Update map to allow multiple markers

This commit is contained in:
heurist1 2023-02-28 19:09:05 +00:00
parent ef151e243b
commit 00b75eacda
2 changed files with 158 additions and 29 deletions

View File

@ -134,7 +134,7 @@ int32_t GeoPos::altitude() {
GeoMap::GeoMap(
Rect parent_rect
) : Widget { parent_rect }
) : Widget { parent_rect }, markerListLen(0)
{
//set_focusable(true);
}
@ -145,33 +145,43 @@ void GeoMap::paint(Painter& painter) {
const auto r = screen_rect();
// Ony redraw map if it moved by at least 1 pixel
if ((x_pos != prev_x_pos) || (y_pos != prev_y_pos)) {
// or the markers list was updated
int x_diff = abs(x_pos-prev_x_pos);
int y_diff = abs(y_pos-prev_y_pos);
if (markerListUpdated || (x_diff>=3) || (y_diff>=3)) {
for (line = 0; line < r.height(); line++) {
map_file.seek(4 + ((x_pos + (map_width * (y_pos + line))) << 1));
map_file.read(map_line_buffer.data(), r.width() << 1);
display.draw_pixels({ 0, r.top() + line, r.width(), 1 }, map_line_buffer);
}
prev_x_pos = x_pos;
prev_y_pos = y_pos;
// Draw the other markers
for ( int i=0; i<markerListLen; ++i )
{
GeoMarker & item = markerList[i];
double lat_rad = sin(item.lat * pi / 180);
int x = (map_width * (item.lon+180)/360) - x_pos;
int y = (map_height - ((map_world_lon / 2 * log((1 + lat_rad) / (1 - lat_rad))) - map_offset)) - y_pos; // Offset added for the GUI
if ((x>=0) && (x<r.width()) &&
(y>10) && (y<r.height()) ) // Dont draw within symbol size of top
{
ui::Point itemPoint(x,y+r.top());
if(y>=32) { // Dont draw text if it would overlap top
// Text and symbol
draw_marker(painter, itemPoint, item.angle, item.tag, Color::blue(), Color::blue(), Color::magenta() );
} else {
// Only symbol
draw_bearing( itemPoint, item.angle, 10, Color::blue());
}
//center tag above point
if(tag_.find_first_not_of(' ') != tag_.npos){ //only draw tag if we have something other than spaces
painter.draw_string(r.center() - Point(((int)tag_.length() * 8 / 2), 2 * 16), style(), tag_);
}
if (mode_ == PROMPT) {
// Cross
display.fill_rectangle({ r.center() - Point(16, 1), { 32, 2 } }, Color::red());
display.fill_rectangle({ r.center() - Point(1, 16), { 2, 32 } }, Color::red());
} else if (angle_ < 360){
//if we have a valid angle draw bearing
draw_bearing(r.center(), angle_, 10, Color::red());
}
else {
//draw a small cross
display.fill_rectangle({ r.center() - Point(8, 1), { 16, 2 } }, Color::red());
display.fill_rectangle({ r.center() - Point(1, 8), { 2, 16 } }, Color::red());
markerListUpdated = false;
} // Draw the other markers
}
//Draw the marker in the center
draw_marker(painter, r.center(), angle_, tag_, Color::red(), Color::white(), Color::black() );
}
bool GeoMap::on_touch(const TouchEvent event) {
@ -196,10 +206,7 @@ void GeoMap::move(const float lon, const float lat) {
x_pos = map_width * (lon_+180)/360 - (map_rect.width() / 2);
// Latitude calculation based on https://stackoverflow.com/a/10401734/2278659
double map_bottom = sin(-85.05 * pi / 180); // Map bitmap only goes from about -85 to 85 lat
double lat_rad = sin(lat * pi / 180);
double map_world_lon = map_width / (2 * pi);
double map_offset = (map_world_lon / 2 * log((1 + map_bottom) / (1 - map_bottom)));
y_pos = map_height - ((map_world_lon / 2 * log((1 + lat_rad) / (1 - lat_rad))) - map_offset) - 128; // Offset added for the GUI
// Cap position
@ -223,6 +230,10 @@ bool GeoMap::init() {
lon_ratio = 180.0 / map_center_x;
lat_ratio = -90.0 / map_center_y;
map_bottom = sin(-85.05 * pi / 180); // Map bitmap only goes from about -85 to 85 lat
map_world_lon = map_width / (2 * pi);
map_offset = (map_world_lon / 2 * log((1 + map_bottom) / (1 - map_bottom)));
return true;
}
@ -234,9 +245,9 @@ void GeoMap::draw_bearing(const Point origin, const uint16_t angle, uint32_t siz
Point arrow_a, arrow_b, arrow_c;
for (size_t thickness = 0; thickness < 3; thickness++) {
arrow_a = polar_to_point(angle, size) + origin;
arrow_b = polar_to_point(angle + 180 - 35, size) + origin;
arrow_c = polar_to_point(angle + 180 + 35, size) + origin;
arrow_a = fast_polar_to_point((int)angle, size) + origin;
arrow_b = fast_polar_to_point((int)(angle + 180 - 35), size) + origin;
arrow_c = fast_polar_to_point((int)(angle + 180 + 35), size) + origin;
display.draw_line(arrow_a, arrow_b, color);
display.draw_line(arrow_b, arrow_c, color);
@ -246,6 +257,65 @@ void GeoMap::draw_bearing(const Point origin, const uint16_t angle, uint32_t siz
}
}
void GeoMap::draw_marker(Painter& painter, const ui::Point itemPoint, const uint16_t itemAngle, const std::string itemTag,
const Color color, const Color fontColor, const Color backColor )
{
int tagOffset = 10;
if (mode_ == PROMPT) {
// Cross
display.fill_rectangle({ itemPoint - Point(16, 1), { 32, 2 } }, color);
display.fill_rectangle({ itemPoint - Point(1, 16), { 2, 32 } }, color);
tagOffset = 16;
} else if (angle_ < 360){
//if we have a valid angle draw bearing
draw_bearing( itemPoint, itemAngle, 10, color);
tagOffset = 10;
}
else {
//draw a small cross
display.fill_rectangle({ itemPoint - Point(8, 1), { 16, 2 } }, color);
display.fill_rectangle({ itemPoint - Point(1, 8), { 2, 16 } }, color);
tagOffset = 8;
}
//center tag above point
if(itemTag.find_first_not_of(' ') != itemTag.npos){ //only draw tag if we have something other than spaces
painter.draw_string( itemPoint - Point(((int)itemTag.length() * 8 / 2), 14 + tagOffset ),
style().font, fontColor, backColor, itemTag);
}
}
void GeoMap::clear_markers()
{
markerListLen = 0;
}
MapMarkerStored GeoMap::store_marker(GeoMarker & marker)
{
MapMarkerStored ret;
// Check if it could be on screen
// Only checking one direction to reduce CPU
const auto r = screen_rect();
double lat_rad = sin(marker.lat * pi / 180);
int x = (map_width * (marker.lon+180)/360) - x_pos;
int y = (map_height - ((map_world_lon / 2 * log((1 + lat_rad) / (1 - lat_rad))) - map_offset)) - y_pos; // Offset added for the GUI
if (false==((x>=0) && (x<r.width()) && (y>10) && (y<r.height()))) // Dont draw within symbol size of top
{
ret = MARKER_NOT_STORED;
}
else if (markerListLen<NumMarkerListElements)
{
markerList[markerListLen] = marker;
markerListLen++;
markerListUpdated = true;
ret = MARKER_STORED;
} else {
ret = MARKER_LIST_FULL;
}
return ret;
}
void GeoMapView::focus() {
geopos.focus();
@ -270,6 +340,10 @@ void GeoMapView::update_position(float lat, float lon, uint16_t angle, int32_t a
geomap.set_dirty();
}
void GeoMapView::update_tag(const std::string tag) {
geomap.set_tag(tag);
}
void GeoMapView::setup() {
add_child(&geomap);
@ -375,4 +449,14 @@ GeoMapView::GeoMapView(
};
}
void GeoMapView::clear_markers()
{
geomap.clear_markers();
}
MapMarkerStored GeoMapView::store_marker(GeoMarker & marker)
{
return geomap.store_marker(marker);
}
} /* namespace ui */

