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C++ GEGL_OPERATION_AREA_FILTER函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中GEGL_OPERATION_AREA_FILTER函数的典型用法代码示例。如果您正苦于以下问题：C++ GEGL_OPERATION_AREA_FILTER函数的具体用法？C++ GEGL_OPERATION_AREA_FILTER怎么用？C++ GEGL_OPERATION_AREA_FILTER使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了GEGL_OPERATION_AREA_FILTER函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: prepare

static void prepare (GeglOperation *operation)
{
    GeglOperationAreaFilter *area = GEGL_OPERATION_AREA_FILTER (operation);
    area->left = area->right = area->top = area->bottom =
            GEGL_CHANT_PROPERTIES (operation)->radius;
    gegl_operation_set_format (operation, "output", babl_format ("RGBA float"));
}
开发者ID:jcupitt，项目名称:gegl-vips，代码行数:7，代码来源:snn-percentile.c


示例2: prepare

static void
prepare (GeglOperation *operation)
{
  GeglOperationAreaFilter *area      = GEGL_OPERATION_AREA_FILTER (operation);
  GeglProperties          *o         = GEGL_PROPERTIES (operation);
  const Babl              *in_format = gegl_operation_get_source_format (operation, "input");
  const Babl              *format    = babl_format ("RGB float");

  area->left   =
  area->right  =
  area->top    =
  area->bottom = o->radius;

  o->user_data = g_renew (gint, o->user_data, o->radius + 1);
  init_neighborhood_outline (o->neighborhood, o->radius, o->user_data);

  if (in_format)
    {
      if (babl_format_has_alpha (in_format))
        format = babl_format ("RGBA float");
    }

  gegl_operation_set_format (operation, "input", format);
  gegl_operation_set_format (operation, "output", format);
}
开发者ID:elEnemigo，项目名称:GEGL-OpenCL，代码行数:25，代码来源:median-blur.c


示例3: prepare

static void prepare (GeglOperation *operation)
{
  GeglOperationAreaFilter *area = GEGL_OPERATION_AREA_FILTER (operation);
  area->right = area->bottom = 1;

  gegl_operation_set_format (operation, "output", babl_format ("RGB float"));
}
开发者ID:joyoseller，项目名称:GEGL-OpenCL，代码行数:7，代码来源:demosaic-simple.c


示例4: process

static gboolean
process (GeglOperation       *operation,
         GeglBuffer          *input,
         GeglBuffer          *output,
         const GeglRectangle *roi,
         gint                 level)
{
  GeglRectangle src_rect;
  GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
  GeglOperationAreaFilter *op_area;
  gfloat* buf;

  op_area = GEGL_OPERATION_AREA_FILTER (operation);
  src_rect = *roi;
  src_rect.x -= op_area->left;
  src_rect.y -= op_area->top;
  src_rect.width += op_area->left + op_area->right;
  src_rect.height += op_area->top + op_area->bottom;

  buf = g_new0 (gfloat, src_rect.width * src_rect.height * 4);

  gegl_buffer_get (input, &src_rect, 1.0, babl_format ("RGBA float"), buf, GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);

  dot(buf, roi, o);
  gegl_buffer_set (output, roi, 0, babl_format ("RGBA float"), buf, GEGL_AUTO_ROWSTRIDE);

  g_free (buf);

  return  TRUE;
}
开发者ID:AjayRamanathan，项目名称:gegl，代码行数:30，代码来源:dot.c


示例5: cl_process

static gboolean
cl_process (GeglOperation       *operation,
            GeglBuffer          *input,
            GeglBuffer          *output,
            const GeglRectangle *result)
{
  const Babl *in_format  = gegl_operation_get_format (operation, "input");
  const Babl *out_format = gegl_operation_get_format (operation, "output");
  gint err;
  gint j;
  cl_int cl_err;

  GeglOperationAreaFilter *op_area = GEGL_OPERATION_AREA_FILTER (operation);
  GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);

  GeglBufferClIterator *i = gegl_buffer_cl_iterator_new (output,   result, out_format, GEGL_CL_BUFFER_WRITE, GEGL_ABYSS_NONE);
                gint read = gegl_buffer_cl_iterator_add_2 (i, input, result, in_format, GEGL_CL_BUFFER_READ, op_area->left, op_area->right, op_area->top, op_area->bottom, GEGL_ABYSS_NONE);
  while (gegl_buffer_cl_iterator_next (i, &err))
  {
    if (err) return FALSE;
    for (j=0; j < i->n; j++)
    {
      cl_err = cl_bilateral_filter(i->tex[read][j], i->tex[0][j], i->size[0][j], &i->roi[0][j], ceil(o->blur_radius), o->edge_preservation);
      if (cl_err != CL_SUCCESS)
      {
        g_warning("[OpenCL] Error in gegl:bilateral-filter: %s", gegl_cl_errstring(cl_err));
        return FALSE;
      }
    }
  }
  return TRUE;
}
开发者ID:AjayRamanathan，项目名称:gegl，代码行数:32，代码来源:bilateral-filter.c


