0008-linuxfb-rotate.patch
3.59 KB
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diff --git a/src/plugins/platforms/linuxfb/qlinuxfbscreen.cpp b/src/plugins/platforms/linuxfb/qlinuxfbscreen.cpp
--- a/src/plugins/platforms/linuxfb/qlinuxfbscreen.cpp 2017-03-06 15:43:16.205457343 +0900
+++ b/src/plugins/platforms/linuxfb/qlinuxfbscreen.cpp 2017-03-06 13:38:20.857076470 +0900
@@ -280,7 +280,7 @@
}
QLinuxFbScreen::QLinuxFbScreen(const QStringList &args)
- : mArgs(args), mFbFd(-1), mTtyFd(-1), mBlitter(0)
+ : mArgs(args), mFbFd(-1), mTtyFd(-1), mBlitter(0), mRotation(0)
{
mMmap.data = 0;
}
@@ -306,6 +306,7 @@
QRegularExpression mmSizeRx(QLatin1String("mmsize=(\\d+)x(\\d+)"));
QRegularExpression sizeRx(QLatin1String("size=(\\d+)x(\\d+)"));
QRegularExpression offsetRx(QLatin1String("offset=(\\d+)x(\\d+)"));
+ QRegularExpression rotationRx(QLatin1String("rotation=(0|90|180|270)"));
QString fbDevice, ttyDevice;
QSize userMmSize;
@@ -327,6 +328,8 @@
ttyDevice = match.captured(1);
else if (arg.contains(fbRx, &match))
fbDevice = match.captured(1);
+ else if (arg.contains(rotationRx, &match))
+ mRotation = match.captured(1).toInt();
}
if (fbDevice.isEmpty()) {
@@ -365,9 +368,17 @@
mDepth = determineDepth(vinfo);
mBytesPerLine = finfo.line_length;
QRect geometry = determineGeometry(vinfo, userGeometry);
+ QRect originalGeometry = geometry;
+ if( mRotation == 90 || mRotation == 270 )
+ {
+ int tmp = geometry.width();
+ geometry.setWidth(geometry.height());
+ geometry.setHeight(tmp);
+ }
+
mGeometry = QRect(QPoint(0, 0), geometry.size());
mFormat = determineFormat(vinfo, mDepth);
- mPhysicalSize = determinePhysicalSize(vinfo, userMmSize, geometry.size());
+ mPhysicalSize = determinePhysicalSize(vinfo, userMmSize, originalGeometry.size());
// mmap the framebuffer
mMmap.size = finfo.smem_len;
@@ -377,11 +388,11 @@
return false;
}
- mMmap.offset = geometry.y() * mBytesPerLine + geometry.x() * mDepth / 8;
+ mMmap.offset = originalGeometry.y() * mBytesPerLine + originalGeometry.x() * mDepth / 8;
mMmap.data = data + mMmap.offset;
QFbScreen::initializeCompositor();
- mFbScreenImage = QImage(mMmap.data, geometry.width(), geometry.height(), mBytesPerLine, mFormat);
+ mFbScreenImage = QImage(mMmap.data, originalGeometry.width(), originalGeometry.height(), mBytesPerLine, mFormat);
mCursor = new QFbCursor(this);
@@ -409,8 +420,27 @@
mBlitter->setCompositionMode(QPainter::CompositionMode_Source);
for (int i = 0; i < rects.size(); ++i)
+ {
+ if( mRotation == 90 || mRotation == 270 )
+ {
+ mBlitter->translate(mGeometry.height()/2, mGeometry.width()/2);
+ }
+ else if( mRotation == 180 )
+ {
+ mBlitter->translate(mGeometry.width()/2, mGeometry.height()/2);
+ }
+
+ if( mRotation != 0 )
+ {
+ mBlitter->rotate(mRotation);
+ mBlitter->translate(-mGeometry.width()/2, -mGeometry.height()/2);
+ }
+
mBlitter->drawImage(rects[i], *mScreenImage, rects[i]);
+ mBlitter->resetTransform();
+ }
+
return touched;
}
diff --git a/src/plugins/platforms/linuxfb/qlinuxfbscreen.h b/src/plugins/platforms/linuxfb/qlinuxfbscreen.h
--- a/src/plugins/platforms/linuxfb/qlinuxfbscreen.h 2016-05-26 00:46:17.000000000 +0900
+++ b/src/plugins/platforms/linuxfb/qlinuxfbscreen.h 2017-03-06 13:38:20.857076470 +0900
@@ -58,6 +58,7 @@
QStringList mArgs;
int mFbFd;
int mTtyFd;
+ int mRotation;
QImage mFbScreenImage;
int mBytesPerLine;