kohlerma104069/NeuronalesNetz_TMN
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noch probleme bei übergabe von unterfunktion readIndividualImage

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sengpielto106561 committed 2026-11-05 15:33:39 +01:00
1 parent 290b0d649e
commit c2a26bc3ad
1 file changed
+12 -8
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Startcode/imageInput.c
+12 -8
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@@ -10,7 +10,7 @@
static GrayScaleImage *readIndividualImage(unsigned int width, unsigned int height, FILE *file){ static GrayScaleImage *readIndividualImage(unsigned int width, unsigned int height, FILE *file){
char *buf = calloc(width * height, sizeof(char)); GrayScalePixelType *buf = calloc(width * height, sizeof(unsigned char));
if(!buf){ if(!buf){
fprintf(stderr, "calloc failed!\n"); fprintf(stderr, "calloc failed!\n");
return NULL; return NULL;
@@ -21,7 +21,7 @@ static GrayScaleImage *readIndividualImage(unsigned int width, unsigned int heig
return NULL; return NULL;
} }
GrayScaleImage *gimage = calloc(sizeof(GrayScaleImage, 1)); GrayScaleImage *gimage = calloc(sizeof(GrayScaleImage), 1);
if(gimage == NULL){ if(gimage == NULL){
fprintf(stderr, "calloc failed!\n"); fprintf(stderr, "calloc failed!\n");
free(buf); free(buf);
@@ -45,6 +45,7 @@ GrayScaleImageSeries *readImages(const char *path)
fprintf(stderr, "Couldn't allocate enough space!\n"); fprintf(stderr, "Couldn't allocate enough space!\n");
return NULL; return NULL;
} }
series->count = 0;
FILE *file = fopen(path, "rb"); FILE *file = fopen(path, "rb");
if(file == NULL){ if(file == NULL){
@@ -62,29 +63,31 @@ GrayScaleImageSeries *readImages(const char *path)
return NULL; return NULL;
} }
if(bytes = fread(buffer, sizeof(short), 3, file) != (3*szieof(short))){ if((bytes = fread(buffer, sizeof(short), 3, file)) != (3*sizeof(short))){
fprintf(stderr, "Couldn't read number of images/sizes of Images!\n"); fprintf(stderr, "Couldn't read number of images/sizes of Images!\n");
clearSeries(series); clearSeries(series);
return NULL; return NULL;
} }
//Merke menge an Bildern und Länge und Breite der Bilder
series->count = (short)buffer[0]; series->count = (short)buffer[0];
unsigned int width = (short)buffer[1]; unsigned int width = (short)buffer[1];
unsigned int height = (short)buffer[2]; unsigned int height = (short)buffer[2];
series->labels = calloc(count, sizeof(char)); series->labels = calloc(series->count, sizeof(char));
if(series->labels == NULL){ if(series->labels == NULL){
fprintf(stderr, "calloc failed!\n"); fprintf(stderr, "calloc failed!\n");
clearSeries(series); clearSeries(series);
return NULL; return NULL;
} }
for (int i = 0; i < count; i++){ //Lies Bilder aus
if(series->images[i] = readIndividualImage(width, heigth, file) == NULL){ for (int i = 0; i < series->count; i++){
if((series->images[i] = *readIndividualImage(width, height, file))){
clearSeries(series); clearSeries(series);
return NULL; return NULL;
} }
fread(series->labels[i], sizeof(char), 1, file); fread(&series->labels[i], sizeof(char), 1, file);
} }
return series; return series;
@@ -94,7 +97,8 @@ 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++){
free(series->GrayScaleImage[i]); free(&series->images[i]);
} }
free(series->labels);
free(series); free(series);
} }