From d2de64d51a56908f0eacac04eeef17b1008c8c45 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luis=20=C3=81ngel=20San=20Mart=C3=ADn?=
 <luisangelsm@gmail.com>
Date: Mon, 25 May 2015 17:38:27 +0200
Subject: [PATCH] fixed bug in flow_gl when a devicePixelRatio <> 1 was used

---
 common/gl/yacreader_flow_gl.cpp        | 17 ++++++++++-------
 common/gl_legacy/yacreader_flow_gl.cpp | 13 ++++++++-----
 2 files changed, 18 insertions(+), 12 deletions(-)

diff --git a/common/gl/yacreader_flow_gl.cpp b/common/gl/yacreader_flow_gl.cpp
index 6e80d1f7..c559f9af 100644
--- a/common/gl/yacreader_flow_gl.cpp
+++ b/common/gl/yacreader_flow_gl.cpp
@@ -368,12 +368,13 @@ void YACReaderFlowGL::resizeGL(int width, int height)
 
 void YACReaderFlowGL::udpatePerspective(int width, int height)
 {
-	glViewport(0, 0, width, height);
+    float pixelRatio = devicePixelRatio();
+    glViewport(0, 0, width*pixelRatio, height*pixelRatio);
 
 	glMatrixMode(GL_PROJECTION);
 	glLoadIdentity();
 
-	gluPerspective(20.0, GLdouble(width) / (float)height, 1.0, 200.0);
+    gluPerspective(20.0, GLdouble(width) / (float)height, 1.0, 200.0);
 
 	glMatrixMode(GL_MODELVIEW);
 }
@@ -384,7 +385,7 @@ void YACReaderFlowGL::calcPos(YACReader3DImage & image, int pos)
 {
 	if(pos == 0){
         image.current = centerPos;
-	}else{
+    }else{
 		if(pos > 0){
             image.current.x = (config.centerDistance)+(config.xDistance*pos);
             image.current.y = config.yDistance*pos*-1;
@@ -1101,8 +1102,9 @@ void YACReaderFlowGL::mousePressEvent(QMouseEvent *event)
 	if(event->button() == Qt::LeftButton)
 	{
 		float x,y;
-		x = event->x();
-		y = event->y();
+        float pixelRatio = devicePixelRatio();
+        x = event->x()*pixelRatio;
+        y = event->y()*pixelRatio;
 		GLint viewport[4];
 		GLdouble modelview[16];
 		GLdouble projection[16];
@@ -1139,8 +1141,9 @@ void YACReaderFlowGL::mouseDoubleClickEvent(QMouseEvent* event)
 {
     makeCurrent();
     float x,y;
-    x = event->x();
-    y = event->y();
+    float pixelRatio = devicePixelRatio();
+    x = event->x()*pixelRatio;
+    y = event->y()*pixelRatio;
     GLint viewport[4];
     GLdouble modelview[16];
     GLdouble projection[16];
diff --git a/common/gl_legacy/yacreader_flow_gl.cpp b/common/gl_legacy/yacreader_flow_gl.cpp
index 1aa27beb..5e02ecd2 100644
--- a/common/gl_legacy/yacreader_flow_gl.cpp
+++ b/common/gl_legacy/yacreader_flow_gl.cpp
@@ -339,7 +339,8 @@ void YACReaderFlowGL::resizeGL(int width, int height)
 
 void YACReaderFlowGL::udpatePerspective(int width, int height)
 {
-	glViewport(0, 0, width, height);
+    float pixelRatio = devicePixelRatio();
+    glViewport(0, 0, width*pixelRatio, height*pixelRatio);
 
 	glMatrixMode(GL_PROJECTION);
 	glLoadIdentity();
@@ -1078,8 +1079,9 @@ void YACReaderFlowGL::mousePressEvent(QMouseEvent *event)
 	if(event->button() == Qt::LeftButton)
 	{
 		float x,y;
-		x = event->x();
-		y = event->y();
+        float pixelRatio = devicePixelRatio();
+        x = event->x()*pixelRatio;
+        y = event->y()*pixelRatio;
 		GLint viewport[4];
 		GLdouble modelview[16];
 		GLdouble projection[16];
@@ -1113,8 +1115,9 @@ void YACReaderFlowGL::mousePressEvent(QMouseEvent *event)
 void YACReaderFlowGL::mouseDoubleClickEvent(QMouseEvent* event)
 {
 		float x,y;
-		x = event->x();
-		y = event->y();
+        float pixelRatio = devicePixelRatio();
+        x = event->x()*pixelRatio;
+        y = event->y()*pixelRatio;
 		GLint viewport[4];
 		GLdouble modelview[16];
 		GLdouble projection[16];