Mercurial > hg > svgui
changeset 267:4ed1446ad604
* more on measurement tool -- pull out some logic from pane to layer &c
still more to do
author | Chris Cannam |
---|---|
date | Thu, 21 Jun 2007 16:12:00 +0000 |
parents | aee39d8c0b83 |
children | 70537b0434c4 |
files | layer/Layer.cpp layer/Layer.h layer/SliceLayer.h layer/SpectrogramLayer.cpp layer/SpectrogramLayer.h layer/SpectrumLayer.cpp layer/SpectrumLayer.h layer/WaveformLayer.cpp layer/WaveformLayer.h view/Pane.cpp view/Pane.h view/View.cpp view/View.h |
diffstat | 13 files changed, 287 insertions(+), 286 deletions(-) [+] |
line wrap: on
line diff
--- a/layer/Layer.cpp Thu Jun 21 14:05:23 2007 +0000 +++ b/layer/Layer.cpp Thu Jun 21 16:12:00 2007 +0000 @@ -20,11 +20,13 @@ #include <iostream> #include <QMutexLocker> +#include <QMouseEvent> #include "LayerFactory.h" #include "base/PlayParameterRepository.h" -Layer::Layer() +Layer::Layer() : + m_haveDraggingRect(false) { } @@ -123,7 +125,7 @@ } bool -Layer::getXScaleValue(View *v, int x, float &value, QString &unit) const +Layer::getXScaleValue(const View *v, int x, float &value, QString &unit) const { if (!hasTimeXAxis()) return false; @@ -135,3 +137,60 @@ return true; } +void +Layer::measureStart(View *v, QMouseEvent *e) +{ + m_draggingRect.pixrect = QRect(e->x(), e->y(), 0, 0); + if (hasTimeXAxis()) { + m_draggingRect.startFrame = v->getFrameForX(e->x()); + m_draggingRect.endFrame = m_draggingRect.startFrame; + } + m_haveDraggingRect = true; +} + +void +Layer::measureDrag(View *v, QMouseEvent *e) +{ + if (!m_haveDraggingRect) return; + m_draggingRect.pixrect = QRect(m_draggingRect.pixrect.x(), + m_draggingRect.pixrect.y(), + e->x() - m_draggingRect.pixrect.x(), + e->y() - m_draggingRect.pixrect.y()); + if (hasTimeXAxis()) { + m_draggingRect.endFrame = v->getFrameForX(e->x()); + } +} + +void +Layer::measureEnd(View *v, QMouseEvent *e) +{ + //!!! command + if (!m_haveDraggingRect) return; + measureDrag(v, e); + m_measureRectList.push_back(m_draggingRect); + m_haveDraggingRect = false; +} + +void +Layer::paintMeasurementRects(View *v, QPainter &paint) const +{ + if (m_haveDraggingRect) { + v->drawMeasurementRect(paint, this, m_draggingRect.pixrect); + } + + bool timex = hasTimeXAxis(); + + for (MeasureRectList::const_iterator i = m_measureRectList.begin(); + i != m_measureRectList.end(); ++i) { + + if (timex) { + int x0 = v->getXForFrame(i->startFrame); + int x1 = v->getXForFrame(i->endFrame); + QRect pr = QRect(x0, i->pixrect.y(), x1 - x0, i->pixrect.height()); + i->pixrect = pr; + } + + v->drawMeasurementRect(paint, this, i->pixrect); + } +} +
--- a/layer/Layer.h Thu Jun 21 14:05:23 2007 +0000 +++ b/layer/Layer.h Thu Jun 21 16:12:00 2007 +0000 @@ -105,6 +105,8 @@ } virtual void paintCrosshairs(View *, QPainter &, QPoint) const { } + virtual void paintMeasurementRects(View *, QPainter &) const; + virtual QString getFeatureDescription(View *, QPoint &) const { return ""; } @@ -156,6 +158,14 @@ virtual void editDrag(View *, QMouseEvent *) { } virtual void editEnd(View *, QMouseEvent *) { } + // Measurement rectangle (or equivalent). Unlike draw and edit, + // the base Layer class can provide working implementations of + // these for most situations. + // + virtual void measureStart(View *, QMouseEvent *); + virtual