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%%	options

copyright owner	=	Dirk Krause
copyright year	=	2012-xxxx
license		=	bsd

%%	header



/**	Application class for the wximgsz program.
*/
class DkWxImgszApp : public wxApp
{
  protected:
    /**	Application helper.
    */
    DkWxAppHelper	*pHelper;

    /**	Controller for online-help.
    */
    DkWxHelpController	*pHelpController;

  protected:

    /**	Show error message if there is not sufficient memory available.
    */
    void
    ShowMemoryErrorMessage(void);

  public:
    /**	Initialize application.
    	@return	True on success (can run), false on error (abort).
    */
    virtual bool	 OnInit();

    /**	Clean up after running.
    	@return	Exit status code.
    */
    virtual int		 OnExit();
};

DECLARE_APP(DkWxImgszApp)


%%	module


#include "wximgsz.h"



$!trace-include



IMPLEMENT_APP(DkWxImgszApp)



/**	Application group name.
*/
static dkChar const wximgsz_group_name[] = { dkT("dktools") };



/**	File name for string table.
*/
static dkChar const wximgsz_string_table_name[] = { dkT("wximgsz.str") };



/**	Help file name on Windows.
*/
static wxChar const wximgsz_chm_helpfile[] = {
  wxT("wximgsz.chm")
};



/**	Help file name for other platforms.
*/
static wxChar const wximgsz_htb_helpfile[] = {
  wxT("wximgsz.htb")
};



/**	Default texts to use if no localized texts are found.
*/
static wxChar const * const wximgsz_default_texts[] = {
$!string-table	macro=wxT
#
#   0	Program name.
#
wximgsz
#
#   1	Menu name: File
#
File
#
#   2	Menu item: File => Exit
#
Exit
#
#   3	Data grid column head: Width
#
Width
#
#   4	Data grid column head: Height
#
Height
#
#   5	Data grid column head: Factor
#
Factor
#
#   6	Label text: Original image
#
Original image
#
#   7	Label text: Results
#
Results
#
#   8	Label text: Width:
#
Width:
#
#   9	Label text: Height:
#
Height:
#
#  10	Label text: Intended change
#
Intended change
#
#  11	Label text: Action:
#
Action:
#
#  12	Choice: Decrease image
#
Decrease image
#
#  13	Choice: Width range
#
Width range
#
#  14	Choice: Height range
#
Height range
#
#  15	Label: Minimum:
#
Minimum:
#
#  16	Label: Maximum:
#
Maximum:
#
#  17	Button label: Run
#
>>>
#
#  18	Empty text for initial status
#

#
#  19	Tooltip: Exit the application
#
Exit the application
#
#  20	Tooltip: Specify original image width
#
Enter original image width (positive integer number).
#
#  21	Tooltip: Specify original image height
#
Enter original image height (positive integer number).
#
#  22	Tooltip: Choose type of modification
#
Choose modification action.
#
#  23	Tooltip: Specify intended minimum for image width or height
#
Inter intended minimum for image width or height (positive integer number).
#
#  24	Tooltip: Specify intended maximum for image width or height
#
Enter intended maximum for image width or height (positive integer number).
#
#  25	Tooltip: Calculate new image sizes
#
Calculate new image sizes.
#
#  26	Spaces to initialize text fields
#
        
