generated from freudenreichan/info2Praktikum-NeuronalesNetz
Added functions setParameters, allocateMemory, hoping for the best
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28
imageInput.c
28
imageInput.c
@ -7,15 +7,39 @@
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#define FILE_HEADER_STRING "__info2_image_file_format__"
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#define FILE_HEADER_STRING "__info2_image_file_format__"
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// TODO Implementieren Sie geeignete Hilfsfunktionen für das Lesen der Bildserie aus einer Datei
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// TODO Implementieren Sie geeignete Hilfsfunktionen für das Lesen der Bildserie aus einer Datei
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void setParameters(const char buffer[], unsigned int* imageCount, int* width, int* height);
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void allocateMemory(GrayScaleImageSeries *s, const int imageCount, const int width, const int height);
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// TODO Vervollständigen Sie die Funktion readImages unter Benutzung Ihrer Hilfsfunktionen
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// TODO Vervollständigen Sie die Funktion readImages unter Benutzung Ihrer Hilfsfunktionen
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GrayScaleImageSeries *readImages(const char *path)
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GrayScaleImageSeries *readImages(const char *path)
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{
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{
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GrayScaleImageSeries *series = NULL;
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GrayScaleImageSeries *series = NULL;
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// hier Niko Stuff
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// create char array buffer with bytes containing initialization information
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// TODO some kind of logic to get correct address in binary file
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char initBuffer[3];
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/*
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int readBytes = fread(initBuffer, 1, 3, //file);
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*/
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unsigned int* imageCount = &(series->count); // sets a pointer for int variable count in struct
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setParameters(initBuffer, imageCount, series->images->width, series->images->height);
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allocateMemory(*imageCount, series->images->width, series->images->height);
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return series;
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return series;
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}
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}
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void setParameters(const char buffer[], unsigned int* imageCount, int* width, int* height) { // sets the parameters
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*imageCount = (int) buffer[0];
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*width = (int) buffer[1];
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*height = (int) buffer[2];
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}
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void allocateMemory(GrayScaleImageSeries s, const int imageCount, const int width, const int height) {
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for (int i = 0; i < imageCount; i++) {
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s->images[i].buffer = (unsigned char *) malloc(width * height * sizeof(unsigned char)); // allocates memory for every image in the series
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}
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}
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// TODO Vervollständigen Sie die Funktion clearSeries, welche eine Bildserie vollständig aus dem Speicher freigibt
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// TODO Vervollständigen Sie die Funktion clearSeries, welche eine Bildserie vollständig aus dem Speicher freigibt
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void clearSeries(GrayScaleImageSeries *series)
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void clearSeries(GrayScaleImageSeries *series)
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{
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{
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