imageInput.c

@@ -6,6 +6,8 @@
 #define BUFFER_SIZE 100
 #define FILE_HEADER_STRING "__info2_image_file_format__"
 
+// TODO Implementieren Sie geeignete Hilfsfunktionen für das Lesen der Bildserie aus einer Datei
+
 int checkString (FILE *file){ //Checks if String at the start of File equals expected Format (0 for wrong 1 for right)
 	if (file == NULL){ //returns 0 for empty file
 		return 0;
@@ -28,8 +30,9 @@ int checkString (FILE *file){ //Checks if String at the start of File equals exp
 	}	
 }
 
-static void setParameters(FILE* file, unsigned int* imageCount, unsigned int* width, unsigned int* height);
+void setParameters(FILE* file, unsigned int* imageCount, unsigned int* width, unsigned int* height);
-static int allocateMemory(GrayScaleImageSeries *series, const int imageCount, const int width, const int height);
+int allocateMemory(GrayScaleImageSeries *series, const int imageCount, const int width, const int height);
+// TODO Vervollständigen Sie die Funktion readImages unter Benutzung Ihrer Hilfsfunktionen
 
 
 GrayScaleImageSeries *readImages(const char *path)
@@ -39,7 +42,7 @@ GrayScaleImageSeries *readImages(const char *path)
         fclose(file);
 		return NULL;
     }
-
+	// TODO open binary file from file name
     unsigned int width, height; //uninitialised Variables, will be set by setparamters
 
 
@@ -60,12 +63,12 @@ GrayScaleImageSeries *readImages(const char *path)
         for(unsigned int j = 0; j < width * height; j++){ //Iterating for every pixel
 		fread(&(series->images[i].buffer[j]), sizeof(GrayScalePixelType), 1, file);
         }
-        fread(&(series->labels[i]), sizeof(unsigned char), 1, file); // TODO Added writing in labels array
 	}
 	fclose(file);
     return series;
 }
 
+// TODO Vervollständigen Sie die Funktion clearSeries, welche eine Bildserie vollständig aus dem Speicher freigibt
 void clearSeries(GrayScaleImageSeries *series)
 {
     if (!series)
@@ -82,26 +85,32 @@ void clearSeries(GrayScaleImageSeries *series)
     free(series); //Freeing Main Structure
 
 }
-static void setParameters(FILE* file, unsigned int* imageCount, unsigned int* width, unsigned int* height) { // sets the parameters
+void setParameters(FILE* file, unsigned int* imageCount, unsigned int* width, unsigned int* height) { // sets the parameters
 
-	unsigned short buffer[3];
+	char buffer[3];
 
 	fseek(file, 27, SEEK_SET);
-    if(fread(buffer, sizeof(unsigned short), 3, file) != 3){ // TODO changed some stuff here, used UNSIGNED SHORT instead of UNSIGNED CHAR!!
+	fread(buffer, 1, 3, file);
+    if(fread(buffer, 1, 3, file) != 3){
         *imageCount = 0;
         *width = 0;
         *height = 0;
-        return;
-    } //Stops if file is too short and clean up
 
-	*imageCount = (unsigned int) buffer[0];
 
-    *width = (unsigned int) buffer[1];
+        return;} //Stops if file is too short and clean up
 
-    *height = (unsigned int) buffer[2];
+	*imageCount = (int) buffer[0];
+
+
+    *width = (int) buffer[1];
+
+    *height = (int) buffer[2];
+	// TODO allocate memory for labels array (in imageInput.h) -> Done in allocate Memory
+	
+	// TODO read from file and write in 2d arry, write label in labels array, repeat for imageCount	-> done in readImages	
 }
 
-static int allocateMemory(GrayScaleImageSeries *series, const int imageCount, const int width, const int height) {
+int allocateMemory(GrayScaleImageSeries *series, const int imageCount, const int width, const int height) {
     series->count = imageCount; //counts number of images in series
 
     series->images = malloc (sizeof(GrayScaleImage) * imageCount); //Reserving Memory for Images Array

imageInputTests.c

@@ -50,7 +50,9 @@ void test_readImagesReturnsCorrectNumberOfImages(void)
     TEST_ASSERT_EQUAL_UINT16(expectedNumberOfImages, series->count);
 
     clearSeries(series);
+    printf("Test 1 BP5\n");
     remove(path);
+    printf("Test 1 BP6\n");
 }
 
 void test_readImagesReturnsCorrectImageWidth(void)
@@ -137,6 +139,7 @@ int main()
     
     printf("\n============================\nImage input tests\n============================\n");
     RUN_TEST(test_readImagesReturnsCorrectNumberOfImages);
+    printf("BP Check1 complete");
     RUN_TEST(test_readImagesReturnsCorrectImageWidth);
     RUN_TEST(test_readImagesReturnsCorrectImageHeight);
     RUN_TEST(test_readImagesReturnsCorrectLabels);