// Draws the data in a new window.
void ImageData::Display() const {
#ifndef GRAPHICS_DISABLED
const int kTextSize = 64;
// Draw the image.
Pix* pix = GetPix();
if (pix == NULL) return;
int width = pixGetWidth(pix);
int height = pixGetHeight(pix);
ScrollView* win = new ScrollView("Imagedata", 100, 100,
2 * (width + 2 * kTextSize),
2 * (height + 4 * kTextSize),
width + 10, height + 3 * kTextSize, true);
win->Image(pix, 0, height - 1);
pixDestroy(&pix);
// Draw the boxes.
win->Pen(ScrollView::RED);
win->Brush(ScrollView::NONE);
win->TextAttributes("Arial", kTextSize, false, false, false);
for (int b = 0; b < boxes_.size(); ++b) {
boxes_[b].plot(win);
win->Text(boxes_[b].left(), height + kTextSize, box_texts_[b].string());
TBOX scaled(boxes_[b]);
scaled.scale(256.0 / height);
scaled.plot(win);
}
// The full transcription.
win->Pen(ScrollView::CYAN);
win->Text(0, height + kTextSize * 2, transcription_.string());
// Add the features.
win->Pen(ScrollView::GREEN);
win->Update();
window_wait(win);
#endif
}
// Create a window and display the projection in it.
void TextlineProjection::DisplayProjection() const {
#ifndef GRAPHICS_DISABLED
int width = pixGetWidth(pix_);
int height = pixGetHeight(pix_);
Pix* pixc = pixCreate(width, height, 32);
int src_wpl = pixGetWpl(pix_);
int col_wpl = pixGetWpl(pixc);
uint32_t* src_data = pixGetData(pix_);
uint32_t* col_data = pixGetData(pixc);
for (int y = 0; y < height; ++y, src_data += src_wpl, col_data += col_wpl) {
for (int x = 0; x < width; ++x) {
int pixel = GET_DATA_BYTE(src_data, x);
l_uint32 result;
if (pixel <= 17)
composeRGBPixel(0, 0, pixel * 15, &result);
else if (pixel <= 145)
composeRGBPixel(0, (pixel - 17) * 2, 255, &result);
else
composeRGBPixel((pixel - 145) * 2, 255, 255, &result);
col_data[x] = result;
}
}
ScrollView* win = new ScrollView("Projection", 0, 0,
width, height, width, height);
win->Image(pixc, 0, 0);
win->Update();
pixDestroy(&pixc);
#endif // GRAPHICS_DISABLED
}
// Draws the data in a new window.
void ImageData::Display() const {
const int kTextSize = 64;
int x_max, y_max;
WordFeature::ComputeSize(features_, &x_max, &y_max);
ScrollView* win = new ScrollView("Imagedata", 100, 100,
2 * (x_max + 2 * kTextSize),
2 * (y_max + 4 * kTextSize),
x_max + 10, y_max + 3 * kTextSize, true);
// Draw the image.
Pix* pix = GetPix();
int height = 256;
if (pix != NULL) {
height = pixGetHeight(pix);
win->Image(pix, 0, height - 1);
pixDestroy(&pix);
}
// Draw the boxes.
win->Pen(ScrollView::RED);
win->Brush(ScrollView::NONE);
win->TextAttributes("Arial", kTextSize, false, false, false);
for (int b = 0; b < boxes_.size(); ++b) {
boxes_[b].plot(win);
win->Text(boxes_[b].left(), y_max + kTextSize, box_texts_[b].string());
TBOX scaled(boxes_[b]);
scaled.scale(256.0 / height);
scaled.plot(win);
}
// The full transcription.
win->Pen(ScrollView::CYAN);
win->Text(0, y_max + kTextSize * 2, transcription_.string());
// Add the features.
win->Pen(ScrollView::GREEN);
WordFeature::Draw(features_, win);
win->Update();
window_wait(win);
}
