gramppto99138/NeuesNeuesNeuralesNetzwerk
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still fixed changes related to matrix

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This commit is contained in:
Tobias Grampp 2025-11-20 16:29:55 +01:00
commit 8676389e62
1 changed files with 13 additions and 10 deletions
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23
imageInput.c
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@ -29,22 +29,20 @@ int checkString (FILE *file){ //Checks if String at the start of File equals exp
} }
} }
void setParameters(const char buffer[], unsigned int* imageCount, unsigned int* width, unsigned int* height); void setParameters(FILE* file, unsigned int* imageCount, unsigned int* width, unsigned int* height);
void allocateMemory(GrayScaleImageSeries *s, const int imageCount, const int width, const int height); void allocateMemory(GrayScaleImageSeries *s, const int imageCount, const int width, const int height);
// TODO Vervollständigen Sie die Funktion readImages unter Benutzung Ihrer Hilfsfunktionen // TODO Vervollständigen Sie die Funktion readImages unter Benutzung Ihrer Hilfsfunktionen
GrayScaleImageSeries *readImages(const char *path) GrayScaleImageSeries *readImages(const char *path)
{ {
FILE * file;
// TODO open binary file from file name
GrayScaleImageSeries *series = NULL; GrayScaleImageSeries *series = NULL;
if(!(checkString(file)))
return NULL;
// hier Niko Stuff
// create char array buffer with bytes containing initialization information
// TODO some kind of logic to get correct address in binary file
char initBuffer[3];
/*
int readBytes = fread(initBuffer, 1, 3, //file);
*/
unsigned int* imageCount = &(series->count); // sets a pointer for int variable count in struct unsigned int* imageCount = &(series->count); // sets a pointer for int variable count in struct
setParameters(initBuffer, imageCount, &(series->images->width), &(series->images->height));
setParameters(file, imageCount, &(series->images->width), &(series->images->height));
allocateMemory(series, *imageCount, series->images->width, series->images->height); allocateMemory(series, *imageCount, series->images->width, series->images->height);
return series; return series;
@ -61,7 +59,12 @@ void clearSeries(GrayScaleImageSeries *series)
series->images = NULL; series->images = NULL;
series->labels = NULL; series->labels = NULL;
} }
void setParameters(const char buffer[], 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
char buffer[3];
fseek(file, 27, SEEK_SET);
fread(buffer, 1, 3, file);
*imageCount = (int) buffer[0]; *imageCount = (int) buffer[0];
*width = (int) buffer[1]; *width = (int) buffer[1];
*height = (int) buffer[2]; *height = (int) buffer[2];