public void FrontSequence_2x2()
{
var target = new YFlipBackSideTileIterator(2, 2);
target.IsInitial.ShouldBeTrue();
target.CurrentFrontPosition.RowIndex.ShouldBe(0);
target.CurrentFrontPosition.ColumnIndex.ShouldBe(0);
target.MoveForward();
target.IsInitial.ShouldBeFalse();
target.CurrentFrontPosition.RowIndex.ShouldBe(1);
target.CurrentFrontPosition.ColumnIndex.ShouldBe(0);
target.MoveForward();
target.CurrentFrontPosition.RowIndex.ShouldBe(0);
target.CurrentFrontPosition.ColumnIndex.ShouldBe(1);
target.MoveForward();
target.CurrentFrontPosition.RowIndex.ShouldBe(1);
target.CurrentFrontPosition.ColumnIndex.ShouldBe(1);
target.MoveForward();
target.IsInitial.ShouldBeTrue();
target.CurrentFrontPosition.RowIndex.ShouldBe(0);
target.CurrentFrontPosition.ColumnIndex.ShouldBe(0);
}
public void Initial_2x2()
{
var target = new YFlipBackSideTileIterator(2, 2);
target.IsInitial.ShouldBeTrue();
target.InitialFrontPosition.RowIndex.ShouldBe(0);
target.InitialFrontPosition.ColumnIndex.ShouldBe(0);
}
public void BackSequence_2x2()
{
var target = new YFlipBackSideTileIterator(2, 2);
target.CurrentBackPosition.RowIndex.ShouldBe(1);
target.CurrentBackPosition.ColumnIndex.ShouldBe(0);
target.MoveForward();
target.CurrentBackPosition.RowIndex.ShouldBe(0);
target.CurrentBackPosition.ColumnIndex.ShouldBe(0);
target.MoveForward();
target.CurrentBackPosition.RowIndex.ShouldBe(1);
target.CurrentBackPosition.ColumnIndex.ShouldBe(1);
target.MoveForward();
target.CurrentBackPosition.RowIndex.ShouldBe(0);
target.CurrentBackPosition.ColumnIndex.ShouldBe(1);
target.MoveForward();
target.CurrentBackPosition.RowIndex.ShouldBe(1);
target.CurrentBackPosition.ColumnIndex.ShouldBe(0);
}
public OutputFile Build(List <SourceFile> products)
{
ValidateProducts(products);
// impositioning algorithm:
// - define order of products (direct/reversed)
// - define order of product pages (direct/reversed)
// - create iterator (layout size, start point, direction)
// - define top-up algorithm
// for each product:
// store product start position
// for each next pages pair:
// - if iterator is in zero point, add new OutputPage (front & back)
// - get next tile position (front & back)
// - place page to tile of the OutputPage (front & back)
// - move iterator
// store product end position and number of tiles
// if top-up defined
// top-up last column (front & back)
// store number of waste tiles for the product
// if top-up defined
// top-up last OutputPage (front & back)
// add number of waste tiles to the waste of the last product
// todo: take imposition setting into account to choose an iterator
var iterator = new YFlipBackSideTileIterator(_layout.RowsCount, _layout.ColumnsCount) as IDuplexTileIterator;
var wasteCountPerProduct = new Dictionary <SourceFile, int>();
var outputPages = new List <OutputPage>();
OutputPage frontOutputPage = null;
OutputPage backOutputPage = null;
// direct order of products
foreach (var product in products)
{
wasteCountPerProduct[product] = 0;
// reversed order of product pages todo: strategy
for (var frontSourcePageIndex = product.Pages.Count - 2; frontSourcePageIndex >= 0; frontSourcePageIndex -= 2)
{
var frontSourcePage = product.Pages[frontSourcePageIndex];
var backSourcePage = product.Pages[frontSourcePageIndex + 1];
if (iterator.IsInitial)
{
frontOutputPage = new OutputPage {
Tiles = new OutputTileSet(_layout.RowsCount, _layout.ColumnsCount)
};
backOutputPage = new OutputPage {
Tiles = new OutputTileSet(_layout.RowsCount, _layout.ColumnsCount)
};
outputPages.Add(frontOutputPage);
outputPages.Add(backOutputPage);
}
var frontLayoutTile = _layout.Tiles.At(iterator.CurrentFrontPosition);
var frontTile = frontOutputPage.Tiles[iterator.CurrentFrontPosition];
frontTile.MediaBox = frontLayoutTile.MediaBox;
frontTile.CutBox = frontLayoutTile.CutBox;
frontTile.MediaRotationAngle = _imposition.MediaRotationAngle;
frontTile.SourceFilePath = product.FileName;
frontTile.SourcePage = frontSourcePage;
var backLayoutTile = _layout.Tiles.At(iterator.CurrentBackPosition);
var backTile = backOutputPage.Tiles[iterator.CurrentBackPosition];
backTile.MediaBox = backLayoutTile.MediaBox;
backTile.CutBox = backLayoutTile.CutBox;
backTile.MediaRotationAngle = _imposition.MediaRotationAngle;
backTile.SourceFilePath = product.FileName;
backTile.SourcePage = backSourcePage;
iterator.MoveForward();
}
// add waste to fill current column
while (iterator.CurrentFrontPosition.RowIndex != iterator.InitialFrontPosition.RowIndex)
{
var frontTile = frontOutputPage.Tiles[iterator.CurrentFrontPosition];
frontTile.SourceFilePath = product.FileName;
frontTile.SourcePage = null;
var backTile = backOutputPage.Tiles[iterator.CurrentBackPosition];
backTile.SourceFilePath = product.FileName;
backTile.SourcePage = null;
iterator.MoveForward();
}
}
// add waste to fill current page
while (iterator.CurrentFrontPosition.ColumnIndex != iterator.InitialFrontPosition.ColumnIndex)
{
var product = products.Last();
var frontTile = frontOutputPage.Tiles[iterator.CurrentFrontPosition];
frontTile.SourceFilePath = product.FileName;
frontTile.SourcePage = null;
var backTile = backOutputPage.Tiles[iterator.CurrentBackPosition];
backTile.SourceFilePath = product.FileName;
backTile.SourcePage = null;
iterator.MoveForward();
}
return(new OutputFile
{
SheetSize = _layout.SheetSize,
Pages = outputPages,
IsDuplex = true
});
}
