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Improve clipping of RSSI, baseband, audio bar graphs.

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This commit is contained in:
Jared Boone 2016-01-27 12:50:33 -08:00
parent 018b54c711
commit 6917a38106
3 changed files with 37 additions and 27 deletions
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17
firmware/application/ui_channel.cpp
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@ -23,6 +23,8 @@
#include "event_m0.hpp"
#include "utility.hpp"
#include <algorithm>
namespace ui {
@ -42,14 +44,15 @@ void Channel::on_hide() {
void Channel::paint(Painter& painter) {
const auto r = screen_rect();
const int32_t db_min = -r.width();
const int32_t x_0 = 0;
const int32_t x_max = std::max(x_0, max_db_ - db_min);
const int32_t x_lim = r.width();
constexpr int db_min = -96;
constexpr int db_max = 0;
constexpr int db_delta = db_max - db_min;
const range_t<int> x_max_range { 0, r.width() - 1 };
const auto x_max = x_max_range.clip((max_db_ - db_min) * r.width() / db_delta);
const Rect r0 {
static_cast<ui::Coord>(r.left() + x_0), r.top(),
static_cast<ui::Dim>(x_max - x_0), r.height()
static_cast<ui::Coord>(r.left()), r.top(),
static_cast<ui::Dim>(x_max), r.height()
};
painter.fill_rectangle(
r0,
@ -67,7 +70,7 @@ void Channel::paint(Painter& painter) {
const Rect r2 {
static_cast<ui::Coord>(r.left() + x_max + 1), r.top(),
static_cast<ui::Dim>(x_lim - (x_max + 1)), r.height()
static_cast<ui::Dim>(r.width() - (x_max + 1)), r.height()
};
painter.fill_rectangle(
r2,