mirror/tesseract
1
0
Fork 0
mirror of https://github.com/tesseract-ocr/tesseract.git synced 2025-01-18 14:41:36 +08:00
Code Issues Actions 10 Packages Projects Releases Wiki Activity

Turned on pdfrenderer functionality that needs leptonica 1.70

Browse Source 
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@1009 d0cd1f9f-072b-0410-8dd7-cf729c803f20
This commit is contained in:
theraysmith@gmail.com 2014-01-23 23:01:10 +00:00
parent afc440d9b5
commit 5b9a7e06eb
2 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
api/pdfrenderer.cpp
View File

@ -134,13 +134,14 @@ char* TessPDFRenderer::GetPDFTextObjects(TessBaseAPI* api,
x = line_x2 + t * (line_x2 - line_x1);
y = line_y2 + t * (line_y2 - line_y1);
}
word_length = sqrt(double(dist2(word_x1, word_y1, word_x2, word_y2)));
word_length = sqrt(static_cast<double>(dist2(word_x1, word_y1,
word_x2, word_y2)));
word_length = word_length * 72.0 / ppi;
x = x * 72 / ppi;
y = height - (y * 72.0 / ppi);
}
int pointsize;
int pointsize = 0;
if (res_it->IsAtBeginningOf(RIL_TEXTLINE)) {
// Calculate the rotation angle in the PDF cooordinate system,
// which has the origin in the bottom left. The Tesseract
@ -156,7 +157,8 @@ char* TessPDFRenderer::GetPDFTextObjects(TessBaseAPI* api,
// [ sin𝜃 cos𝜃 0 ] [ 0 1 0 ] [ 0 1 0 ]
// [ 0 0 1 ] [ 0 0 1 ] [ x y 1 ]
//
double theta = atan2(double(line_y1 - line_y2), double(line_x2 - line_x1));
double theta = atan2(static_cast<double>(line_y1 - line_y2),
static_cast<double>(line_x2 - line_x1));
double a, b, c, d;
a = cos(theta);
b = sin(theta);
@ -197,7 +199,7 @@ char* TessPDFRenderer::GetPDFTextObjects(TessBaseAPI* api,
pdf_str.add_str_double(" ", prec(y)); // .
pdf_str += (" Tm "); // Place cursor absolutely
} else {
double offset = sqrt(double(dist2(old_x, old_y, x, y)));
double offset = sqrt(static_cast<double>(dist2(old_x, old_y, x, y)));
pdf_str.add_str_double(" ", prec(offset)); // Delta x in pts
pdf_str.add_str_double(" ", 0); // Delta y in pts
pdf_str += (" Td "); // Relative moveto
@ -496,15 +498,14 @@ bool TessPDFRenderer::pixToPDFObj(Pix *pix, long int objnum,
char b0[kBasicBufSize];
char b1[kBasicBufSize * 2];
char b2[kBasicBufSize];
L_COMP_DATA *cid;
int encoding_type;
const int kJpegQuality = 85;
if (selectDefaultPdfEncoding(pix, &encoding_type) != 0)
return false;
#if 0
const int kJpegQuality = 85;
L_COMP_DATA *cid;
if (pixGenerateCIData(pix, encoding_type, kJpegQuality, 0, &cid) != 0)
return false;
#endif
const char *filter;
switch(encoding_type) {
case L_FLATE_ENCODE:
@ -520,8 +521,7 @@ bool TessPDFRenderer::pixToPDFObj(Pix *pix, long int objnum,
return false;
}
const char *colorspace = "/DeviceColor";
#if 0
const char *colorspace;
if (cid->ncolors > 0) {
snprintf(b0, sizeof(b0), "[ /Indexed /DeviceRGB %d %s ]",
cid->ncolors - 1, cid->cmapdatahex);
@ -538,6 +538,7 @@ bool TessPDFRenderer::pixToPDFObj(Pix *pix, long int objnum,
return false;
}
}
snprintf(b1, sizeof(b1),
"%ld 0 obj\n"
"<<\n"
@ -572,7 +573,6 @@ bool TessPDFRenderer::pixToPDFObj(Pix *pix, long int objnum,
memcpy(*pdf_object, b1, b1_len);
memcpy(*pdf_object + b1_len, cid->datacomp, cid->nbytescomp);
memcpy(*pdf_object + b1_len + cid->nbytescomp, b2, b2_len);
#endif
return true;
}