C++ (Cpp) gimp_image_find_sample_point示例

示例#1

文件： gimpcolortool.c 项目： AjayRamanathan/gimp

static void
gimp_color_tool_oper_update (GimpTool         *tool,
                             const GimpCoords *coords,
                             GdkModifierType   state,
                             gboolean          proximity,
                             GimpDisplay      *display)
{
  GimpColorTool    *color_tool   = GIMP_COLOR_TOOL (tool);
  GimpDisplayShell *shell        = gimp_display_get_shell (display);
  GimpImage        *image        = gimp_display_get_image (display);
  GimpSamplePoint  *sample_point = NULL;

  if (color_tool->enabled                               &&
      gimp_display_shell_get_show_sample_points (shell) &&
      proximity)
    {
      gint snap_distance = display->config->snap_distance;

      sample_point =
        gimp_image_find_sample_point (image,
                                      coords->x, coords->y,
                                      FUNSCALEX (shell, snap_distance),
                                      FUNSCALEY (shell, snap_distance));
    }

  if (color_tool->sample_point != sample_point)
    {
      GimpDrawTool *draw_tool = GIMP_DRAW_TOOL (tool);

      gimp_draw_tool_pause (draw_tool);

      if (gimp_draw_tool_is_active (draw_tool) &&
          draw_tool->display != display)
        gimp_draw_tool_stop (draw_tool);

      color_tool->sample_point = sample_point;

      if (! gimp_draw_tool_is_active (draw_tool))
        gimp_draw_tool_start (draw_tool, display);

      gimp_draw_tool_resume (draw_tool);
    }
}

示例#2

文件： gimpcolortool.c 项目： Amerekanets/gimp

static void
gimp_color_tool_oper_update (GimpTool        *tool,
                             GimpCoords      *coords,
                             GdkModifierType  state,
                             gboolean         proximity,
                             GimpDisplay     *display)
{
  GimpColorTool    *color_tool   = GIMP_COLOR_TOOL (tool);
  GimpDisplayShell *shell        = GIMP_DISPLAY_SHELL (display->shell);
  GimpSamplePoint  *sample_point = NULL;

  if (color_tool->enabled &&
      gimp_display_shell_get_show_sample_points (shell) && proximity)
    {
      gint snap_distance;

      snap_distance =
        GIMP_DISPLAY_CONFIG (display->image->gimp->config)->snap_distance;

      sample_point =
        gimp_image_find_sample_point (display->image,
                                      coords->x, coords->y,
                                      FUNSCALEX (shell, snap_distance),
                                      FUNSCALEY (shell, snap_distance));
    }

  if (color_tool->sample_point && color_tool->sample_point != sample_point)
    gimp_image_update_sample_point (shell->display->image,
                                    color_tool->sample_point);

  color_tool->sample_point = sample_point;

  if (color_tool->sample_point)
    gimp_display_shell_draw_sample_point (shell, color_tool->sample_point,
                                          TRUE);
}