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authorStanislaw Halik <sthalik@misaki.pl>2013-04-02 18:41:01 +0200
committerStanislaw Halik <sthalik@misaki.pl>2013-04-02 18:41:01 +0200
commit8303597a865400a363ae574ccde819302495f498 (patch)
treec83b383b3ec818f610cc6137f2b72ee7b4173b09 /ftnoir_tracker_ht/video_widget.cpp
parent8adf6b1650af6027f28db12ca2b4de92a3fac11d (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.cpp69
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();
+}