1 files changed, 41 insertions, 0 deletions
diff --git a/cpp/image.cpp b/cpp/image.cpp
new file mode 100644
index 0000000..63f0a08
--- /dev/null
+++ b/cpp/image.cpp
@@ -0,0 +1,41 @@
+#include <iostream>
+#include <leptonica/allheaders.h>
+#include <tesseract/baseapi.h>
+
+#include "../include/image.h"
+
+namespace image {
+void preprocessImage(Pix **image) {
+  Pix *temp;
+
+  // Scale
+  if (scaleFactor != 1) {
+    INLINE_IMAGE_PROC(pixScale(*image, scaleFactor, scaleFactor));
+  }
+
+  // Grayscale
+  if (pixGetDepth(*image) > 8) {
+    INLINE_IMAGE_PROC(pixConvertRGBToGray(
+        *image, grayscaleWeightRed, grayscaleWeightGreen, grayscaleWeightBlue));
+  }
+
+  // Contrast
+  pixContrastTRC(*image, *image, contrast);
+
+  // Sharpness
+  // INLINE_IMAGE_PROC(pixUnsharpMaskingGrayFast(*image, 1, sharpness, 1));
+  INLINE_IMAGE_PROC(pixUnsharpMasking(*image, 1, sharpness));
+}
+
+Pix *loadImage(const char *imagePath) {
+  Pix *image = pixRead(imagePath);
+  if (!image) {
+    std::cerr << "Could not load image " << imagePath << std::endl;
+    return nullptr;
+  }
+
+  preprocessImage(&image);
+
+  return image;
+}
+} // namespace image