1 /* 2 * Copyright 2003-2009, Haiku, Inc. All rights reserved. 3 * Distributed under the terms of the MIT license. 4 * 5 * Authors: 6 * Michael Wilber 7 * Axel Dörfler, axeld@pinc-software.de 8 */ 9 10 11 #include "PNGView.h" 12 #include "PNGTranslator.h" 13 14 #include <Alert.h> 15 #include <Catalog.h> 16 #include <LayoutBuilder.h> 17 #include <MenuField.h> 18 #include <MenuItem.h> 19 #include <PopUpMenu.h> 20 #include <StringView.h> 21 22 #include <stdio.h> 23 #define PNG_NO_PEDANTIC_WARNINGS 24 #include <png.h> 25 26 #undef B_TRANSLATION_CONTEXT 27 #define B_TRANSLATION_CONTEXT "PNGTranslator" 28 29 PNGView::PNGView(const BRect &frame, const char *name, uint32 resizeMode, 30 uint32 flags, TranslatorSettings *settings) 31 : BView(frame, name, resizeMode, flags | B_FRAME_EVENTS) 32 { 33 fSettings = settings; 34 SetViewUIColor(B_PANEL_BACKGROUND_COLOR); 35 36 BStringView *titleView = new BStringView("title", 37 B_TRANSLATE("PNG image translator")); 38 titleView->SetFont(be_bold_font); 39 40 char version[256]; 41 snprintf(version, sizeof(version), B_TRANSLATE("Version %d.%d.%d, %s"), 42 int(B_TRANSLATION_MAJOR_VERSION(PNG_TRANSLATOR_VERSION)), 43 int(B_TRANSLATION_MINOR_VERSION(PNG_TRANSLATOR_VERSION)), 44 int(B_TRANSLATION_REVISION_VERSION(PNG_TRANSLATOR_VERSION)), 45 __DATE__); 46 BStringView *versionView = new BStringView("version", version); 47 48 BStringView *copyrightView = new BStringView( 49 "Copyright", B_UTF8_COPYRIGHT "2003-2018 Haiku Inc."); 50 51 // setup PNG interlace options 52 53 fInterlaceMenu = new BPopUpMenu(B_TRANSLATE("Interlace Option")); 54 BMenuItem* item = new BMenuItem(B_TRANSLATE("None"), 55 _InterlaceMessage(PNG_INTERLACE_NONE)); 56 if (fSettings->SetGetInt32(PNG_SETTING_INTERLACE) == PNG_INTERLACE_NONE) 57 item->SetMarked(true); 58 fInterlaceMenu->AddItem(item); 59 60 item = new BMenuItem("Adam7", _InterlaceMessage(PNG_INTERLACE_ADAM7)); 61 if (fSettings->SetGetInt32(PNG_SETTING_INTERLACE) == PNG_INTERLACE_ADAM7) 62 item->SetMarked(true); 63 fInterlaceMenu->AddItem(item); 64 65 BMenuField* menuField = new BMenuField("PNG Interlace Menu", 66 B_TRANSLATE("Interlacing type:"), fInterlaceMenu); 67 menuField->SetDivider(menuField->StringWidth(menuField->Label()) + 7.0f); 68 menuField->ResizeToPreferred(); 69 70 BString pngCopyright = png_get_copyright(NULL); 71 pngCopyright.ReplaceLast("\n", ""); 72 BStringView* pngCopyrightView = new BStringView( 73 "PNG copyright", pngCopyright); 74 75 BLayoutBuilder::Group<>(this, B_VERTICAL, 0) 76 .SetInsets(B_USE_DEFAULT_SPACING) 77 .Add(titleView) 78 .Add(versionView) 79 .Add(copyrightView) 80 .AddGlue() 81 .AddGroup(B_HORIZONTAL) 82 .Add(menuField) 83 .AddGlue() 84 .End() 85 .AddGlue() 86 .Add(pngCopyrightView); 87 } 88 89 90 PNGView::~PNGView() 91 { 92 fSettings->Release(); 93 } 94 95 96 BMessage * 97 PNGView::_InterlaceMessage(int32 kind) 98 { 99 BMessage* message = new BMessage(M_PNG_SET_INTERLACE); 100 message->AddInt32(PNG_SETTING_INTERLACE, kind); 101 102 return message; 103 } 104 105 106 void 107 PNGView::AttachedToWindow() 108 { 109 BView::AttachedToWindow(); 110 111 // set target for interlace options menu items 112 fInterlaceMenu->SetTargetForItems(this); 113 } 114 115 116 void 117 PNGView::MessageReceived(BMessage *message) 118 { 119 if (message->what == M_PNG_SET_INTERLACE) { 120 // change setting for interlace option 121 int32 option; 122 if (message->FindInt32(PNG_SETTING_INTERLACE, &option) == B_OK) { 123 fSettings->SetGetInt32(PNG_SETTING_INTERLACE, &option); 124 fSettings->SaveSettings(); 125 } 126 } else 127 BView::MessageReceived(message); 128 } 129 130