions.x - _leftMargin), halfDimensions.y - _topMargin, 0.001f)); transform.setScale(scaleFactor); batch.setModelTransform(transform); glm::vec4 textColor = { toGlm(_color), getTextAlpha() }; // FIXME: Factor out textRenderer so that Text3DOverlay overlay parts can be grouped by pipeline for a gpu performance increase. _textRenderer->draw(batch, 0, 0, getText(), textColor, glm::vec2(-1.0f), true); }
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; } }
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(); }
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();