View File

@ -37,6 +37,24 @@ enum GeoMapMode {
PROMPT
};
struct GeoMarker {
public:
float lat {0};
float lon {0};
uint16_t angle {0};
std::string tag {""};
GeoMarker & operator=(GeoMarker & rhs){
lat = rhs.lat;
lon = rhs.lon;
angle = rhs.angle;
tag = rhs.tag;
return *this;
}
};
class GeoPos : public View {
public:
enum alt_unit {
@ -112,6 +130,12 @@ private:
};
};
enum MapMarkerStored {
MARKER_NOT_STORED,
MARKER_STORED,
MARKER_LIST_FULL
};
class GeoMap : public Widget {
public:
std::function<void(float, float)> on_move { };
@ -133,20 +157,35 @@ public:
angle_ = new_angle;
}
static const int NumMarkerListElements = 30;
void clear_markers();
MapMarkerStored store_marker(GeoMarker & marker);
private:
void draw_bearing(const Point origin, const uint16_t angle, uint32_t size, const Color color);
void draw_marker(Painter& painter, const ui::Point itemPoint, const uint16_t itemAngle, const std::string itemTag,
const Color color = Color::red(), const Color fontColor = Color::white(), const Color backColor = Color::black() );
GeoMapMode mode_ { };
File map_file { };
uint16_t map_width { }, map_height { };
int32_t map_center_x { }, map_center_y { };
float lon_ratio { }, lat_ratio { };
double map_bottom { };
double map_world_lon { };
double map_offset { };
int32_t x_pos { }, y_pos { };
int32_t prev_x_pos { 0xFFFF }, prev_y_pos { 0xFFFF };
float lat_ { };
float lon_ { };
uint16_t angle_ { };
std::string tag_ { };
int markerListLen {0};
GeoMarker markerList[NumMarkerListElements];
bool markerListUpdated {false};
};
class GeoMapView : public View {
@ -181,6 +220,12 @@ public:
std::string title() const override { return "Map view"; };
void clear_markers();
MapMarkerStored store_marker(GeoMarker & marker);
void update_tag(const std::string tag);
private:
NavigationView& nav_;