mirror of https://github.com/aseprite/aseprite.git
96 lines
2.1 KiB
C++
96 lines
2.1 KiB
C++
// Aseprite
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// Copyright (C) 2001-2018 David Capello
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//
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// This program is distributed under the terms of
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// the End-User License Agreement for Aseprite.
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "app/cmd/add_layer.h"
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#include "app/doc.h"
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#include "app/doc_event.h"
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#include "doc/layer.h"
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#include "doc/layer_io.h"
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#include "doc/subobjects_io.h"
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namespace app { namespace cmd {
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using namespace doc;
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AddLayer::AddLayer(Layer* group, Layer* newLayer, Layer* afterThis)
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: m_group(group)
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, m_newLayer(newLayer)
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, m_afterThis(afterThis)
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, m_size(0)
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{
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}
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void AddLayer::onExecute()
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{
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Layer* group = m_group.layer();
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Layer* newLayer = m_newLayer.layer();
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Layer* afterThis = m_afterThis.layer();
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addLayer(group, newLayer, afterThis);
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}
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void AddLayer::onUndo()
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{
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Layer* group = m_group.layer();
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Layer* layer = m_newLayer.layer();
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write_layer(m_stream, layer);
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m_size = size_t(m_stream.tellp());
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removeLayer(group, layer);
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}
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void AddLayer::onRedo()
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{
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Layer* group = m_group.layer();
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SubObjectsFromSprite io(group->sprite());
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Layer* newLayer = read_layer(m_stream, &io);
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Layer* afterThis = m_afterThis.layer();
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addLayer(group, newLayer, afterThis);
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m_stream.str(std::string());
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m_stream.clear();
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m_size = 0;
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}
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void AddLayer::addLayer(Layer* group, Layer* newLayer, Layer* afterThis)
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{
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static_cast<LayerGroup*>(group)->insertLayer(newLayer, afterThis);
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group->incrementVersion();
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group->sprite()->incrementVersion();
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Doc* doc = static_cast<Doc*>(group->sprite()->document());
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DocEvent ev(doc);
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ev.sprite(group->sprite());
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ev.layer(newLayer);
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doc->notify_observers<DocEvent&>(&DocObserver::onAddLayer, ev);
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}
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void AddLayer::removeLayer(Layer* group, Layer* layer)
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{
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Doc* doc = static_cast<Doc*>(group->sprite()->document());
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DocEvent ev(doc);
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ev.sprite(layer->sprite());
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ev.layer(layer);
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doc->notify_observers<DocEvent&>(&DocObserver::onBeforeRemoveLayer, ev);
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static_cast<LayerGroup*>(group)->removeLayer(layer);
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group->incrementVersion();
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group->sprite()->incrementVersion();
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doc->notify_observers<DocEvent&>(&DocObserver::onAfterRemoveLayer, ev);
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delete layer;
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}
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}} // namespace app::cmd
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