xvWidgets
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An off-screen image representation native to the selected GUI. More...
#include <Image.hpp>
Public Member Functions | |
void | setImage (gui_image_t data) |
load data into the image container | |
gui_image_t | getImage () |
returns stored image data | |
gui_bitmap_t & | getBitmap () |
void | setBestSizeFit (int w, int h) |
Fits the image to a new size using black borders to mantain aspect ratio. | |
gui_point_t | Image::getPixelInterpolation (gui_point_t point) |
void | createBitmap (int w, int h) |
Makes the stored image ready for display. | |
Public Member Functions inherited from xv::Widget | |
virtual void | addChild (Widget &, bool readOnly=true) |
Add a child widget. | |
virtual void | onMouseDown (const gui_point_t &) |
The user clicked the left mouse button over the widget. | |
virtual void | onMouseMove (const gui_point_t &) |
The user moved the mouse pointer over the widget. | |
virtual void | onMouseUp (const gui_point_t &) |
The user released the left mouse button over the widget. | |
void | startDragging () |
Signal that the user started dragging the widget. | |
void | stopDragging () |
Signal that the user stopped dragging the widget. | |
bool | isDragging () |
Check if the user is dragging the widget. | |
virtual void | setMouseOver (bool mouseOver) |
Signal that the user placed the mouse pointer over the widget. | |
virtual bool | isMouseOver () |
Check if the mouse pointer is over the widget. | |
virtual bool | isReadOnly () |
Check if Widget is read-only. | |
virtual void | setPosition (gui_point_t position) |
Move the widget to a point in an image. | |
virtual gui_point_t | position () |
Get the current position. | |
bool | isMouseOverButton (gui_point_t mousePosition, gui_point_t buttonPosition) |
Check if the mouse pointer is over a button. | |
void | hide () |
Make it disappear from an Image. | |
Public Attributes | |
cv::Mat | m_cvMat |
to-do: refactor | |
cv::Mat | m_renderMat |
Static Public Attributes | |
static const cv::Scalar | PADDING_COLOR |
Additional Inherited Members | |
Protected Attributes inherited from xv::Widget | |
std::list< Widget * > | m_children |
Other widgets inside the widget. | |
Widget * | m_parent = NULL |
Pointer to the parent image used to display the widget. | |
std::vector< gui_point_t > | m_contour |
The contours of area occupied by the widget. | |
bool | m_dragging = false |
bool | m_canceling = false |
bool | m_accepting = false |
bool | m_mouseOver = false |
bool | m_undefined = false |
bool | m_positioned = false |
bool | m_readonly = false |
gui_point_t | m_position |
Static Protected Attributes inherited from xv::Widget | |
static const int | LINE_THICKNESS |
The thickness of contour lines. | |
static const int | MARGIN |
Generic margin around widget. | |
static const int | BUTTON_RADIUS |
Used to define the size of buttons. | |
static const gui_point_t | OK_POSITION |
Offset of the OK button in relation to the widget position. | |
static const gui_point_t | CANCEL_POSITION |
Offset of the Cancel button in relation to the widget position. | |
static const cv::Scalar | FOREGROUND_COLOR |
Color used to draw main components of widget. | |
static const cv::Scalar | HIGHLIGHT_COLOR |
Color used to draw a few important components of the widget. | |
static const cv::Scalar | AFFIRMATIVE_COLOR |
Color associated with OK/accept action. | |
static const cv::Scalar | NEGATIVE_COLOR |
Color associated with Cancel/reject action. | |
An off-screen image representation native to the selected GUI.
gui_point_t xv::Image::Image::getPixelInterpolation | ( | gui_point_t | point | ) |
Maps a pixel position in the original image to the transformed image, taking scale and padding into consideration
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the color used to pad the frame when the aspect ratio doesn't fit the container