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Added arrow tool

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This commit is contained in:
ArsenArsen 2017-06-29 16:28:26 +02:00
parent c983e4eb2a
commit e2999b4267
7 changed files with 356 additions and 95 deletions
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6
KShare.pro
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@ -62,7 +62,8 @@ SOURCES += main.cpp\
cropeditor/drawing/eraseritem.cpp \
cropeditor/drawing/rectitem.cpp \
cropeditor/drawing/ellipseitem.cpp \
hotkeyinputdialog.cpp
hotkeyinputdialog.cpp \
cropeditor/drawing/arrowitem.cpp
HEADERS += mainwindow.hpp \
cropeditor/cropeditor.hpp \
@ -103,7 +104,8 @@ HEADERS += mainwindow.hpp \
cropeditor/drawing/eraseritem.hpp \
cropeditor/drawing/rectitem.hpp \
cropeditor/drawing/ellipseitem.hpp \
hotkeyinputdialog.hpp
hotkeyinputdialog.hpp \
cropeditor/drawing/arrowitem.hpp
LIBS += -lavcodec -lavformat -lavutil -lswscale -lavutil

2
cropeditor/cropscene.cpp
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@ -7,6 +7,7 @@
#include <QGraphicsView>
#include <QMenu>
#include <QTimer>
#include <cropeditor/drawing/arrowitem.hpp>
#include <cropeditor/drawing/bluritem.hpp>
#include <cropeditor/drawing/dotitem.hpp>
#include <cropeditor/drawing/ellipseitem.hpp>
@ -36,6 +37,7 @@ CropScene::CropScene(QObject *parent, QPixmap *pixmap)
addDrawingAction(menu, "Text", [] { return new TextItem; });
addDrawingAction(menu, "Rectangle", [] { return new RectItem; });
addDrawingAction(menu, "Ellipse", [] { return new EllipseItem; });
addDrawingAction(menu, "Arrow", [] { return new ArrowItem; });
menu.addSeparator();
addDrawingAction(menu, "Eraser", [] { return new EraserItem; });

21
cropeditor/drawing/arrowitem.cpp Normal file
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@ -0,0 +1,21 @@
#include "arrowitem.hpp"
#include <QtMath>
#include <settings.hpp>
void ArrowItem::mouseDragEvent(QGraphicsSceneMouseEvent *e, CropScene *scene) {
if (init.isNull()) {
init = e->scenePos();
line = scene->addLine(QLineF(init, init), scene->pen());
QPainterPath poly;
qreal w = settings::settings().value("arrow/width", 20).toDouble() / 2;
qreal h = settings::settings().value("arrow/height", 10).toDouble();
poly.lineTo(QPoint(-w, h));
poly.lineTo(QPoint(0, 0));
poly.lineTo(QPoint(w, h));
head = scene->addPath(poly, scene->pen(), scene->brush());
} else {
line->setLine(QLineF(init, e->scenePos()));
head->setRotation(270 + qRadiansToDegrees(qAtan2((init.y() - e->scenePos().y()), (init.x() - e->scenePos().x()))));
}
head->setPos(e->scenePos());
}

24
cropeditor/drawing/arrowitem.hpp Normal file
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@ -0,0 +1,24 @@
#ifndef ARROWITEM_HPP
#define ARROWITEM_HPP
#include "drawitem.hpp"
class ArrowItem : public DrawItem {
public:
ArrowItem() {
}
QString name() override {
return "Arrow";
}
void mouseDragEvent(QGraphicsSceneMouseEvent *e, CropScene *scene) override;
void mouseDragEndEvent(QGraphicsSceneMouseEvent *, CropScene *) override {
}
private:
QGraphicsLineItem *line;
QGraphicsPathItem *head;
QPointF init;
};
#endif // ARROWITEM_HPP

5
cropeditor/settings/brushpenselection.cpp
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@ -26,6 +26,9 @@ BrushPenSelection::BrushPenSelection(CropScene *scene) : QDialog(), ui(new Ui::B
ui->brushStyle->setCurrentIndex(settings::settings().value("brushStyle", 1).toInt());
ui->pathItemHasBrush->setChecked(settings::settings().value("brushPath", false).toBool());
ui->arroww->setValue(settings::settings().value("arrow/width", 20).toDouble());
ui->arrowh->setValue(settings::settings().value("arrow/height", 10).toDouble());
this->setFocus();
pen = scene->pen().color();
ui->penAlphaSlider->setValue(pen.alpha());
@ -69,6 +72,8 @@ void BrushPenSelection::on_buttonBox_accepted() {
settings::settings().setValue("blur/animatedHint", ui->animated->isChecked());
settings::settings().setValue("blur/qualityHint", ui->quality->isChecked());
settings::settings().setValue("blur/performanceHint", ui->performance->isChecked());
settings::settings().setValue("arrow/width", ui->arroww->value());
settings::settings().setValue("arrow/height", ui->arrowh->value());
close();
}

