X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8da17c8609ea5f904b48cd60e92ab0725208cdcf..b640fa17f3359e2766232e5dae3922de28236bde:/utils/screenshotgen/src/autocapture.h diff --git a/utils/screenshotgen/src/autocapture.h b/utils/screenshotgen/src/autocapture.h index 3db8cbc8b9..36477c3a54 100644 --- a/utils/screenshotgen/src/autocapture.h +++ b/utils/screenshotgen/src/autocapture.h @@ -3,23 +3,29 @@ // Purpose: Defines the AutoCaptureMechanism class // Author: Utensil Candel (UtensilCandel@@gmail.com) // RCS-ID: $Id$ -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _AUTOCAPTURE_H_ #define _AUTOCAPTURE_H_ +#include "wx/beforestd.h" #include -#include "wx/filename.h" +#include "wx/afterstd.h" +#include "wx/gdicmn.h" + +class wxBitmap; +class wxFlexGridSizer; +class wxWindow; class wxNotebook; /** - GlobalAdjustFlags works with AutoCaptureMechanism's constructor, to disbale/enable - some auto-adjustment for all controls. + GlobalAdjustFlags works with AutoCaptureMechanism's constructor, to + configure auto-adjustments of all controls. - They are used to make AutoCaptureMechanism more configurable and provide a fallback - to detect the bugs that the adjustments intended to avoid. + They are used to make AutoCaptureMechanism more configurable and provide a + fallback to detect the bugs that the adjustments intended to avoid. @see AdjustFlags */ @@ -39,8 +45,8 @@ enum GlobalAdjustFlags /** Enable region adjustment for all controls. - If AJ_DisableRegionAdjust and AJ_AlwaysRegionAdjust are both specified, current - implemetation will ignore AJ_DisableRegionAdjust. + If AJ_DisableRegionAdjust and AJ_AlwaysRegionAdjust are both specified, + current implemetation will ignore AJ_DisableRegionAdjust. */ AJ_AlwaysRegionAdjust = 1 << 1, @@ -50,15 +56,16 @@ enum GlobalAdjustFlags AJ_DisableNameAdjust = 1 << 2, /** - For all the "Drop-down Controls", e.g. wxChoice, do not prompt the user about whether - to capture their drop-down state, and always capture only its non-drop-down state. + For all the "Drop-down Controls", e.g. wxChoice, do not prompt the user + about whether to capture their drop-down state, and always capture only + its non-drop-down state. */ AJ_DisableDropdown = 1 << 3 }; /** - AdjustFlags works with AutoCaptureMechanism::RegisterControl() to specify how to - adjust the screenshot of the current control. + AdjustFlags works with AutoCaptureMechanism::RegisterControl() to specify + how to adjust the screenshot of the current control. They are used to avoid bugs, look better or interact with user etc. @@ -74,40 +81,45 @@ enum AdjustFlags /** Perform region adjustment for this control. - On some platforms and for some controls, wxWindow::GetScreenRect() will return - a smaller or deflected region. In these cases, the screenshots we get are incomplete. - It's recommended for everyone to fix the controls' code, yet this flag provides a - workaround to get a guaranteed correct region without using wxWindow::GetScreenRect(). + On some platforms and for some controls, wxWindow::GetScreenRect() will + return a smaller or deflected region. In these cases, the screenshots + we get are incomplete. It's recommended for everyone to fix the + controls' code, yet this flag provides a workaround to get a guaranteed + correct region without using wxWindow::GetScreenRect(). - This workaround("label trick") is inspired by (or say stolen from) Auria's work. + This workaround ("label trick") is inspired by (or say stolen from) + Auria's work. */ AJ_RegionAdjust = 1 << 0, /** - This flag provides a way to capture the drop-down state of "Drop-down Controls", - e.g. wxChoice. + This flag provides a way to capture the drop-down state of "Drop-down + Controls", e.g. wxChoice. - For all the "Drop-down Controls", prompt the user about whether to capture their - drop-down state, if the user chooses YES, he should drop down the control in about - 3 seconds and wait util it's captured in that state. + For all the "Drop-down Controls", prompt the user about whether to + capture their drop-down state, if the user chooses YES, he should drop + down the control in about 3 seconds and wait util it's captured in that + state. */ AJ_Dropdown = 1 << 1, /** - This flag is used internally by RegisterPageTurn(). Don't use it directly unless you - know what you are doing. + This flag is used internally by RegisterPageTurn(). Don't use it + directly unless you know what you are doing. */ AJ_TurnPage = 1 << 2, /** - This flag provides a functionality to union screenshots of different modes/states of - a control into one image. e.g. the single-line/multi-line modes of a wxTextCtrl. + This flag provides a functionality to union screenshots of different + modes/states of a control into one image. e.g. the single-line / + multi-line modes of a wxTextCtrl. - For a series of controls to be unioned, you should specify AJ_Union for the first, - and AJ_UnionEnd for the last. For the controls between them, you can either specify - AJ_Union