void measureDrag(View *, QMouseEvent *); + virtual void measureEnd(View *, QMouseEvent *); + /** * Open an editor on the item under the mouse (e.g. on * double-click). If there is no item or editing is not @@ -323,14 +333,14 @@ * measurement tool. The default implementation works correctly * if the layer hasTimeXAxis(). */ - virtual bool getXScaleValue(View *v, int x, + virtual bool getXScaleValue(const View *v, int x, float &value, QString &unit) const; /** * Return the value and unit at the given y coordinate in the * given view. */ - virtual bool getYScaleValue(View *, int /* y */, + virtual bool getYScaleValue(const View *, int /* y */, float &/* value */, QString &/* unit */) const { return false; } @@ -390,6 +400,18 @@ void verticalZoomChanged(); +protected: + struct MeasureRect { + mutable QRect pixrect; + long startFrame; // only valid for a layer that hasTimeXAxis + long endFrame; // ditto + }; + + typedef std::vector<MeasureRect> MeasureRectList; // should be x-ordered + MeasureRectList m_measureRectList; + MeasureRect m_draggingRect; + bool m_haveDraggingRect; + private: mutable QMutex m_dormancyMutex; mutable std::map<const void *, bool> m_dormancy;
--- a/layer/SliceLayer.h Thu Jun 21 14:05:23 2007 +0000 +++ b/layer/SliceLayer.h Thu Jun 21 16:12:00 2007 +0000 @@ -129,7 +129,7 @@ bool m_normalize; float m_gain; mutable std::vector<int> m_scalePoints; - mutable std::map<View *, int> m_xorigins; + mutable std::map<const View *, int> m_xorigins; mutable size_t m_currentf0; mutable size_t m_currentf1; mutable std::vector<float> m_values;
--- a/layer/SpectrogramLayer.cpp Thu Jun 21 14:05:23 2007 +0000 +++ b/layer/SpectrogramLayer.cpp Thu Jun 21 16:12:00 2007 +0000 @@ -2381,7 +2381,7 @@ } float -SpectrogramLayer::getYForFrequency(View *v, float frequency) const +SpectrogramLayer::getYForFrequency(const View *v, float frequency) const { return v->getYForFrequency(frequency, getEffectiveMinFrequency(), @@ -2390,7 +2390,7 @@ } float -SpectrogramLayer::getFrequencyForY(View *v, int y) const +SpectrogramLayer::getFrequencyForY(const View *v, int y) const { return v->getFrequencyForY(y, getEffectiveMinFrequency(), @@ -2469,7 +2469,7 @@ } bool -SpectrogramLayer::getYScaleValue(View *v, int y, +SpectrogramLayer::getYScaleValue(const View *v, int y, float &value, QString &unit) const { value = getFrequencyForY(v, y);
--- a/layer/SpectrogramLayer.h Thu Jun 21 14:05:23 2007 +0000 +++ b/layer/SpectrogramLayer.h Thu Jun 21 16:12:00 2007 +0000 @@ -188,8 +188,8 @@ virtual bool isLayerOpaque() const { return true; } virtual bool isLayerColourSignificant() const { return true; } - float getYForFrequency(View *v, float frequency) const; - float getFrequencyForY(View *v, int y) const; + float getYForFrequency(const View *v, float frequency) const; + float getFrequencyForY(const View *v, int y) const; virtual int getCompletion(View *v) const; @@ -200,7 +200,7 @@ virtual bool setDisplayExtents(float min, float max); - virtual bool getYScaleValue(View *, int, float &, QString &) const; + virtual bool getYScaleValue(const View *, int, float &, QString &) const; virtual QString toXmlString(QString indent = "", QString extraAttributes = "") const;