示例6: cl_process

static gboolean
cl_process (GeglOperation       *operation,
            GeglBuffer          *input,
            GeglBuffer          *output,
            const GeglRectangle *result)
{
  const Babl *in_format  = gegl_operation_get_format (operation, "input");
  const Babl *out_format = gegl_operation_get_format (operation, "output");
  gint err;
  gint j;
  cl_int cl_err;

  GeglOperationAreaFilter *op_area = GEGL_OPERATION_AREA_FILTER (operation);

  GeglBufferClIterator *i = gegl_buffer_cl_iterator_new (output,   result, out_format, GEGL_CL_BUFFER_WRITE, GEGL_ABYSS_NONE);
  gint read = gegl_buffer_cl_iterator_add_2 (i, input, result, in_format,  GEGL_CL_BUFFER_READ, op_area->left, op_area->right, op_area->top, op_area->bottom, GEGL_ABYSS_NONE);
  gint aux  = gegl_buffer_cl_iterator_add_2 (i, NULL, result, in_format,  GEGL_CL_BUFFER_AUX, op_area->left, op_area->right, op_area->top, op_area->bottom, GEGL_ABYSS_NONE);
  while (gegl_buffer_cl_iterator_next (i, &err))
  {
    if (err) return FALSE;
    for (j=0; j < i->n; j++)
    {
      cl_err = cl_edge_laplace(i->tex[read][j], i->tex[aux][j], i->tex[0][j], &i->roi[read][j], &i->roi[0][j], LAPLACE_RADIUS);
      if (cl_err != CL_SUCCESS)
      {
        g_warning("[OpenCL] Error in gegl:edge-laplace: %s", gegl_cl_errstring(cl_err));
        return FALSE;
      }
    }
  }
  return TRUE;
}
开发者ID:AjayRamanathan，项目名称:gegl，代码行数:32，代码来源:edge-laplace.c


示例7: prepare_cl

static void
prepare_cl (GeglOperation *operation)
{
    GeglOperationAreaFilter* op_area = GEGL_OPERATION_AREA_FILTER (operation);
    GeglChantO* o = GEGL_CHANT_PROPERTIES (operation);

    gdouble theta = o->angle * G_PI / 180.0;
    gdouble offset_x = fabs(o->length * cos(theta));
    gdouble offset_y = fabs(o->length * sin(theta));

    op_area->left   =
        op_area->right  = (gint)ceil(0.5 * offset_x);
    op_area->top    =
        op_area->bottom = (gint)ceil(0.5 * offset_y);

    GeglNode * self;
    GeglPad *pad;
    Babl * format=babl_format ("RaGaBaA float");
    self=gegl_operation_get_source_node(operation,"input");
    while(self) {
        if(strcmp(gegl_node_get_operation(self),"gimp:tilemanager-source")==0) {
            format=gegl_operation_get_format(self->operation,"output");
            break;
        }
        self=gegl_operation_get_source_node(self->operation,"input");
    }
    gegl_operation_set_format (operation, "output", format);
}
开发者ID:peixuan，项目名称:GEGL-OpenCL，代码行数:28，代码来源:motion-blur.c


示例8: prepare

static void
prepare (GeglOperation *operation)
{
  GeglProperties          *o       = GEGL_PROPERTIES (operation);
  GeglOperationAreaFilter *op_area = GEGL_OPERATION_AREA_FILTER (operation);
  const Babl              *format;

  if (o->direction == GEGL_ORIENTATION_HORIZONTAL)
    {
      op_area->left   = o->shift;
      op_area->right  = o->shift;
      op_area->top    = 0;
      op_area->bottom = 0;
    }
  else if (o->direction == GEGL_ORIENTATION_VERTICAL)
    {
      op_area->top    = o->shift;
      op_area->bottom = o->shift;
      op_area->left   = 0;
      op_area->right  = 0;
    }

  format = gegl_operation_get_source_format (operation, "input");

  gegl_operation_set_format (operation, "input",  format);
  gegl_operation_set_format (operation, "output", format);
}
开发者ID:don-mccomb，项目名称:gegl，代码行数:27，代码来源:shift.c


