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change rectangle drawing logic for tests

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support rotated output rectangles in the visual verification tests.
This commit is contained in:
Eliot Jones
2020-01-22 13:45:52 +00:00
parent 0ed4e58556
commit 3243be3ec5
1 changed files with 23 additions and 5 deletions
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28
src/UglyToad.PdfPig.Tests/Integration/VisualVerification/GenerateLetterBoundingBoxImages.cs
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@@ -3,6 +3,7 @@
using System; using System;
using System.Drawing; using System.Drawing;
using System.IO; using System.IO;
using PdfPig.Core;
using Xunit; using Xunit;
public class GenerateLetterBoundingBoxImages public class GenerateLetterBoundingBoxImages
@@ -104,21 +105,19 @@
var page = document.GetPage(1); var page = document.GetPage(1);
var violetPen = new Pen(Color.BlueViolet, 1); var violetPen = new Pen(Color.BlueViolet, 1);
var greenPen = new Pen(Color.GreenYellow, 1); var greenPen = new Pen(Color.Crimson, 1);
using (var bitmap = new Bitmap(image)) using (var bitmap = new Bitmap(image))
using (var graphics = Graphics.FromImage(bitmap)) using (var graphics = Graphics.FromImage(bitmap))
{ {
foreach (var word in page.GetWords()) foreach (var word in page.GetWords())
{ {
graphics.DrawRectangle(greenPen, new Rectangle((int)word.BoundingBox.Left, DrawRectangle(word.BoundingBox, graphics, greenPen, imageHeight);
imageHeight - (int)word.BoundingBox.Top, (int)word.BoundingBox.Width, (int)word.BoundingBox.Height));
} }
foreach (var letter in page.Letters) foreach (var letter in page.Letters)
{ {
graphics.DrawRectangle(violetPen, new Rectangle((int)letter.GlyphRectangle.Left, DrawRectangle(letter.GlyphRectangle, graphics, violetPen, imageHeight);
imageHeight - (int)(letter.GlyphRectangle.Bottom + letter.GlyphRectangle.Height), (int)Math.Max(1, letter.GlyphRectangle.Width), (int)letter.GlyphRectangle.Height));
} }
var imageName = $"{file}.jpg"; var imageName = $"{file}.jpg";
@@ -135,6 +134,25 @@
} }
} }
private static void DrawRectangle(PdfRectangle rectangle, Graphics graphics, Pen pen,
int imageHeight)
{
int GetY(PdfPoint p)
{
return imageHeight - (int) p.Y;
}
Point GetPoint(PdfPoint p)
{
return new Point((int)p.X, GetY(p));
}
graphics.DrawLine(pen, GetPoint(rectangle.BottomLeft), GetPoint(rectangle.BottomRight));
graphics.DrawLine(pen, GetPoint(rectangle.BottomRight), GetPoint(rectangle.TopRight));
graphics.DrawLine(pen, GetPoint(rectangle.TopRight), GetPoint(rectangle.TopLeft));
graphics.DrawLine(pen, GetPoint(rectangle.TopLeft), GetPoint(rectangle.BottomLeft));
}
private static Image GetCorrespondingImage(string filename) private static Image GetCorrespondingImage(string filename)
{ {
var pdf = GetFilename(filename); var pdf = GetFilename(filename);