C++ (Cpp) _openslide_tiffcache_get Beispiele

Beispiel #1

Datei: openslide-vendor-generic-tiff.c Projekt: cbachini/openslide

static bool paint_region(openslide_t *osr, cairo_t *cr,
                         int64_t x, int64_t y,
                         struct _openslide_level *level,
                         int32_t w, int32_t h,
                         GError **err) {
  struct generic_tiff_ops_data *data = osr->data;
  struct level *l = (struct level *) level;
  bool success = false;

  TIFF *tiff = _openslide_tiffcache_get(data->tc, err);
  if (tiff == NULL) {
    return false;
  }

  if (TIFFSetDirectory(tiff, l->tiffl.dir)) {
    success = _openslide_grid_paint_region(l->grid, cr, tiff,
                                           x / l->base.downsample,
                                           y / l->base.downsample,
                                           level, w, h,
                                           err);
  } else {
    g_set_error(err, OPENSLIDE_ERROR, OPENSLIDE_ERROR_FAILED,
                "Cannot set TIFF directory");
  }
  _openslide_tiffcache_put(data->tc, tiff);

  return success;
}

Beispiel #2

Datei: openslide-vendor-aperio.c Projekt: MIRCen/openslide

static bool paint_region(openslide_t *osr, cairo_t *cr,
			 int64_t x, int64_t y,
			 struct _openslide_level *level,
			 int32_t w, int32_t h,
			 GError **err) {
  struct aperio_ops_data *data = osr->data;
  struct level *l = (struct level *) level;

  TIFF *tiff = _openslide_tiffcache_get(data->tc, err);
  if (tiff == NULL) {
    return false;
  }

  bool success = _openslide_grid_paint_region(l->grid, cr, tiff,
                                              x / l->base.downsample,
                                              y / l->base.downsample,
                                              level, w, h,
                                              err);
  _openslide_tiffcache_put(data->tc, tiff);

  return success;
}