juce/source/extras/Introjucer/Source/Application/jucer_FilePreviewComponent.cpp

   1 /*
   2   ==============================================================================
   3
   4    This file is part of the JUCE library - "Jules' Utility Class Extensions"
   5    Copyright 2004-10 by Raw Material Software Ltd.
   6
   7   ------------------------------------------------------------------------------
   8
   9    JUCE can be redistributed and/or modified under the terms of the GNU General
  10    Public License (Version 2), as published by the Free Software Foundation.
  11    A copy of the license is included in the JUCE distribution, or can be found
  12    online at www.gnu.org/licenses.
  13
  14    JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
  15    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  16    A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  17
  18   ------------------------------------------------------------------------------
  19
  20    To release a closed-source product which uses JUCE, commercial licenses are
  21    available: visit www.rawmaterialsoftware.com/juce for more information.
  22
  23   ==============================================================================
  24 */
  25
  26 #include "../jucer_Headers.h"
  27 #include "jucer_FilePreviewComponent.h"
  28
  29
  30 //==============================================================================
  31 ItemPreviewComponent::ItemPreviewComponent (const File& file_)
  32     : file (file_)
  33 {
  34     tryToLoadImage();
  35 }
  36
  37 void ItemPreviewComponent::tryToLoadImage()
  38 {
  39     facts.clear();
  40     facts.add (file.getFullPathName());
  41     image = Image();
  42
  43     ScopedPointer <InputStream> input (file.createInputStream());
  44
  45     if (input != nullptr)
  46     {
  47         const int64 totalSize = input->getTotalLength();
  48         ImageFileFormat* format = ImageFileFormat::findImageFormatForStream (*input);
  49         input = nullptr;
  50
  51         String formatName;
  52         if (format != nullptr)
  53             formatName = " " + format->getFormatName();
  54
  55         image = ImageCache::getFromFile (file);
  56
  57         if (image.isValid())
  58             facts.add (String (image.getWidth()) + " x " + String (image.getHeight()) + formatName);
  59
  60         if (totalSize > 0)
  61             facts.add (File::descriptionOfSizeInBytes (totalSize));
  62     }
  63
  64     facts.removeEmptyStrings (true);
  65 }
  66
  67 void ItemPreviewComponent::paint (Graphics& g)
  68 {
  69     g.drawImageWithin (image, 2, 22, getWidth() - 4, getHeight() - 24,
  70                        RectanglePlacement::centred | RectanglePlacement::onlyReduceInSize,
  71                        false);
  72
  73     g.setFont (15.0f, Font::bold);
  74     g.setColour (Colours::white);
  75     g.drawMultiLineText (facts.joinIntoString ("\n"),
  76                          10, 15, getWidth() - 16);
  77 }