示例9: prepare

static void
prepare (GeglOperation *operation)
{
  GeglChantO              *o;
  GeglOperationAreaFilter *op_area;

  op_area = GEGL_OPERATION_AREA_FILTER (operation);
  o       = GEGL_CHANT_PROPERTIES (operation);

  if (o->chant_data)
    {
      g_hash_table_destroy (o->chant_data);
      o->chant_data = NULL;
    }

  op_area->left   = o->strength;
  op_area->right  = o->strength;
  op_area->top    = o->strength;
  op_area->bottom = o->strength;

  gegl_operation_set_format (operation, "input",
                             babl_format ("RGBA float"));
  gegl_operation_set_format (operation, "output",
                             babl_format ("RGBA float"));
}
开发者ID:ChristianBusch，项目名称:gegl，代码行数:25，代码来源:wind.c


示例10: get_bounding_box

static GeglRectangle
get_bounding_box (GeglOperation *operation)
{
  GeglOperationAreaFilter *area = GEGL_OPERATION_AREA_FILTER (operation);
  GeglRectangle            result = { 0, };
  GeglRectangle           *in_rect;

  in_rect = gegl_operation_source_get_bounding_box (operation,"input");

  if (!in_rect)
    return result;

  if (gegl_rectangle_is_infinite_plane (in_rect))
    return *in_rect;

  result = *in_rect;
  if (result.width != 0 &&
      result.height != 0)
    {
      result.x-= area->left;
      result.y-= area->top;
      result.width += area->left + area->right;
      result.height += area->top + area->bottom;
    }

  return result;
}
开发者ID:GNOME，项目名称:gegl，代码行数:27，代码来源:gegl-operation-area-filter.c


示例11: process

static gboolean
process (GeglOperation       *operation,
         GeglBuffer          *input,
         GeglBuffer          *output,
         const GeglRectangle *result,
         gint                 level)
{
  GeglChantO              *o       = GEGL_CHANT_PROPERTIES (operation);
  GeglOperationAreaFilter *op_area = GEGL_OPERATION_AREA_FILTER (operation);

  GeglRectangle  rect;
  gfloat        *src_buf;
  gfloat        *dst_buf;

  gchar         *type;
  gint           alpha;
  gint           x;
  gint           floats_per_pixel;

  /*blur-map or emboss*/
  if (o->filter && !strcmp (o->filter, "blur-map"))
    {
      type = "RGBA float";
      floats_per_pixel = 4;
      alpha = 1;
    }
  else
    {
      type = "Y float";
      floats_per_pixel = 1;
      alpha = 0;
    }

  rect.x      = result->x - op_area->left;
  rect.width  = result->width + op_area->left + op_area->right;
  rect.y      = result->y - op_area->top;
  rect.height = result->height + op_area->top + op_area->bottom;

  src_buf = g_new0 (gfloat, rect.width * rect.height * floats_per_pixel);
  dst_buf = g_new0 (gfloat, rect.width * rect.height * floats_per_pixel);

  gegl_buffer_get (input, &rect, 1.0, babl_format (type), src_buf,
                   GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);

  /*do for every row*/
  for (x = 0; x < rect.height; x++)
    emboss (src_buf, &rect, dst_buf, &rect, x, type, floats_per_pixel, alpha,
            DEG_TO_RAD (o->azimuth), DEG_TO_RAD (o->elevation), o->depth);

  gegl_buffer_set (output, &rect, 0, babl_format (type),
                   dst_buf, GEGL_AUTO_ROWSTRIDE);

  g_free (src_buf);
  g_free (dst_buf);

  return TRUE;
}
开发者ID:AjayRamanathan，项目名称:gegl，代码行数:57，代码来源:emboss.c


示例12: prepare

static void prepare (GeglOperation *operation)
{
  GeglOperationAreaFilter *area = GEGL_OPERATION_AREA_FILTER (operation);
  //GeglChantO              *o = GEGL_CHANT_PROPERTIES (operation);

  area->left = area->right = area->top = area->bottom = LAPLACE_RADIUS;
  gegl_operation_set_format (operation, "input", babl_format ("RGBA float"));
  gegl_operation_set_format (operation, "output", babl_format ("RGBA float"));
}
开发者ID:AjayRamanathan，项目名称:gegl，代码行数:9，代码来源:edge-laplace.c


