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#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "main.h"
#include "list.h"
#include "storage.h"
#include "interface.h"
#include "image.h"
static list_t *listStorage;
static bool_t isImageDataInit = FALSE;
bool_t isImageInicialized()
{
return isImageDataInit;
}
/*
* Inicializuje globalny zoznam obrazkov
*/
void initImageData()
{
assert(isInterfaceInicialized() == TRUE);
#ifdef DEBUG
printf(_("Initializing image database\n"));
#endif
listStorage = newStorage();
isImageDataInit = TRUE;
}
static SDL_Surface *loadImage(const char *filename, int alpha)
{
SDL_Surface *tmp;
SDL_Surface *ret;
char str[STR_PATH_SIZE];
if (isFillPath(filename)) {
strcpy(str, filename);
} else {
sprintf(str, PATH_IMAGE "%s", filename);
}
accessExistFile(str);
if ((tmp = IMG_Load(str)) == NULL) {
fprintf(stderr, "%s\n", SDL_GetError());
return NULL;
}
if ((ret =
(alpha) ? SDL_DisplayFormatAlpha(tmp) : SDL_DisplayFormat(tmp)) ==
NULL) {
fprintf(stderr, "%s\n", SDL_GetError());
SDL_FreeSurface(tmp);
return NULL;
}
SDL_FreeSurface(tmp);
return ret;
}
image_t *newImage(SDL_Surface * surface)
{
image_t *new;
assert(surface != NULL);
new = malloc(sizeof(image_t));
new->image = surface;
new->w = surface->w;
new->h = surface->h;
return new;
}
static void destroyImage(image_t * p)
{
assert(p != NULL);
SDL_FreeSurface((SDL_Surface *) p->image);
free(p);
}
/*
* Prida obrazok do globalneho zoznamu obrazkov
* *file - nazov suboru v ktorom je obrazok ulozeny
* *name - nazov obrazku ( pouzije sa ako vyhadavaci retazec v zazanem )
* alpha - 0 - nema alpha kanal | 1 - ma alpha kanal
*/
image_t *addImageData(char *file, int alpha, char *name, char *group)
{
SDL_Surface *surface;
image_t *new;
assert(file != NULL);
assert(name != NULL);
assert(group != NULL);
surface = loadImage(file, alpha);
new = newImage(surface);
addItemToStorage(listStorage, group, name, new);
#ifdef DEBUG
printf(_("Loading image %s\n"), file);
#endif
return new;
}
/*
* Vrati odkaz na image_data v globalnom zozname obrazkov
* a nazvom *s
*/
image_t *getImage(char *group, char *name)
{
assert(group != NULL);
assert(name != NULL);
return getItemFromStorage(listStorage, group, name);
}
void delImage(char *group, char *name)
{
assert(group != NULL);
assert(name != NULL);
delItemFromStorage(listStorage, group, name, destroyImage);
}
void delAllImageInGroup(char *group)
{
assert(group != NULL);
delAllItemFromStorage(listStorage, group, destroyImage);
}
void drawImage(image_t * p, int x, int y, int px, int py, int w, int h)
{
static SDL_Surface *screen = NULL;
SDL_Rect dst_rect, src_rect;
if (screen == NULL) {
screen = getSDL_Screen();
}
dst_rect.x = x;
dst_rect.y = y;
src_rect.x = px;
src_rect.y = py;
src_rect.w = w;
src_rect.h = h;
SDL_BlitSurface(p->image, &src_rect, screen, &dst_rect);
}
/*
* Odstrani zoznam obrazkov z pamate
*/
void quitImageData()
{
#ifdef DEBUG
printf(_("Quitting image database\n"));
#endif
destroyStorage(listStorage, destroyImage);
isImageDataInit = FALSE;
}
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