diff options
Diffstat (limited to 'winrt/mupdf_cpp/MainPage.xaml.cpp')
| -rw-r--r-- | winrt/mupdf_cpp/MainPage.xaml.cpp | 1954 |
1 files changed, 978 insertions, 976 deletions
diff --git a/winrt/mupdf_cpp/MainPage.xaml.cpp b/winrt/mupdf_cpp/MainPage.xaml.cpp index a4ceb070..76c0ecf3 100644 --- a/winrt/mupdf_cpp/MainPage.xaml.cpp +++ b/winrt/mupdf_cpp/MainPage.xaml.cpp @@ -47,23 +47,23 @@ unsigned int _mainThreadId = 0U; extern "C" { #endif - // The IsMainThread function returns true if the current thread is the app's main thread and false otherwise. - bool IsMainThread() - { - return (_mainThreadId == GetCurrentThreadId()); - } - - // The IsBackgroundThread function returns false if the current thread is the app's main thread and true otherwise. - bool IsBackgroundThread() - { - return (_mainThreadId != GetCurrentThreadId()); - } - - // The RecordMainThread function registers the main thread ID for use by the IsMainThread and IsBackgroundThread functions. - void RecordMainThread() - { - _mainThreadId = GetCurrentThreadId(); - } + // The IsMainThread function returns true if the current thread is the app's main thread and false otherwise. + bool IsMainThread() + { + return (_mainThreadId == GetCurrentThreadId()); + } + + // The IsBackgroundThread function returns false if the current thread is the app's main thread and true otherwise. + bool IsBackgroundThread() + { + return (_mainThreadId != GetCurrentThreadId()); + } + + // The RecordMainThread function registers the main thread ID for use by the IsMainThread and IsBackgroundThread functions. + void RecordMainThread() + { + _mainThreadId = GetCurrentThreadId(); + } #ifdef __cplusplus } @@ -74,16 +74,16 @@ extern "C" { MainPage::MainPage() { InitializeComponent(); - m_textcolor="#402572AC"; - m_linkcolor="#40AC7225"; - mu_doc = nullptr; - m_docPages = ref new Platform::Collections::Vector<DocumentPage^>(); - m_thumbnails = ref new Platform::Collections::Vector<DocumentPage^>(); - m_page_link_list = ref new Platform::Collections::Vector<IVector<RectList^>^>(); - m_text_list = ref new Platform::Collections::Vector<RectList^>(); - m_linkset = ref new Platform::Collections::Vector<int>(); - CleanUp(); - RecordMainThread(); + m_textcolor="#402572AC"; + m_linkcolor="#40AC7225"; + mu_doc = nullptr; + m_docPages = ref new Platform::Collections::Vector<DocumentPage^>(); + m_thumbnails = ref new Platform::Collections::Vector<DocumentPage^>(); + m_page_link_list = ref new Platform::Collections::Vector<IVector<RectList^>^>(); + m_text_list = ref new Platform::Collections::Vector<RectList^>(); + m_linkset = ref new Platform::Collections::Vector<int>(); + CleanUp(); + RecordMainThread(); } /// <summary> @@ -108,68 +108,68 @@ void mupdf_cpp::MainPage::OKInvokedHandler(Windows::UI::Popups::IUICommand^ comm void mupdf_cpp::MainPage::NotifyUser(String^ strMessage, NotifyType_t type) { - MessageDialog^ msg = ref new MessageDialog(strMessage); - UICommand^ ExitCommand = nullptr; - UICommand^ OKCommand = nullptr; - - switch (type) - { - case StatusMessage: - OKCommand = ref new UICommand("OK", - ref new UICommandInvokedHandler(this, &mupdf_cpp::MainPage::OKInvokedHandler)); - msg->Commands->Append(OKCommand); - /// Set the command that will be invoked by default - msg->DefaultCommandIndex = 0; - // Set the command to be invoked when escape is pressed - msg->CancelCommandIndex = 1; - break; - case ErrorMessage: - ExitCommand = ref new UICommand("Exit", - ref new UICommandInvokedHandler(this, &mupdf_cpp::MainPage::ExitInvokedHandler)); - msg->Commands->Append(ExitCommand); - /// Set the command that will be invoked by default - msg->DefaultCommandIndex = 0; - // Set the command to be invoked when escape is pressed - msg->CancelCommandIndex = 1; - break; - default: - break; - } - // Show the message dialog - msg->ShowAsync(); + MessageDialog^ msg = ref new MessageDialog(strMessage); + UICommand^ ExitCommand = nullptr; + UICommand^ OKCommand = nullptr; + + switch (type) + { + case StatusMessage: + OKCommand = ref new UICommand("OK", + ref new UICommandInvokedHandler(this, &mupdf_cpp::MainPage::OKInvokedHandler)); + msg->Commands->Append(OKCommand); + /// Set the command that will be invoked by default + msg->DefaultCommandIndex = 0; + // Set the command to be invoked when escape is pressed + msg->CancelCommandIndex = 1; + break; + case ErrorMessage: + ExitCommand = ref new UICommand("Exit", + ref new UICommandInvokedHandler(this, &mupdf_cpp::MainPage::ExitInvokedHandler)); + msg->Commands->Append(ExitCommand); + /// Set the command that will be invoked by default + msg->DefaultCommandIndex = 0; + // Set the command to be invoked when escape is pressed + msg->CancelCommandIndex = 1; + break; + default: + break; + } + // Show the message dialog + msg->ShowAsync(); } bool mupdf_cpp::MainPage::EnsureUnsnapped() { - // FilePicker APIs will not work if the application is in a snapped state. - // If an app wants to show a FilePicker while snapped, it must attempt to unsnap first - - bool unsnapped = (ApplicationView::Value != ApplicationViewState::Snapped || - ApplicationView::TryUnsnap()); - if (!unsnapped) - { - NotifyUser("Cannot unsnap the application", StatusMessage); - } - return unsnapped; + // FilePicker APIs will not work if the application is in a snapped state. + // If an app wants to show a FilePicker while snapped, it must attempt to unsnap first + + bool unsnapped = (ApplicationView::Value != ApplicationViewState::Snapped || + ApplicationView::TryUnsnap()); + if (!unsnapped) + { + NotifyUser("Cannot unsnap the application", StatusMessage); + } + return unsnapped; } void mupdf_cpp::MainPage::Picker(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e) { - if (!EnsureUnsnapped()) - return; + if (!EnsureUnsnapped()) + return; - FileOpenPicker^ openPicker = ref new FileOpenPicker(); + FileOpenPicker^ openPicker = ref new FileOpenPicker(); openPicker->ViewMode = PickerViewMode::List; openPicker->SuggestedStartLocation = PickerLocationId::PicturesLibrary; - openPicker->FileTypeFilter->Append(".pdf"); - openPicker->FileTypeFilter->Append(".xps"); - openPicker->FileTypeFilter->Append(".oxps"); + openPicker->FileTypeFilter->Append(".pdf"); + openPicker->FileTypeFilter->Append(".xps"); + openPicker->FileTypeFilter->Append(".oxps"); create_task(openPicker->PickSingleFileAsync()).then([this](StorageFile^ file) { if (file) { - this->OpenDocumentPrep(file); + this->OpenDocumentPrep(file); } else { @@ -180,689 +180,691 @@ void mupdf_cpp::MainPage::Picker(Platform::Object^ sender, Windows::UI::Xaml::Ro /* Set the page with the new raster information */ void MainPage::UpdatePage(int page_num, InMemoryRandomAccessStream^ ras, - Point ras_size, Page_Content_t content_type) + Point ras_size, Page_Content_t content_type) { - assert(IsMainThread()); - - WriteableBitmap ^bmp = ref new WriteableBitmap(ras_size.X, ras_size.Y); - bmp->SetSource(ras); - - DocumentPage^ doc_page = ref new DocumentPage(); - doc_page->Image = bmp; - - if (content_type == THUMBNAIL) - { - doc_page->Height = ras_size.Y / SCALE_THUMB; - doc_page->Width = ras_size.X / SCALE_THUMB; - } - else - { - doc_page->Height = ras_size.Y; - doc_page->Width = ras_size.X; - } - doc_page->Content = content_type; - - /* We do not want flipview change notification to occur for ourselves */ - m_page_update = true; - this->m_docPages->SetAt(page_num, doc_page); - m_page_update = false; + assert(IsMainThread()); + + WriteableBitmap ^bmp = ref new WriteableBitmap(ras_size.X, ras_size.Y); + bmp->SetSource(ras); + + DocumentPage^ doc_page = ref new DocumentPage(); + doc_page->Image = bmp; + + if (content_type == THUMBNAIL) + { + doc_page->Height = ras_size.Y / SCALE_THUMB; + doc_page->Width = ras_size.X / SCALE_THUMB; + } + else + { + doc_page->Height = ras_size.Y; + doc_page->Width = ras_size.X; + } + doc_page->Content = content_type; + + /* We do not want flipview change notification to occur for ourselves */ + m_page_update = true; + this->m_docPages->SetAt(page_num, doc_page); + m_page_update = false; } /* Set the page with the new raster information but only the image data */ void MainPage::ReplaceImage(int page_num, InMemoryRandomAccessStream^ ras, - Point