/**
* Test of ResultRenderer method, of class TessAPI1.
*
* @throws java.lang.Exception
*/
@Test
public void testResultRenderer() throws Exception {
logger.info("TessResultRenderer");
String image = String.format("%s/%s", this.testResourcesDataPath, "eurotext.tif");
String output = "capi-test.txt";
int set_only_init_params = TessAPI.FALSE;
int oem = TessOcrEngineMode.OEM_DEFAULT;
PointerByReference configs = null;
int configs_size = 0;
String[] params = {"load_system_dawg", "tessedit_char_whitelist"};
String vals[] = {"F", ""}; // 0123456789-.IThisalotfpnex
PointerByReference vars_vec = new PointerByReference();
vars_vec.setPointer(new StringArray(params));
PointerByReference vars_values = new PointerByReference();
vars_values.setPointer(new StringArray(vals));
NativeSize vars_vec_size = new NativeSize(params.length);
TessAPI1.TessBaseAPISetOutputName(handle, output);
int rc =
TessAPI1.TessBaseAPIInit4(
handle,
datapath,
language,
oem,
configs,
configs_size,
vars_vec,
vars_values,
vars_vec_size,
set_only_init_params);
if (rc != 0) {
TessAPI1.TessBaseAPIDelete(handle);
logger.error("Could not initialize tesseract.");
return;
}
String outputbase = "target/test-classes/test-results/outputbase1";
TessResultRenderer renderer = TessAPI1.TessHOcrRendererCreate(outputbase);
TessAPI1.TessResultRendererInsert(renderer, TessAPI1.TessBoxTextRendererCreate(outputbase));
TessAPI1.TessResultRendererInsert(renderer, TessAPI1.TessTextRendererCreate(outputbase));
String dataPath = TessAPI1.TessBaseAPIGetDatapath(handle);
TessAPI1.TessResultRendererInsert(
renderer, TessAPI1.TessPDFRendererCreate(outputbase, dataPath));
TessAPI1.TessResultRendererBeginDocument(renderer, image);
int result = TessAPI1.TessBaseAPIProcessPages(handle, image, null, 0, renderer);
TessAPI1.TessResultRendererEndDocument(renderer);
// if (result == FALSE) {
// logger.error("Error during processing.");
// return;
// }
for (; renderer != null; renderer = TessAPI1.TessResultRendererNext(renderer)) {
String ext = TessAPI1.TessResultRendererExtention(renderer).getString(0);
logger.info(
String.format(
"TessResultRendererExtention: %s\nTessResultRendererTitle: %s\nTessResultRendererImageNum: %d",
ext,
TessAPI1.TessResultRendererTitle(renderer).getString(0),
TessAPI1.TessResultRendererImageNum(renderer)));
}
TessAPI1.TessDeleteResultRenderer(renderer);
assertTrue(new File(outputbase + ".pdf").exists());
}
