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Completed imageinput.c to the point that it does compile but doen't manage every test

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Tobias Grampp 2025-11-21 15:52:10 +01:00
parent 7168681f1d
commit c13c8bd6f6
1 changed files with 16 additions and 10 deletions
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26
imageInput.c
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@ -11,22 +11,23 @@
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
return 0;
} //Returns 0 if File is to short
actualString[27] = '\0';
if (strcmp(actualString, expectedString) != 0){
return 0;
}
return 0;
}
else{
return 1;
}
return 1;
}
}
void setParameters(FILE* file, unsigned int* imageCount, unsigned int* width, unsigned int* height);
@ -44,7 +45,11 @@ GrayScaleImageSeries *readImages(const char *path)
setParameters(file, imageCount, &(series->images->width), &(series->images->height));
allocateMemory(series, *imageCount, series->images->width, series->images->height);
//allocateMemoryLabels();
for(int i = (series->images->width * series->images->height) - 1; i <= 0; i--)
{
fread(&(series->images->buffer[i]), sizeof(GrayScalePixelType), 1, file);
}
fclose(file);
return series;
}
@ -69,13 +74,14 @@ void setParameters(FILE* file, unsigned int* imageCount, unsigned int* width, un
*imageCount = (int) buffer[0];
*width = (int) buffer[1];
*height = (int) buffer[2];
// TODO allocate memory for labels array (in imageInput.h)
// TODO read from file and write in 2d arry, write label in labels array, repeat for imageCount
// 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
}
// change this to createMatrix?
void allocateMemory(GrayScaleImageSeries* s, const int imageCount, const int width, const int height) {
for (int i = 0; i < imageCount; i++) {
s->images[i].buffer = (unsigned char *) malloc(width * height * sizeof(unsigned char)); // allocates memory for every image in the series
s->labels = malloc(width * height * sizeof(unsigned char));
}
}