UNIXworkcode

1 /* 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. 3 * 4 * Copyright 2024 Olaf Wintermann. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "pch.h" 30 31 #include "image.h" 32 33 #include "toolkit.h" 34 #include "container.h" 35 #include "../common/object.h" 36 #include "../common/context.h" 37 #include "util.h" 38 39 using namespace winrt; 40 using namespace Microsoft::UI::Xaml; 41 using namespace Microsoft::UI::Xaml::Controls; 42 using namespace Windows::UI::Xaml::Interop; 43 using namespace winrt::Windows::Foundation; 44 using namespace winrt::Microsoft::UI::Xaml::Controls::Primitives; 45 using namespace winrt::Microsoft::UI::Xaml::Media::Imaging; 46 using namespace winrt::Microsoft::UI::Xaml::Media; 47 48 UiImageSource::UiImageSource(winrt::Microsoft::UI::Xaml::Media::ImageSource& src) : imgsrc(src) {} 49 50 UIEXPORT UIWIDGET ui_imageviewer_create(UiObject *obj, UiImageViewerArgs args) { 51 UiObject* current = uic_current_obj(obj); 52 53 Image image = Image(); 54 FrameworkElement elm = image; 55 if (args.scrollarea) { 56 ScrollViewer scroll = ScrollViewer(); 57 scroll.Content(image); 58 elm = scroll; 59 } 60 61 // create toolkit wrapper object and register destructor 62 UIElement uielm = image; 63 UiWidget* widget = new UiWidget(uielm); 64 ui_context_add_widget_destructor(current->ctx, widget); 65 66 // bind variable 67 UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_GENERIC); 68 if (var) { 69 UiGeneric *value = (UiGeneric*)var->value; 70 value->obj = widget; 71 value->get = ui_image_get; 72 value->set = ui_image_set; 73 } 74 75 // add button to current container 76 UI_APPLY_LAYOUT1(current, args); 77 78 current->container->Add(elm, true); 79 80 return widget; 81 } 82 83 extern "C" void* ui_image_get(UiGeneric *g) { 84 85 86 return NULL; 87 } 88 89 extern "C" int ui_image_set(UiGeneric *g, void *data, const char *type) { 90 if(!type || strcmp(type, UI_IMAGE_OBJECT_TYPE)) { 91 return 1; 92 } 93 94 UiImageSource *imgdata = (UiImageSource*)data; 95 if (g->value) { 96 UiImageSource *prevData = (UiImageSource*)g->value; 97 delete prevData; 98 } 99 g->value = imgdata; 100 101 UiWidget* widget = (UiWidget*)g->obj; 102 Image image = widget->uielement.as<Image>(); 103 image.Source(imgdata->imgsrc); 104 105 return 0; 106 } 107 108 UIEXPORT int ui_image_load_file(UiGeneric *obj, const char *path) { 109 wchar_t* wpath = str2wstr(path, nullptr); 110 std::wstring wPath = wpath; 111 std::wstring uriPath = "file:///"L + wPath; 112 Uri uri{ uriPath }; 113 114 BitmapImage bitmapImage = BitmapImage(); 115 bitmapImage.UriSource(uri); 116 ImageSource src = bitmapImage; 117 118 UiImageSource *imgdata = new UiImageSource(src); 119 obj->set(obj, imgdata, UI_IMAGE_OBJECT_TYPE); 120 121 free(wpath); 122 123 return 0; 124 } 125