src/widget/image_tile.c

   1 /*! \file image_tile.c
   2
   3 */
   4
   5 #include <stdlib.h>
   6
   7 #include "../graphics.h"
   8 #include "../memory.h"
   9 #include "../error.h"
  10 #include "../utility.h"
  11 #include "widgets.h"
  12 #include "image_tile.h"
  13
  14 static void free_image_tile(struct xuni_t *xuni, struct widget_t *widget);
  15 static void paint_image_tile(struct xuni_t *xuni, struct widget_t *widget);
  16
  17 void image_tile_widget_event(struct xuni_t *xuni, struct widget_t *widget,
  18     enum widget_event_t event) {
  19
  20     static void (*function[])(struct xuni_t *xuni, struct widget_t *widget)
  21         = {
  22
  23         free_image_tile,
  24         0,
  25         paint_image_tile,
  26         0,
  27         0
  28     };
  29
  30     call_widget_event_func(xuni, widget, event, function,
  31         sizeof(function) / sizeof(*function));
  32 }
  33
  34 void init_image_tile(struct widget_t *widget, const char *filename,
  35     int xinc, int yinc) {
  36
  37     widget->type = WIDGET_IMAGE_TILE;
  38     widget->p.image_tile = xuni_memory_allocate(sizeof(*widget->p.image));
  39
  40     widget->p.image_tile->xinc = xinc;
  41     widget->p.image_tile->yinc = yinc;
  42     widget->p.image_tile->xpos = 0;
  43     widget->p.image_tile->ypos = 0;
  44
  45     add_allocate_widget_compose(widget, "image");
  46
  47     init_widget_pos(last_compose_widget(widget), 0, 0, 100.0, 100.0,
  48         POS_PACK_NONE);
  49     init_image(last_compose_widget(widget), filename, 0.0,
  50         IMAGE_LOAD_FREE, IMAGE_RESCALE_LAZY);
  51     last_compose_widget(widget)->visibility &= ~WIDGET_VISIBILITY_INDEPENDENT;
  52
  53     widget->visibility &= ~WIDGET_VISIBILITY_NOT_COMPOSE;
  54 }
  55
  56 static void free_image_tile(struct xuni_t *xuni, struct widget_t *widget) {
  57     xuni_memory_free(widget->p.image_tile);
  58 }
  59
  60 static void paint_image_tile(struct xuni_t *xuni, struct widget_t *widget) {
  61 #if !1
  62     clear_widget_clip(xuni, widget->compose->widget[WID_IMAGE_TILE_IMAGE]);
  63
  64     add_widget_clip(xuni, widget->compose->widget[WID_IMAGE_TILE_IMAGE],
  65         widget->p.image_tile->xpos, widget->p.image_tile->ypos, 0, 0, 0, 0);
  66 #else
  67     prepare_paint_image(xuni, widget->compose->widget[WID_IMAGE_TILE_IMAGE]);
  68
  69     blit_surface_fill_from(xuni->smode->screen,
  70         widget->compose->widget[WID_IMAGE_TILE_IMAGE]->p.image->image,
  71         widget->pos->real.x, widget->pos->real.y,
  72         widget->pos->real.w, widget->pos->real.h,
  73         widget->p.image_tile->xpos, widget->p.image_tile->ypos);
  74 #endif
  75
  76     widget->p.image_tile->xpos += widget->p.image_tile->xinc;
  77     wrap_int(&widget->p.image_tile->xpos, widget->pos->real.w);
  78
  79     widget->p.image_tile->ypos += widget->p.image_tile->yinc;
  80     wrap_int(&widget->p.image_tile->ypos, widget->pos->real.h);
  81 }