screen_rect.cpp

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/*
 * Copyright (c) 2010, Willow Garage, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Willow Garage, Inc. nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "rve_render_client/screen_rect.h"
#include "rve_render_client/texture.h"
#include "rve_render_client/client_context.h"

#include <rve_common/parse_resource_uri.h>

#include <ros/assert.h>

#include <rve_interfaces/ScreenRect.h>

namespace rve_render_client
{

ScreenRect::ScreenRect(const rve_common::UUID& render_target_id, uint32_t zorder, float x0, float y0, float x1, float y1)
: id_(rve_common::UUID::generate())
, render_target_id_(render_target_id)
, zorder_(zorder)
, rect_(x0, y0, x1, y1)
, context_(0)
, proxy_handle_(NullHandle)
, opacity_(1.0f)
{}

ScreenRect::~ScreenRect()
{
}

rve_interfaces::ScreenRectProxy* ScreenRect::getProxy()
{
  ROS_ASSERT(proxy_handle_ != NullHandle);
  ROS_ASSERT(context_);
  return context_->getInterface<rve_interfaces::ScreenRectProxy>(proxy_handle_);
}

void ScreenRect::create(ClientContext* context)
{
  ROS_ASSERT(!context_);
  context_ = context;
  proxy_handle_ = context->lookupInterface("screen_rect");

  rve_interfaces::ScreenRectProxy* proxy = getProxy();
  proxy->createAsync(render_target_id_, getID(), zorder_, rect_.x0, rect_.y0, rect_.x1, rect_.y1);
  proxy->setOpacityAsync(render_target_id_, getID(), opacity_);
  if (texture_)
  {
    proxy->setTextureAsync(render_target_id_, getID(), texture_->getID());
  }
  else if (!texture_resource_.empty())
  {
    proxy->setTextureByResourceAsync(render_target_id_, getID(), texture_resource_);
  }
  else
  {
    proxy->setColorAsync(render_target_id_, getID(), color_);
  }
}

void ScreenRect::destroy(ClientContext* context)
{
  ROS_ASSERT(context_);

  rve_interfaces::ScreenRectProxy* proxy = getProxy();
  proxy->destroyAsync(render_target_id_, id_);

  context_ = 0;
  proxy_handle_ = NullHandle;
}

void ScreenRect::setCorners(float x0, float y0, float x1, float y1)
{
  rect_ = Rect(x0, y0, x1, y1);
  rve_interfaces::ScreenRectProxy* proxy = getProxy();
  if (proxy)
  {
    proxy->setCorners(render_target_id_, getID(), x0, y0, x1, y1);
  }
}

void ScreenRect::setZOrder(uint32_t zorder)
{
  zorder_ = zorder;
  rve_interfaces::ScreenRectProxy* proxy = getProxy();
  if (proxy)
  {
    proxy->setZOrderAsync(render_target_id_, getID(), zorder);
  }
}

void ScreenRect::setOpacity(float opacity)
{
  opacity_ = opacity;
  rve_interfaces::ScreenRectProxy* proxy = getProxy();
  if (proxy)
  {
    proxy->setOpacityAsync(render_target_id_, getID(), opacity_);
  }
}

void ScreenRect::setColor(Color c)
{
  color_ = c;
  opacity_ = c.a;
  texture_.reset();
  texture_resource_.clear();

  rve_interfaces::ScreenRectProxy* proxy = getProxy();
  if (proxy)
  {
    proxy->setColorAsync(render_target_id_, getID(), color_);
    proxy->setOpacityAsync(render_target_id_, getID(), opacity_);
  }
}

void ScreenRect::setTexture(const TexturePtr& tex)
{
  texture_ = tex;
  texture_resource_.clear();
  rve_interfaces::ScreenRectProxy* proxy = getProxy();
  if (proxy)
  {
    proxy->setTextureAsync(render_target_id_, getID(), texture_->getID());
  }
}

void ScreenRect::setTexture(const std::string& resource_path)
{
  rve_common::ResourceURI uri;
  rve_common::parseResourceURI(resource_path, uri);

  rve_interfaces::ScreenRectProxy* proxy = getProxy();

  if (uri.scheme == "texture" || uri.scheme == "rtt")
  {
    texture_resource_ = resource_path;
    if (proxy)
    {
      proxy->setTextureByResourceAsync(render_target_id_, getID(), texture_resource_);
    }
  }
  else
  {
    setTexture(loadTexture(resource_path));
  }
}

}