From: Soeren Apel Date: Fri, 13 Apr 2018 17:00:13 +0000 (+0200) Subject: Fix #709 by deriving row/ann colors from the channel color X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=9ba13f5e933f55f015e7c592980dfad14b4c66a8;p=pulseview.git Fix #709 by deriving row/ann colors from the channel color --- diff --git a/pv/views/trace/decodetrace.cpp b/pv/views/trace/decodetrace.cpp index b05bcb0c..8dea8832 100644 --- a/pv/views/trace/decodetrace.cpp +++ b/pv/views/trace/decodetrace.cpp @@ -72,12 +72,9 @@ namespace pv { namespace views { namespace trace { -const QColor DecodeTrace::DecodeColors[4] = { - QColor(0xEF, 0x29, 0x29), // Red - QColor(0xFC, 0xE9, 0x4F), // Yellow - QColor(0x8A, 0xE2, 0x34), // Green - QColor(0x72, 0x9F, 0xCF) // Blue -}; + +#define DECODETRACE_COLOR_SATURATION (180) /* 0-255 */ +#define DECODETRACE_COLOR_VALUE (170) /* 0-255 */ const QColor DecodeTrace::ErrorBgColor = QColor(0xEF, 0x29, 0x29); const QColor DecodeTrace::NoDecodeColor = QColor(0x88, 0x8A, 0x85); @@ -89,44 +86,6 @@ const int DecodeTrace::DrawPadding = 100; const int DecodeTrace::MaxTraceUpdateRate = 1; // No more than 1 Hz -const QColor DecodeTrace::Colors[16] = { - QColor(0xEF, 0x29, 0x29), - QColor(0xF6, 0x6A, 0x32), - QColor(0xFC, 0xAE, 0x3E), - QColor(0xFB, 0xCA, 0x47), - QColor(0xFC, 0xE9, 0x4F), - QColor(0xCD, 0xF0, 0x40), - QColor(0x8A, 0xE2, 0x34), - QColor(0x4E, 0xDC, 0x44), - QColor(0x55, 0xD7, 0x95), - QColor(0x64, 0xD1, 0xD2), - QColor(0x72, 0x9F, 0xCF), - QColor(0xD4, 0x76, 0xC4), - QColor(0x9D, 0x79, 0xB9), - QColor(0xAD, 0x7F, 0xA8), - QColor(0xC2, 0x62, 0x9B), - QColor(0xD7, 0x47, 0x6F) -}; - -const QColor DecodeTrace::OutlineColors[16] = { - QColor(0x77, 0x14, 0x14), - QColor(0x7B, 0x35, 0x19), - QColor(0x7E, 0x57, 0x1F), - QColor(0x7D, 0x65, 0x23), - QColor(0x7E, 0x74, 0x27), - QColor(0x66, 0x78, 0x20), - QColor(0x45, 0x71, 0x1A), - QColor(0x27, 0x6E, 0x22), - QColor(0x2A, 0x6B, 0x4A), - QColor(0x32, 0x68, 0x69), - QColor(0x39, 0x4F, 0x67), - QColor(0x6A, 0x3B, 0x62), - QColor(0x4E, 0x3C, 0x5C), - QColor(0x56, 0x3F, 0x54), - QColor(0x61, 0x31, 0x4D), - QColor(0x6B, 0x23, 0x37) -}; - DecodeTrace::DecodeTrace(pv::Session &session, shared_ptr signalbase, int index) : Trace(signalbase), @@ -142,7 +101,16 @@ DecodeTrace::DecodeTrace(pv::Session &session, QFontMetrics m(QApplication::font()); min_useful_label_width_ = m.width("XX"); // e.g. two hex characters - base_->set_color(DecodeColors[index % countof(DecodeColors)]); + // For the base color, we want to start at a very different color for + // every decoder stack, so multiply the index with a number that is + // rather close to 180 degrees of the color circle but not a dividend of 360 + // Note: The offset equals the color of the first annotation + QColor color; + const int h = (120 + 160 * index) % 360; + const int s = DECODETRACE_COLOR_SATURATION; + const int v = DECODETRACE_COLOR_VALUE; + color.setHsv(h, s, v); + base_->set_color(color); connect(decode_signal_.get(), SIGNAL(new_annotations()), this, SLOT(on_new_annotations())); @@ -227,19 +195,12 @@ void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp) row_title_width = w; } - // Determine the row's color - size_t base_color = 0x13579BDF; - boost::hash_combine(base_color, this); - boost::hash_combine(base_color, row.decoder()); - boost::hash_combine(base_color, row.row()); - base_color >>= 16; - vector annotations; decode_signal_->get_annotation_subset(annotations, row, current_segment_, sample_range.first, sample_range.second); if (!annotations.empty()) { draw_annotations(annotations, p, annotation_height, pp, y, - base_color, row_title_width); + get_row_color(visible_rows_.size()), row_title_width); y += row_height_; @@ -362,7 +323,7 @@ QMenu* DecodeTrace::create_context_menu(QWidget *parent) void DecodeTrace::draw_annotations(vector annotations, QPainter &p, int h, const ViewItemPaintParams &pp, int y, - size_t base_color, int row_title_width) + QColor row_color, int row_title_width) { using namespace pv::data::decode; @@ -406,17 +367,17 @@ void DecodeTrace::draw_annotations(vector annotati 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, base_color, + draw_annotation(a_block.front(), p, h, pp, y, row_color, row_title_width); } else - draw_annotation_block(a_block, p, h, y, base_color); + draw_annotation_block(a_block, p, h, y, row_color); a_block.clear(); } if (a_is_separate) { - draw_annotation(a, p, h, pp, y, base_color, row_title_width); + 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 @@ -428,15 +389,14 @@ void DecodeTrace::draw_annotations(vector annotati } if (a_block.size() == 1) - draw_annotation(a_block.front(), p, h, pp, y, base_color, - row_title_width); + draw_annotation(a_block.front(), p, h, pp, y, row_color, row_title_width); else - draw_annotation_block(a_block, p, h, y, base_color); + draw_annotation_block(a_block, p, h, y, row_color); } void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, QPainter &p, int h, const ViewItemPaintParams &pp, int y, - size_t base_color, int row_title_width) const + QColor row_color, int row_title_width) const { double samples_per_pixel, pixels_offset; tie(pixels_offset, samples_per_pixel) = @@ -446,9 +406,9 @@ void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, pixels_offset; const double end = a.end_sample() / samples_per_pixel - pixels_offset; - const size_t color = (base_color + a.format()) % countof(Colors); - p.setPen(OutlineColors[color]); - p.setBrush(Colors[color]); + QColor color = get_annotation_color(row_color, a.format()); + p.setPen(color.darker()); + p.setBrush(color); if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding) return; @@ -461,7 +421,7 @@ void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, void DecodeTrace::draw_annotation_block( vector annotations, QPainter &p, int h, - int y, size_t base_color) const + int y, QColor row_color) const { using namespace pv::data::decode; @@ -480,8 +440,7 @@ void DecodeTrace::draw_annotation_block( const double top = y + .5 - h / 2; const double bottom = y + .5 + h / 2; - const size_t color = (base_color + annotations.front().format()) % - countof(Colors); + 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) @@ -497,9 +456,8 @@ void DecodeTrace::draw_annotation_block( p.setBrush(Qt::white); p.drawRoundedRect(rect, r, r); - p.setPen((single_format ? OutlineColors[color] : Qt::gray)); - p.setBrush(QBrush((single_format ? Colors[color] : Qt::gray), - Qt::Dense4Pattern)); + p.setPen((single_format ? color.darker() : Qt::gray)); + p.setBrush(QBrush((single_format ? color : Qt::gray), Qt::Dense4Pattern)); p.drawRoundedRect(rect, r, r); } @@ -671,6 +629,34 @@ pair DecodeTrace::get_sample_range( return make_pair(start, end); } +QColor DecodeTrace::get_row_color(int row_index) const +{ + // For each row color, use the base color hue and add an offset that's + // not a dividend of 360 + + QColor color; + const int h = (base_->color().toHsv().hue() + 20 * row_index) % 360; + const int s = DECODETRACE_COLOR_SATURATION; + const int v = DECODETRACE_COLOR_VALUE; + color.setHsl(h, s, v); + + return color; +} + +QColor DecodeTrace::get_annotation_color(QColor row_color, int annotation_index) const +{ + // For each row color, use the base color hue and add an offset that's + // not a dividend of 360 and not a multiple of the row offset + + QColor color(row_color); + const int h = (color.toHsv().hue() + 55 * annotation_index) % 360; + const int s = DECODETRACE_COLOR_SATURATION; + const int v = DECODETRACE_COLOR_VALUE; + color.setHsl(h, s, v); + + return color; +} + int DecodeTrace::get_row_at_point(const QPoint &point) { if (!row_height_) diff --git a/pv/views/trace/decodetrace.hpp b/pv/views/trace/decodetrace.hpp index 410ea627..692a5f71 100644 --- a/pv/views/trace/decodetrace.hpp +++ b/pv/views/trace/decodetrace.hpp @@ -27,6 +27,7 @@ #include #include +#include #include #include #include @@ -44,8 +45,6 @@ using std::vector; struct srd_channel; struct srd_decoder; -class QComboBox; - namespace pv { class Session; @@ -74,7 +73,6 @@ class DecodeTrace : public Trace Q_OBJECT private: - static const QColor DecodeColors[4]; static const QColor ErrorBgColor; static const QColor NoDecodeColor; @@ -85,9 +83,6 @@ private: static const int MaxTraceUpdateRate; - static const QColor Colors[16]; - static const QColor OutlineColors[16]; - public: DecodeTrace(pv::Session &session, shared_ptr signalbase, int index); @@ -132,14 +127,14 @@ public: private: void draw_annotations(vector annotations, QPainter &p, int h, const ViewItemPaintParams &pp, int y, - size_t base_color, int row_title_width); + QColor row_color, int row_title_width); void draw_annotation(const pv::data::decode::Annotation &a, QPainter &p, int h, const ViewItemPaintParams &pp, int y, - size_t base_color, int row_title_width) const; + QColor row_color, int row_title_width) const; void draw_annotation_block(vector annotations, - QPainter &p, int h, int y, size_t base_color) const; + QPainter &p, int h, int y, QColor row_color) const; void draw_instant(const pv::data::decode::Annotation &a, QPainter &p, int h, double x, int y) const; @@ -165,6 +160,9 @@ private: */ pair get_sample_range(int x_start, int x_end) const; + QColor get_row_color(int row_index) const; + QColor get_annotation_color(QColor row_color, int annotation_index) const; + int get_row_at_point(const QPoint &point); const QString get_annotation_at_point(const QPoint &point);