or not. + For a series of controls to be unioned, you should specify AJ_Union for + the first, and AJ_UnionEnd for the last. For the controls between them, + you can either specify AJ_Union or not. - The filename of the generated screenshot is the name of the first control in the series. + The filename of the generated screenshot is the name of the first + control in the series. */ AJ_Union = 1 << 3, @@ -120,76 +132,83 @@ enum AdjustFlags /** @class AutoCaptureMechanism - AutoCaptureMechanism provides an easy-to-use and adjustable facility to take the screenshots - for all controls fully automaticly and correctly. It also provides an advanced feature to - union screenshots of different states/modes of a control. + AutoCaptureMechanism provides an easy-to-use and adjustable facility to + take the screenshots for all controls fully automaticly and correctly. It + also provides an advanced feature to union screenshots of different + states/modes of a control. @section tag_filename_convention Screenshot File Name Convention - All screenshots are generated as PNG files. For a control named wxName, its screenshot file - name would be "name.png", e.g. "button.png" for wxButton. This is the protocol with the - doxygen document of wxWidgets. - - By default, screenshots are generated under the subdirectory "screenshots" of current working - directory. During updating or adding new screenshots, first make sure screenshots are generated - correctly, and then copy them to the following subdirectory of docs/doxygen/images: + All screenshots are generated as PNG files. For a control named wxName, its + screenshot file name would be "name.png", e.g. "button.png" for wxButton. + This is the protocol with the doxygen document of wxWidgets. - "wxmsw" for MS Windows, "wxgtk" for Linux and "wxmac" for Mac OS. + By default, screenshots are generated under the subdirectory "screenshots" + of current working directory. During updating or adding new screenshots, + first make sure screenshots are generated correctly, and then copy them to + the "docs/doxygen/images" folder directly. @section tag_gui_assumption The Assumption of GUI - Unfortunately, this class have an assumption about the structure of GUI: - It must have the follwoing top-down structure: + Unfortunately, this class have an assumption about the structure of GUI: It + must have the follwoing top-down structure: wxNotebook->wxPanel->wxSizer->wxControl - That means, in the wxNotebook associated with this class, controls that needs to be - taken screenshots are placed on different panels(for grouping) and layed out by wxSizers. + That means, in the wxNotebook associated with this class, controls that + needs to be taken screenshots are placed on different panels(for grouping) + and layed out by wxSizers. @section tag_tutorial Tutorial - In the contruction, you should associate a wxNotebook with this class, in that wxNotebook, - controls that needs to be captured are placed on different panels(for grouping). + In the contruction, you should associate a wxNotebook with this class, in + that wxNotebook, controls that needs to be captured are placed on different + panels(for grouping). - When you register controls, you should do it in order: Register the controls on the first - panel(using RegisterControl()), and then register a page turn(using RegisterPageTurn()), - so this class can turn a page of the wxNotebook to present the second page. And then - you register the controls on the second panel, then a page turn, and so on. + When you register controls, you should do it in order: Register the + controls on the first panel(using RegisterControl()), and then register a + page turn(using RegisterPageTurn()), so this class can turn a page of the + wxNotebook to present the second page. And then you register the controls + on the second panel, then a page turn, and so on. - When you are done, simply call CaptureAll(), then screenshots of all controls will be - automaticly generated. + When you are done, simply call CaptureAll(), then screenshots of all + controls will be automaticly generated. @section tag_autoadjust Make Use of Auto Adjustments - First take a look at the document of RegisterControl(), enum AdjustFlags and - GlobalAdjustFlags. + First take a look at the document of RegisterControl(), enum AdjustFlags + and GlobalAdjustFlags. - And then, ScreenshotFrame::OnCaptureAllControls() is a good example of making use of - auto adjustment. Taking a look at it will get you started. + And then, ScreenshotFrame::OnCaptureAllControls() is a good example of + making use of auto adjustment. Taking a look at it will get you started. @section tag_developer_note Notes for Developers @subsection tag_cnc CaptureAll() and Capture() - The implementation of Auto Adjustments is in CaptureAll() and Capture(), the code is - short, quite readable and well commented, please read the codes before any modification. + The implementation of Auto Adjustments is in CaptureAll() and