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127 lines
3.7 KiB
C++
127 lines
3.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "mediastation/mediastation.h"
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#include "mediastation/assets/image.h"
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#include "mediastation/debugchannels.h"
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namespace MediaStation {
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Image::Image(AssetHeader *header) : Asset(header) {
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if (header->_startup == kAssetStartupActive) {
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_isActive = true;
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}
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}
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Image::~Image() {
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if (_header->_assetReference == 0) {
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// If we're just referencing another asset's bitmap,
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// don't delete that bitmap.
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delete _bitmap;
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}
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_bitmap = nullptr;
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}
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Operand Image::callMethod(BuiltInMethod methodId, Common::Array<Operand> &args) {
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switch (methodId) {
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case kSpatialShowMethod: {
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assert(args.empty());
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spatialShow();
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return Operand();
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}
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case kSpatialHideMethod: {
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assert(args.empty());
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spatialHide();
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return Operand();
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}
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case kSetDissolveFactorMethod: {
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assert(args.size() == 1);
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warning("Image::callMethod(): setDissolveFactor not implemented yet");
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return Operand();
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}
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case kSpatialMoveToMethod: {
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assert(args.size() == 2);
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// Mark the previous location dirty.
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Common::Rect bbox(getLeftTop(), _bitmap->width(), _bitmap->height());
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g_engine->_dirtyRects.push_back(bbox);
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// Update location and mark new location dirty.
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int newXAdjust = args[0].getInteger();
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int newYAdjust = args[1].getInteger();
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if (_xAdjust != newXAdjust || _yAdjust != newYAdjust) {
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_xAdjust = newXAdjust;
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_yAdjust = newYAdjust;
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bbox = Common::Rect(getLeftTop(), _bitmap->width(), _bitmap->height());
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g_engine->_dirtyRects.push_back(bbox);
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}
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return Operand();
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}
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default:
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error("Image::callMethod(): Got unimplemented method ID %s (%d)", builtInMethodToStr(methodId), static_cast<uint>(methodId));
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}
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}
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void Image::redraw(Common::Rect &rect) {
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if (!_isActive) {
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return;
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}
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Common::Point leftTop = getLeftTop();
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Common::Rect bbox(leftTop, _bitmap->width(), _bitmap->height());
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Common::Rect areaToRedraw = bbox.findIntersectingRect(rect);
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if (!areaToRedraw.isEmpty()) {
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Common::Point originOnScreen(areaToRedraw.left, areaToRedraw.top);
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areaToRedraw.translate(-leftTop.x, -leftTop.y);
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areaToRedraw.clip(Common::Rect(0, 0, _bitmap->width(), _bitmap->height()));
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g_engine->_screen->simpleBlitFrom(_bitmap->_surface, areaToRedraw, originOnScreen);
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}
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}
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void Image::spatialShow() {
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_isActive = true;
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g_engine->addPlayingAsset(this);
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Common::Rect bbox(getLeftTop(), _bitmap->width(), _bitmap->height());
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g_engine->_dirtyRects.push_back(bbox);
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}
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void Image::spatialHide() {
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_isActive = false;
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Common::Rect bbox(getLeftTop(), _bitmap->width(), _bitmap->height());
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g_engine->_dirtyRects.push_back(bbox);
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}
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Common::Point Image::getLeftTop() {
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return Common::Point(_header->_x + _header->_boundingBox->left + _xAdjust, _header->_y + _header->_boundingBox->top + _yAdjust);
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}
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void Image::readChunk(Chunk &chunk) {
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BitmapHeader *bitmapHeader = new BitmapHeader(chunk);
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_bitmap = new Bitmap(chunk, bitmapHeader);
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}
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} // End of namespace MediaStation
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