222
cropeditor/settings/brushpenselection.ui
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@ -6,8 +6,8 @@
<rect>
<x>0</x>
<y>0</y>
<width>449</width>
<height>489</height>
<width>442</width>
<height>493</height>
</rect>
</property>
<property name="focusPolicy">
@ -84,12 +84,115 @@
</layout>
</widget>
</item>
<item row="1" column="0" rowspan="2">
<item row="5" column="0" colspan="2">
<widget class="QDialogButtonBox" name="buttonBox">
<property name="standardButtons">
<set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
</property>
<property name="centerButtons">
<bool>true</bool>
</property>
</widget>
</item>
<item row="0" column="1" rowspan="3">
<widget class="QGroupBox" name="groupBox_3">
<property name="title">
<string>Blur settings</string>
</property>
<layout class="QGridLayout" name="gridLayout_3">
<item row="3" column="0" colspan="3">
<widget class="QCheckBox" name="performance">
<property name="text">
<string>Performance Hint</string>
</property>
</widget>
</item>
<item row="2" column="0" colspan="2">
<widget class="QLabel" name="label_2">
<property name="whatsThis">
<string>http://doc.qt.io/qt-5/qgraphicsblureffect.html#BlurHint-enum</string>
</property>
<property name="text">
<string>&lt;a href=&quot;http://doc.qt.io/qt-5/qgraphicsblureffect.html#BlurHint-enum&quot;&gt;Blur Hints</string>
</property>
<property name="openExternalLinks">
<bool>true</bool>
</property>
<property name="textInteractionFlags">
<set>Qt::TextBrowserInteraction</set>
</property>
</widget>
</item>
<item row="1" column="2">
<widget class="QDoubleSpinBox" name="radSpinner">
<property name="suffix">
<string>px</string>
</property>
<property name="maximum">
<double>30.000000000000000</double>
</property>
</widget>
</item>
<item row="1" column="0" colspan="2">
<widget class="QSlider" name="radSlider">
<property name="maximum">
<number>3000</number>
</property>
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
</widget>
</item>
<item row="0" column="0" colspan="3">
<widget class="QLabel" name="label">
<property name="text">
<string>Blur Radius</string>
</property>
</widget>
</item>
<item row="4" column="0" colspan="3">
<widget class="QCheckBox" name="animated">
<property name="text">
<string>Animated Hint</string>
</property>
</widget>
</item>
<item row="5" column="0">
<widget class="QCheckBox" name="quality">
<property name="text">
<string>Quality Hint</string>
</property>
</widget>
</item>
<item row="6" column="0" colspan="3">
<spacer name="verticalSpacer">
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>20</width>
<height>40</height>
</size>
</property>
</spacer>
</item>
</layout>
</widget>
</item>
<item row="1" column="0" rowspan="4">
<widget class="QGroupBox" name="groupBox_2">
<property name="title">
<string>Brush settings</string>
</property>
<layout class="QGridLayout" name="gridLayout">
<item row="1" column="0">
<widget class="QLabel" name="label_4">
<property name="text">
<string>Brush alpha</string>
</property>
</widget>
</item>
<item row="3" column="0" colspan="2">
<widget class="QComboBox" name="brushStyle">
<item>
@ -169,10 +272,10 @@
</item>
</widget>
</item>
<item row="4" column="0" colspan="2">
<widget class="QCheckBox" name="pathItemHasBrush">
<item row="0" column="0" colspan="2">
<widget class="QPushButton" name="brushColor">
<property name="text">
<string>Path item has brush</string>
<string>Choose brush color</string>
</property>
</widget>
</item>
@ -193,113 +296,46 @@
</property>
</widget>
</item>
<item row="0" column="0" colspan="2">
<widget class="QPushButton" name="brushColor">
<item row="4" column="0" colspan="2">
<widget class="QCheckBox" name="pathItemHasBrush">
<property name="text">
<string>Choose brush color</string>
</property>
</widget>
</item>
<item row="1" column="0">
<widget class="QLabel" name="label_4">
<property name="text">
<string>Brush alpha</string>
<string>Path item has brush</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>
<item row="3" column="0" colspan="2">
<widget class="QDialogButtonBox" name="buttonBox">
<property name="standardButtons">
<set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
</property>
<property name="centerButtons">
<bool>true</bool>
</property>
</widget>
</item>
<item row="0" column="1" rowspan="3">
<widget class="QGroupBox" name="groupBox_3">
<item row="3" column="1" rowspan="2">
<widget class="QGroupBox" name="groupBox_4">
<property name="title">
<string>Blur settings</string>
</property>
<layout class="QGridLayout" name="gridLayout_3">
<item row="2" column="0" colspan="2">
<widget class="QLabel" name="label_2">
<property name="whatsThis">
<string>http://doc.qt.io/qt-5/qgraphicsblureffect.html#BlurHint-enum</string>
<string>Arrow settings</string>
</property>
<layout class="QGridLayout" name="gridLayout_5">
<item row="0" column="0" colspan="2">
<widget class="QLabel" name="label_6">
<property name="text">
<string>&lt;a href=&quot;http://doc.qt.io/qt-5/qgraphicsblureffect.html#BlurHint-enum&quot;&gt;Blur Hints</string>
</property>
<property name="openExternalLinks">
<bool>true</bool>
</property>
<property name="textInteractionFlags">
<set>Qt::TextBrowserInteraction</set>
<string>Arrow width and height</string>
</property>
</widget>
</item>
<item row="1" column="0" colspan="2">
<widget class="QSlider" name="radSlider">
<property name="maximum">
<number>3000</number>
<item row="1" column="0">
<widget class="QDoubleSpinBox" name="arroww">
<property name="prefix">
<string>w: </string>
</property>
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
</widget>
</item>
<item row="1" column="2">
<widget class="QDoubleSpinBox" name="radSpinner">
<property name="suffix">
<string>px</string>
</property>
<property name="maximum">
<double>30.000000000000000</double>
</property>
</widget>
</item>
<item row="3" column="0" colspan="3">
<widget class="QCheckBox" name="performance">
<property name="text">
<string>Performance Hint</string>
<item row="1" column="1">
<widget class="QDoubleSpinBox" name="arrowh">
<property name="prefix">
<string>h: </string>
</property>
</widget>
</item>
<item row="4" column="0" colspan="3">
<widget class="QCheckBox" name="animated">
<property name="text">
<string>Animated Hint</string>
</property>
</widget>
</item>
<item row="5" column="0" rowspan="2" colspan="3">
<widget class="QCheckBox" name="quality">
<property name="text">
<string>Quality Hint</string>
</property>
</widget>
</item>
<item row="7" column="0" colspan="3">
<spacer name="verticalSpacer">
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>20</width>
<height>40</height>
</size>
</property>
</spacer>
</item>
<item row="0" column="0" colspan="3">
<widget class="QLabel" name="label">
<property name="text">
<string>Blur Radius</string>
<property name="suffix">
<string>px</string>
</property>
</widget>
</item>