示例13: cl_process

static gboolean
cl_process (GeglOperation       *operation,
            GeglBuffer          *input,
            GeglBuffer          *output,
            const GeglRectangle *result)
{
  const Babl *in_format  = gegl_operation_get_format (operation, "input");
  const Babl *out_format = gegl_operation_get_format (operation, "output");

  gint err;

  GeglOperationAreaFilter *op_area = GEGL_OPERATION_AREA_FILTER (operation);
  GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);

  GeglBufferClIterator *i = gegl_buffer_cl_iterator_new (output,
                                                         result,
                                                         out_format,
                                                         GEGL_CL_BUFFER_WRITE);

  gint read = gegl_buffer_cl_iterator_add_2 (i,
                                             input,
                                             result,
                                             in_format,
                                             GEGL_CL_BUFFER_READ,
                                             op_area->left,
                                             op_area->right,
                                             op_area->top,
                                             op_area->bottom,
                                             GEGL_ABYSS_NONE);

  gint aux  = gegl_buffer_cl_iterator_add_2 (i,
                                             NULL,
                                             result,
                                             in_format,
                                             GEGL_CL_BUFFER_AUX,
                                             0,
                                             0,
                                             op_area->top,
                                             op_area->bottom,
                                             GEGL_ABYSS_NONE);

  while (gegl_buffer_cl_iterator_next (i, &err))
    {
      if (err) return FALSE;

      err = cl_box_max(i->tex[read],
                       i->tex[aux],
                       i->tex[0],
                       i->size[0],
                       &i->roi[0],
                       ceil (o->radius));

      if (err) return FALSE;
    }

  return TRUE;
}
开发者ID:ChristianBusch，项目名称:gegl，代码行数:57，代码来源:box-max.c


示例14: cl_process

static gboolean
cl_process (GeglOperation       *operation,
            GeglBuffer          *input,
            GeglBuffer          *output,
            const GeglRectangle *result)
{
  const Babl *in_format  = gegl_operation_get_format (operation, "input");
  const Babl *out_format = gegl_operation_get_format (operation, "output");

  gint err = 0;

  GeglOperationAreaFilter *op_area = GEGL_OPERATION_AREA_FILTER (operation);
  GeglProperties *o = GEGL_PROPERTIES (operation);

  GeglBufferClIterator *i = gegl_buffer_cl_iterator_new (output,
                                                         result,
                                                         out_format,
                                                         GEGL_CL_BUFFER_WRITE);

  gint read = gegl_buffer_cl_iterator_add_2 (i,
                                             input,
                                             result,
                                             in_format,
                                             GEGL_CL_BUFFER_READ,
                                             op_area->left,
                                             op_area->right,
                                             op_area->top,
                                             op_area->bottom,
                                             GEGL_ABYSS_CLAMP);

  gint aux = gegl_buffer_cl_iterator_add_aux (i,
                                              result,
                                              in_format,
                                              0,
                                              0,
                                              op_area->top,
                                              op_area->bottom);

  while (gegl_buffer_cl_iterator_next (i, &err) && !err)
    {
      err = cl_box_blur (i->tex[read],
                         i->tex[aux],
                         i->tex[0],
                         i->size[0],
                         &i->roi[0],
                         o->radius);

      if (err)
        {
          gegl_buffer_cl_iterator_stop (i);
          break;
        }
    }

  return !err;
}
开发者ID:kleopatra999，项目名称:gegl，代码行数:56，代码来源:box-blur.c


示例15: prepare

static void
prepare (GeglOperation *operation)
{
  GeglOperationAreaFilter *op_area = GEGL_OPERATION_AREA_FILTER (operation);

  op_area->left = op_area->right = op_area->top = op_area->bottom = HALF_WINDOW;

  gegl_operation_set_format (operation, "output",
                             babl_format ("RGBA float"));
}
开发者ID:Distrotech，项目名称:gegl，代码行数:10，代码来源:convolution-matrix.c


示例16: prepare

static void
prepare (GeglOperation *operation)
{
  GeglOperationAreaFilter *area   = GEGL_OPERATION_AREA_FILTER (operation);
  GeglProperties          *o      = GEGL_PROPERTIES (operation);
  const Babl              *format = babl_format ("R'G'B'A float");

  area->left = area->right = area->top = area->bottom = o->iterations;

  gegl_operation_set_format (operation, "input",  format);
  gegl_operation_set_format (operation, "output", format);
}
开发者ID:jonnor，项目名称:gegl，代码行数:12，代码来源:mean-curvature-blur.c


