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// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2007 Novell, Inc. (http://www.novell.com)
//
// Authors:
// Jackson Harper (jackson@ximian.com)
//
using System;
using System.IO;
using System.Drawing;
namespace System.Windows.Forms.RTF {
internal class Picture {
private Minor image_type;
private Image image;
private MemoryStream data;
private float width = -1;
private float height = -1;
private readonly static float dpix;
static Picture ()
{
dpix = TextRenderer.GetDpi ().Width;
}
public Picture ()
{
}
public Minor ImageType {
get { return image_type; }
set { image_type = value; }
}
public MemoryStream Data {
get {
if (data == null)
data = new MemoryStream ();
return data;
}
}
public float Width {
get {
float w = width;
if (w == -1) {
if (image == null)
image = ToImage ();
w = image.Width;
}
return w;
}
}
public float Height {
get {
float h = height;
if (h == -1) {
if (image == null)
image = ToImage ();
h = image.Height;
}
return h;
}
}
public SizeF Size {
get {
return new SizeF (Width, Height);
}
}
public void SetWidthFromTwips (int twips)
{
width = (int) (((float) twips / 1440.0F) * dpix + 0.5F);
}
public void SetHeightFromTwips (int twips)
{
height = (int) (((float) twips / 1440.0F) * dpix + 0.5F);
}
//
// Makes sure that we got enough information to actually use the image
//
public bool IsValid ()
{
if (data == null)
return false;
switch (image_type) {
case Minor.PngBlip:
case Minor.WinMetafile:
break;
default:
return false;
}
return true;
}
public void DrawImage (Graphics dc, float x, float y, bool selected)
{
if (image == null)
image = ToImage ();
float height = this.height;
float width = this.width;
if (height == -1)
height = image.Height;
if (width == -1)
width = image.Width;
dc.DrawImage (image, x, y, width, height);
}
public Image ToImage ()
{
// Reset the data stream position to the beginning
data.Position = 0;
return Image.FromStream (data);
}
}
}
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