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Add continuous option to the graph (#6093)

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Co-authored-by: Samuel Sieb <samuel@sieb.net>
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Samuel Sieb 2024-01-15 23:44:12 -08:00 committed by GitHub
parent 249cd67588
commit 26acbbedbf
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3 changed files with 38 additions and 6 deletions
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4
esphome/components/graph/__init__.py
View file

@ -61,6 +61,7 @@ VALUE_POSITION_TYPE = {
"BELOW": ValuePositionType.VALUE_POSITION_TYPE_BELOW,
}
CONF_CONTINUOUS = "continuous"
GRAPH_TRACE_SCHEMA = cv.Schema(
{
@ -70,6 +71,7 @@ GRAPH_TRACE_SCHEMA = cv.Schema(
cv.Optional(CONF_LINE_THICKNESS): cv.positive_int,
cv.Optional(CONF_LINE_TYPE): cv.enum(LINE_TYPE, upper=True),
cv.Optional(CONF_COLOR): cv.use_id(color.ColorStruct),
cv.Optional(CONF_CONTINUOUS): cv.boolean,
}
)
@ -186,6 +188,8 @@ async def to_code(config):
if CONF_COLOR in trace:
c = await cg.get_variable(trace[CONF_COLOR])
cg.add(tr.set_line_color(c))
if CONF_CONTINUOUS in trace:
cg.add(tr.set_continuous(trace[CONF_CONTINUOUS]))
cg.add(var.add_trace(tr))
# Add legend
if CONF_LEGEND in config:

35
esphome/components/graph/graph.cpp
View file

@ -165,17 +165,42 @@ void Graph::draw(Display *buff, uint16_t x_offset, uint16_t y_offset, Color colo
for (auto *trace : traces_) {
Color c = trace->get_line_color();
uint16_t thick = trace->get_line_thickness();
bool continuous = trace->get_continuous();
bool has_prev = false;
bool prev_b = false;
int16_t prev_y = 0;
for (uint32_t i = 0; i < this->width_; i++) {
float v = (trace->get_tracedata()->get_value(i) - ymin) / yrange;
if (!std::isnan(v) && (thick > 0)) {
int16_t x = this->width_ - 1 - i;
uint8_t b = (i % (thick * LineType::PATTERN_LENGTH)) / thick;
if (((uint8_t) trace->get_line_type() & (1 << b)) == (1 << b)) {
int16_t y = (int16_t) roundf((this->height_ - 1) * (1.0 - v)) - thick / 2;
int16_t x = this->width_ - 1 - i + x_offset;
uint8_t bit = 1 << ((i % (thick * LineType::PATTERN_LENGTH)) / thick);
bool b = (trace->get_line_type() & bit) == bit;
if (b) {
int16_t y = (int16_t) roundf((this->height_ - 1) * (1.0 - v)) - thick / 2 + y_offset;
if (!continuous || !has_prev || !prev_b || (abs(y - prev_y) <= thick)) {
for (uint16_t t = 0; t < thick; t++) {
buff->draw_pixel_at(x_offset + x, y_offset + y + t, c);
buff->draw_pixel_at(x, y + t, c);
}
} else {
int16_t mid_y = (y + prev_y + thick) / 2;
if (y > prev_y) {
for (uint16_t t = prev_y + thick; t <= mid_y; t++)
buff->draw_pixel_at(x + 1, t, c);
for (uint16_t t = mid_y + 1; t < y + thick; t++)
buff->draw_pixel_at(x, t, c);
} else {
for (uint16_t t = prev_y - 1; t >= mid_y; t--)
buff->draw_pixel_at(x + 1, t, c);
for (uint16_t t = mid_y - 1; t >= y; t--)
buff->draw_pixel_at(x, t, c);
}
}
prev_y = y;
}
prev_b = b;
has_prev = true;
} else {
has_prev = false;
}
}
}

3
esphome/components/graph/graph.h
View file

@ -116,6 +116,8 @@ class GraphTrace {
void set_line_type(enum LineType val) { this->line_type_ = val; }
Color get_line_color() { return this->line_color_; }
void set_line_color(Color val) { this->line_color_ = val; }
bool get_continuous() { return this->continuous_; }
void set_continuous(bool continuous) { this->continuous_ = continuous; }
std::string get_name() { return name_; }
const HistoryData *get_tracedata() { return &data_; }
@ -125,6 +127,7 @@ class GraphTrace {
uint8_t line_thickness_{3};
enum LineType line_type_ { LINE_TYPE_SOLID };
Color line_color_{COLOR_ON};
bool continuous_{false};
HistoryData data_;
friend Graph;