xref: /haiku/src/apps/resedit/ImageEditor.cpp (revision 68ea01249e1e2088933cb12f9c28d4e5c5d1c9ef)
1 /*
2  * Copyright (c) 2005-2010, Haiku, Inc.
3  * Distributed under the terms of the MIT license.
4  *
5  * Author:
6  *		DarkWyrm <darkwyrm@gmail.com>
7  */
8 #include "BitmapView.h"
9 #include "InternalEditors.h"
10 #include "ResourceData.h"
11 
12 #include <DataIO.h>
13 #include <TranslationUtils.h>
14 
15 #define M_IMAGE_CHANGED 'imch'
16 
17 ImageEditor::ImageEditor(const BRect &frame, ResourceData *data, BHandler *owner)
18   :	Editor(frame, data, owner)
19 {
20 	SetFlags(Flags()  | B_NOT_RESIZABLE | B_NOT_ZOOMABLE);
21 	SetTitle(data->GetName());
22 
23 	// Set up the image and the viewer for such
24 	BMemoryIO memio(data->GetData(), data->GetLength());
25 	fImage = BTranslationUtils::GetBitmap(&memio);
26 
27 	BRect imgsize;
28 	if (fImage)
29 		imgsize = ScaleRectToFit(fImage->Bounds(), BRect(0, 0, 200, 200));
30 	else
31 		imgsize.Set(0, 0, 200, 200);
32 
33 	BView *back = new BView(Bounds(), "back", B_FOLLOW_ALL, B_WILL_DRAW);
34 	back->SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
35 	AddChild(back);
36 
37 	BRect r;
38 
39 	float labelwidth = be_plain_font->StringWidth("ID: ");
40 	float strwidth = be_plain_font->StringWidth("(attr) ");
41 
42 	font_height fh;
43 	be_plain_font->GetHeight(&fh);
44 	float strheight = fh.ascent + fh.descent + fh.leading + 5;
45 
46 	fIDBox = new BTextControl(BRect(10, 10, 10 + (strwidth + labelwidth) + 15,
47 									10 + strheight),
48 							  "id", "ID: ", data->GetIDString(), NULL);
49 	fIDBox->SetDivider(labelwidth + 5);
50 	back->AddChild(fIDBox);
51 
52 	r = fIDBox->Frame();
53 	r.OffsetBy(r.Width() + 10, 0);
54 	r.right = Bounds().right - 10;
55 	fNameBox = new BTextControl(r, "name", "Name: ", data->GetName(), NULL,
56 								B_FOLLOW_LEFT_RIGHT | B_FOLLOW_TOP);
57 	fNameBox->SetDivider(be_plain_font->StringWidth("Name: ") + 5);
58 	back->AddChild(fNameBox);
59 
60 	r = imgsize;
61 
62 	r.OffsetTo( (Bounds().Width() - r.Width()) / 2, fNameBox->Frame().bottom + 10);
63 	fImageView = new BitmapView(r, "imageview", new BMessage(M_IMAGE_CHANGED), fImage,
64 								NULL, B_PLAIN_BORDER, B_FOLLOW_NONE,
65 								B_WILL_DRAW | B_FRAME_EVENTS);
66 	back->AddChild(fImageView);
67 	fImageView->SetConstrainDrops(false);
68 
69 	// No limit on bitmap size
70 	fImageView->SetMaxBitmapSize(0, 0);
71 	fImageView->SetBitmapRemovable(false);
72 
73 	fOK = new BButton(BRect(10, 10, 11, 11), "ok", "Cancel", new BMessage(M_UPDATE_RESOURCE),
74 					  B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
75 	fOK->ResizeToPreferred();
76 	fOK->SetLabel("OK");
77 	fOK->MakeDefault(true);
78 	back->AddChild(fOK);
79 
80 	fOK->MoveTo(Bounds().right - fOK->Bounds().Width() - 10,
81 				Bounds().bottom - fOK->Bounds().Height() - 10);
82 	r = fOK->Frame();
83 
84 	r.OffsetBy(-r.Width() - 10, 0);
85 	fCancel = new BButton(r, "cancel", "Cancel", new BMessage(B_QUIT_REQUESTED),
86 					  B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
87 	back->AddChild(fCancel);
88 
89 	ResizeTo(MAX(fImageView->Frame().right, fNameBox->Frame().right) + 20,
90 			fImageView->Frame().bottom + fOK->Frame().Height() + 20);
91 
92 	SetSizeLimits(Bounds().right, 30000, Bounds().bottom, 30000);
93 }
94 
95 
96 ImageEditor::~ImageEditor(void)
97 {
98 	delete fImage;
99 }
100 
101 
102 void
103 ImageEditor::MessageReceived(BMessage *msg)
104 {
105 	if (msg->WasDropped()) {
106 		fImageView->MessageReceived(msg);
107 	} else if (msg->what == M_IMAGE_CHANGED) {
108 		fImage = fImageView->GetBitmap();
109 		BRect r = ScaleRectToFit(fImage->Bounds(), BRect(0, 0, 200, 200));
110 		fImageView->ResizeTo(r.Width(), r.Height());
111 		ResizeTo(MAX(fImageView->Frame().right, fNameBox->Frame().right) + 20,
112 				fImageView->Frame().bottom + fOK->Frame().Height() + 20);
113 	} else
114 		BWindow::MessageReceived(msg);
115 }
116 
117 
118 void
119 ImageEditor::FrameResized(float w, float h)
120 {
121 	fImageView->MoveTo( (w - fImageView->Bounds().Width()) / 2,
122 						fNameBox->Frame().bottom + 10);
123 }
124