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#include "screenshotendpoint.h"
#include "watchdatawriter.h"
#include "watchdatareader.h"
#include "pebble.h"
#include <QImage>
#include <QDateTime>
#include <QDir>
ScreenshotEndpoint::ScreenshotEndpoint(Pebble *pebble, WatchConnection *connection, QObject *parent):
QObject(parent),
m_pebble(pebble),
m_connection(connection)
{
m_connection->registerEndpointHandler(WatchConnection::EndpointScreenshot, this, "handleScreenshotData");
}
void ScreenshotEndpoint::requestScreenshot()
{
ScreenshotRequestPackage package;
m_connection->writeToPebble(WatchConnection::EndpointScreenshot, package.serialize());
}
void ScreenshotEndpoint::removeScreenshot(const QString &filename)
{
QFile f(filename);
if (f.exists() && f.remove()) {
emit screenshotRemoved(filename);
}
}
QStringList ScreenshotEndpoint::screenshots() const
{
QDir dir(m_pebble->storagePath() + "/screenshots/");
QStringList ret;
foreach (const QString &filename, dir.entryList(QDir::Files)) {
ret << m_pebble->storagePath() + "/screenshots/" + filename;
}
return ret;
}
void ScreenshotEndpoint::handleScreenshotData(const QByteArray &data)
{
WatchDataReader reader(data);
int offset = 0;
if (m_waitingForMore == 0) {
ResponseCode responseCode = (ResponseCode)reader.read<quint8>();
if (responseCode != ResponseCodeOK) {
qWarning() << "Error taking screenshot:" << responseCode;
return;
}
m_version = reader.read<quint32>();
m_width = reader.read<quint32>();
m_height = reader.read<quint32>();
switch (m_version) {
case 1:
m_waitingForMore = m_width * m_height / 8;
break;
case 2:
m_waitingForMore = m_width * m_height;
break;
default:
qWarning() << "Unsupported screenshot format version";
m_waitingForMore = m_width * m_height; // might work :)
}
offset = 13;
m_accumulatedData.clear();
}
QByteArray tmp = reader.readBytes(data.length() - offset);
m_waitingForMore -= tmp.length();
m_accumulatedData.append(tmp);
if (m_waitingForMore == 0) {
QByteArray output;
switch (m_version) {
case 1: {
int rowBytes = m_width / 8;
for (quint32 row = 0; row < m_height; row++) {
for (quint32 col = 0; col < m_width; col++) {
char pixel = (m_accumulatedData.at(row * rowBytes + col / 8) >> (col % 8)) & 1;
output.append(pixel * 255);
output.append(pixel * 255);
output.append(pixel * 255);
}
}
break;
}
case 2:
for (quint32 row = 0; row < m_height; row++) {
for (quint32 col = 0; col < m_width; col++) {
char pixel = m_accumulatedData.at(row * m_width + col);
output.append(((pixel >> 4) & 0b11) * 85);
output.append(((pixel >> 2) & 0b11) * 85);
output.append(((pixel >> 0) & 0b11) * 85);
}
}
break;
default:
qWarning() << "Invalid format.";
return;
}
QImage image = QImage((uchar*)output.data(), m_width, m_height, QImage::Format_RGB888);
QDir dir(m_pebble->storagePath() + "/screenshots/");
if (!dir.exists()) {
dir.mkpath(dir.absolutePath());
}
QString filename = dir.absolutePath() + "/" + QDateTime::currentDateTime().toString("yyyyMMddHHmmss") + ".jpg";
image.save(filename);
qDebug() << "Screenshot saved to" << filename;
emit screenshotAdded(filename);
}
}
QByteArray ScreenshotRequestPackage::serialize() const
{
QByteArray data;
WatchDataWriter writer(&data);
writer.write<quint8>(m_command);
return data;
}
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