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2026-02-02 04:50:13 +01:00

110 lines
2.6 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "bagel/spacebar/baglib/bmp_object.h"
#include "bagel/spacebar/boflib/app.h"
namespace Bagel {
namespace SpaceBar {
CBagBmpObject::CBagBmpObject() : CBagObject() {
_xObjType = BMP_OBJ;
_bmp = nullptr;
_transparency = -1;
CBagObject::setOverCursor(1);
setTimeless(true);
}
CBagBmpObject::~CBagBmpObject() {
CBagBmpObject::detach();
}
ErrorCode CBagBmpObject::attach(CBofPalette *palette) {
_bmp = new CBofBitmap(getFileName(), palette);
return CBagObject::attach();
}
ErrorCode CBagBmpObject::detach() {
delete _bmp;
_bmp = nullptr;
return CBagObject::detach();
}
CBofRect CBagBmpObject::getRect() {
const CBofPoint curPos = getPosition();
CBofSize size;
if (_bmp)
size = _bmp->getSize();
return CBofRect(curPos, size);
}
ErrorCode CBagBmpObject::update(CBofBitmap *bmp, CBofPoint pt, CBofRect *srcRect, int maskColor) {
if (bmp) {
_transparency = maskColor;
if (srcRect) {
const CBofSize size = bmp->getSize();
if (pt.x < 0) {
srcRect->left -= pt.x;
pt.x = 0;
}
if (pt.y < 0) {
srcRect->top -= pt.y;
pt.y = 0;
}
int offset = srcRect->right + pt.x - size.cx;
if (offset >= 0) {
srcRect->right -= offset + 1;
}
offset = srcRect->bottom + pt.y - size.cy;
if (offset >= 0) {
srcRect->bottom -= offset + 1;
}
}
if (_bmp->paint(bmp, pt.x, pt.y, srcRect, maskColor))
return ERR_UNKNOWN;
}
return ERR_NONE;
}
bool CBagBmpObject::isInside(const CBofPoint &pt) {
if (_bmp && getRect().ptInRect(pt)) {
if (_transparency >= 0) {
const int x = pt.x - getRect().left;
const int y = pt.y - getRect().top;
const int color = _bmp->readPixel(x, y);
return color != _transparency;
}
return true;
}
return false;
}
} // namespace SpaceBar
} // namespace Bagel