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#include <screenbuffer.h>
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#include <screenbuffer.h>
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#include <malloc.h>
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#include <malloc.h>
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#include <unistd.h>
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#include <unistd.h>
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/** Get field from buffer that corresponds to character at position x,y at screen
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/** Store one character to screenbuffer. Its position is determined by scr->position_x and scr->position_y.
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 *
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 * @param scr   screenbuffer
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 * @param c stored character
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 */
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 */
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int screenbuffer_putchar(screenbuffer_t *scr, char c)
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void screenbuffer_putchar(screenbuffer_t *scr, char c)
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{
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{
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    keyfield_t *field;
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    keyfield_t *field;
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    field = get_field_at(scr, scr->position_x, scr->position_y);
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    field = get_field_at(scr, scr->position_x, scr->position_y);
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    field->character = c;
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    field->character = c;
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    field->style = scr->style;
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    field->style = scr->style;
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    return 1;
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}
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}
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/** Initilize screenbuffer. Allocate space for screen content in accordance to given size.
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 * @param scr       initialized screenbuffer
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 * @param size_x   
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 * @param size_y
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 */
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screenbuffer_t *screenbuffer_init(screenbuffer_t *scr, int size_x, int size_y)
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screenbuffer_t *screenbuffer_init(screenbuffer_t *scr, int size_x, int size_y)
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{
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{
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    if ((scr->buffer = (keyfield_t *)malloc(sizeof(keyfield_t) * size_x * size_y)) == NULL) {
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    if ((scr->buffer = (keyfield_t *)malloc(sizeof(keyfield_t) * size_x * size_y)) == NULL) {
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        return NULL;
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        return NULL;
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    }
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    }
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}
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}
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void screenbuffer_goto(screenbuffer_t *scr, unsigned int x, unsigned int y)
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void screenbuffer_goto(screenbuffer_t *scr, unsigned int x, unsigned int y)
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{
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{
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    scr->position_x = x % scr->size_x;
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    scr->position_x = x % scr->size_x;
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    scr->position_y = y  % scr->size_y;
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    scr->position_y = y % scr->size_y;
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}
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void screenbuffer_set_style(screenbuffer_t *scr, unsigned int fg_color, unsigned int bg_color)
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{
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    scr->style.fg_color = fg_color;
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    scr->style.bg_color = bg_color;
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}
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}
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