171
recording/encoders/encoder.cpp.orig Normal file
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@ -0,0 +1,171 @@
#include "encoder.hpp"
#include <settings.hpp>
extern "C" {
#include <libavutil/imgutils.h>
#include <libavutil/opt.h>
}
inline void throwAVErr(int ret, std::string section) {
char err[AV_ERROR_MAX_STRING_SIZE];
av_make_error_string(err, AV_ERROR_MAX_STRING_SIZE, ret);
std::string newString(err);
throw std::runtime_error("Error during: " + section + ": " + newString);
}
#define OR_DEF(s, e1, e2) s ? s->e1 : e2
Encoder::Encoder(QString &targetFile, QSize res, CodecSettings *settings) {
int ret;
// Format
ret = avformat_alloc_output_context2(&fc, NULL, NULL, targetFile.toLocal8Bit().constData());
if (ret < 0) throwAVErr(ret, "format alloc");
// Stream
out->st = avformat_new_stream(fc, NULL);
if (!out->st) throw std::runtime_error("Unable to allocate video context");
out->st->id = fc->nb_streams - 1;
if (fc->oformat->flags & AVFMT_GLOBALHEADER) fc->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
av_dump_format(fc, 0, targetFile.toLocal8Bit().constData(), 1);
// Codec
if (!fc->oformat->video_codec) throw std::runtime_error("Video codec not found");
codec = avcodec_find_encoder(fc->oformat->video_codec);
if (!codec) throw std::runtime_error("Video codec not found");
out->enc = avcodec_alloc_context3(codec);
if (!out->enc) throw std::runtime_error("Unable to allocate video context");
int fps = settings::settings().value("recording/framerate", 30).toInt();
out->enc->codec_id = codec->id;
out->enc->codec = codec;
out->enc->bit_rate = OR_DEF(settings, bitrate, 400000);
out->enc->width = res.width() % 2 ? res.width() - 1 : res.width();
out->enc->height = res.height() % 2 ? res.height() - 1 : res.height();
size = QSize(out->enc->width, out->enc->height);
out->st->time_base = { 1, fps };
out->enc->time_base = out->st->time_base;
out->enc->gop_size = OR_DEF(settings, gopSize, 12);
out->enc->pix_fmt = AV_PIX_FMT_YUV420P; // blaze it
AVDictionary *dict = NULL;
if (out->enc->codec_id == AV_CODEC_ID_GIF)
out->enc->pix_fmt = AV_PIX_FMT_RGB8;
else if (out->enc->codec_id == AV_CODEC_ID_H264 || out->enc->codec_id == AV_CODEC_ID_H265) {
av_dict_set(&dict, "preset", settings ? settings->h264Profile.toLocal8Bit().constData() : "medium", 0);
av_dict_set_int(&dict, "crf", OR_DEF(settings, h264Crf, 12), 0);
} else if (out->enc->codec_id == AV_CODEC_ID_VP8 || out->enc->codec_id == AV_CODEC_ID_VP9)
av_dict_set_int(&dict, "lossless", OR_DEF(settings, vp9Lossless, false), 0);
ret = avcodec_open2(out->enc, codec, &dict);
av_dict_free(&dict);
if (ret < 0) throwAVErr(ret, "codec open");
if (codec->capabilities & AV_CODEC_CAP_DR1) avcodec_align_dimensions(out->enc, &out->enc->width, &out->enc->height);
ret = avcodec_parameters_from_context(out->st->codecpar, out->enc);
