diff options
author | Stanislaw Halik <sthalik@misaki.pl> | 2013-04-02 18:41:01 +0200 |
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committer | Stanislaw Halik <sthalik@misaki.pl> | 2013-04-02 18:41:01 +0200 |
commit | 8303597a865400a363ae574ccde819302495f498 (patch) | |
tree | c83b383b3ec818f610cc6137f2b72ee7b4173b09 /ftnoir_tracker_ht/video_widget.cpp | |
parent | 8adf6b1650af6027f28db12ca2b4de92a3fac11d (diff) |
Just put everything new in. Conflict resolution will be later
Diffstat (limited to 'ftnoir_tracker_ht/video_widget.cpp')
-rw-r--r-- | ftnoir_tracker_ht/video_widget.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/ftnoir_tracker_ht/video_widget.cpp b/ftnoir_tracker_ht/video_widget.cpp new file mode 100644 index 00000000..51d92967 --- /dev/null +++ b/ftnoir_tracker_ht/video_widget.cpp @@ -0,0 +1,69 @@ +/* Copyright (c) 2012 Patrick Ruoff + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + */ + +#include "video_widget.h" + +#include <QDebug> + +using namespace std; + +// ---------------------------------------------------------------------------- +void VideoWidget::initializeGL() +{ + glClearColor(0.0, 0.0, 0.0, 0.0); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); +} + +void VideoWidget::resizeGL(int w, int h) +{ + // setup 1 to 1 projection + glViewport(0, 0, w, h); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrtho(0, w, 0, h, -1, 1); + resize_frame(resized_qframe); + glDisable(GL_DEPTH_TEST); + glBegin(GL_QUADS); + glVertex2f(0,0); + glVertex2f(1,0); + glVertex2f(1,1); + glVertex2f(0,1); + glEnd(); +} + +void VideoWidget::paintGL() +{ + QMutexLocker lck(&mtx); + if (resized_qframe.size() == size() || (resized_qframe.width() <= width() && resized_qframe.height() <= height())) + { + glDrawPixels(resized_qframe.width(), resized_qframe.height(), GL_RGB, GL_UNSIGNED_BYTE, resized_qframe.bits()); + } + else + glClear(GL_DEPTH_BUFFER_BIT); + glFlush(); +} + +void VideoWidget::resize_frame(QImage& qframe) +{ + QMutexLocker lck(&mtx); + if (qframe.size() == size() || (qframe.width() <= width() && qframe.height() <= height())) + resized_qframe = qframe.copy(); + else + resized_qframe = qframe.scaled(size(), Qt::IgnoreAspectRatio, Qt::FastTransformation).copy(); +} + + +void VideoWidget::updateImage(unsigned char *frame, int width, int height) +{ + QImage foo = QImage(frame, width, height, 3 * width, QImage::Format_RGB888).rgbSwapped().mirrored(); + resize_frame(foo); +} + +void VideoWidget::update() { + updateGL(); +} |