#
#  27	Menu: Help
#
Help
#
#  28	Menu item: Contents
#
Contents
#
#  29	Menu item: About
#
About...
#
#  30	Menu tip: Open table of contents
#
Open table of contents
#
#  31	Menu tip: Show version number dialog box
#
Show version number dialog box
#
#  32	Error message title: Incorrect input
#
Incorrect input
#
#  33	Error message  text: Please enter a postivie integer number.
#
Please enter a positive integer number.
#
#  34	Status message: No results found!
#
No results found!
#
#  35
#
About wximgsz
#
#  36	Indicator for best quality
#
++
#
#  37	Indicator for good quality
#
+
#
#  38	Menu: Extras
#
Extras
#
#  39	Menu item: Options
#
Options
#
#  40	Tip: Set options
#
Set options
#
#  41	Dialog box title: Options
#
Options
#
#  42	Checkbox text: Choose background color by scale factor quality
#
Background colour for scale factor
#
#  43	Tooltip text: Indicate scale factor quality by background colour.
#
Indicate scale factor quality by background colour (otherwise in extra column).
#
#  44	Button: OK
#
OK
#
#  45	Button: Cancel
#
Cancel
#
#  46	Tool tip text: Apply settings and exit dialog.
#
Apply settings and exit dialog.
#
#  47	Tool tip text: Skip settings and exit dialog.
#
Skip settings and exit dialog.
#
#  48
#
Choose input bitmap image to open
#
#  49
#
Open	Alt-O
#
#  50
#
Retrieve dimensions from bitmap image file.
#
#  51
#
Failed to load image file!\nFile probably damaged or not a supported image type.
#
#  52
#
Failed to load image!
#
#  53
#
\n
#
#  54
#
This program uses libraries from the following projects:\n
#
#  55
#
See:\n
$!end
};



/**	Constant texts, not localized.
*/
static wxChar const * const wximgsz_nl_wx[] = {
$!string-table	macro=wxT
Error
Not enough memory (RAM)!
$!end
};



bool
DkWxImgszApp::OnInit()
{
  wxChar const * const	*lt		= NULL;		/* Localized texts. */
  DkWxImgszFrame	*frame		= NULL;
  wxZipFSHandler	*phZipFs	= NULL;
  bool			 back		= false;
  $!trace-init	wximgsz.deb

  /*	Initialize elements.
  */
  pHelper = NULL;
  pHelpController = NULL;

  /*	Get elements.
  */
  pHelper =
  new DkWxAppHelper(argv[0], wximgsz_default_texts[0], wximgsz_group_name);
  if (NULL == pHelper) {
    ShowMemoryErrorMessage();
    goto finished;
  }
  if (!(pHelper->checkSetup())) {
    goto finished;
  }
  lt =
  pHelper->getStringTable(wximgsz_default_texts, wximgsz_string_table_name);
  if (NULL == lt) {
    ShowMemoryErrorMessage();
    goto finished;
  }

  /*	Add image and zip fs handler.
  */
  wxInitAllImageHandlers();
  phZipFs = new wxZipFSHandler();
  if (NULL != phZipFs) {
    wxFileSystem::AddHandler(phZipFs);
  } else {
    ShowMemoryErrorMessage();
    goto finished;
  }

  /*	Get help controller
  */
  pHelpController =
  new DkWxHelpController(pHelper, wximgsz_chm_helpfile, wximgsz_htb_helpfile);
  if (NULL == pHelpController) {
    ShowMemoryErrorMessage();
    goto finished;
  }

  /*	Create frame.
  */
  frame = new DkWxImgszFrame(
    wximgsz_default_texts[0], lt, pHelper, pHelpController,
    DkWxImgsz_MainWindow, argc, argv
  );
  if (NULL == frame) {
    ShowMemoryErrorMessage();
    goto finished;
  }

  /*	Show frame and indicate success.
  */
  frame->Show();
  frame->restorePosition();
  back = true;

  finished:
  if (!(back)) {
    if (NULL != pHelpController) {
      delete(pHelpController);
      pHelpController = NULL;
    }
    if (NULL != pHelper) {
      delete(pHelper);
      pHelper = NULL;
    }
  }
  return back;
}



int
DkWxImgszApp::OnExit()
{
  int		back = 0;
  if(pHelpController) {
    delete(pHelpController); pHelpController = NULL;
  }
  if(pHelper) {
    delete(pHelper); pHelper = NULL;
  }
  $!trace-end
  return back;
}



void
DkWxImgszApp::ShowMemoryErrorMessage(void)
{
  const wxChar	*s_title	= NULL;
  const wxChar	*s_text		= NULL;

  if (NULL != pHelper) {
    s_title = pHelper->getBasicString(3);
    s_text  = pHelper->getBasicString(9);
  }
  if (NULL == s_title) {
    s_title = wximgsz_nl_wx[0];
  }
  if (NULL == s_text) {
    s_text  = wximgsz_nl_wx[1];
  }
  wxMessageBox(s_text, s_title, (wxOK | wxCENTRE | wxICON_ERROR));
}