Capture(), + the code is short, quite readable and well commented, please read the codes + before any modification. - If you need the class to do something sepcial for you, consider introducing a new flag - and implement it in them. For an operation performed on multiple controls, implemente - its logic in CaptureAll(), otherwise in the private member Capture(). + If you need the class to do something sepcial for you, consider introducing + a new flag and implement it in them. For an operation performed on multiple + controls, implemente its logic in CaptureAll(), otherwise in the private + member Capture(). @subsection tag_yield_issue wxYield Issues - Not quite a good habit, but this class made a lot of use of wxYield()/wxYieldIfNeeded(). - They are used to ensure the update of GUI(e.g. the page turn of wxNotebook) is done - before any further screenshot-taking, or to do the timing(in Delay()). Without their use, - there would be subtle bugs. - - I've read documents about wxYield() and understand the down side of it before using it. - But I didn't find a better approach to do those things, and I used them carefully. So - please DO NOT remove any of these wxYield()s unless you're sure that it won't cause problems - on all of MS Windows XP/Vista, Linux(Ubuntu/Fedora), Mac OS Tiger/Leopard. And please - help me to find a better approach, thank you :) + Not quite a good habit, but this class made a lot of use of wxYield() / + wxYieldIfNeeded(). They are used to ensure the update of GUI (e.g. the + page turn of wxNotebook) is done before any further screenshot-taking, or + to do the timing(in Delay()). Without their use, there would be subtle + bugs. + + I've read documents about wxYield() and understand the down side of it + before using it. But I didn't find a better approach to do those things, + and I used them carefully. So please DO NOT remove any of these wxYield()s + unless you're sure that it won't cause problems on all of MS Windows + XP/Vista, Linux(Ubuntu/Fedora), Mac OS Tiger/Leopard. And please help me + to find a better approach, thank you :) */ class AutoCaptureMechanism { @@ -198,47 +217,45 @@ public: Constructor. @param notebook - The wxNotebook associated with this class.Please see @ref tag_gui_assumption - and @ref tag_tutorial. - + The wxNotebook associated with this class. Please see + @ref tag_gui_assumption and @ref tag_tutorial. @param flag - It's one of or a combination of GlobalAdjustFlags, to disbale/enable some auto-adjustment - for all controls. - + It's one of or a combination of GlobalAdjustFlags, to disable / + enable some auto-adjustment for all controls. @param margin - It's the margin around every control in the sreenshots. + It's the margin around every control in the sreenshots. */ AutoCaptureMechanism(wxNotebook *notebook, int flag = AJ_NormalAll, - int margin = 5) - : m_notebook(notebook), m_flag(flag), - m_margin(margin), m_grid(NULL) {} + int margin = 5); - ~AutoCaptureMechanism(){} + ~AutoCaptureMechanism() { } /** Register a control and perform specifid auto adjustments. @param ctrl - The pointer to the control to be taken a screenshot. - + The pointer to the control to be taken a screenshot. @param name - If you find out that the screenshot for this control was generated under an incorrect - file name, specify @a name. e.g. for wxButton, "wxButton" or "button" are both OK. - + If you find out that the screenshot for this control was generated + under an incorrect file name, specify @a name. e.g. for wxButton, + "wxButton" or "button" are both OK. @param flag + If you end up with an a smaller or deflected screenshot, use + AJ_RegionAdjust. - If you end up with an a smaller or deflected screenshot, use AJ_RegionAdjust. - - If you want to caputure the "drop-down" state of a "drop-down" control, use AJ_Dropdown. + If you want to caputure the "drop-down" state of a "drop-down" + control, use AJ_Dropdown. - If you want to present different states of a control in one screenshot, use AJ_Union - and AJ_UnionEnd. + If you want to present different states of a control in one + screenshot, use AJ_Union and AJ_UnionEnd. - Please read the document of enum AdjustFlags, and notice that this flag could be enabled/ - disabled by global flag GlobalAdjustFlags. + Please read the document of enum AdjustFlags, and notice that this + flag could be enabled / disabled by global flag GlobalAdjustFlags. */ - void RegisterControl(wxWindow * ctrl, wxString name = _T(""), int flag = AJ_Normal) + void RegisterControl(wxWindow* ctrl, + wxString name = wxT(""), + int flag = AJ_Normal) { m_controlList.push_back(Control(ctrl, name, flag)); } @@ -246,24 +263,24 @@ public: /** Register a control and perform specifid auto adjustments. - This is the same as RegisterControl(wxWindow * ctrl, wxString name, int flag), - But with it, you won't have to specify the name if you only want to auto-adjust something - other than name adjustment. + This calls RegisterControl(wxWindow* ctrl, wxString name, int