private static Bitmap[] GenerateBitmaps(List <ChunkBase> chunkList, int pageCount)
{
var bitmaps = new Bitmap[pageCount];
if (chunkList.Count == 0)
{
return(bitmaps);
}
//var sizes = new SizeF[bitmaps.Length];
var widths = new float[bitmaps.Length];
var heights = new float[bitmaps.Length];
for (int i = 0; i < chunkList.Count; i++)
{
ChunkBase chunk = chunkList[i];
int index = chunk.PageIndex;
if (index >= bitmaps.Length) // this happens when chunks overflows of max pages.
{
continue;
}
float newWidth = chunk.LeftTop.X + chunk.Size.Width;
float newHeight = chunk.LeftTop.Y + chunk.Size.Height;
if (widths[index] < newWidth)
{
widths[index] = newWidth;
}
if (heights[index] < newHeight)
{
heights[index] = newHeight;
}
}
float maxWidth = 0.0f, maxHeight = 0.0f;
for (int i = 0; i < bitmaps.Length; i++)
{
if (maxWidth < widths[i])
{
maxWidth = widths[i];
}
if (maxHeight < heights[i])
{
maxHeight = heights[i];
}
}
int w = (int)Math.Ceiling(maxWidth);
int h = (int)Math.Ceiling(maxHeight);
for (int i = 0; i < bitmaps.Length; i++)
{
bitmaps[i] = new Bitmap(w, h);
}
return(bitmaps);
}
private static Bitmap[] GenerateBitmaps(List <ChunkBase> chunkList, PagesContext context)
{
List <Page> list = context.PageList;
var bitmaps = new Bitmap[list.Count];
if (chunkList.Count == 0)
{
return(bitmaps);
}
var sizes = new SizeF[list.Count];
for (int i = 0; i < chunkList.Count; i++)
{
ChunkBase chunk = chunkList[i];
if (chunk.PageIndex >= list.Count) // this happens when chunks overflows of max pages.
{
break;
}
int index = chunk.PageIndex;
sizes[index].Width += chunk.Size.Width;
sizes[index].Height = Math.Max(sizes[index].Height, chunk.Size.Height);
}
float maxWidth = 0.0f, maxHeight = 0.0f;
foreach (var size in sizes)
{
if (maxWidth < size.Width)
{
maxWidth = size.Width;
}
if (maxHeight < size.Height)
{
maxHeight = size.Height;
}
}
for (int i = 0; i < bitmaps.Length; i++)
{
var bmp = new Bitmap((int)maxWidth, (int)maxHeight);
bitmaps[i] = bmp;
}
return(bitmaps);
}
