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https://github.com/tesseract-ocr/tesseract.git
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da41b96f7f
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@624 d0cd1f9f-072b-0410-8dd7-cf729c803f20
40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
// Copyright 2006 Google Inc. All Rights Reserved.
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// Author: <rays@google.com> (Ray Smith)
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//
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#ifdef HAVE_CONFIG_H
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#include "config_auto.h"
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#endif
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#include "allheaders.h"
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#include "svshowim.h"
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#include "scrollview.h"
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// Override of a tesseract function to display an image in a window.
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// This function redirects the display to ScrollView instead of the
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// stubbed-out functions in tesseract.
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void sv_show_sub_image(IMAGE* source, // Image to show.
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inT32 xstart, // Start image coords.
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inT32 ystart,
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inT32 xext, // Size of rectangle to show.
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inT32 yext,
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ScrollView* window, // Window to draw in.
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inT32 xpos, // Place to show bottom-left.
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inT32 ypos) { // Y position.
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Pix* pix;
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if (xstart != 0 || ystart != 0 ||
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xext != source->get_xsize() || yext != source->get_ysize()) {
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IMAGE sub_im;
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sub_im.create(xext, yext, source->get_bpp());
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copy_sub_image(source, xstart, ystart, xext, yext, &sub_im, 0, 0, false);
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pix = sub_im.ToPix();
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} else {
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pix = source->ToPix();
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}
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window->Image(pix, xpos, window->TranslateYCoordinate(yext) + ypos);
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pixDestroy(&pix);
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}
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