--- a/layer/SpectrumLayer.cpp Thu Jun 21 14:05:23 2007 +0000 +++ b/layer/SpectrumLayer.cpp Thu Jun 21 16:12:00 2007 +0000 @@ -332,10 +332,12 @@ } bool -SpectrumLayer::getXScaleValue(View *v, int x, +SpectrumLayer::getXScaleValue(const View *v, int x, float &value, QString &unit) const { - value = getFrequencyForX(x - m_xorigins[v], v->width() - m_xorigins[v] - 1); + if (m_xorigins.find(v) == m_xorigins.end()) return false; + int xorigin = m_xorigins.find(v)->second; + value = getFrequencyForX(x - xorigin, v->width() - xorigin - 1); unit = "Hz"; return true; }
--- a/layer/SpectrumLayer.h Thu Jun 21 14:05:23 2007 +0000 +++ b/layer/SpectrumLayer.h Thu Jun 21 16:12:00 2007 +0000 @@ -59,7 +59,7 @@ virtual bool getValueExtents(float &min, float &max, bool &logarithmic, QString &unit) const; - virtual bool getXScaleValue(View *v, int x, + virtual bool getXScaleValue(const View *v, int x, float &value, QString &unit) const; virtual bool isLayerScrollable(const View *) const { return false; }
--- a/layer/WaveformLayer.cpp Thu Jun 21 14:05:23 2007 +0000 +++ b/layer/WaveformLayer.cpp Thu Jun 21 16:12:00 2007 +0000 @@ -995,7 +995,7 @@ } int -WaveformLayer::getYForValue(View *v, Scale scale, float value, size_t channel, +WaveformLayer::getYForValue(const View *v, Scale scale, float value, size_t channel, size_t minChannel, size_t maxChannel) const { if (maxChannel < minChannel || channel < minChannel) return 0; @@ -1033,7 +1033,7 @@ } float -WaveformLayer::getValueForY(View *v, Scale scale, int y, +WaveformLayer::getValueForY(const View *v, Scale scale, int y, size_t minChannel, size_t maxChannel) const { if (maxChannel < minChannel) return 0; @@ -1085,7 +1085,7 @@ } bool -WaveformLayer::getYScaleValue(View *v, int y, +WaveformLayer::getYScaleValue(const View *v, int y, float &value, QString &unit) const { size_t channels = 0, minChannel = 0, maxChannel = 0;
--- a/layer/WaveformLayer.h Thu Jun 21 14:05:23 2007 +0000 +++ b/layer/WaveformLayer.h Thu Jun 21 16:12:00 2007 +0000 @@ -179,7 +179,7 @@ virtual bool getValueExtents(float &min, float &max, bool &log, QString &unit) const; - virtual bool getYScaleValue(View *v, int y, + virtual bool getYScaleValue(const View *v, int y, float &value, QString &unit) const; virtual QString toXmlString(QString indent = "", @@ -200,10 +200,10 @@ size_t getChannelArrangement(size_t &min, size_t &max, bool &merging, bool &mixing) const; - int getYForValue(View *v, Scale scale, float value, size_t channel, + int getYForValue(const View *v, Scale scale, float value, size_t channel, size_t minChannel, size_t maxChannel) const; - float getValueForY(View *v, Scale scale, int y, + float getValueForY(const View *v, Scale scale, int y, size_t minChannel, size_t maxChannel) const; float m_gain;
--- a/view/Pane.cpp Thu Jun 21 14:05:23 2007 +0000 +++ b/view/Pane.cpp Thu Jun 21 16:12:00 2007 +0000 @@ -42,9 +42,8 @@ using std::cerr; using std::endl; -QCursor Pane::m_measureCursor1; -QCursor Pane::m_measureCursor2; -bool Pane::m_measureCursorsCreated = false; +QCursor *Pane::m_measureCursor1 = 0; +QCursor *Pane::m_measureCursor2 = 0; Pane::Pane(QWidget *w) : View(w, true), @@ -52,7 +51,6 @@ m_clickedInRange(false), m_shiftPressed(false), m_ctrlPressed(false), - m_haveDraggingRect(false), m_navigating(false), m_resizing(false), m_centreLineVisible(true), @@ -456,7 +454,7 @@ } if (toolMode == ViewManager::MeasureMode && topLayer) { - drawMeasurementRects(topLayer, paint); + topLayer->paintMeasurementRects(this, paint); } if (selectionIsBeingEdited()) { @@ -746,192 +744,6 @@ } void -Pane::drawMeasurementRects(Layer *topLayer, QPainter &paint) -{ - if (m_haveDraggingRect) { - drawMeasurementRect(topLayer, m_draggingRect, paint); - } - - if (m_measureRects.find(topLayer) == m_measureRects.end() || - m_measureRects[topLayer].empty()) return; - - MeasureRectList &rects = m_measureRects[topLayer]; - - for (MeasureRectList::iterator i = rects.begin(); - i != rects.end(); ++i) { - drawMeasurementRect(topLayer, *i, paint); - } -} - -void -Pane::drawMeasurementRect(Layer *topLayer, MeasureRect &r, QPainter &paint) -{ - if (topLayer->hasTimeXAxis()) { - r.start.rx() = getXForFrame(r.startFrame); - r.end.rx() = getXForFrame(r.endFrame); - } - - int lx = std::min(r.start.x(), r.end.x()); - int rx = std::max(r.start.x(), r.end.x()); - if (rx < 0 || lx >= width()) return; - - int fontHeight = paint.fontMetrics().height(); - int fontAscent = paint.fontMetrics().ascent(); - - float v0, v1; - QString u0, u1; - bool b0 = false, b1 = false; - - QString axs, ays, bxs, bys, dxs, dys; - - int axx, axy, bxx, bxy, dxx, dxy; - int aw = 0, bw = 0, dw = 0; - - int labelCount = 0; - - if ((b0 = topLayer->getXScaleValue(this, r.start.x(), v0, u0))) { - axs = QString("%1 %2").arg(v0).arg(u0); - aw = paint.fontMetrics().width(axs); - ++labelCount; - } - - if (r.start != r.end) { - if ((b1 = topLayer->getXScaleValue(this, r.end.x(), v1, u1))) { - bxs = QString("%1 %2").arg(v1).arg(u1); - bw = paint.fontMetrics().width(bxs); - } - } - - if (b0 && b1 && u0 == u1) { - dxs = QString("(%1 %2)").arg(fabs(v1 - v0)).arg(u1); - dw = paint.fontMetrics().width(dxs); - } - - b0 = false; - b1 = false; - - if ((b0 = topLayer->getYScaleValue(this, r.start.y(), v0, u0))) { - ays = QString("%1 %2").arg(v0).arg(u0); - aw = std::max(aw, paint.fontMetrics().width(ays)); - ++labelCount; - } - - if (r.start != r.end) { - if ((b1 = topLayer->getYScaleValue(this, r.end.y(), v1, u1))) { - bys = QString("%1 %2").arg(v1).arg(u1); - bw = std::max(bw, paint.fontMetrics().width(bys)); - } - } - - if (b0 && b1 && u0 == u1) { - dys = QString("(%1 %2)").arg(fabs(v1 - v0)).arg(u1); - dw = std::max(dw, paint.fontMetrics().width(dys)); - } - - int mw = abs(r.end.x() - r.start.x()); - int mh = abs(r.end.y() - r.start.y()); - - bool edgeLabelsInside = false; - bool sizeLabelsInside = false; - - if (mw < std::max(aw, std::max(bw, dw)) + 4) { - // defaults stand - } else if (mw < aw + bw + 4) { - if (mh > fontHeight * labelCount * 3 + 4) { - edgeLabelsInside = true; - sizeLabelsInside = true; - } else if (mh > fontHeight * labelCount * 2 + 4) { - edgeLabelsInside = true; - } - } else if (mw < aw + bw + dw + 4) { - if (mh > fontHeight * labelCount * 3 + 4) { - edgeLabelsInside = true; - sizeLabelsInside = true; - } else if (mh > fontHeight * labelCount + 4) { - edgeLabelsInside = true; - } - } else { - if (mh > fontHeight * labelCount + 4) { - edgeLabelsInside = true; - sizeLabelsInside = true; - } - } - - if (edgeLabelsInside) { - - axx = r.start.x() + 2; - axy = r.start.y() + fontAscent + 2; - - bxx = r.end.x() - bw - 2; - bxy = r.end.y() - (labelCount-1) * fontHeight - 2; - - } else { - - axx = r.start.x() - aw - 2; - axy = r.start.y() + fontAscent; - - bxx = r.end.x() + 2; - bxy = r.end.y() - (labelCount-1) * fontHeight; - } - - dxx = (r.end.x() - r.start.x()) - / 2 + r.start.x() - dw/2; - - if (sizeLabelsInside) { - - dxy = (r.end.y() - r.start.y()) - / 2 + r.start.y() - (labelCount * fontHeight)/2 + fontAscent; - - } else { - - dxy = std::max(r.end.y(), r.start.y()) + fontAscent + 2; - } - - if (axs != "") { - drawVisibleText(paint, axx, axy, axs, OutlinedText); - axy += fontHeight; - } - - if (ays != "") { - drawVisibleText(paint, axx, axy, ays, OutlinedText); - axy += fontHeight; - } - - if (bxs != "") { - drawVisibleText(paint, bxx, bxy, bxs, OutlinedText); - bxy += fontHeight; - } - - if (bys != "") { - drawVisibleText(paint, bxx, bxy, bys, OutlinedText); - bxy += fontHeight; - } - - if (dxs != "") { - drawVisibleText(paint, dxx, dxy, dxs, OutlinedText); - dxy += fontHeight; - } - - if (dys != "") { - drawVisibleText(paint, dxx, dxy, dys, OutlinedText); - dxy += fontHeight; - } - - if (r.start != r.end) { - - paint.save(); - - paint.setPen(Qt::green); - - paint.drawRect(r.start.x(), r.start.y(), - r.end.x() - r.start.x(), - r.end.y() - r.start.y()); - - paint.restore(); - } -} - -void Pane::drawEditingSelection(QPainter &paint) { int offset = m_mousePos.x() - m_clickPos.x(); @@ -1277,29 +1089,8 @@ } else if (mode == ViewManager::MeasureMode) { - //!!! command - - MeasureRect rect; - - rect.start = m_clickPos; - rect.end = rect.start; - - rect.startFrame = getFrameForX(rect.start.x()); - rect.endFrame = rect.startFrame; - - m_draggingRect = rect; - m_haveDraggingRect = true; - - -/*!!! - m_measureStart = m_clickPos; - m_measureEnd = m_measureStart; - - m_measureStartFrame = getFrameForX(m_clickPos.x()); - m_measureEndFrame = m_measureStartFrame; - - m_haveMeasureRect = true; -*/ + Layer *layer = getSelectedLayer(); + if (layer) layer->measureStart(this, e); update(); } @@ -1384,18 +1175,10 @@ } else if (mode == ViewManager::MeasureMode) { - if (m_haveDraggingRect) { - - LayerList::iterator vi = m_layers.end(); - if (vi != m_layers.begin()) { - Layer *topLayer = *(--vi); - m_measureRects[topLayer].push_back(m_draggingRect); - } - - m_haveDraggingRect = false; - } - - setCursor(m_measureCursor1); + Layer *layer = getSelectedLayer(); + if (layer) layer->measureEnd(this, e); + if (m_measureCursor1) setCursor(*m_measureCursor1); + update(); } m_clickedInRange = false; @@ -1483,16 +1266,16 @@ } else if (mode == ViewManager::MeasureMode) { - setCursor(m_measureCursor2); + if (m_measureCursor2) setCursor(*m_measureCursor2); - if (m_haveDraggingRect) { - m_draggingRect.end = e->pos(); - if (hasTopLayerTimeXAxis()) { - m_draggingRect.endFrame = getFrameForX(m_draggingRect.end.x()); - edgeScrollMaybe(e->x()); - } - update(); + Layer *layer = getSelectedLayer(); + if (layer) layer->measureDrag(this, e); + + if (hasTopLayerTimeXAxis()) { + edgeScrollMaybe(e->x()); } + + update(); } } @@ -2088,14 +1871,13 @@ ViewManager::ToolMode mode = m_manager->getToolMode(); // std::cerr << "Pane::toolModeChanged(" << mode << ")" << std::endl; - if (mode == ViewManager::MeasureMode && !m_measureCursorsCreated) { - m_measureCursor1 = QCursor(QBitmap(":/icons/measure1cursor.xbm"), - QBitmap(":/icons/measure1mask.xbm"), - 