flag) + with an empty name. This is useful when you only want to auto-adjust + something other than name adjustment. */ - void RegisterControl(wxWindow * ctrl, int flag) + void RegisterControl(wxWindow* ctrl, int flag) { - RegisterControl(ctrl, _T(""), flag); + RegisterControl(ctrl, wxT(""), flag); } /** Register a page turn. - When you finished registering the controls on a panel, remember to call it to turn the - wxNotebook to the next panel. + When you finished registering the controls on a panel, remember to + call it to turn the wxNotebook to the next panel. */ void RegisterPageTurn() { - m_controlList.push_back(Control(0, _T(""), AJ_TurnPage)); + m_controlList.push_back(Control(0, wxT(""), AJ_TurnPage)); } /** @@ -277,31 +294,37 @@ public: /** Take a screenshot for the given region. - @param rect is the given rectangular region. - - @param delay is only useful for Mac, for fixing a delay bug. It seems that it didn't - fix the bug, so it might be removed soon. + @param bitmap + Bitmap to save the screenshot to. + @param rect + Given rectangular region. + @param delay + Only useful for Mac, for fixing a delay bug. It seems that it + didn't fix the bug, so it might be removed soon. */ - static wxBitmap Capture(wxRect rect, int delay = 0); + static bool Capture(wxBitmap* bitmap, wxRect rect, int delay = 0); /** Take a screenshot for the given region. - @see Capture(wxRect rect, int delay) + @see Capture(wxBitmap*,wxRect,int) */ - static wxBitmap Capture(int x, int y, int width, int height, int delay = 0); + static bool Capture(wxBitmap* bitmap, + int x, int y, int width, int height, + int delay = 0); /** - Save the screenshot as the name of @a fileName in the default directory. + Save the screenshot as the name of @a fileName in the default + directory. @a fileName should be without ".png". */ - static void Save(wxBitmap screenshot, wxString fileName); + static void Save(wxBitmap* screenshot, const wxString& fileName); /** Set the default directory where the screenshots will be generated. */ - static void SetDefaultDirectory(wxString dir) { default_dir = dir; } + static void SetDefaultDirectory(const wxString& dir) { default_dir = dir; } /** Get the default directory where the screenshots will be generated. @@ -309,7 +332,8 @@ public: static wxString GetDefaultDirectory() { return default_dir; } /** - Get the absolute path of the default directory where the screenshots will be generated. + Get the absolute path of the default directory where the screenshots + will be generated. */ static wxString GetDefaultDirectoryAbsPath(); @@ -337,25 +361,25 @@ private: /* Internal Functions - They are only used to clearify the logic of some public functions and it's nonsense - to call them elsewhere. + They are only used to clearify the logic of some public functions and + it's nonsense to call them elsewhere. */ /* Capture and auto adjust the control. Used by CaptureAll(). */ - wxBitmap Capture(Control & ctrl); + bool Capture(wxBitmap* bitmap, Control& ctrl); /* Get the correct rectangular region that the control occupies. Used by Capture(Control & ctrl). - If AJ_RegionAdjust is specified, it will use the "label trick" to perform - region auto adjustment. + If AJ_RegionAdjust is specified, it will use the "label trick" to + perform region auto adjustment. - The "label trick" is to reattach the control to a wxFlexGridSizer m_grid, - surround the control with labels and get the control's region by label's positions. - Just like this: + The "label trick" is to reattach the control to a wxFlexGridSizer + m_grid, surround the control with labels and get the control's region + by label's positions. Just like this: +---------+-----------+---------+ | 0 | label | 1 | @@ -365,10 +389,12 @@ private: | 2 | label | 3 | +---------+-----------+---------+ - So, there will be a side effect: the control is moved to a new position. So after taking the - screenshot, Capture(Control & ctrl) should call PutBack(wxWindow * ctrl) to put it back. + So, there will be a side effect: the control is moved to a new + position. So after taking the screenshot, Capture(Control & ctrl) + should call PutBack(wxWindow * ctrl) to put it back. - If AJ_RegionAdjust isn't specified, it will simply call wxWindow::GetScreenRect(). + If AJ_RegionAdjust isn't specified, it will simply call + wxWindow::GetScreenRect(). */ wxRect GetRect(wxWindow* ctrl, int flag); @@ -379,12 +405,12 @@ private: void PutBack(wxWindow * ctrl); /* - Union two screenshots in the vertical direction, and leave a gap between the - screenshots. Used by CaptureAll(). + Union two screenshots in the vertical direction, and leave a gap + between the screenshots. Used by CaptureAll(). The gap is 20 pixels by default. Currently it isn't configurable. */ - static wxBitmap Union(wxBitmap pic1, wxBitmap pic2); + static bool Union(wxBitmap* top, wxBitmap* bottom, wxBitmap* result); /* Delay a few seconds without blocking GUI. @@ -408,5 +434,3 @@ private: }; #endif // _AUTOCAPTURE_H_ - -