X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fdecodetrace.cpp;h=c2f3cebe5b7b40c14b23ca8e922a2faebdcb1a0c;hp=8dea88321a7c642cf25dc447843fad403856ab60;hb=5c48ce328b0b049d0ddc1b137f20118c9084c929;hpb=9ba13f5e933f55f015e7c592980dfad14b4c66a8 diff --git a/pv/views/trace/decodetrace.cpp b/pv/views/trace/decodetrace.cpp index 8dea8832..c2f3cebe 100644 --- a/pv/views/trace/decodetrace.cpp +++ b/pv/views/trace/decodetrace.cpp @@ -22,11 +22,10 @@ extern "C" { } #include +#include #include -#include - #include #include @@ -53,6 +52,7 @@ extern "C" { #include #include +using std::abs; using std::all_of; using std::make_pair; using std::max; @@ -327,8 +327,15 @@ void DecodeTrace::draw_annotations(vector annotati { using namespace pv::data::decode; - vector a_block; - int p_end = INT_MIN; + Annotation::Class block_class = 0; + bool block_class_uniform = true; + qreal block_start = 0; + int block_ann_count = 0; + + const Annotation *prev_ann; + qreal prev_end = INT_MIN; + + qreal a_end; double samples_per_pixel, pixels_offset; tie(pixels_offset, samples_per_pixel) = @@ -343,18 +350,21 @@ void DecodeTrace::draw_annotations(vector annotati // Gather all annotations that form a visual "block" and draw them as such for (const Annotation &a : annotations) { - const int a_start = a.start_sample() / samples_per_pixel - pixels_offset; - const int a_end = a.end_sample() / samples_per_pixel - pixels_offset; - const int a_width = a_end - a_start; + const qreal abs_a_start = a.start_sample() / samples_per_pixel; + const qreal abs_a_end = a.end_sample() / samples_per_pixel; + + const qreal a_start = abs_a_start - pixels_offset; + a_end = abs_a_end - pixels_offset; - const int delta = a_end - p_end; + const qreal a_width = a_end - a_start; + const qreal delta = a_end - prev_end; bool a_is_separate = false; // Annotation wider than the threshold for a useful label width? if (a_width >= min_useful_label_width_) { for (const QString &ann_text : a.annotations()) { - const int w = p.boundingRect(QRectF(), 0, ann_text).width(); + const qreal w = p.boundingRect(QRectF(), 0, ann_text).width(); // Annotation wide enough to fit a label? Don't put it in a block then if (w <= a_width) { a_is_separate = true; @@ -366,32 +376,44 @@ void DecodeTrace::draw_annotations(vector annotati // Were the previous and this annotation more than a pixel apart? if ((abs(delta) > 1) || a_is_separate) { // Block was broken, draw annotations that form the current block - if (a_block.size() == 1) { - draw_annotation(a_block.front(), p, h, pp, y, row_color, + if (block_ann_count == 1) + draw_annotation(*prev_ann, p, h, pp, y, row_color, row_title_width); - } - else - draw_annotation_block(a_block, p, h, y, row_color); + else if (block_ann_count > 0) + draw_annotation_block(block_start, prev_end, block_class, + block_class_uniform, p, h, y, row_color); - a_block.clear(); + block_ann_count = 0; } if (a_is_separate) { draw_annotation(a, p, h, pp, y, row_color, row_title_width); // Next annotation must start a new block. delta will be > 1 - // because we set p_end to INT_MIN but that's okay since - // a_block will be empty, so nothing will be drawn - p_end = INT_MIN; + // because we set prev_end to INT_MIN but that's okay since + // block_ann_count will be 0 and nothing will be drawn + prev_end = INT_MIN; + block_ann_count = 0; } else { - a_block.push_back(a); - p_end = a_end; + prev_end = a_end; + prev_ann = &a; + + if (block_ann_count == 0) { + block_start = a_start; + block_class = a.ann_class(); + block_class_uniform = true; + } else + if (a.ann_class() != block_class) + block_class_uniform = false; + + block_ann_count++; } } - if (a_block.size() == 1) - draw_annotation(a_block.front(), p, h, pp, y, row_color, row_title_width); - else - draw_annotation_block(a_block, p, h, y, row_color); + if (block_ann_count == 1) + draw_annotation(*prev_ann, p, h, pp, y, row_color, row_title_width); + else if (block_ann_count > 0) + draw_annotation_block(block_start, prev_end, block_class, + block_class_uniform, p, h, y, row_color); } void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, @@ -406,7 +428,7 @@ void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, pixels_offset; const double end = a.end_sample() / samples_per_pixel - pixels_offset; - QColor color = get_annotation_color(row_color, a.format()); + QColor color = get_annotation_color(row_color, a.ann_class()); p.setPen(color.darker()); p.setBrush(color); @@ -419,36 +441,13 @@ void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, draw_range(a, p, h, start, end, y, pp, row_title_width); } -void DecodeTrace::draw_annotation_block( - vector annotations, QPainter &p, int h, +void DecodeTrace::draw_annotation_block(qreal start, qreal end, + Annotation::Class ann_class, bool use_ann_format, QPainter &p, int h, int y, QColor row_color) const { - using namespace pv::data::decode; - - if (annotations.empty()) - return; - - double samples_per_pixel, pixels_offset; - tie(pixels_offset, samples_per_pixel) = - get_pixels_offset_samples_per_pixel(); - - const double start = annotations.front().start_sample() / - samples_per_pixel - pixels_offset; - const double end = annotations.back().end_sample() / - samples_per_pixel - pixels_offset; - const double top = y + .5 - h / 2; const double bottom = y + .5 + h / 2; - QColor color = get_annotation_color(row_color, annotations.front().format()); - - // Check if all annotations are of the same type (i.e. we can use one color) - // or if we should use a neutral color (i.e. gray) - const int format = annotations.front().format(); - const bool single_format = all_of( - annotations.begin(), annotations.end(), - [&](const Annotation &a) { return a.format() == format; }); - const QRectF rect(start, top, end - start, bottom - top); const int r = h / 4; @@ -456,17 +455,27 @@ void DecodeTrace::draw_annotation_block( p.setBrush(Qt::white); p.drawRoundedRect(rect, r, r); - p.setPen((single_format ? color.darker() : Qt::gray)); - p.setBrush(QBrush((single_format ? color : Qt::gray), Qt::Dense4Pattern)); + // If all annotations in this block are of the same type, we can use the + // one format that all of these annotations have. Otherwise, we should use + // a neutral color (i.e. gray) + if (use_ann_format) { + const QColor color = get_annotation_color(row_color, ann_class); + p.setPen(color.darker()); + p.setBrush(QBrush(color, Qt::Dense4Pattern)); + } else { + p.setPen(Qt::gray); + p.setBrush(QBrush(Qt::gray, Qt::Dense4Pattern)); + } + p.drawRoundedRect(rect, r, r); } void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p, - int h, double x, int y) const + int h, qreal x, int y) const { const QString text = a.annotations().empty() ? QString() : a.annotations().back(); - const double w = min((double)p.boundingRect(QRectF(), 0, text).width(), + const qreal w = min((qreal)p.boundingRect(QRectF(), 0, text).width(), 0.0) + h; const QRectF rect(x - w / 2, y - h / 2, w, h); @@ -477,11 +486,11 @@ void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter & } void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, - int h, double start, double end, int y, const ViewItemPaintParams &pp, + int h, qreal start, qreal end, int y, const ViewItemPaintParams &pp, int row_title_width) const { - const double top = y + .5 - h / 2; - const double bottom = y + .5 + h / 2; + const qreal top = y + .5 - h / 2; + const qreal bottom = y + .5 + h / 2; const vector annotations = a.annotations(); // If the two ends are within 1 pixel, draw a vertical line @@ -490,7 +499,7 @@ void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, return; } - const double cap_width = min((end - start) / 4, EndCapWidth); + const qreal cap_width = min((end - start) / 4, EndCapWidth); QPointF pts[] = { QPointF(start, y + .5f), @@ -549,7 +558,7 @@ void DecodeTrace::draw_error(QPainter &p, const QString &message, QRectF(pp.left(), INT_MIN / 2 + y, pp.right(), INT_MAX); const QRectF text_rect = p.boundingRect(bounding_rect, Qt::AlignCenter, message); - const float r = text_rect.height() / 4; + const qreal r = text_rect.height() / 4; p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r, Qt::AbsoluteSize); @@ -581,7 +590,7 @@ void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, int right samples_per_pixel - pixels_offset, left - 1.0); const double end = min(sample_count / samples_per_pixel - pixels_offset, right + 1.0); - const QRectF no_decode_rect(start, y - (h / 2) + 0.5, end - start, h); + const QRectF no_decode_rect(start, y - (h / 2) - 0.5, end - start, h); p.setPen(QPen(Qt::NoPen)); p.setBrush(Qt::white);