15, 14); - m_measureCursor2 = QCursor(QBitmap(":/icons/measure2cursor.xbm"), - QBitmap(":/icons/measure2mask.xbm"), - 16, 17); - m_measureCursorsCreated = true; + if (mode == ViewManager::MeasureMode && !m_measureCursor1) { + m_measureCursor1 = new QCursor(QBitmap(":/icons/measure1cursor.xbm"), + QBitmap(":/icons/measure1mask.xbm"), + 15, 14); + m_measureCursor2 = new QCursor(QBitmap(":/icons/measure2cursor.xbm"), + QBitmap(":/icons/measure2mask.xbm"), + 16, 17); } switch (mode) { @@ -2117,7 +1899,7 @@ break; case ViewManager::MeasureMode: - setCursor(m_measureCursor1); + if (m_measureCursor1) setCursor(*m_measureCursor1); break; /*
--- a/view/Pane.h Thu Jun 21 14:05:23 2007 +0000 +++ b/view/Pane.h Thu Jun 21 16:12:00 2007 +0000 @@ -88,25 +88,11 @@ virtual void wheelEvent(QWheelEvent *e); virtual void resizeEvent(QResizeEvent *e); - // pull this out into another class at some point - - struct MeasureRect { - QPoint start; - QPoint end; - long startFrame; // only valid for a layer that hasTimeXAxis - long endFrame; // ditto - }; - - typedef std::vector<MeasureRect> MeasureRectList; // should be x-ordered - typedef std::map<Layer *, MeasureRectList> MeasureRectMap; - void drawVerticalScale(QRect r, Layer *, QPainter &); void drawFeatureDescription(Layer *, QPainter &); void drawCentreLine(int, QPainter &); void drawDurationAndRate(QRect, const Model *, int, QPainter &); void drawLayerNames(QRect, QPainter &); - void drawMeasurementRects(Layer *, QPainter &); - void drawMeasurementRect(Layer *, MeasureRect &, QPainter &); void drawEditingSelection(QPainter &); virtual bool render(QPainter &paint, int x0, size_t f0, size_t f1); @@ -141,10 +127,6 @@ bool m_shiftPressed; bool m_ctrlPressed; - MeasureRectMap m_measureRects; - MeasureRect m_draggingRect; - bool m_haveDraggingRect; - bool m_navigating; bool m_resizing; size_t m_dragCentreFrame; @@ -169,9 +151,8 @@ Thumbwheel *m_vthumb; NotifyingPushButton *m_reset; - static QCursor m_measureCursor1; - static QCursor m_measureCursor2; - static bool m_measureCursorsCreated; + static QCursor *m_measureCursor1; + static QCursor *m_measureCursor2; }; #endif
--- a/view/View.cpp Thu Jun 21 14:05:23 2007 +0000 +++ b/view/View.cpp Thu Jun 21 16:12:00 2007 +0000 @@ -613,7 +613,7 @@ } void -View::drawVisibleText(QPainter &paint, int x, int y, QString text, TextStyle style) +View::drawVisibleText(QPainter &paint, int x, int y, QString text, TextStyle style) const { if (style == OutlinedText) { @@ -1628,6 +1628,159 @@ paint.restore(); } +void +View::drawMeasurementRect(QPainter &paint, const Layer *topLayer, QRect r) const +{ + if (r.x() + r.width() < 0 || r.x() >= width()) return; + + int fontHeight = paint.fontMetrics().height(); + int fontAscent = paint.fontMetrics().ascent(); + + float v0, v1; + QString u0, u1; + bool b0 = false, b1 = false; + + QString axs, ays, bxs, bys, dxs, dys; + + int axx, axy, bxx, bxy, dxx, dxy; + int aw = 0, bw = 0, dw = 0; + + int labelCount = 0; + + if ((b0 = topLayer->getXScaleValue(this, r.x(), v0, u0))) { + axs = QString("%1 %2").arg(v0).arg(u0); + aw = paint.fontMetrics().width(axs); + ++labelCount; + } + + if (r.width() > 0) { + if ((b1 = topLayer->getXScaleValue(this, r.x() + r.width(), v1, u1))) { + bxs = QString("%1 %2").arg(v1).arg(u1); + bw = paint.fontMetrics().width(bxs); + } + } + + if (b0 && b1 && u0 == u1) { + dxs = QString("(%1 %2)").arg(fabs(v1 - v0)).arg(u1); + dw = paint.fontMetrics().width(dxs); + } + + b0 = false; + b1 = false; + + if ((b0 = topLayer->getYScaleValue(this, r.y(), v0, u0))) { + ays = QString("%1 %2").arg(v0).arg(u0); + aw = std::max(aw, paint.fontMetrics().width(ays)); + ++labelCount; + } + + if (r.height() > 0) { + if ((b1 = topLayer->getYScaleValue(this, r.y() + r.height(), v1, u1))) { + bys = QString("%1 %2").arg(v1).arg(u1); + bw = std::max(bw, paint.fontMetrics().width(bys)); + } + } + + if (b0 && b1 && u0 == u1) { + dys = QString("(%1 %2)").arg(fabs(v1 - v0)).arg(u1); + dw = std::max(dw, paint.fontMetrics().width(dys)); + } + + int mw = r.width(); + int mh = r.height(); + + bool edgeLabelsInside = false; + bool sizeLabelsInside = false; + + if (mw < std::max(aw, std::max(bw, dw)) + 4) { + // defaults stand + } else if (mw < aw + bw + 4) { + if (mh > fontHeight * labelCount * 3 + 4) { + edgeLabelsInside = true; + sizeLabelsInside = true; + } else if (mh > fontHeight * labelCount * 2 + 4) { + edgeLabelsInside = true; + } + } else if (mw < aw + bw + dw + 4) { + if (mh > fontHeight * labelCount * 3 + 4) { + edgeLabelsInside = true; + sizeLabelsInside = true; + } else if (mh > fontHeight * labelCount + 4) { + edgeLabelsInside = true; + } + } else { + if (mh > fontHeight * labelCount + 4) { + edgeLabelsInside = true; + sizeLabelsInside = true; + } + } + + if (edgeLabelsInside) { + + axx = r.x() + 2; + axy = r.y() + fontAscent + 2; + + bxx = r.x() + r.width() - bw - 2; + bxy = r.y() + r.height() - (labelCount-1) * fontHeight - 2; + + } else { + + axx = r.x() - aw - 2; + axy = r.y() + fontAscent; + + bxx = r.x() + r.width() + 2; + bxy = r.y() + r.height() - (labelCount-1) * fontHeight; + } + + dxx = r.width()/2 + r.x() - dw/2; + + if (sizeLabelsInside) { + + dxy = r.height()/2 + r.y() - (labelCount * fontHeight)/2 + fontAscent; + + } else { + + dxy = r.y() + r.height() + fontAscent + 2; + } + + if (axs != "") { + drawVisibleText(paint, axx, axy, axs, OutlinedText); + axy += fontHeight; + } + + if (ays != "") { + drawVisibleText(paint, axx, axy, ays, OutlinedText); + axy += fontHeight; + } + + if (bxs != "") { + drawVisibleText(paint, bxx, bxy, bxs, OutlinedText); + bxy += fontHeight; + } + + if (bys != "") { + drawVisibleText(paint, bxx, bxy, bys, OutlinedText); + bxy += fontHeight; + } + + if (dxs != "") { + drawVisibleText(paint, dxx, dxy, dxs, OutlinedText); + dxy += fontHeight; + } + + if (dys != "") { + drawVisibleText(paint, dxx, dxy, dys, OutlinedText); + dxy += fontHeight; + } + + if (r.width() != 0 || r.height() != 0) { + paint.save(); + paint.setPen(Qt::green); + paint.drawRect(r); + paint.restore(); + } +} + bool View::render(QPainter &paint, int xorigin, size_t f0, size_t f1) {
--- a/view/View.h Thu Jun 21 14:05:23 2007 +0000 +++ b/view/View.h Thu Jun 21 16:12:00 2007 +0000 @@ -179,7 +179,9 @@ }; virtual void drawVisibleText(QPainter &p, int x, int y, - QString text, TextStyle style); + QString text, TextStyle style) const; + + virtual void drawMeasurementRect(QPainter &p, const Layer *, QRect rect) const; virtual bool shouldIlluminateLocalFeatures(const Layer *, QPoint &) const { return false;