src/apps/resedit/ImageEditor.cpp

   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 }