X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fanalogsignal.cpp;h=a15861c88d0ecfd8e4649389762dea8312dae754;hb=aca9aa834c742ba70f49d1ac3eb2d1e02e759416;hp=1cdea278dd38228c3c7a989f99ae0664528841fe;hpb=a8fd27591e6c45776f0d917592e3d1f076607c48;p=pulseview.git diff --git a/pv/view/analogsignal.cpp b/pv/view/analogsignal.cpp index 1cdea27..a15861c 100644 --- a/pv/view/analogsignal.cpp +++ b/pv/view/analogsignal.cpp @@ -40,9 +40,9 @@ #include "pv/data/logic.hpp" #include "pv/data/logicsegment.hpp" #include "pv/data/signalbase.hpp" -#include "pv/view/view.hpp" -#include "pv/view/logicsignal.hpp" #include "pv/globalsettings.hpp" +#include "pv/view/logicsignal.hpp" +#include "pv/view/view.hpp" #include @@ -68,12 +68,13 @@ const QColor AnalogSignal::SignalColours[4] = { QColor(0x4E, 0x9A, 0x06) // Green }; -const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40*256/100); -const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20*256/100); +const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40 * 256 / 100); +const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20 * 256 / 100); const QColor AnalogSignal::SamplingPointColour(0x77, 0x77, 0x77); -const float AnalogSignal::EnvelopeThreshold = 256.0f; +const int64_t AnalogSignal::TracePaintBlockSize = 1024 * 1024; // 4 MiB (due to float) +const float AnalogSignal::EnvelopeThreshold = 64.0f; const int AnalogSignal::MaximumVDivs = 10; const int AnalogSignal::MinScaleIndex = -6; @@ -157,16 +158,14 @@ int AnalogSignal::scale_handle_offset() const { const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; - return ((scale_index_drag_offset_ - scale_index_) * - h / 4) - h / 2; + return ((scale_index_drag_offset_ - scale_index_) * h / 4) - h / 2; } void AnalogSignal::scale_handle_dragged(int offset) { const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; - scale_index_ = scale_index_drag_offset_ - - (offset + h / 2) / (h / 4); + scale_index_ = scale_index_drag_offset_ - (offset + h / 2) / (h / 4); update_scale(); } @@ -243,20 +242,22 @@ void AnalogSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp) if (!enabled()) return; - const int y = get_visual_y(); + if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { + const int y = get_visual_y(); - // Show the info section on the right side of the trace - const QString infotext = QString("%1 V/div").arg(resolution_); + // Show the info section on the right side of the trace + const QString infotext = QString("%1 V/div").arg(resolution_); - p.setPen(base_->colour()); - p.setFont(QApplication::font()); + p.setPen(base_->colour()); + p.setFont(QApplication::font()); - const QRectF bounding_rect = QRectF(pp.left(), - y + v_extents().first, - pp.width() - InfoTextMarginRight, - v_extents().second - v_extents().first - InfoTextMarginBottom); + const QRectF bounding_rect = QRectF(pp.left(), + y + v_extents().first, + pp.width() - InfoTextMarginRight, + v_extents().second - v_extents().first - InfoTextMarginBottom); - p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext); + p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext); + } } void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right) @@ -309,6 +310,15 @@ void AnalogSignal::paint_trace(QPainter &p, int y, int left, const int64_t start, const int64_t end, const double pixels_offset, const double samples_per_pixel) { + if (end <= start) + return; + + // Calculate and paint the sampling points if enabled and useful + GlobalSettings settings; + const bool show_sampling_points = + settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() && + (samples_per_pixel < 0.25); + p.setPen(base_->colour()); const int64_t points_count = end - start; @@ -316,38 +326,45 @@ void AnalogSignal::paint_trace(QPainter &p, QPointF *points = new QPointF[points_count]; QPointF *point = points; - QRectF *const sampling_points = new QRectF[points_count]; + QRectF *sampling_points = nullptr; + if (show_sampling_points) + sampling_points = new QRectF[points_count]; QRectF *sampling_point = sampling_points; - pv::data::SegmentAnalogDataIterator* it = - segment->begin_sample_iteration(start); + int64_t sample_count = min(points_count, TracePaintBlockSize); + int64_t block_sample = 0; + const float *sample_block = segment->get_samples(start, start + sample_count); const int w = 2; - for (int64_t sample = start; sample != end; sample++) { + for (int64_t sample = start; sample != end; sample++, block_sample++) { + + if (block_sample == TracePaintBlockSize) { + block_sample = 0; + delete[] sample_block; + sample_count = min(points_count - sample, TracePaintBlockSize); + sample_block = segment->get_samples(sample, sample + sample_count); + } + const float x = (sample / samples_per_pixel - pixels_offset) + left; - *point++ = QPointF(x, y - *((float*)it->value) * scale_); - *sampling_point++ = QRectF(x - (w / 2), y - *((float*)it->value) * scale_ - (w / 2), w, w); + *point++ = QPointF(x, y - sample_block[block_sample] * scale_); - segment->continue_sample_iteration(it, 1); + if (show_sampling_points) + *sampling_point++ = + QRectF(x - (w / 2), y - sample_block[block_sample] * scale_ - (w / 2), w, w); } - segment->end_sample_iteration(it); + delete[] sample_block; p.drawPolyline(points, points_count); - // Paint the sampling points if enabled - GlobalSettings settings; - const bool show_sampling_points = - settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); - - if (show_sampling_points && (samples_per_pixel < 0.25)) { + if (show_sampling_points) { p.setPen(SamplingPointColour); p.drawRects(sampling_points, points_count); + delete[] sampling_points; } delete[] points; - delete[] sampling_points; } void AnalogSignal::paint_envelope(QPainter &p, @@ -369,7 +386,7 @@ void AnalogSignal::paint_envelope(QPainter &p, QRectF *const rects = new QRectF[e.length]; QRectF *rect = rects; - for (uint64_t sample = 0; sample < e.length-1; sample++) { + for (uint64_t sample = 0; sample < e.length - 1; sample++) { const float x = ((e.scale * sample + e.start) / samples_per_pixel - pixels_offset) + left; const AnalogSegment::EnvelopeSample *const s = @@ -377,8 +394,8 @@ void AnalogSignal::paint_envelope(QPainter &p, // We overlap this sample with the next so that vertical // gaps do not appear during steep rising or falling edges - const float b = y - max(s->max, (s+1)->min) * scale_; - const float t = y - min(s->min, (s+1)->max) * scale_; + const float b = y - max(s->max, (s + 1)->min) * scale_; + const float t = y - min(s->min, (s + 1)->max) * scale_; float h = b - t; if (h >= 0.0f && h <= 1.0f) @@ -675,6 +692,9 @@ void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) layout->addRow(tr("Traces to show:"), display_type_cb_); + connect(display_type_cb_, SIGNAL(currentIndexChanged(int)), + this, SLOT(on_display_type_changed(int))); + form->addRow(layout); } @@ -752,6 +772,14 @@ void AnalogSignal::on_conversion_changed(int index) } } +void AnalogSignal::on_display_type_changed(int index) +{ + display_type_ = (DisplayType)(display_type_cb_->itemData(index).toInt()); + + if (owner_) + owner_->row_item_appearance_changed(false, true); +} + } // namespace TraceView } // namespace views } // namespace pv