public static Bitmap[][] GetLetters(Bitmap source, Rectangle textRec, Size letterSize, Size letterBorder)
{
int rows = (textRec.Height - letterSize.Height) / (letterSize.Height + letterBorder.Height) + 1;
int cols = (textRec.Width - letterSize.Width) / (letterSize.Width - letterBorder.Width) + 1;
Bitmap[][] bitmaps = new Bitmap[rows][];
int xIndex = 0;
int yIndex = 0;
for (int y = 0; y + letterSize.Height <= textRec.Height; y += letterSize.Height + letterBorder.Height)
{
bitmaps[yIndex] = new Bitmap[cols];
xIndex = 0;
for (int x = 0; x + letterSize.Width <= textRec.Width; x += letterSize.Width + letterBorder.Width)
{
bitmaps[yIndex][xIndex] = OutputOCR.CropImage(source, new Rectangle(x, y, letterSize.Width, letterSize.Height));
xIndex++;
}
yIndex++;
}
return(bitmaps);
}
private void pbImage_MouseDown(object sender, MouseEventArgs e)
{
Bitmap bm = new Bitmap(pbImage.Image);
nudPixelX.Value = e.X;
nudPixelY.Value = e.Y;
plColor.BackColor = bm.GetPixel(e.X, e.Y);
pbPreview.Image = OutputOCR.CropImage(bm, new Rectangle(e.X - 11, e.Y - 11, 21, 21));
PreviewColorDif();
}
private void btnSave_Click(object sender, EventArgs e)
{
Rectangle textRec = new Rectangle((int)nudImageX.Value, (int)nudImageY.Value, (int)nudImageWidth.Value, (int)nudImageHeight.Value);
Size letterSize = new Size((int)nudLetterWidth.Value, (int)nudLetterHeight.Value);
Size letterBorder = new Size((int)nudLetterBorderX.Value, (int)nudLetterBorderY.Value);
OutputOCR = new OutputOCR(textRec, cbImageEditGray.Checked,
(float)nudImageEditContrast.Value, (int)nudImageEditSizeFactor.Value,
cbLetterSpacingActive.Checked, letterSize, letterBorder);
DialogResult = DialogResult.OK;
}
private Output ReadJSONOutput(dynamic json)
{
if (json.Count == 0)
{
return(null);
}
Output returnOutput = null;
switch ((string)json.type)
{
case "outputOCR":
Rectangle textRec = new Rectangle((int)json.x, (int)json.y, (int)json.width, (int)json.height);
Size letterSize = new Size((int)json.letterWidth, (int)json.letterHeight);
Size letterBorder = new Size((int)json.letterBorderX, (int)json.letterBorderY);
returnOutput = new OutputOCR(textRec, (bool)json.grayscale, (float)json.contrast, (int)json.scale, (bool)json.letterSpacingActive, letterSize, letterBorder);
break;
case "outputStaticText":
returnOutput = new OutputStaticText((string)json.value);
break;
case "outputAddition":
returnOutput = new OutputAddition(ReadJSONOutput(json.output1), ReadJSONOutput(json.output2), this);
break;
case "outputSubstract":
returnOutput = new OutputSubstract(ReadJSONOutput(json.output1), ReadJSONOutput(json.output2), this);
break;
case "outputMultiply":
returnOutput = new OutputMultiply(ReadJSONOutput(json.output1), ReadJSONOutput(json.output2), this);
break;
case "outputDivide":
returnOutput = new OutputDivide(ReadJSONOutput(json.output1), ReadJSONOutput(json.output2), this);
break;
case "outputVariable":
returnOutput = new OutputVariable((string)json.name, this);
break;
}
return(returnOutput);
}
public FormOCRHelper(OutputOCR conditionOCR)
{
InitializeComponent();
OutputOCR = conditionOCR;
nudImageX.Value = OutputOCR.TextRectangle.X;
nudImageY.Value = OutputOCR.TextRectangle.Y;
nudImageWidth.Value = Math.Max(1, OutputOCR.TextRectangle.Width);
nudImageHeight.Value = Math.Max(1, OutputOCR.TextRectangle.Height);
cbImageEditGray2.Checked = OutputOCR.TextGray;
nudImageEditContrast.Value = (decimal)OutputOCR.TextContrast;
nudImageEditSizeFactor.Value = Math.Max(1, OutputOCR.TextScale);
rbLettersActive.Checked = OutputOCR.LetterSpacingActive;
rbLettersDeavtive.Checked = !OutputOCR.LetterSpacingActive;
nudLetterWidth.Value = Math.Max(1, OutputOCR.LetterSize.Width);
nudLetterHeight.Value = Math.Max(1, OutputOCR.LetterSize.Height);
nudLetterBorderX.Value = OutputOCR.LetterBorder.Width;
nudLetterBorderY.Value = OutputOCR.LetterBorder.Height;
}
private void llOCRHelper_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
FormOCRHelper frm = new FormOCRHelper(OutputOCR);
if (frm.ShowDialog() == DialogResult.OK)
{
OutputOCR = frm.OutputOCR;
nudImageX.Value = OutputOCR.TextRectangle.X;
nudImageY.Value = OutputOCR.TextRectangle.Y;
nudImageWidth.Value = OutputOCR.TextRectangle.Width;
nudImageHeight.Value = OutputOCR.TextRectangle.Height;
cbImageEditGray.Checked = OutputOCR.TextGray;
nudImageEditContrast.Value = (decimal)OutputOCR.TextContrast;
nudImageEditSizeFactor.Value = OutputOCR.TextScale;
cbLetterSpacingActive.Checked = OutputOCR.LetterSpacingActive;
nudLetterWidth.Value = OutputOCR.LetterSize.Width;
nudLetterHeight.Value = OutputOCR.LetterSize.Height;
nudLetterBorderX.Value = OutputOCR.LetterBorder.Width;
nudLetterBorderY.Value = OutputOCR.LetterBorder.Height;
}
}
public FormOCR(OutputOCR ocr)
{
InitializeComponent();
m_ocr = new TesseractEngine("./tessdata", "eng", EngineMode.TesseractAndCube);
m_ocr.SetVariable("tessedit_char_whitelist", "0123456789");
OutputOCR = ocr;
nudImageX.Value = ocr.TextRectangle.X;
nudImageY.Value = ocr.TextRectangle.Y;
nudImageWidth.Value = Math.Max(ocr.TextRectangle.Width, 1);
nudImageHeight.Value = Math.Max(ocr.TextRectangle.Height, 1);
cbImageEditGray.Checked = ocr.TextGray;
nudImageEditContrast.Value = (decimal)ocr.TextContrast;
nudImageEditSizeFactor.Value = Math.Max(ocr.TextScale, 4);
cbLetterSpacingActive.Checked = ocr.LetterSpacingActive;
nudLetterWidth.Value = Math.Max(ocr.LetterSize.Width, 1);
nudLetterHeight.Value = Math.Max(ocr.LetterSize.Height, 1);
nudLetterBorderX.Value = ocr.LetterBorder.Width;
nudLetterBorderY.Value = ocr.LetterBorder.Height;
}