ras_size) + Point ras_size) { - assert(IsMainThread()); + assert(IsMainThread()); - WriteableBitmap ^bmp = ref new WriteableBitmap(ras_size.X, ras_size.Y); - bmp->SetSource(ras); + WriteableBitmap ^bmp = ref new WriteableBitmap(ras_size.X, ras_size.Y); + bmp->SetSource(ras); - DocumentPage^ doc_page = this->m_docPages->GetAt(page_num); - doc_page->Image = bmp; + DocumentPage^ doc_page = this->m_docPages->GetAt(page_num); + doc_page->Image = bmp; - doc_page->Height = ras_size.Y; - doc_page->Width = ras_size.X; + doc_page->Height = ras_size.Y; + doc_page->Width = ras_size.X; } Point MainPage::ComputePageSize(spatial_info_t spatial_info, int page_num) { - Point screenSize; - Point pageSize; - Point size = mu_doc->GetPageSize(page_num); + Point screenSize; + Point pageSize; + Point size = mu_doc->GetPageSize(page_num); - screenSize = spatial_info.size; + screenSize = spatial_info.size; screenSize.Y *= screenScale; screenSize.X *= screenScale; float hscale = screenSize.X / size.X; float vscale = screenSize.Y / size.Y; float scale = min(hscale, vscale); - pageSize.X = size.X * scale * spatial_info.scale_factor; - pageSize.Y = size.Y * scale * spatial_info.scale_factor; + pageSize.X = size.X * scale * spatial_info.scale_factor; + pageSize.Y = size.Y * scale * spatial_info.scale_factor; - return pageSize; + return pageSize; } static Point fitPageToScreen(Point page, Point screen) { - Point pageSize; + Point pageSize; float hscale = screen.X / page.X; float vscale = screen.Y / page.Y; float scale = min(hscale, vscale); - pageSize.X = floorf(page.X * scale) / page.X; + pageSize.X = floorf(page.X * scale) / page.X; pageSize.Y = floorf(page.Y * scale) / page.Y; + return pageSize; } spatial_info_t MainPage::InitSpatial(double scale) { - spatial_info_t value; + spatial_info_t value; - value.size.Y = this->ActualHeight; - value.size.X = this->ActualWidth; - value.scale_factor = scale; - return value; + value.size.Y = this->ActualHeight; + value.size.X = this->ActualWidth; + value.scale_factor = scale; + + return value; } void Prepare_bmp(int width, int height, DataWriter ^dw) { - int row_size = width * 4; - int bmp_size = row_size * height + 54; - - dw->WriteString("BM"); - dw->ByteOrder = ByteOrder::LittleEndian; - dw->WriteInt32(bmp_size); - dw->WriteInt16(0); - dw->WriteInt16(0); - dw->WriteInt32(54); - dw->WriteInt32(40); - dw->WriteInt32(width); - dw->WriteInt32(height); - dw->WriteInt16(1); - dw->WriteInt16(32); - dw->WriteInt32(0); - dw->WriteInt32(row_size * height); - dw->WriteInt32(2835); - dw->WriteInt32(2835); - dw->WriteInt32(0); - dw->WriteInt32(0); + int row_size = width * 4; + int bmp_size = row_size * height + 54; + + dw->WriteString("BM"); + dw->ByteOrder = ByteOrder::LittleEndian; + dw->WriteInt32(bmp_size); + dw->WriteInt16(0); + dw->WriteInt16(0); + dw->WriteInt32(54); + dw->WriteInt32(40); + dw->WriteInt32(width); + dw->WriteInt32(height); + dw->WriteInt16(1); + dw->WriteInt16(32); + dw->WriteInt32(0); + dw->WriteInt32(row_size * height); + dw->WriteInt32(2835); + dw->WriteInt32(2835); + dw->WriteInt32(0); + dw->WriteInt32(0); } void MainPage::ReleasePages(int old_page, int new_page) { - if (old_page == new_page) return; - /* To keep from having memory issue reset the page back to - the thumb if we are done rendering the thumbnails */ - for (int k = old_page - LOOK_AHEAD; k <= old_page + LOOK_AHEAD; k++) - { - if (k < new_page - LOOK_AHEAD || k > new_page + LOOK_AHEAD) - { - if (k >= 0 && k < this->m_num_pages) - { - SetThumb(k, true); - } - } - } + if (old_page == new_page) return; + /* To keep from having memory issue reset the page back to + the thumb if we are done rendering the thumbnails */ + for (int k = old_page - LOOK_AHEAD; k <= old_page + LOOK_AHEAD; k++) + { + if (k < new_page - LOOK_AHEAD || k > new_page + LOOK_AHEAD) + { + if (k >= 0 && k < this->m_num_pages) + { + SetThumb(k, true); + } + } + } } -/* Return this page from a full res image to the thumb image or only set to thumb - if it has not already been set */ +/* Return this page from a full res image to the thumb image or only set + to thumb if it has not already been set */ void MainPage::SetThumb(int page_num, bool replace) { - /* See what is there now */ - auto doc = this->m_docPages->GetAt(page_num); - if (doc->Content == THUMBNAIL) return; - if (doc->Content == FULL_RESOLUTION && replace == false) return; - - if (this->m_thumbnails->Size > page_num) - { - m_page_update = true; - this->m_docPages->SetAt(page_num, this->m_thumbnails->GetAt(page_num)); - m_page_update = false; - } + /* See what is there now */ + auto doc = this->m_docPages->GetAt(page_num); + if (doc->Content == THUMBNAIL) return; + if (doc->Content == FULL_RESOLUTION && replace == false) return; + + if (this->m_thumbnails->Size > page_num) + { + m_page_update = true; + this->m_docPages->SetAt(page_num, this->m_thumbnails->GetAt(page_num)); + m_page_update = false; + } } /* Create white image for us to use as place holder in large document for flip view filling instead of the thumbnail image */ void MainPage::CreateBlank(int width, int height) { - Array<unsigned char>^ bmp_data = ref new Array<unsigned char>(height * 4 * width); - /* Set up the memory stream */ - WriteableBitmap ^bmp = ref new WriteableBitmap(width, height); - InMemoryRandomAccessStream ^ras = ref new InMemoryRandomAccessStream(); - DataWriter ^dw = ref new DataWriter(ras->GetOutputStreamAt(0)); - /* Go ahead and write our header data into the memory stream */ - Prepare_bmp(width, height, dw); - - /* Set the data to all white */ - memset(bmp_data->Data, 255, height * 4 * width); - - /* Write the data */ - dw->WriteBytes(bmp_data); - - DataWriterStoreOperation^ result = dw->StoreAsync(); - /* Block on the Async call */ - while(result->Status != AsyncStatus::Completed) { - } - /* And store in a the image brush */ - bmp->SetSource(ras); - m_BlankBmp = bmp; + Array<unsigned char>^ bmp_data = ref new Array<unsigned char>(height * 4 * width); + /* Set up the memory stream */ + WriteableBitmap ^bmp = ref new WriteableBitmap(width, height); + InMemoryRandomAccessStream ^ras = ref new InMemoryRandomAccessStream(); + DataWriter ^dw = ref new DataWriter(ras->GetOutputStreamAt(0)); + /* Go ahead and write our header data into the memory stream */ + Prepare_bmp(width, height, dw); + + /* Set the data to all white */ + memset(bmp_data->Data, 255, height * 4 * width); + + /* Write the data */ + dw->WriteBytes(bmp_data); + + DataWriterStoreOperation^ result = dw->StoreAsync(); + /* Block on the Async call */ + while(result->Status != AsyncStatus::Completed) { + } + /* And store in a the image brush */ + bmp->SetSource(ras); + m_BlankBmp = bmp; } void mupdf_cpp::MainPage::SetFlipView() { - int height = this->ActualHeight; - int width = this->ActualWidth; - - CreateBlank(BLANK_WIDTH, BLANK_HEIGHT); - /* Set the current flip view mode */ - if (height > width) - this->m_curr_flipView = xaml_vert_flipView; - else - this->m_curr_flipView = xaml_horiz_flipView; + int height = this->ActualHeight; + int width = this->ActualWidth; + + CreateBlank(BLANK_WIDTH, BLANK_HEIGHT); + /* Set the current flip view mode */ + if (height > width) + this->m_curr_flipView = xaml_vert_flipView; + else + this->m_curr_flipView = xaml_horiz_flipView; } /* Clean up everything as we are opening a new document after having another one open */ void mupdf_cpp::MainPage::CleanUp() { - /* Remove current pages in the flipviews */ - if (m_docPages != nullptr && m_docPages->Size > 0) - m_docPages->Clear(); - if (m_thumbnails != nullptr && m_thumbnails->Size > 0) - m_thumbnails->Clear(); - /* With the ref counting this should not leak */ - if (m_page_link_list != nullptr && m_page_link_list->Size > 0) - m_page_link_list->Clear(); - if (m_text_list->Size > 0) - m_text_list->Clear(); - if (m_linkset != nullptr && m_linkset->Size > 0) - m_linkset->Clear(); - - if (this->mu_doc != nullptr) - mu_doc->CleanUp(); - - mu_doc = ref new mudocument(); - if (mu_doc == nullptr) - throw ref new FailureException("Document allocation failed!"); - - this->m_curr_flipView = nullptr; - m_currpage = -1; - m_file_open = false; - m_slider_min = 0; - m_slider_max = 0; - m_init_done = false; - m_memory_use = 0; - m_insearch = false; - m_search_active = false; - m_sliderchange = false; - m_flip_from_searchlink = false; - m_num_pages = -1; - m_search_rect_count = 0; - m_ren_status = REN_AVAILABLE; - m_links_on = false; - m_rectlist_page = -1; - - this->xaml_PageSlider->Minimum = m_slider_min; - this->xaml_PageSlider->Maximum = m_slider_max; - this->xaml_PageSlider->IsEnabled = false; + /* Remove current pages in the flipviews */ + if (m_docPages != nullptr && m_docPages->Size > 0) + m_docPages->Clear(); + if (m_thumbnails != nullptr && m_thumbnails->Size > 0) + m_thumbnails->Clear(); + /* With the ref counting this should not leak */ + if (m_page_link_list != nullptr && m_page_link_list->Size > 0) + m_page_link_list->Clear(); + if (m_text_list->Size > 0) + m_text_list->Clear(); + if (m_linkset != nullptr && m_linkset->Size > 0) + m_linkset->Clear(); + + if (this->mu_doc != nullptr) + mu_doc->CleanUp(); + + mu_doc = ref new mudocument(); + if (mu_doc == nullptr) + throw ref new FailureException("Document allocation failed!"); + + this->m_curr_flipView = nullptr; + m_currpage = -1; + m_file_open = false; + m_slider_min = 0; + m_slider_max = 0; + m_init_done = false; + m_memory_use = 0; + m_insearch = false; + m_search_active = false; + m_sliderchange = false; + m_flip_from_searchlink = false; + m_num_pages = -1; + m_search_rect_count = 0; + m_ren_status = REN_AVAILABLE; + m_links_on = false; + m_rectlist_page = -1; + + this->xaml_PageSlider->Minimum = m_slider_min; + this->xaml_PageSlider->Maximum = m_slider_max; + this->xaml_PageSlider->IsEnabled = false; } /* Create the thumbnail images */ void mupdf_cpp::MainPage::RenderThumbs() { - spatial_info_t spatial_info = this->InitSpatial(1); - int num_pages = this->m_num_pages; - cancellation_token_source cts; - auto token = cts.get_token(); - m_ThumbCancel = cts; - - this->m_ren_status = REN_THUMBS; - Vector<DocumentPage^>^ thumbnails = m_thumbnails; - auto ui = task_continuation_context::use_current(); - create_task([spatial_info, num_pages, thumbnails, this, ui, token]()-> int - { - spatial_info_t spatial_info_local = spatial_info; - spatial_info_local.scale_factor = SCALE_THUMB; - - for (int k = 0; k < num_pages; k++) - { - Point ras_size = ComputePageSize(spatial_info_local, k); - bool done = false; - DWORD thread1_id = GetCurrentThreadId(); - auto task2 = create_task(mu_doc->RenderPage(k, ras_size.X, ras_size.Y)); - - task2.then([this, k, thumbnails, ras_size](InMemoryRandomAccessStream^ ras) - { - assert(IsMainThread()); - WriteableBitmap ^bmp = ref new WriteableBitmap(ras_size.X, ras_size.Y); - bmp->SetSource(ras); - DocumentPage^ doc_page = ref new DocumentPage(); - doc_page->Image = bmp; - doc_page->Height = ras_size.Y / SCALE_THUMB; - doc_page->Width = ras_size.X / SCALE_THUMB; - doc_page->Content = THUMBNAIL; - doc_page->TextBox = nullptr; - doc_page->LinkBox = nullptr; - if (this->m_ren_status == REN_THUMBS) { - m_thumbnails->SetAt(k, doc_page); /* This avoids out of order returns from task */ - /* Flipview object gets overwhelmed unless I do this */ - if ((k < THUMB_PREADD)) - SetThumb(k, false); - } - }, ui).then([this] (task<void> t) - { - try - { - t.get(); - } - catch(Platform::InvalidArgumentException^ e) - { - //TODO handle error. - } - }, token); //end task chain */ - - /* If cancelled then save the last one as the continuation will not - have occured. */ - if (is_task_cancellation_requested()) - { - cancel_current_task(); - } - } - return num_pages; /* all done with thumbnails! */ - }, token).then([this](task<int> the_task) - { - /* Finish adding them, but not if we were cancelled. */ - bool is_cancelled = false; - try - { - the_task.get(); - } - catch (const task_canceled& e) - { - is_cancelled = true; - } - if (!is_cancelled) - { - for (int k = THUMB_PREADD; k < m_num_pages; k++) - SetThumb(k, false); - } - this->m_ren_status = REN_AVAILABLE; - }, task_continuation_context::use_current()); + spatial_info_t spatial_info = this->InitSpatial(1); + int num_pages = this->m_num_pages; + cancellation_token_source cts; + auto token = cts.get_token(); + m_ThumbCancel = cts; + + this->m_ren_status = REN_THUMBS; + Vector<DocumentPage^>^ thumbnails = m_thumbnails; + auto ui = task_continuation_context::use_current(); + create_task([spatial_info, num_pages, thumbnails, this, ui, token]()-> int + { + spatial_info_t spatial_info_local = spatial_info; + spatial_info_local.scale_factor = SCALE_THUMB; + + for (int k = 0; k < num_pages; k++) + { + Point ras_size = ComputePageSize(spatial_info_local, k); + bool done = false; + DWORD thread1_id = GetCurrentThreadId(); + auto task2 = create_task(mu_doc->RenderPage(k, ras_size.X, ras_size.Y)); + + task2.then([this, k, thumbnails, ras_size](InMemoryRandomAccessStream^ ras) + { + assert(IsMainThread()); + WriteableBitmap ^bmp = ref new WriteableBitmap(ras_size.X, ras_size.Y); + bmp->SetSource(ras); + DocumentPage^ doc_page = ref new DocumentPage(); + doc_page->Image = bmp; + doc_page->Height = ras_size.Y / SCALE_THUMB; + doc_page->Width = ras_size.X / SCALE_THUMB; + doc_page->Content = THUMBNAIL; + doc_page->TextBox = nullptr; + doc_page->LinkBox = nullptr; + if (this->m_ren_status == REN_THUMBS) { + m_thumbnails->SetAt(k, doc_page); /* This avoids out of order returns from task */ + /* Flipview object gets overwhelmed unless I do this */ + if ((k < THUMB_PREADD)) + SetThumb(k, false); + } + }, ui).then([this] (task<void> t) + { + try + { + t.get(); + } + catch(Platform::InvalidArgumentException^ e) + { + //TODO handle error. + } + }, token); //end task chain */ + + /* If cancelled then save the last one as the continuation will not + have occured. */ + if (is_task_cancellation_requested()) + { + cancel_current_task(); + } + } + return num_pages; /* all done with thumbnails! */ + }, token).then([this](task<int> the_task) + { + /* Finish adding them, but not if we were cancelled. */ + bool is_cancelled = false; + try + { + the_task.get(); + } + catch (const task_canceled& e) + { + is_cancelled = true; + } + if (!is_cancelled) + { + for (int k = THUMB_PREADD; k < m_num_pages; k++) + SetThumb(k, false); + } + this->m_ren_status = REN_AVAILABLE; + }, task_continuation_context::use_current()); } void mupdf_cpp::MainPage::OpenDocumentPrep(StorageFile^ file) { - if (this->m_num_pages != -1) - { - m_init_done = false; - - /* Set the index to the start of the document */ - this->xaml_vert_flipView->SelectedIndex = 0; - this->xaml_horiz_flipView->SelectedIndex = 0; - - /* If the thumbnail thread is running then we need to end that first */ - RenderingStatus_t *ren_status = &m_ren_status; - cancellation_token_source *ThumbCancel = &m_ThumbCancel; - - /* Create a task to wait until the renderer is available, then clean up then open */ - auto t = create_task([ren_status, ThumbCancel]()->int - { - if (*ren_status == REN_THUMBS) - ThumbCancel->cancel(); - while (*ren_status != REN_AVAILABLE) { - } - return 0; - }).then([this](task<int> the_task) - { - CleanUp(); - return 0; - }, task_continuation_context::use_current()).then([this, file](task<int> the_task) - { - OpenDocument(file); - }, task_continuation_context::use_current()); - } - else - { - OpenDocument(file); - } + if (this->m_num_pages != -1) + { + m_init_done = false; + + /* Set the index to the start of the document */ + this->xaml_vert_flipView->SelectedIndex = 0; + this->xaml_horiz_flipView->SelectedIndex = 0; + + /* If the thumbnail thread is running then we need to end that first */ + RenderingStatus_t *ren_status = &m_ren_status; + cancellation_token_source *ThumbCancel = &m_ThumbCancel; + + /* Create a task to wait until the renderer is available, then clean up then open */ + auto t = create_task([ren_status, ThumbCancel]()->int + { + if (*ren_status == REN_THUMBS) + ThumbCancel->cancel(); + while (*ren_status != REN_AVAILABLE) { + } + return 0; + }).then([this](task<int> the_task) + { + CleanUp(); + return 0; + }, task_continuation_context::use_current()).then([this, file](task<int> the_task) + { + OpenDocument(file); + }, task_continuation_context::use_current()); + } + else + { + OpenDocument(file); + } } void mupdf_cpp::MainPage::OpenDocument(StorageFile^ file) { - String^ path = file->Path; - const wchar_t *w = path->Data(); - int cb = WideCharToMultiByte(CP_UTF8, 0, w, -1, nullptr, 0, nullptr, nullptr); + String^ path = file->Path; + const wchar_t *w = path->Data(); + int cb = WideCharToMultiByte(CP_UTF8, 0, w, -1, nullptr, 0, nullptr, nullptr); char* name = new char[cb]; - WideCharToMultiByte(CP_UTF8, 0, w ,-1 ,name ,cb ,nullptr, nullptr); - char *ext = strrchr(name, '.'); - - this->SetFlipView(); - - /* Open document and when open, push on */ - auto open_task = create_task(mu_doc->OpenFile(file)); - - open_task.then([this] - { - assert(IsMainThread()); - - m_num_pages = mu_doc->GetNumPages(); - if ((m_currpage) >= m_num_pages) - { - m_currpage = m_num_pages - 1; - } - else if (m_currpage < 0) - { - m_currpage = 0; - } - - /* Initialize all the flipvew items with blanks and the thumbnails. */ - for (int k = 0; k < m_num_pages; k++) - { - /* Blank pages */ - DocumentPage^ doc_page = ref new DocumentPage(); - doc_page->Image = m_BlankBmp; - doc_page->Height = BLANK_HEIGHT; - doc_page->Width = BLANK_WIDTH; - doc_page->Content = DUMMY; - doc_page->TextBox = nullptr; - doc_page->LinkBox = nullptr; - m_docPages->Append(doc_page); - m_thumbnails->Append(doc_page); - /* Create empty lists for our links and specify that they have not - been computed for these pages */ - Vector<RectList^>^ temp_link = ref new Vector<RectList^>(); - m_page_link_list->Append(temp_link); - m_linkset->Append(false); - } - - this->xaml_horiz_flipView->ItemsSource = m_docPages; - this->xaml_vert_flipView->ItemsSource = m_docPages; - - /* Do the first few pages, then start the thumbs */ - spatial_info_t spatial_info = InitSpatial(1); - for (int k = 0; k < LOOK_AHEAD + 2; k++) - { - if (m_num_pages > k ) - { - Point ras_size = ComputePageSize(spatial_info, k); - - auto render_task = - create_task(mu_doc->RenderPage(k, ras_size.X, ras_size.Y)); - - render_task.then([this, k, ras_size] (InMemoryRandomAccessStream^ ras) - { - UpdatePage(k, ras, ras_size, FULL_RESOLUTION); - }, task_continuation_context::use_current()); - } - } - /* Update the slider settings, if more than one page */ - if (m_num_pages > 1) - { - this->xaml_PageSlider->Maximum = m_num_pages; - this->xaml_PageSlider->Minimum = 1; - this->xaml_PageSlider->IsEnabled = true; - } - else - { - this->xaml_PageSlider->Maximum = 0; - this->xaml_PageSlider->Minimum = 0; - this->xaml_PageSlider->IsEnabled = false; - } - /* All done with initial pages */ - this->m_init_done = true; - }).then([this] - { - this->RenderThumbs(); - }, task_continuation_context::use_current()); + WideCharToMultiByte(CP_UTF8, 0, w ,-1 ,name ,cb ,nullptr, nullptr); + char *ext = strrchr(name, '.'); + + this->SetFlipView(); + + /* Open document and when open, push on */ + auto open_task = create_task(mu_doc->OpenFile(file)); + + open_task.then([this] + { + assert(IsMainThread()); + + m_num_pages = mu_doc->GetNumPages(); + if ((m_currpage) >= m_num_pages) + { + m_currpage = m_num_pages - 1; + } + else if (m_currpage < 0) + { + m_currpage = 0; + } + + /* Initialize all the flipvew items with blanks and the thumbnails. */ + for (int k = 0; k < m_num_pages; k++) + { + /* Blank pages */ + DocumentPage^ doc_page = ref new DocumentPage(); + doc_page->Image = m_BlankBmp; + doc_page->Height = BLANK_HEIGHT; + doc_page->Width = BLANK_WIDTH; + doc_page->Content = DUMMY; + doc_page->TextBox = nullptr; + doc_page->LinkBox = nullptr; + m_docPages->Append(doc_page); + m_thumbnails->Append(doc_page); + /* Create empty lists for our links and specify that they have not + been computed for these pages */ + Vector<RectList^>^ temp_link = ref new Vector<RectList^>(); + m_page_link_list->Append(temp_link); + m_linkset->Append(false); + } + + this->xaml_horiz_flipView->ItemsSource = m_docPages; + this->xaml_vert_flipView->ItemsSource = m_docPages; + + /* Do the first few pages, then start the thumbs */ + spatial_info_t spatial_info = InitSpatial(1); + for (int k = 0; k < LOOK_AHEAD + 2; k++) + { + if (m_num_pages > k ) + { + Point ras_size = ComputePageSize(spatial_info, k); + + auto render_task = + create_task(mu_doc->RenderPage(k, ras_size.X, ras_size.Y)); + + render_task.then([this, k, ras_size] (InMemoryRandomAccessStream^ ras) + { + UpdatePage(k, ras, ras_size, FULL_RESOLUTION); + }, task_continuation_context::use_current()); + } + } + /* Update the slider settings, if more than one page */ + if (m_num_pages > 1) + { + this->xaml_PageSlider->Maximum = m_num_pages; + this->xaml_PageSlider->Minimum = 1; + this->xaml_PageSlider->IsEnabled = true; + } + else + { + this->xaml_PageSlider->Maximum = 0; + this->xaml_PageSlider->Minimum = 0; + this->xaml_PageSlider->IsEnabled = false; + } + /* All done with initial pages */ + this->m_init_done = true; + }).then([this] + { + this->RenderThumbs(); + }, task_continuation_context::use_current()); } void mupdf_cpp::MainPage::RenderRange(int curr_page) { - /* Render +/- the look ahead from where we are if blank page is present */ - spatial_info_t spatial_info = InitSpatial(1); - bool curr_page_rendered = true; - int range = LOOK_AHEAD; - - assert(IsMainThread()); - if (m_flip_from_searchlink) - range = 0; - for (int k = curr_page - LOOK_AHEAD; k <= curr_page + LOOK_AHEAD; k++) - { - if (k >= 0 && k < m_num_pages) - { - /* Check if page is already rendered */ - auto doc = this->m_docPages->GetAt(k); - if (doc->Content != FULL_RESOLUTION) - { - Point ras_size = ComputePageSize(spatial_info, k); - auto render_task = - create_task(mu_doc->RenderPage(k, ras_size.X, ras_size.Y)); - - render_task.then([this, k, ras_size] (InMemoryRandomAccessStream^ ras) - { - UpdatePage(k, ras, ras_size, FULL_RESOLUTION); - }, task_continuation_context::use_current()).then([this, k, curr_page]() - { - if (k == curr_page && this->m_links_on) - AddLinkCanvas(); - if (k == curr_page && this->m_text_list->Size > 0 && - m_flip_from_searchlink) - { - AddTextCanvas(); - m_flip_from_searchlink = false; - } - },task_continuation_context::use_current()); - } - else - { - /* We did not need to render the curr_page, so add links below if - needed. Otherwise, we need to wait for the task above to - complete before we add the links. */ - if (k == curr_page) - curr_page_rendered = false; - } - } - } - m_currpage = curr_page; - if (this->m_links_on && !curr_page_rendered) - AddLinkCanvas(); - if (this->m_text_list->Size > 0 && !curr_page_rendered && m_flip_from_searchlink) - { - AddTextCanvas(); - m_flip_from_searchlink = false; - } + /* Render +/- the look ahead from where we are if blank page is present */ + spatial_info_t spatial_info = InitSpatial(1); + bool curr_page_rendered = true; + int range = LOOK_AHEAD; + + assert(IsMainThread()); + if (m_flip_from_searchlink) + range = 0; + for (int k = curr_page - LOOK_AHEAD; k <= curr_page + LOOK_AHEAD; k++) + { + if (k >= 0 && k < m_num_pages) + { + /* Check if page is already rendered */ + auto doc = this->m_docPages->GetAt(k); + if (doc->Content != FULL_RESOLUTION) + { + Point ras_size = ComputePageSize(spatial_info, k); + auto render_task = + create_task(mu_doc->RenderPage(k, ras_size.X, ras_size.Y)); + + render_task.then([this, k, ras_size] (InMemoryRandomAccessStream^ ras) + { + UpdatePage(k, ras, ras_size, FULL_RESOLUTION); + }, task_continuation_context::use_current()).then([this, k, curr_page]() + { + if (k == curr_page && this->m_links_on) + AddLinkCanvas(); + if (k == curr_page && this->m_text_list->Size > 0 && + m_flip_from_searchlink) + { + AddTextCanvas(); + m_flip_from_searchlink = false; + } + },task_continuation_context::use_current()); + } + else + { + /* We did not need to render the curr_page, so add links below if + needed. Otherwise, we need to wait for the task above to + complete before we add the links. */ + if (k == curr_page) + curr_page_rendered = false; + } + } + } + m_currpage = curr_page; + if (this->m_links_on && !curr_page_rendered) + AddLinkCanvas(); + if (this->m_text_list->Size > 0 && !curr_page_rendered && m_flip_from_searchlink) + { + AddTextCanvas(); + m_flip_from_searchlink = false; + } } void mupdf_cpp::MainPage::Slider_ValueChanged(Platform::Object^ sender, Windows::UI::Xaml::Controls::Primitives::RangeBaseValueChangedEventArgs^ e) { - int newValue = (int) this->xaml_PageSlider->Value - 1; /* zero based */ - - if (m_update_flip) - { - m_update_flip = false; - return; - } - if (m_init_done && this->xaml_PageSlider->IsEnabled) - { - /* Make sure to clear any text search */ - auto doc_old = this->m_docPages->GetAt(m_currpage); - doc_old->TextBox = nullptr; - - auto doc = this->m_docPages->GetAt(newValue); - if (doc->Content != FULL_RESOLUTION) - { - spatial_info_t spatial_info = InitSpatial(1); - Point ras_size = ComputePageSize(spatial_info, newValue); - auto render_task = - create_task(mu_doc->RenderPage(newValue, ras_size.X, ras_size.Y)); - - render_task.then([this, newValue, ras_size] (InMemoryRandomAccessStream^ ras) - { - UpdatePage(newValue, ras, ras_size, FULL_RESOLUTION); - this->m_ren_status = REN_AVAILABLE; - this->m_currpage = newValue; - m_sliderchange = true; - this->m_curr_flipView->SelectedIndex = newValue; - }, task_continuation_context::use_current()); - } - } + int newValue = (int) this->xaml_PageSlider->Value - 1; /* zero based */ + + if (m_update_flip) + { + m_update_flip = false; + return; + } + if (m_init_done && this->xaml_PageSlider->IsEnabled) + { + /* Make sure to clear any text search */ + auto doc_old = this->m_docPages->GetAt(m_currpage); + doc_old->TextBox = nullptr; + + auto doc = this->m_docPages->GetAt(newValue); + if (doc->Content != FULL_RESOLUTION) + { + spatial_info_t spatial_info = InitSpatial(1); + Point ras_size = ComputePageSize(spatial_info, newValue); + auto render_task = + create_task(mu_doc->RenderPage(newValue, ras_size.X, ras_size.Y)); + + render_task.then([this, newValue, ras_size] (InMemoryRandomAccessStream^ ras) + { + UpdatePage(newValue, ras, ras_size, FULL_RESOLUTION); + this->m_ren_status = REN_AVAILABLE; + this->m_currpage = newValue; + m_sliderchange = true; + this->m_curr_flipView->SelectedIndex = newValue; + }, task_continuation_context::use_current()); + } + } } void mupdf_cpp::MainPage::FlipView_SelectionChanged(Object^ sender, SelectionChangedEventArgs^ e) { - if (m_init_done && !m_page_update) - { - int pos = this->m_curr_flipView->SelectedIndex; - - if (pos >= 0) - { - m_update_flip = true; - if (xaml_PageSlider->IsEnabled) - { - xaml_PageSlider->Value = pos; - } - if (m_sliderchange) - { - m_sliderchange = false; - return; - } - else - { - /* Make sure to clear any text search */ - auto doc_old = this->m_docPages->GetAt(m_currpage); - doc_old->TextBox = nullptr; - } - /* Get the current page */ - int curr_page = this->m_currpage; - this->RenderRange(pos); - this->ReleasePages(curr_page, pos); - } - } + if (m_init_done && !m_page_update) + { + int pos = this->m_curr_flipView->SelectedIndex; + + if (pos >= 0) + { + m_update_flip = true; + if (xaml_PageSlider->IsEnabled) + { + xaml_PageSlider->Value = pos; + } + if (m_sliderchange) + { + m_sliderchange = false; + return; + } + else + { + /* Make sure to clear any text search */ + auto doc_old = this->m_docPages->GetAt(m_currpage); + doc_old->TextBox = nullptr; + } + /* Get the current page */ + int curr_page = this->m_currpage; + this->RenderRange(pos); + this->ReleasePages(curr_page, pos); + } + } } /* Search Related Code */ void mupdf_cpp::MainPage::Searcher(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e) { - /* Update the app bar so that we can do the search */ - StackPanel^ leftPanel = (StackPanel^) this->TopAppBar->FindName("LeftPanel"); + /* Update the app bar so that we can do the search */ + StackPanel^ leftPanel = (StackPanel^) this->TopAppBar->FindName("LeftPanel"); if (leftPanel != nullptr && m_insearch) - { - m_insearch = false; - leftPanel->Children->RemoveAtEnd(); - leftPanel->Children->RemoveAtEnd(); - leftPanel->Children->RemoveAtEnd(); - } - else if (leftPanel != nullptr && !m_insearch) { - /* Search is not going to work in snapped view for now to simplify UI - in this cramped case. So see if we can get out of snapped mode. */ - - if (!EnsureUnsnapped()) - return; - - m_insearch = true; - Windows::UI::Xaml::Controls::Button^ PrevButton = ref new Button(); - PrevButton->Style = safe_cast<Windows::UI::Xaml::Style^>(App::Current->Resources->Lookup("PreviousAppBarButtonStyle")); - PrevButton->Click += ref new RoutedEventHandler(this, &mupdf_cpp::MainPage::SearchPrev); - - Windows::UI::Xaml::Controls::Button^ NextButton = ref new Button(); - NextButton->Style = safe_cast<Windows::UI::Xaml::Style^>(App::Current->Resources->Lookup("NextAppBarButtonStyle")); - NextButton->Click += ref new RoutedEventHandler(this, &mupdf_cpp::MainPage::SearchNext); - - Windows::UI::Xaml::Controls::TextBox^ SearchBox = ref new TextBox(); - SearchBox->Name = "findBox"; - SearchBox->Width = 200; - SearchBox->Height = 20; - - leftPanel->Children->Append(SearchBox); - leftPanel->Children->Append(PrevButton); - leftPanel->Children->Append(NextButton); + m_insearch = false; + leftPanel->Children->RemoveAtEnd(); + leftPanel->Children->RemoveAtEnd(); + leftPanel->Children->RemoveAtEnd(); + } + else if (leftPanel != nullptr && !m_insearch) + { + /* Search is not going to work in snapped view for now to simplify UI + in this cramped case. So see if we can get out of snapped mode. */ + + if (!EnsureUnsnapped()) + return; + + m_insearch = true; + Windows::UI::Xaml::Controls::Button^ PrevButton = ref new Button(); + PrevButton->Style = safe_cast<Windows::UI::Xaml::Style^>(App::Current->Resources->Lookup("PreviousAppBarButtonStyle")); + PrevButton->Click += ref new RoutedEventHandler(this, &mupdf_cpp::MainPage::SearchPrev); + + Windows::UI::Xaml::Controls::Button^ NextButton = ref new Button(); + NextButton->Style = safe_cast<Windows::UI::Xaml::Style^>(App::Current->Resources->Lookup("NextAppBarButtonStyle")); + NextButton->Click += ref new RoutedEventHandler(this, &mupdf_cpp::MainPage::SearchNext); + + Windows::UI::Xaml::Controls::TextBox^ SearchBox = ref new TextBox(); + SearchBox->Name = "findBox"; + SearchBox->Width = 200; + SearchBox->Height = 20; + + leftPanel->Children->Append(SearchBox); + leftPanel->Children->Append(PrevButton); + leftPanel->Children->Append(NextButton); } } void mupdf_cpp::MainPage::ClearTextSearch() { - /* Clear out any old search result */ - if (m_text_list->Size > 0) - m_text_list->Clear(); + /* Clear out any old search result */ + if (m_text_list->Size > 0) + m_text_list->Clear(); } void mupdf_cpp::MainPage::ShowSearchResults(SearchResult_t result) { - int old_page = this->m_currpage; - int new_page = result.page_num; - - ClearTextSearch(); - - /* Compute any scalings */ - Point screenSize; - Point pageSize; - Point scale; - - screenSize.Y = this->ActualHeight; - screenSize.X = this->ActualWidth; - screenSize.X *= screenScale; - screenSize.Y *= screenScale; - pageSize = mu_doc->GetPageSize(m_currpage); - scale = fitPageToScreen(pageSize, screenSize); - auto doc_page = this->m_docPages->GetAt(old_page); - - /* Construct our list of rectangles */ - for (int k = 0; k < result.box_count; k++) - { - RectList^ rect_item = ref new RectList(); - auto curr_box = mu_doc->GetTextSearch(k); - - rect_item->Color = m_textcolor; - rect_item->Height = curr_box->LowerRight.Y - curr_box->UpperLeft.Y; - rect_item->Width = curr_box->LowerRight.X - curr_box->UpperLeft.X; - rect_item->X = curr_box->UpperLeft.X * scale.X; - rect_item->Y = curr_box->UpperLeft.Y * scale.Y; - rect_item->Width *= (scale.X * doc_page->Zoom); + int old_page = this->m_currpage; + int new_page = result.page_num; + + ClearTextSearch(); + + /* Compute any scalings */ + Point screenSize; + Point pageSize; + Point scale; + + screenSize.Y = this->ActualHeight; + screenSize.X = this->ActualWidth; + screenSize.X *= screenScale; + screenSize.Y *= screenScale; + pageSize = mu_doc->GetPageSize(m_currpage); + scale = fitPageToScreen(pageSize, screenSize); + auto doc_page = this->m_docPages->GetAt(old_page); + + /* Construct our list of rectangles */ + for (int k = 0; k < result.box_count; k++) + { + RectList^ rect_item = ref new RectList(); + auto curr_box = mu_doc->GetTextSearch(k); + + rect_item->Color = m_textcolor; + rect_item->Height = curr_box->LowerRight.Y - curr_box->UpperLeft.Y; + rect_item->Width = curr_box->LowerRight.X - curr_box->UpperLeft.X; + rect_item->X = curr_box->UpperLeft.X * scale.X; + rect_item->Y = curr_box->UpperLeft.Y * scale.Y; + rect_item->Width *= (scale.X * doc_page->Zoom); rect_item->Height *= (scale.Y * doc_page->Zoom); - rect_item->Index = k.ToString(); - m_text_list->Append(rect_item); - } - /* Make sure the current page has its text results cleared */ - doc_page->TextBox = nullptr; - - /* Go ahead and set our doc item to this in the vertical and horizontal view */ - m_searchpage = new_page; - m_flip_from_searchlink = true; - - if (old_page == new_page) - { - FlipView_SelectionChanged(nullptr, nullptr); - } - else - { - this->m_curr_flipView->SelectedIndex = new_page; - } - return; + rect_item->Index = k.ToString(); + m_text_list->Append(rect_item); + } + /* Make sure the current page has its text results cleared */ + doc_page->TextBox = nullptr; + + /* Go ahead and set our doc item to this in the vertical and horizontal view */ + m_searchpage = new_page; + m_flip_from_searchlink = true; + + if (old_page == new_page) + { + FlipView_SelectionChanged(nullptr, nullptr); + } + else + { + this->m_curr_flipView->SelectedIndex = new_page; + } + return; } void mupdf_cpp::MainPage::SearchNext(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e) { - StackPanel^ leftPanel = (StackPanel^) this->TopAppBar->FindName("LeftPanel"); - TextBox^ findBox = (TextBox^) leftPanel->FindName("findBox"); - String^ textToFind = findBox->Text; + StackPanel^ leftPanel = (StackPanel^) this->TopAppBar->FindName("LeftPanel"); + TextBox^ findBox = (TextBox^) leftPanel->FindName("findBox"); + String^ textToFind = findBox->Text; - if (this->m_search_active == false) - SearchInDirection(1, textToFind); + if (this->m_search_active == false) + SearchInDirection(1, textToFind); } void mupdf_cpp::MainPage::SearchPrev(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e) { - StackPanel^ leftPanel = (StackPanel^) this->TopAppBar->FindName("LeftPanel"); - TextBox^ findBox = (TextBox^) leftPanel->FindName("findBox"); - String^ textToFind = findBox->Text; + StackPanel^ leftPanel = (StackPanel^) this->TopAppBar->FindName("LeftPanel"); + TextBox^ findBox = (TextBox^) leftPanel->FindName("findBox"); + String^ textToFind = findBox->Text; - if (this->m_search_active == false) - SearchInDirection(-1, textToFind); + if (this->m_search_active == false) + SearchInDirection(-1, textToFind); } void mupdf_cpp::MainPage::CancelSearch(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e) @@ -872,412 +874,412 @@ void mupdf_cpp::MainPage::CancelSearch(Platform::Object^ sender, Windows::UI::Xa void mupdf_cpp::MainPage::AddTextCanvas() { - /* Go ahead and set our doc item to this in the vertical and horizontal view */ - auto doc_page = this->m_docPages->GetAt(m_currpage); - assert(doc_page->Content == FULL_RESOLUTION); - if (doc_page->Content == FULL_RESOLUTION) // We should not be doing links for thumbnails - { - doc_page->TextBox = m_text_list; - } - this->m_search_active = false; + /* Go ahead and set our doc item to this in the vertical and horizontal view */ + auto doc_page = this->m_docPages->GetAt(m_currpage); + assert(doc_page->Content == FULL_RESOLUTION); + if (doc_page->Content == FULL_RESOLUTION) // We should not be doing links for thumbnails + { + doc_page->TextBox = m_text_list; + } + this->m_search_active = false; } void mupdf_cpp::MainPage::SearchInDirection(int dir, String^ textToFind) { - cancellation_token_source cts; - auto token = cts.get_token(); - m_searchcts = cts; - int pos = m_currpage; - int start; - SearchResult_t result; + cancellation_token_source cts; + auto token = cts.get_token(); + m_searchcts = cts; + int pos = m_currpage; + int start; + SearchResult_t result; - result.box_count = 0; - result.page_num = -1; + result.box_count = 0; + result.page_num = -1; if (m_searchpage == pos) start = pos + dir; else start = pos; - /* ProgressBar^ my_xaml_Progress = (ProgressBar^) (this->FindName("xaml_Progress")); - my_xaml_Progress->Value = start; - my_xaml_Progress->IsEnabled = true; - my_xaml_Progress->Opacity = 1.0; */ + /* ProgressBar^ my_xaml_Progress = (ProgressBar^) (this->FindName("xaml_Progress")); + my_xaml_Progress->Value = start; + my_xaml_Progress->IsEnabled = true; + my_xaml_Progress->Opacity = 1.0; */ - if (start < 0) - return; - if (start > this->m_num_pages - 1) - return; - this->m_search_active = true; + if (start < 0) + return; + if (start > this->m_num_pages - 1) + return; + this->m_search_active = true; - /* Do task lambdas here to avoid UI blocking issues */ - auto search_task = create_task([this, textToFind, dir, start, &result]()->SearchResult_t - { + /* Do task lambdas here to avoid UI blocking issues */ + auto search_task = create_task([this, textToFind, dir, start, &result]()->SearchResult_t + { for (int i = start; i >= 0 && i < this->m_num_pages; i += dir) - { - result.box_count = this->mu_doc->ComputeTextSearch(textToFind, i); - result.page_num = i; + { + result.box_count = this->mu_doc->ComputeTextSearch(textToFind, i); + result.page_num = i; - // my_xaml_Progress->Value = i; + // my_xaml_Progress->Value = i; - if (result.box_count > 0) - { - return result; + if (result.box_count > 0) + { + return result; } - if (is_task_cancellation_requested()) - { - } - } - /* Todo no matches found alert */ - return result; - }, token); - /* Do the continuation on the ui thread */ - search_task.then([this](task<SearchResult_t> the_task) - { - SearchResult_t the_result = the_task.get(); - if (the_result.box_count > 0) - { - this->ShowSearchResults(the_result); - } - }, task_continuation_context::use_current()); + if (is_task_cancellation_requested()) + { + } + } + /* Todo no matches found alert */ + return result; + }, token); + /* Do the continuation on the ui thread */ + search_task.then([this](task<SearchResult_t> the_task) + { + SearchResult_t the_result = the_task.get(); + if (the_result.box_count > 0) + { + this->ShowSearchResults(the_result); + } + }, task_continuation_context::use_current()); } /* This is here to handle when we rotate or go into the snapview mode */ void mupdf_cpp::MainPage::GridSizeChanged() { - int height = this->ActualHeight; - int width = this->ActualWidth; - FlipView^ old_flip = m_curr_flipView; - - if (TopAppBar1->IsOpen) - { - UpdateAppBarButtonViewState(); - } - - if (height > width) - { - m_curr_flipView = this->xaml_vert_flipView; - if (!m_zoom_mode) - { - this->xaml_zoomCanvas->Height = height; - this->xaml_zoomCanvas->Width = width; - this->m_curr_flipView->Height = height; - this->m_curr_flipView->Width = width; - } - xaml_vert_flipView->IsEnabled = true; - xaml_vert_flipView->Opacity = 1; - xaml_horiz_flipView->IsEnabled = false; - xaml_horiz_flipView->Opacity = 0; } - else - { - m_curr_flipView = this->xaml_horiz_flipView; - if (!m_zoom_mode) - { - this->xaml_zoomCanvas->Height = height; - this->xaml_zoomCanvas->Width = width; - this->m_curr_flipView->Height = height; - this->m_curr_flipView->Width = width; - } - xaml_horiz_flipView->IsEnabled = true; - xaml_horiz_flipView->Opacity = 1; - xaml_vert_flipView->IsEnabled = false; - xaml_vert_flipView->Opacity = 0; - } - - if (xaml_WebView->Visibility == Windows::UI::Xaml::Visibility::Visible) - { - int height = xaml_OutsideGrid->ActualHeight; - int height_app = TopAppBar1->ActualHeight; + int height = this->ActualHeight; + int width = this->ActualWidth; + FlipView^ old_flip = m_curr_flipView; + + if (TopAppBar1->IsOpen) + { + UpdateAppBarButtonViewState(); + } + + if (height > width) + { + m_curr_flipView = this->xaml_vert_flipView; + if (!m_zoom_mode) + { + this->xaml_zoomCanvas->Height = height; + this->xaml_zoomCanvas->Width = width; + this->m_curr_flipView->Height = height; + this->m_curr_flipView->Width = width; + } + xaml_vert_flipView->IsEnabled = true; + xaml_vert_flipView->Opacity = 1; + xaml_horiz_flipView->IsEnabled = false; + xaml_horiz_flipView->Opacity = 0; } + else + { + m_curr_flipView = this->xaml_horiz_flipView; + if (!m_zoom_mode) + { + this->xaml_zoomCanvas->Height = height; + this->xaml_zoomCanvas->Width = width; + this->m_curr_flipView->Height = height; + this->m_curr_flipView->Width = width; + } + xaml_horiz_flipView->IsEnabled = true; + xaml_horiz_flipView->Opacity = 1; + xaml_vert_flipView->IsEnabled = false; + xaml_vert_flipView->Opacity = 0; + } + + if (xaml_WebView->Visibility == Windows::UI::Xaml::Visibility::Visible) + { + int height = xaml_OutsideGrid->ActualHeight; + int height_app = TopAppBar1->ActualHeight; - xaml_WebView->Height = height - height_app; - } - - UpDatePageSizes(); - - if (m_num_pages > 0 && old_flip != m_curr_flipView && old_flip != nullptr) - { - if ((this->m_curr_flipView->SelectedIndex == this->m_currpage) && this->m_links_on) - FlipView_SelectionChanged(nullptr, nullptr); - else - this->m_curr_flipView->SelectedIndex = this->m_currpage; - } + xaml_WebView->Height = height - height_app; + } + + UpDatePageSizes(); + + if (m_num_pages > 0 && old_flip != m_curr_flipView && old_flip != nullptr) + { + if ((this->m_curr_flipView->SelectedIndex == this->m_currpage) && this->m_links_on) + FlipView_SelectionChanged(nullptr, nullptr); + else + this->m_curr_flipView->SelectedIndex = this->m_currpage; + } } void mupdf_cpp::MainPage::UpDatePageSizes() { - /* Reset the thumb view scaling value */ - if (m_num_pages > 0) - { - int num_items = m_thumbnails->Size; - for (int i = 0; i < num_items; i++) - { - DocumentPage ^thumb_page = m_thumbnails->GetAt(i); - if (thumb_page != nullptr && thumb_page->Image != nullptr) - { - int curr_height = thumb_page->Height; - int curr_width = thumb_page->Width; - - double scale_x = (double) curr_height / (double) this->xaml_zoomCanvas->Height; - double scale_y = (double) curr_width / (double) this->xaml_zoomCanvas->Width; - - double min_scale = max(scale_x, scale_y); - thumb_page->Height = curr_height / min_scale; - thumb_page->Width = curr_width / min_scale; - } - } - } + /* Reset the thumb view scaling value */ + if (m_num_pages > 0) + { + int num_items = m_thumbnails->Size; + for (int i = 0; i < num_items; i++) + { + DocumentPage ^thumb_page = m_thumbnails->GetAt(i); + if (thumb_page != nullptr && thumb_page->Image != nullptr) + { + int curr_height = thumb_page->Height; + int curr_width = thumb_page->Width; + + double scale_x = (double) curr_height / (double) this->xaml_zoomCanvas->Height; + double scale_y = (double) curr_width / (double) this->xaml_zoomCanvas->Width; + + double min_scale = max(scale_x, scale_y); + thumb_page->Height = curr_height / min_scale; + thumb_page->Width = curr_width / min_scale; + } + } + } }; /* Link related code */ void mupdf_cpp::MainPage::Linker(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e) { - m_links_on = !m_links_on; - - if (m_links_on) - AddLinkCanvas(); - else - { - /* Make sure surrounding render pages lose their links */ - for (int k = m_currpage - LOOK_AHEAD; k <= m_currpage + LOOK_AHEAD; k++) - { - if (k >= 0 && k < m_num_pages) - { - auto doc_page = this->m_docPages->GetAt(k); - if (doc_page->Content == FULL_RESOLUTION) - { - doc_page->LinkBox = nullptr; - } - } - } - } + m_links_on = !m_links_on; + + if (m_links_on) + AddLinkCanvas(); + else + { + /* Make sure surrounding render pages lose their links */ + for (int k = m_currpage - LOOK_AHEAD; k <= m_currpage + LOOK_AHEAD; k++) + { + if (k >= 0 && k < m_num_pages) + { + auto doc_page = this->m_docPages->GetAt(k); + if (doc_page->Content == FULL_RESOLUTION) + { + doc_page->LinkBox = nullptr; + } + } + } + } } /* Add in the link rects. If we have not already computed them then do that now */ void mupdf_cpp::MainPage::AddLinkCanvas() { - /* See if the link object for this page has already been computed */ - int link_page = m_linkset->GetAt(m_currpage); - auto doc_page = this->m_docPages->GetAt(m_currpage); - - if (!link_page) - { - m_linkset->SetAt(m_currpage, true); - int num_links = mu_doc->ComputeLinks(m_currpage); - if (num_links == 0) return; - - Point screenSize; - Point pageSize; - Point scale; - - screenSize.Y = this->ActualHeight; - screenSize.X = this->ActualWidth; - screenSize.X *= screenScale; - screenSize.Y *= screenScale; - pageSize = mu_doc->GetPageSize(m_currpage); - scale = fitPageToScreen(pageSize, screenSize); - - /* Create a new RectList collection */ - auto link_list = ref new Platform::Collections::Vector<RectList^>(); - - /* Now add the rects */ - for (int k = 0; k < num_links; k++) - { - auto curr_link = mu_doc->GetLink(k); - if (curr_link->Type != NOT_SET) - { - RectList^ rect_item = ref new RectList(); - rect_item->Color = m_linkcolor; - rect_item->Height = curr_link->LowerRight.Y - curr_link->UpperLeft.Y; - rect_item->Width = curr_link->LowerRight.X - curr_link->UpperLeft.X; - rect_item->X = curr_link->UpperLeft.X * scale.X; - rect_item->Y = curr_link->UpperLeft.Y * scale.Y; - rect_item->Width *= (scale.X * doc_page->Zoom); - rect_item->Height *= (scale.Y * doc_page->Zoom); - rect_item->Type = curr_link->Type; - rect_item->Urilink = curr_link->Uri; - rect_item->PageNum = curr_link->PageNum; - rect_item->Index = k.ToString(); - link_list->Append(rect_item); - } - } - /* Now set it in our list of links */ - m_page_link_list->SetAt(m_currpage, link_list); - } - /* Go ahead and set our doc item to this in the vertical and horizontal view */ - if (doc_page->LinkBox == nullptr) - { - if (doc_page->Content == FULL_RESOLUTION) // We should not be doing links for thumbnails - { - doc_page->LinkBox = m_page_link_list->GetAt(m_currpage); - } - } + /* See if the link object for this page has already been computed */ + int link_page = m_linkset->GetAt(m_currpage); + auto doc_page = this->m_docPages->GetAt(m_currpage); + + if (!link_page) + { + m_linkset->SetAt(m_currpage, true); + int num_links = mu_doc->ComputeLinks(m_currpage); + if (num_links == 0) return; + + Point screenSize; + Point pageSize; + Point scale; + + screenSize.Y = this->ActualHeight; + screenSize.X = this->ActualWidth; + screenSize.X *= screenScale; + screenSize.Y *= screenScale; + pageSize = mu_doc->GetPageSize(m_currpage); + scale = fitPageToScreen(pageSize, screenSize); + + /* Create a new RectList collection */ + auto link_list = ref new Platform::Collections::Vector<RectList^>(); + + /* Now add the rects */ + for (int k = 0; k < num_links; k++) + { + auto curr_link = mu_doc->GetLink(k); + if (curr_link->Type != NOT_SET) + { + RectList^ rect_item = ref new RectList(); + rect_item->Color = m_linkcolor; + rect_item->Height = curr_link->LowerRight.Y - curr_link->UpperLeft.Y; + rect_item->Width = curr_link->LowerRight.X - curr_link->UpperLeft.X; + rect_item->X = curr_link->UpperLeft.X * scale.X; + rect_item->Y = curr_link->UpperLeft.Y * scale.Y; + rect_item->Width *= (scale.X * doc_page->Zoom); + rect_item->Height *= (scale.Y * doc_page->Zoom); + rect_item->Type = curr_link->Type; + rect_item->Urilink = curr_link->Uri; + rect_item->PageNum = curr_link->PageNum; + rect_item->Index = k.ToString(); + link_list->Append(rect_item); + } + } + /* Now set it in our list of links */ + m_page_link_list->SetAt(m_currpage, link_list); + } + /* Go ahead and set our doc item to this in the vertical and horizontal view */ + if (doc_page->LinkBox == nullptr) + { + if (doc_page->Content == FULL_RESOLUTION) // We should not be doing links for thumbnails + { + doc_page->LinkBox = m_page_link_list->GetAt(m_currpage); + } + } } /* A link was tapped */ void mupdf_cpp::MainPage::LinkTapped(Platform::Object^ sender, Windows::UI::Xaml::Input::TappedRoutedEventArgs^ e) { - Rectangle^ rect = safe_cast<Rectangle^>(e->OriginalSource); - String^ str_index = safe_cast<String^>(rect->Tag); - int index = _wtof(str_index->Data()); - - if (index >= 0 && index < m_num_pages) - { - auto link_list = m_page_link_list->GetAt(m_currpage); - auto link = link_list->GetAt(index); - - if (link->Type == LINK_GOTO) - { - this->m_curr_flipView->SelectedIndex = link->PageNum; - } - else if (link->Type == LINK_URI) - { - // Set the option to show a warning - auto launchOptions = ref new Windows::System::LauncherOptions(); - launchOptions->TreatAsUntrusted = true; - - // Launch the URI with a warning prompt - concurrency::task<bool> launchUriOperation(Windows::System::Launcher::LaunchUriAsync(link->Urilink, launchOptions)); - launchUriOperation.then([](bool success) - { - if (success) - { - // URI launched - } - else - { - // URI launch failed - } - }); - } - } + Rectangle^ rect = safe_cast<Rectangle^>(e->OriginalSource); + String^ str_index = safe_cast<String^>(rect->Tag); + int