示例17: process

static gboolean
process (GeglOperation       *operation,
         GeglBuffer          *input,
         GeglBuffer          *output,
         const GeglRectangle *result)
{
  GeglChantO              *o        = GEGL_CHANT_PROPERTIES (operation);
  GeglOperationAreaFilter *op_area  = GEGL_OPERATION_AREA_FILTER (operation);
  Babl                    *format   = babl_format ("RGBA float");
  GeglRectangle            rect;
  GeglRectangle            boundary = get_effective_area (operation);
  gint                     x, y;
  gfloat                  *dst_buf, *src_buf;

  rect.x      = CLAMP (result->x - op_area->left, boundary.x, boundary.x +
                       boundary.width);
  rect.width  = CLAMP (result->width + op_area->left + op_area->right, 0,
                       boundary.width);
  rect.y      = CLAMP (result->y - op_area->top, boundary.y, boundary.y +
                       boundary.width);
  rect.height = CLAMP (result->height + op_area->top + op_area->bottom, 0,
                       boundary.height);

  dst_buf = g_new0 (gfloat, result->height * result->width * 4);
  src_buf = g_new0 (gfloat, rect.height * rect.width * 4);

  gegl_buffer_get (input, 1.0, result, format, dst_buf, GEGL_AUTO_ROWSTRIDE);
  gegl_buffer_get (input, 1.0, &rect, format, src_buf, GEGL_AUTO_ROWSTRIDE);

  if (o->horizontal)
    {
      for (y = result->y; y < result->y + result->height; y++)
        if ((o->even && (y % 2 == 0)) || (!o->even && (y % 2 != 0)))
          deinterlace_horizontal (src_buf, dst_buf, result, &rect, &boundary,
                                  o->even ? 0 : 1,
                                  y, o->size);
    }
  else
    {
      for (x = result->x; x < result->x + result->width; x++)
        if ((o->even && (x % 2 == 0)) || (!o->even && (x % 2 != 0)))
          deinterlace_vertical (src_buf, dst_buf, result, &rect, &boundary,
                                o->even ? 0 : 1,
                                x, o->size);
    }

  gegl_buffer_set (output, result, format, dst_buf, GEGL_AUTO_ROWSTRIDE);

  g_free (src_buf);
  g_free (dst_buf);

  return  TRUE;
}
开发者ID:joyoseller，项目名称:GEGL-OpenCL，代码行数:53，代码来源:deinterlace.c


示例18: prepare

static void
prepare (GeglOperation *operation)
{
  GeglOperationAreaFilter *area = GEGL_OPERATION_AREA_FILTER (operation);
  GeglProperties          *o    = GEGL_PROPERTIES (operation);

  area->left = area->right = ceil (fabs (o->glow_radius)) +1;
  area->top = area->bottom = ceil (fabs (o->glow_radius)) +1;

  gegl_operation_set_format (operation, "input",
                             babl_format ("RGBA float"));
  gegl_operation_set_format (operation, "output",
                             babl_format ("RGBA float"));
}
开发者ID:don-mccomb，项目名称:gegl，代码行数:14，代码来源:softglow.c


示例19: prepare

static void
prepare (GeglOperation *operation)
{
  GeglOperationAreaFilter *op_area = GEGL_OPERATION_AREA_FILTER (operation);
  GeglProperties          *o       = GEGL_PROPERTIES (operation);

  op_area->left   = o->amplitude;
  op_area->right  = o->amplitude;
  op_area->top    = o->amplitude;
  op_area->bottom = o->amplitude;

  gegl_operation_set_format (operation, "input",  babl_format ("RGBA float"));
  gegl_operation_set_format (operation, "output", babl_format ("RGBA float"));
}
开发者ID:jonnor，项目名称:gegl，代码行数:14，代码来源:waves.c


示例20: get_invalidated_by_change

static GeglRectangle
get_invalidated_by_change (GeglOperation        *operation,
                           const gchar         *input_pad,
                           const GeglRectangle *input_region)
{
  GeglOperationAreaFilter *area = GEGL_OPERATION_AREA_FILTER (operation);
  GeglRectangle            retval;

  retval.x      = input_region->x - area->left;
  retval.y      = input_region->y - area->top;
  retval.width  = input_region->width  + area->left + area->right;
  retval.height = input_region->height + area->top  + area->bottom;

  return retval;
}
开发者ID:GNOME，项目名称:gegl，代码行数:15，代码来源:gegl-operation-area-filter.c



注：本文中的GEGL_OPERATION_AREA_FILTER函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ GEGL_OPERATION_CLASS函数代码示例发布时间：2022-05-30
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