Introduction to the CSImageViewer

CSImageViewer classes

1. MainProgram2. CSImageViewer3. ImageData4. GrayImageData5. ColorImageData6. pnmHelper7. Timer

CSImageViewer classes

• MainProgram class– file: MainProgram.cs

– this class contains the Main() method

– do not use directly

CSImageViewer classes

• CSImageViewer class– file: CSImageViewer.cs

– instantiate this class to display an image

– refer to doxygen docs: http://www.sju.edu/~ggrevera/cscCV/CSImageViewer/CSImageViewer/CSImageViewer/html/class_c_s_image_viewer_1_1_c_s_image_viewer.html

CSImageViewer classes

• ImageData class– file: ImageData.cs

– class containing the actual pixel data values

– note that this class is abstract

– refer to doxygen docs: http://www.sju.edu/~ggrevera/cscCV/CSImageViewer/CSImageViewer/CSImageViewer/html/class_c_s_image_viewer_1_1_image_data.html

CSImageViewer classes

• GrayImageData class– file: GrayImageData.cs

– class containing the actual pixel data for a gray image (i.e., only one value per pixel)

– do not use directly

– refer to doxygen docs: http://www.sju.edu/~ggrevera/cscCV/CSImageViewer/CSImageViewer/CSImageViewer/html/class_c_s_image_viewer_1_1_gray_image_data.html

CSImageViewer classes

• ColorImageData class– file: ColorImageData.cs

– class containing the actual pixel data for a color image (i.e., 3 values per pixel - red, green, and blue (rgb))

– do not use directly

– refer to doxygen docs: http://www.sju.edu/~ggrevera/cscCV/CSImageViewer/CSImageViewer/CSImageViewer/html/class_c_s_image_viewer_1_1_color_image_data.html

CSImageViewer classes

• pnmHelper class– file: pnmHelper.cs

– this class contains methods that read and write PNM/PGM/PPM images (color rgb and grey images)

– do not use directly

– refer to doxygen docs: http://www.sju.edu/~ggrevera/cscCV/CSImageViewer/CSImageViewer/CSImageViewer/html/class_c_s_image_viewer_1_1pnm_helper.html

CSImageViewer classes

• Timer class– file: Timer.cs

– class containing timer (elapsed time) implementation

– You may use this class to time your implementation of various algorithms.

– refer to doxygen docs: http://www.sju.edu/~ggrevera/cscCV/CSImageViewer/CSImageViewer/CSImageViewer/html/class_c_s_image_viewer_1_1_timer.html

CSImageViewer classes• Timer class– Timer ()

• Timer class ctor.• Timer is started immediately.

– void reset ()• Reset/restart the time.• The timer continues to run.

– double getElapsedTime ()• Get the elapsed time (in seconds).• Note that this function does not start/stop/reset the timer. It

continues to run.– void report ()

• Report the elapsed time so far (using a modal dialog box).• While this dialog is up, the timer is paused and resumes when the

dialog is dismissed.

Summary of image data classes

• ImageData (abstract)– GrayImageData (don’t use directly)– ColorImageData (don’t use directly)

• pnmHelper (don’t use directly)

• So how do we use them to actually read in image data?

Summary of image data classes

• Homework:– See first CSImageViewer assignment.

Notes regarding VC# v10

• Change settings from Basic to Expert– Tools --> Settings --> Expert Settings

• Use Configuration Manager (Build --> Configuration Manager) to build either Release or Debug version.

• Enable console to display output messages.