if (ret < 0) throwAVErr(ret, "stream opt copy");
// Frames
out->frame = av_frame_alloc();
if (!out->frame) {
throw std::runtime_error("frame alloc");
}
out->frame->format = out->enc->pix_fmt;
out->frame->width = out->enc->width;
out->frame->height = out->enc->height;
ret = av_frame_get_buffer(out->frame, 32);
if (ret < 0) throwAVErr(ret, "frame buffer alloc");
// Writer
ret = avio_open(&fc->pb, targetFile.toLocal8Bit().constData(), AVIO_FLAG_WRITE);
if (ret < 0) throwAVErr(ret, "writer open");
ret = avformat_write_header(fc, NULL);
if (ret < 0) throwAVErr(ret, "write header");
success = true;
}
void Encoder::setFrameRGB(QImage img) {
uint8_t *rgb = (uint8_t *)img.bits();
int ret = av_frame_make_writable(out->frame);
if (ret < 0) throwAVErr(ret, "setFrameRGB");
int lineSize[1] = { img.bytesPerLine() };
out->sws = sws_getCachedContext(out->sws, out->enc->width, out->enc->height, AV_PIX_FMT_RGB24, out->enc->width,
out->enc->height, (AVPixelFormat)out->frame->format, 0, 0, 0, 0);
sws_scale(out->sws, (const uint8_t *const *)&rgb, lineSize, 0, out->enc->height, out->frame->data, out->frame->linesize);
out->frame->pts = out->nextPts++;
}
Encoder::~Encoder() {
end();
}
bool Encoder::addFrame(QImage frm) {
if (!success) return false;
if (frm.size() != size) frm = frm.copy(QRect(QPoint(0, 0), size));
if (frm.format() != QImage::Format_RGB888) frm = frm.convertToFormat(QImage::Format_RGB888);
setFrameRGB(frm);
AVPacket pkt;
pkt.size = 0;
pkt.data = NULL;
av_init_packet(&pkt);
int ret = avcodec_send_frame(out->enc, out->frame);
if (ret == AVERROR(EAGAIN)) {
do {
ret = avcodec_receive_packet(out->enc, &pkt);
if (ret < 0) {
if (ret != AVERROR(EAGAIN))
throwAVErr(ret, "receive packet");
else
break;
}
av_packet_rescale_ts(&pkt, out->enc->time_base, out->st->time_base);
pkt.stream_index = out->st->index;
ret = av_interleaved_write_frame(fc, &pkt);
} while (ret >= 0);
if (ret < 0 && ret != AVERROR(EAGAIN)) {
av_packet_unref(&pkt);
throwAVErr(ret, "send frame");
}
}
av_packet_unref(&pkt);
if (ret < 0 && ret != AVERROR(EAGAIN)) throwAVErr(ret, "send frame");
return true;
}
bool Encoder::isRunning() {
return success;
}
bool Encoder::end() {
if (ended) return false;
ended = true;
if (!success) {
goto cleanup;
}
avcodec_send_frame(out->enc, NULL);
int ret;
AVPacket pkt;
pkt.size = 0;
pkt.data = NULL;
av_init_packet(&pkt);
do {
ret = avcodec_receive_packet(out->enc, &pkt);
if (ret < 0) break;
av_packet_rescale_ts(&pkt, out->enc->time_base, out->st->time_base);
pkt.stream_index = out->st->index;
av_interleaved_write_frame(fc, &pkt);
} while (ret >= 0);
av_write_trailer(fc);
cleanup:
avcodec_free_context(&out->enc);
av_frame_free(&out->frame);
sws_freeContext(out->sws);
delete out;
if (!(fc->oformat->flags & AVFMT_NOFILE)) //
avio_closep(&fc->pb);
avformat_free_context(fc);
return success;
}