index = _wtof(str_index->Data()); + + if (index >= 0 && index < m_num_pages) + { + auto link_list = m_page_link_list->GetAt(m_currpage); + auto link = link_list->GetAt(index); + + if (link->Type == LINK_GOTO) + { + this->m_curr_flipView->SelectedIndex = link->PageNum; + } + else if (link->Type == LINK_URI) + { + // Set the option to show a warning + auto launchOptions = ref new Windows::System::LauncherOptions(); + launchOptions->TreatAsUntrusted = true; + + // Launch the URI with a warning prompt + concurrency::task<bool> launchUriOperation(Windows::System::Launcher::LaunchUriAsync(link->Urilink, launchOptions)); + launchUriOperation.then([](bool success) + { + if (success) + { + // URI launched + } + else + { + // URI launch failed + } + }); + } + } } /* Bring up the contents */ void mupdf_cpp::MainPage::ContentDisplay(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e) { - if (this->m_num_pages < 0) - return; - - if (this->xaml_ListView->IsEnabled) - { - this->xaml_ListView->Opacity = 0.0; - this->xaml_ListView->IsEnabled = false; - this->m_curr_flipView->Opacity = 1.0; - this->m_curr_flipView->IsEnabled = true; - } - else - { - if (xaml_ListView->Items->Size == 0) - { - int size_content = mu_doc->ComputeContents(); - /* Bring up the content now */ - for (int k = 0; k < size_content; k++) - { - ContentItem^ item = mu_doc->GetContent(k); - this->xaml_ListView->Items->Append(item); - } - if (size_content > 0) - { - this->xaml_ListView->Opacity = 1.0; - this->xaml_ListView->IsEnabled = true; - this->m_curr_flipView->Opacity = 0.0; - this->m_curr_flipView->IsEnabled = false; - } - } - else - { - this->xaml_ListView->Opacity = 1.0; - this->xaml_ListView->IsEnabled = true; - this->m_curr_flipView->Opacity = 0.0; - this->m_curr_flipView->IsEnabled = false; - } - } + if (this->m_num_pages < 0) + return; + + if (this->xaml_ListView->IsEnabled) + { + this->xaml_ListView->Opacity = 0.0; + this->xaml_ListView->IsEnabled = false; + this->m_curr_flipView->Opacity = 1.0; + this->m_curr_flipView->IsEnabled = true; + } + else + { + if (xaml_ListView->Items->Size == 0) + { + int size_content = mu_doc->ComputeContents(); + /* Bring up the content now */ + for (int k = 0; k < size_content; k++) + { + ContentItem^ item = mu_doc->GetContent(k); + this->xaml_ListView->Items->Append(item); + } + if (size_content > 0) + { + this->xaml_ListView->Opacity = 1.0; + this->xaml_ListView->IsEnabled = true; + this->m_curr_flipView->Opacity = 0.0; + this->m_curr_flipView->IsEnabled = false; + } + } + else + { + this->xaml_ListView->Opacity = 1.0; + this->xaml_ListView->IsEnabled = true; + this->m_curr_flipView->Opacity = 0.0; + this->m_curr_flipView->IsEnabled = false; + } + } } void mupdf_cpp::MainPage::ContentSelected(Platform::Object^ sender, Windows::UI::Xaml::Controls::ItemClickEventArgs^ e) { - ContentItem^ b = safe_cast<ContentItem^>(e->ClickedItem); - int newpage = b->Page; - - if (newpage > -1 && newpage < this->m_num_pages) - { - this->xaml_ListView->Opacity = 0.0; - this->xaml_ListView->IsEnabled = false; - this->m_curr_flipView->Opacity = 1.0; - this->m_curr_flipView->IsEnabled = true; - - int old_page = this->m_currpage; - this->m_curr_flipView->SelectedIndex = newpage; - this->m_currpage = newpage; - } + ContentItem^ b = safe_cast<ContentItem^>(e->ClickedItem); + int newpage = b->Page; + + if (newpage > -1 && newpage < this->m_num_pages) + { + this->xaml_ListView->Opacity = 0.0; + this->xaml_ListView->IsEnabled = false; + this->m_curr_flipView->Opacity = 1.0; + this->m_curr_flipView->IsEnabled = true; + + int old_page = this->m_currpage; + this->m_curr_flipView->SelectedIndex = newpage; + this->m_currpage = newpage; + } } void mupdf_cpp::MainPage::Reflower(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e) { - if (this->m_num_pages < 0) return; - - if (xaml_WebView->Visibility == Windows::UI::Xaml::Visibility::Visible) - { - /* Go back to flip view */ - xaml_WebView->Visibility = Windows::UI::Xaml::Visibility::Collapsed; - this->xaml_MainGrid->Opacity = 1.0; - this->m_curr_flipView->IsEnabled = true; - xaml_WebView->Visibility = Windows::UI::Xaml::Visibility::Collapsed; - xaml_WebView->Opacity = 0.0; - - } - else if (this->m_curr_flipView->IsEnabled) - { - String^ html_string = mu_doc->ComputeHTML(this->m_currpage); - xaml_WebView->Visibility = Windows::UI::Xaml::Visibility::Visible; - this->xaml_MainGrid->Opacity = 0.0; - this->m_curr_flipView->IsEnabled = false; - this->xaml_WebView->NavigateToString(html_string); - this->xaml_WebView->Height = this->ActualHeight - 2 * this->BottomAppBar->ActualHeight; - /* Check if thumb rendering is done. If not then restart */ - } + if (this->m_num_pages < 0) return; + + if (xaml_WebView->Visibility == Windows::UI::Xaml::Visibility::Visible) + { + /* Go back to flip view */ + xaml_WebView->Visibility = Windows::UI::Xaml::Visibility::Collapsed; + this->xaml_MainGrid->Opacity = 1.0; + this->m_curr_flipView->IsEnabled = true; + xaml_WebView->Visibility = Windows::UI::Xaml::Visibility::Collapsed; + xaml_WebView->Opacity = 0.0; + + } + else if (this->m_curr_flipView->IsEnabled) + { + String^ html_string = mu_doc->ComputeHTML(this->m_currpage); + xaml_WebView->Visibility = Windows::UI::Xaml::Visibility::Visible; + this->xaml_MainGrid->Opacity = 0.0; + this->m_curr_flipView->IsEnabled = false; + this->xaml_WebView->NavigateToString(html_string); + this->xaml_WebView->Height = this->ActualHeight - 2 * this->BottomAppBar->ActualHeight; + /* Check if thumb rendering is done. If not then restart */ + } } /* Need to handle resizing of app bar to make sure everything fits */ void mupdf_cpp::MainPage::topAppBar_Loaded(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e) { - UpdateAppBarButtonViewState(); + UpdateAppBarButtonViewState(); } void mupdf_cpp::MainPage::UpdateAppBarButtonViewState() { - String ^viewState = Windows::UI::ViewManagement::ApplicationView::Value.ToString(); - VisualStateManager::GoToState(Search, viewState, true); - VisualStateManager::GoToState(Contents, viewState, true); - VisualStateManager::GoToState(Links, viewState, true); - VisualStateManager::GoToState(Reflow, viewState, true); - VisualStateManager::GoToState(Help, viewState, true); + String ^viewState = Windows::UI::ViewManagement::ApplicationView::Value.ToString(); + VisualStateManager::GoToState(Search, viewState, true); + VisualStateManager::GoToState(Contents, viewState, true); + VisualStateManager::GoToState(Links, viewState, true); + VisualStateManager::GoToState(Reflow, viewState, true); + VisualStateManager::GoToState(Help, viewState, true); } void mupdf_cpp::MainPage::ScrollChanged(Platform::Object^ sender, - Windows::UI::Xaml::Controls::ScrollViewerViewChangedEventArgs^ e) + Windows::UI::Xaml::Controls::ScrollViewerViewChangedEventArgs^ e) { - ScrollViewer^ scrollviewer = safe_cast<ScrollViewer^> (sender); - auto doc_page = this->m_docPages->GetAt(m_currpage); - - if (scrollviewer->ZoomFactor == doc_page->Zoom) - return; - - if (!e->IsIntermediate) - { - doc_page->Zoom = scrollviewer->ZoomFactor; - int page = m_currpage; - /* Render at new resolution */ - spatial_info_t spatial_info = InitSpatial(doc_page->Zoom); - Point ras_size = ComputePageSize(spatial_info, page); - - auto render_task = - create_task(mu_doc->RenderPage(page, ras_size.X, ras_size.Y)); - - render_task.then([this, page, ras_size] (InMemoryRandomAccessStream^ ras) - { - ReplaceImage(page, ras, ras_size); - }, task_continuation_context::use_current()); - } + ScrollViewer^ scrollviewer = safe_cast<ScrollViewer^> (sender); + auto doc_page = this->m_docPages->GetAt(m_currpage); + + if (scrollviewer->ZoomFactor == doc_page->Zoom) + return; + + if (!e->IsIntermediate) + { + doc_page->Zoom = scrollviewer->ZoomFactor; + int page = m_currpage; + /* Render at new resolution */ + spatial_info_t spatial_info = InitSpatial(doc_page->Zoom); + Point ras_size = ComputePageSize(spatial_info, page); + + auto render_task = + create_task(mu_doc->RenderPage(page, ras_size.X, ras_size.Y)); + + render_task.then([this, page, ras_size] (InMemoryRandomAccessStream^ ras) + { + ReplaceImage(page, ras, ras_size); + }, task_continuation_context::use_current()); + } } |