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Graphic record GIF support

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Бычков Андрей
2022-06-23 18:12:06 +03:00
parent 9c17b39409
commit a4011eca4b
5 changed files with 908 additions and 9 deletions
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54
libs/graphic/graphic.cpp
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@@ -13,6 +13,7 @@
#include <QScrollArea>
#include <QTimer>
#include <QInputDialog>
#include "gif.h"
#if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 0))
# include <QRandomGenerator>
#endif
@@ -64,6 +65,7 @@ protected:
Graphic::Graphic(QWidget * parent): QFrame(parent), canvas(0), line_x_min(this), line_x_max(this), line_y_min(this), line_y_max(this) {
canvas_gl = 0;
timer_pause = timer_record = 0;
gesture_angle = 45.;
leg_update = true;
visible_update = fullscr = need_mouse_pan = m_fakeGL = false;
@@ -92,6 +94,7 @@ Graphic::Graphic(QWidget * parent): QFrame(parent), canvas(0), line_x_min(this),
ui->graphic_buttonConfigure,
ui->graphic_buttonSave,
ui->graphic_buttonExport,
ui->graphic_buttonRecord,
ui->graphic_buttonClear,
ui->graphic_buttonClose};
buttons_menu = new QMenu(this);
@@ -238,11 +241,18 @@ void Graphic::showEvent(QShowEvent *) {
}
void Graphic::timerEvent(QTimerEvent * ) {
pause_phase += 0.02;
if (pause_phase > 1.)
pause_phase -= 1.;
update();
void Graphic::timerEvent(QTimerEvent * e) {
if (e->timerId() == timer_pause) {
pause_phase += 0.02;
if (pause_phase > 1.)
pause_phase -= 1.;
update();
}
if (e->timerId() == timer_record) {
QPixmap im(canvas->size());
canvas->render(&im);
record_imgs << im.toImage();
}
}
@@ -788,6 +798,7 @@ void Graphic::setButtons(Graphic::Buttons b) {
ui->graphic_buttonExport->setVisible(b.testFlag(Export));
ui->graphic_buttonClose->setVisible(b.testFlag(Close));
ui->graphic_checkPause->setVisible(b.testFlag(Pause));
ui->graphic_buttonRecord->setVisible(b.testFlag(Record));
if (ui->graphic_buttonAutofit ->isVisible() || ui->graphic_checkGrid ->isVisible() || ui->graphic_checkGuides->isVisible() ||
ui->graphic_buttonConfigure->isVisible() || ui->graphic_buttonSave->isVisible() || ui->graphic_checkPause ->isVisible())
ui->verticalSpacer->changeSize(0, 30, QSizePolicy::Preferred, QSizePolicy::Preferred);
@@ -1913,6 +1924,39 @@ void Graphic::on_graphic_buttonExport_clicked() {
}
void Graphic::on_graphic_buttonRecord_clicked(bool checked) {
if (checked) {
record_imgs.clear();
timer_record = startTimer(100);
} else {
killTimer(timer_record);
timer_record = 0;
if (record_imgs.isEmpty()) return;
QString f = QFileDialog::getSaveFileName(this, tr("Save GIF"), ppath, "GIF(*.gif)");
if (!f.isEmpty()) {
GifWriter gif_writer;
int frame_delay = 10;
if (GifBegin(&gif_writer, f.toUtf8(), static_cast<uint32_t>(record_imgs.first().width()),
static_cast<uint32_t>(record_imgs.first().height()),
static_cast<uint32_t>(frame_delay))) {
for (const QImage & im : record_imgs) {
if (!GifWriteFrame(&gif_writer,
im.convertToFormat(QImage::Format_Indexed8).convertToFormat(QImage::Format_RGBA8888).constBits(),
static_cast<uint32_t>(im.width()),
static_cast<uint32_t>(im.height()),
static_cast<uint32_t>(frame_delay))) {
GifEnd(&gif_writer);
qDebug() << "GifWriteFrame ERROR";
}
}
GifEnd(&gif_writer);
}
}
record_imgs.clear();
}
}
void Graphic::on_graphic_checkGuides_toggled(bool checked) {
guides = checked;
setGuidesCursor();