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fixed flash glitch, added hue angle label

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Bob Polis 2020-10-30 23:53:15 +01:00
parent eefb2c06c6
commit a683985756
1 changed files with 13 additions and 1 deletions
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14
huey/Huey.cpp
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@ -8,6 +8,7 @@
#include "Huey.hpp"
#include <libscscreensaver.hpp>
#include <string>
class Huey : public ScreensaverPlugin {
public:
@ -45,9 +46,20 @@ void Huey::draw_frame() {
cairo_rectangle(_c, _r.x, _r.y, _r.width, _r.height);
cairo_fill(_c);
// show hue value
std::string hue_text {std::to_string(static_cast<int>(_hue))};
cairo_set_source_rgb(_c, 0, 0, 0);
cairo_select_font_face(_c, "Helvetica", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size(_c, 24);
cairo_move_to(_c, 30, 50);
cairo_show_text(_c, hue_text.c_str());
cairo_set_source_rgb(_c, 1, 1, 1);
cairo_move_to(_c, 29, 49);
cairo_show_text(_c, hue_text.c_str());
// update for next frame
_hue += 0.5;
if (_hue > 360.0) {
if (_hue >= 360.0) {
_hue -= 360.0;
}
}