Camera Class Reference
#include <Camera.h>
List of all members.
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Public Member Functions |
| Camera () |
| ~Camera () |
void | apply (float aspectRatio) |
void | processWheelEvent (QWheelEvent *event) |
void | processMouseEvent (Qt::MouseButton button, bool pressed, int screenX, int screenY, int vX, int vY, int vWidth, int vHeight) |
void | processMotionEvent (int screenX, int screenY, int vX, int vY, int vWidth, int vHeight) |
void | reset () |
float | getTranslationX () |
float | getTranslationY () |
float | getZoom () |
void | setTranslationX (float value) |
void | setTranslationY (float value) |
void | setZoom (float value) |
void | setCameraToBoundaries (const float *boundaries) |
Private Attributes |
float | translationX |
float | translationY |
float | oldTranslationX |
float | oldTranslationY |
float | zoom |
float | oldZoom |
bool | rightButtonPressed |
bool | leftButtonPressed |
float | width |
float | height |
float | pressXRatio |
float | pressYRatio |
Static Private Attributes |
static log4cxx::LoggerPtr | logger |
Detailed Description
Orthogonal camera for the xy-plane
Constructor & Destructor Documentation
Constructs a new camera object
Destroys the camera object
Member Function Documentation
void Camera::apply |
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float |
aspectRatio |
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Applies the camera transformation and sets the projection aspectRatio Current aspect ratio of the window
float Camera::getTranslationX |
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Returns the camera translation in x direction
- Returns:
- camera translation in x direction
float Camera::getTranslationY |
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Returns the camera translation in y direction
- Returns:
- camera translation in y direction
float Camera::getZoom |
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Returns the zoom of the camera
- Returns:
- zoom of the camera
void Camera::processMotionEvent |
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int |
screenX, |
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int |
screenY, |
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int |
vX, |
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int |
vY, |
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int |
vWidth, |
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int |
vHeight | |
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Process the motion event
- Parameters:
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| screenX | X-Coordinate of the mouse on the screen |
| screenY | Y-Coordinate of the mouse on the screen |
| vX | X-Coordinate of the top-left corner of the viewport |
| vY | Y-Coordinate of the top-left corner of the viewport |
| vWidth | Width of the viewport |
| vHeight | Height of the viewport |
void Camera::processMouseEvent |
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Qt::MouseButton |
button, |
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bool |
pressed, |
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int |
screenX, |
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int |
screenY, |
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int |
vX, |
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int |
vY, |
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int |
vWidth, |
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int |
vHeight | |
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) |
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Process the mouse event
- Parameters:
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| button | Button which is pressed or released |
| pressed | Boolean value indicating whether the button is pressed or not |
| screenX | X-Coordinate of the mouse on the screen |
| screenY | Y-Coordinate of the mouse on the screen |
| vX | X-Coordinate of the top-left corner of the viewport |
| vY | Y-Coordinate of the top-left corner of the viewport |
| vWidth | Width of the viewport |
| vHeight | Height of the viewport |
void Camera::processWheelEvent |
( |
QWheelEvent * |
event |
) |
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Processes a wheel event from the mouse
- Parameters:
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Resets the camera transformations
void Camera::setCameraToBoundaries |
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const float * |
boundaries |
) |
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Sets the zoom and the translation of the camera corresponding to the boundaries of the picture
- Parameters:
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| boundaris | 4 element array with the boundaries of the picture following the order xMin, yMin, xMax, yMax |
void Camera::setTranslationX |
( |
float |
value |
) |
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Sets the translation in x direction of the camera value translation in x direction of the camera
void Camera::setTranslationY |
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float |
value |
) |
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Sets the translation in y direction of the camera value translation in y direction of the camera
void Camera::setZoom |
( |
float |
value |
) |
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Sets the zoom of the camera value zoom of the camera
Member Data Documentation
Determines if the left mouse button is pressed or not
Old Camera translation in x direction
Old Camera translation in y direction
Old Zoom factor of the camera
Ratio of screen in X-Direction
Ratio of screen in Y-Direction
Determines if the right mouse button is pressed or not
Camera translation in x direction
Camera translation in y direction
Zoom factor of the camera
The documentation for this class was generated from the following files:
- Hierarchical_Edge_Bundles/Hierarchical_Edge_Bundles/header/Camera.h
- Hierarchical_Edge_Bundles/Hierarchical_Edge_Bundles/src/Camera.cpp