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2 changed files with 24 additions and 4 deletions

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+21
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@@ -8,6 +8,27 @@
// 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;
}
char expectedString[] = FILE_HEADER_STRING;
char actualString[BUFFER_SIZE];
rewind(file);
size_t bytesRead = fread(actualString, 1,27 , file); //Stores Bytes of start of File to actualString
if (bytesRead != 27){
return 0;} //Returns 0 if File is to short
actualString[27] = '\0';
if (strcmp(actualString, expectedString) != 0){
return 0;
}
else{
return 1;
}
}
// TODO Vervollständigen Sie die Funktion readImages unter Benutzung Ihrer Hilfsfunktionen
GrayScaleImageSeries *readImages(const char *path)
{
+3 -4
View File
@@ -23,8 +23,8 @@ Matrix createMatrix(unsigned int rows, unsigned int cols)
void clearMatrix(Matrix *matrix)
{
free(matrix.buffer);
matrix.buffer = NULL;
free(matrix->buffer);
matrix->buffer = NULL;
}
void setMatrixAt(MatrixType value, Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
@@ -55,8 +55,7 @@ Matrix add(const Matrix matrix1, const Matrix matrix2)
Matrix MatrixErgebnis = createMatrix(matrix1.rows, matrix1.cols); //Creating Result Matrix
if(matrix1.cols != matrix2.cols || matrix1.rows != matrix2.rows){
printf("Matrix dimensions do not match\n"); //Error Message if dimensions of Input Matrixes are not identical
clearMatrix(MatrixErgebnis);
MatrixErgebnis = NULL;
clearMatrix(&MatrixErgebnis);
return MatrixErgebnis;
}
else{