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Format whitespace
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(issue #8)
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@LordBenjamin
LordBenjamin committed Jan 17, 2019
1 parent 4847085 commit a5c05dc
Showing 1 changed file with 125 additions and 125 deletions.
250 changes: 125 additions & 125 deletions src/Samples/Sample 02 - Multipaged bitmaps/Program.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,137 +5,137 @@

namespace Sample02
{
class Program
{
static void Main(string[] args)
{
class Program
{
static void Main(string[] args)
{
NativeLibraryLoader.CopyFreeImageNativeDll();

// Check if FreeImage.dll is available (can be in %path%).
FreeImage.ValidateAvailability();

Sample sample = new Sample();
sample.Example();
sample.Example();

Console.ReadKey();
}
}

public class Sample
{
const string fileName = @"multipaged.tif";
FIMULTIBITMAP dib = new FIMULTIBITMAP();
Random rand = new Random();

public void Example()
{
if (!File.Exists(fileName))
{
Console.WriteLine("File not found. Aborting.");
return;
}

// Load the multipaged bitmap.
// 'OpenMultiBitmapEx' tries to find the correct file format, loads the bitmap
// with default options, with write support and does not use caching.
dib = FreeImage.OpenMultiBitmapEx(fileName);

// Check whether loading succeeded.
if (dib.IsNull)
{
Console.WriteLine("File could not be loaded. Aborting.");
return;
}

// Get the number of bitmaps the multipaged bitmap contains.
int count = FreeImage.GetPageCount(dib);

// Multipaged bitmaps consist of multiple single FIBITMAPs
FIBITMAP page = new FIBITMAP();

// There are bitmaps we can work with.
if (count > 0)
{
// Lock a random bitmap to work with.
page = FreeImage.LockPage(dib, rand.Next(0, count));
}

// Check whether locking succeeded.
if (page.IsNull)
{
// Locking failed. Unload the bitmap and return.
FreeImage.CloseMultiBitmapEx(ref dib);
return;
}

// Get a list of locked pages. This can be usefull to check whether a page has already been locked.
int[] lockedPages = FreeImage.GetLockedPages(dib);

// Lets modify the page.
if (FreeImage.AdjustGamma(page, 2d))
{
Console.WriteLine("Successfully changed gamma of page {0}.", lockedPages[0]);
}
else
{
Console.WriteLine("Failed to adjust gamma ...");
}

// Print out the list of locked pages
foreach (int i in lockedPages)
Console.WriteLine("Page {0} is locked.", i);

// Use 'UnlockPage' instead of 'Unload' to free the page. Set the third parameter to 'true'
// so that FreeImage can store the changed page within the multipaged bitmap.
FreeImage.UnlockPage(dib, page, true);

// Retieve the list again to see whether unlocking succeeded.
lockedPages = FreeImage.GetLockedPages(dib);

// No output should be produced here.
foreach (int i in lockedPages)
Console.WriteLine("Page {0} is still locked.", i);

// If there are more than one page we can swap them
if (count > 1)
{
if (!FreeImage.MovePage(dib, 1, 0))
{
Console.WriteLine("Swapping pages failed.");
}
}

if (count > 2)
{
// Lock page 2
page = FreeImage.LockPage(dib, 2);
if (!page.IsNull)
{
// Clone the page for later appending
FIBITMAP temp = FreeImage.Clone(page);

// Unlock the page again
FreeImage.UnlockPage(dib, page, false);

// Delete the page form the multipaged bitmap
FreeImage.DeletePage(dib, 2);

// Append the clone again
FreeImage.AppendPage(dib, temp);

// Check whether the number of pages is still the same
Console.WriteLine("Pages before: {0}. Pages after: {1}", count, FreeImage.GetPageCount(dib));

// Unload clone to prevent memory leak
FreeImage.UnloadEx(ref temp);
}
}

// We are done and close the multipaged bitmap.
if (!FreeImage.CloseMultiBitmapEx(ref dib))
{
Console.WriteLine("Closing bitmap failed!");
}
}
}
}
}

public class Sample
{
const string fileName = @"multipaged.tif";
FIMULTIBITMAP dib = new FIMULTIBITMAP();
Random rand = new Random();

public void Example()
{
if (!File.Exists(fileName))
{
Console.WriteLine("File not found. Aborting.");
return;
}

// Load the multipaged bitmap.
// 'OpenMultiBitmapEx' tries to find the correct file format, loads the bitmap
// with default options, with write support and does not use caching.
dib = FreeImage.OpenMultiBitmapEx(fileName);

// Check whether loading succeeded.
if (dib.IsNull)
{
Console.WriteLine("File could not be loaded. Aborting.");
return;
}

// Get the number of bitmaps the multipaged bitmap contains.
int count = FreeImage.GetPageCount(dib);

// Multipaged bitmaps consist of multiple single FIBITMAPs
FIBITMAP page = new FIBITMAP();

// There are bitmaps we can work with.
if (count > 0)
{
// Lock a random bitmap to work with.
page = FreeImage.LockPage(dib, rand.Next(0, count));
}

// Check whether locking succeeded.
if (page.IsNull)
{
// Locking failed. Unload the bitmap and return.
FreeImage.CloseMultiBitmapEx(ref dib);
return;
}

// Get a list of locked pages. This can be usefull to check whether a page has already been locked.
int[] lockedPages = FreeImage.GetLockedPages(dib);

// Lets modify the page.
if (FreeImage.AdjustGamma(page, 2d))
{
Console.WriteLine("Successfully changed gamma of page {0}.", lockedPages[0]);
}
else
{
Console.WriteLine("Failed to adjust gamma ...");
}

// Print out the list of locked pages
foreach (int i in lockedPages)
Console.WriteLine("Page {0} is locked.", i);

// Use 'UnlockPage' instead of 'Unload' to free the page. Set the third parameter to 'true'
// so that FreeImage can store the changed page within the multipaged bitmap.
FreeImage.UnlockPage(dib, page, true);

// Retieve the list again to see whether unlocking succeeded.
lockedPages = FreeImage.GetLockedPages(dib);

// No output should be produced here.
foreach (int i in lockedPages)
Console.WriteLine("Page {0} is still locked.", i);

// If there are more than one page we can swap them
if (count > 1)
{
if (!FreeImage.MovePage(dib, 1, 0))
{
Console.WriteLine("Swapping pages failed.");
}
}

if (count > 2)
{
// Lock page 2
page = FreeImage.LockPage(dib, 2);
if (!page.IsNull)
{
// Clone the page for later appending
FIBITMAP temp = FreeImage.Clone(page);

// Unlock the page again
FreeImage.UnlockPage(dib, page, false);

// Delete the page form the multipaged bitmap
FreeImage.DeletePage(dib, 2);

// Append the clone again
FreeImage.AppendPage(dib, temp);

// Check whether the number of pages is still the same
Console.WriteLine("Pages before: {0}. Pages after: {1}", count, FreeImage.GetPageCount(dib));

// Unload clone to prevent memory leak
FreeImage.UnloadEx(ref temp);
}
}

// We are done and close the multipaged bitmap.
if (!FreeImage.CloseMultiBitmapEx(ref dib))
{
Console.WriteLine("Closing bitmap failed!");
}
}
}
}

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