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last short fix for the day in imageInput.c

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= 2025-11-26 21:55:17 +01:00
parent 4d1908ed27
commit 419296af9e
1 changed files with 10 additions and 13 deletions
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23
imageInput.c
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@ -9,7 +9,7 @@
/// @brief Gets the next char value from specified and opened file /// @brief Gets the next char value from specified and opened file
/// @param openedFile stream FILE, from which to read /// @param openedFile stream FILE, from which to read
/// @param iterations how many chars are being taken from /// @param iterations how many chars are being taken from (1 char equals 2 Hexdecimals equals 8bit)
static int getCharValueFromFile(FILE* openedFile, int iterations) { static int getCharValueFromFile(FILE* openedFile, int iterations) {
int addToFile = 0; int addToFile = 0;
@ -56,7 +56,7 @@ GrayScaleImageSeries *readImages(const char *path)
if (fileTagEqual) { if (fileTagEqual) {
numberOfImages = getCharValueFromFile(openFile, 4); numberOfImages = getCharValueFromFile(openFile, 2);
// no Images in series -> No image-series // no Images in series -> No image-series
if (numberOfImages == 0) { if (numberOfImages == 0) {
@ -64,8 +64,8 @@ GrayScaleImageSeries *readImages(const char *path)
return series; return series;
} }
width = getCharValueFromFile(openFile, 4); width = getCharValueFromFile(openFile, 2);
height = getCharValueFromFile(openFile, 4); height = getCharValueFromFile(openFile, 2);
// no height/width --> impossible file // no height/width --> impossible file
if(height == 0 || width == 0) { if(height == 0 || width == 0) {
@ -73,7 +73,7 @@ GrayScaleImageSeries *readImages(const char *path)
return series; return series;
} }
//all the starting parameters are set --> the images can be read //all the starting parameters are set --> the images can be read and stored
GrayScaleImage* images = malloc(numberOfImages * sizeof(GrayScaleImage)); GrayScaleImage* images = malloc(numberOfImages * sizeof(GrayScaleImage));
unsigned char* labels = malloc(numberOfImages * sizeof(unsigned char)); unsigned char* labels = malloc(numberOfImages * sizeof(unsigned char));
@ -82,24 +82,22 @@ GrayScaleImageSeries *readImages(const char *path)
series->labels = labels; series->labels = labels;
for (int i = 0; i < numberOfImages; i++) { for (int i = 0; i < numberOfImages; i++) {
for (int j = 0; j < width * height; j++) { for (int j = 0; j < width * height; j++) {
//this needs to be reworked // allocating the actual matrix image for image
images[i].buffer = malloc(width * height); images[i].buffer = malloc(width * height);
images[i].height = height; images[i].height = height;
images[i].width = width; images[i].width = width;
images[i].buffer[j] = fgetc(openFile); images[i].buffer[j] = fgetc(openFile);
} }
//rest of the values that only affect the image itself
series->labels[i] = fgetc(openFile); series->labels[i] = fgetc(openFile);
series->count++; series->count++;
} }
} }
} }
fclose(openFile); fclose(openFile);
return series; return series;
} }
@ -107,10 +105,9 @@ GrayScaleImageSeries *readImages(const char *path)
void clearSeries(GrayScaleImageSeries *series) void clearSeries(GrayScaleImageSeries *series)
{ {
for (int i = 0; i < series->count; i++) { for (int i = 0; i < series->count; i++) {
for (int j = 0; j < series->images->height * series->images->width; j++) { free(series->images[i].buffer);
free(series->images[i].buffer[j]);
}
} }
free(series->images); free(series->images);
series->images = NULL; series->images = NULL;
free(series->labels); free(series->labels);