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/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on Broken Sword 2.5 engine
*
* Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
*
* Licensed under GNU GPL v2
*
*/
// -----------------------------------------------------------------------------
// Includes
// -----------------------------------------------------------------------------
#include "sword25/gfx/staticbitmap.h"
#include "sword25/gfx/bitmapresource.h"
#include "sword25/package/packagemanager.h"
#include "sword25/kernel/outputpersistenceblock.h"
#include "sword25/kernel/inputpersistenceblock.h"
namespace Sword25 {
// -----------------------------------------------------------------------------
// Logging
// -----------------------------------------------------------------------------
#define BS_LOG_PREFIX "STATICBITMAP"
// -----------------------------------------------------------------------------
// Konstruktion / Destruktion
// -----------------------------------------------------------------------------
StaticBitmap::StaticBitmap(RenderObjectPtr<RenderObject> parentPtr, const Common::String &filename) :
Bitmap(parentPtr, TYPE_STATICBITMAP) {
// Das BS_Bitmap konnte nicht erzeugt werden, daher muss an dieser Stelle abgebrochen werden.
if (!_initSuccess)
return;
_initSuccess = initBitmapResource(filename);
}
// -----------------------------------------------------------------------------
StaticBitmap::StaticBitmap(InputPersistenceBlock &reader, RenderObjectPtr<RenderObject> parentPtr, uint handle) :
Bitmap(parentPtr, TYPE_STATICBITMAP, handle) {
_initSuccess = unpersist(reader);
}
// -----------------------------------------------------------------------------
bool StaticBitmap::initBitmapResource(const Common::String &filename) {
// Bild-Resource laden
Resource *resourcePtr = Kernel::GetInstance()->GetResourceManager()->RequestResource(filename);
if (!resourcePtr) {
BS_LOG_ERRORLN("Could not request resource \"%s\".", filename.c_str());
return false;
}
if (resourcePtr->GetType() != Resource::TYPE_BITMAP) {
BS_LOG_ERRORLN("Requested resource \"%s\" is not a bitmap.", filename.c_str());
return false;
}
BitmapResource *bitmapPtr = static_cast<BitmapResource *>(resourcePtr);
// Den eindeutigen Dateinamen zum sp�teren Referenzieren speichern
_resourceFilename = bitmapPtr->getFileName();
// RenderObject Eigenschaften aktualisieren
_originalWidth = _width = bitmapPtr->getWidth();
_originalHeight = _height = bitmapPtr->getHeight();
// Bild-Resource freigeben
bitmapPtr->release();
return true;
}
// -----------------------------------------------------------------------------
StaticBitmap::~StaticBitmap() {
}
// -----------------------------------------------------------------------------
bool StaticBitmap::doRender() {
// Bitmap holen
Resource *resourcePtr = Kernel::GetInstance()->GetResourceManager()->RequestResource(_resourceFilename);
BS_ASSERT(resourcePtr);
BS_ASSERT(resourcePtr->GetType() == Resource::TYPE_BITMAP);
BitmapResource *bitmapResourcePtr = static_cast<BitmapResource *>(resourcePtr);
// Framebufferobjekt holen
GraphicEngine *gfxPtr = static_cast<GraphicEngine *>(Kernel::GetInstance()->GetService("gfx"));
BS_ASSERT(gfxPtr);
// Bitmap zeichnen
bool result;
if (_scaleFactorX == 1.0f && _scaleFactorY == 1.0f) {
result = bitmapResourcePtr->blit(_absoluteX, _absoluteY,
(_flipV ? BitmapResource::FLIP_V : 0) |
(_flipH ? BitmapResource::FLIP_H : 0),
0, _modulationColor, -1, -1);
} else {
result = bitmapResourcePtr->blit(_absoluteX, _absoluteY,
(_flipV ? BitmapResource::FLIP_V : 0) |
(_flipH ? BitmapResource::FLIP_H : 0),
0, _modulationColor, _width, _height);
}
// Resource freigeben
bitmapResourcePtr->release();
return result;
}
// -----------------------------------------------------------------------------
uint StaticBitmap::getPixel(int x, int y) const {
BS_ASSERT(x >= 0 && x < _width);
BS_ASSERT(y >= 0 && y < _height);
Resource *pResource = Kernel::GetInstance()->GetResourceManager()->RequestResource(_resourceFilename);
BS_ASSERT(pResource->GetType() == Resource::TYPE_BITMAP);
BitmapResource *pBitmapResource = static_cast<BitmapResource *>(pResource);
uint result = pBitmapResource->getPixel(x, y);
pResource->release();
return result;
}
// -----------------------------------------------------------------------------
bool StaticBitmap::setContent(const byte *pixeldata, uint size, uint offset, uint stride) {
BS_LOG_ERRORLN("SetContent() ist not supported with this object.");
return false;
}
// -----------------------------------------------------------------------------
// Auskunftsmethoden
// -----------------------------------------------------------------------------
bool StaticBitmap::isAlphaAllowed() const {
Resource *pResource = Kernel::GetInstance()->GetResourceManager()->RequestResource(_resourceFilename);
BS_ASSERT(pResource->GetType() == Resource::TYPE_BITMAP);
bool result = static_cast<BitmapResource *>(pResource)->isAlphaAllowed();
pResource->release();
return result;
}
// -----------------------------------------------------------------------------
bool StaticBitmap::isColorModulationAllowed() const {
Resource *pResource = Kernel::GetInstance()->GetResourceManager()->RequestResource(_resourceFilename);
BS_ASSERT(pResource->GetType() == Resource::TYPE_BITMAP);
bool result = static_cast<BitmapResource *>(pResource)->isColorModulationAllowed();
pResource->release();
return result;
}
// -----------------------------------------------------------------------------
bool StaticBitmap::isScalingAllowed() const {
Resource *pResource = Kernel::GetInstance()->GetResourceManager()->RequestResource(_resourceFilename);
BS_ASSERT(pResource->GetType() == Resource::TYPE_BITMAP);
bool result = static_cast<BitmapResource *>(pResource)->isScalingAllowed();
pResource->release();
return result;
}
// -----------------------------------------------------------------------------
// Persistenz
// -----------------------------------------------------------------------------
bool StaticBitmap::persist(OutputPersistenceBlock &writer) {
bool result = true;
result &= Bitmap::persist(writer);
writer.write(_resourceFilename);
result &= RenderObject::persistChildren(writer);
return result;
}
bool StaticBitmap::unpersist(InputPersistenceBlock &reader) {
bool result = true;
result &= Bitmap::unpersist(reader);
Common::String resourceFilename;
reader.read(resourceFilename);
result &= initBitmapResource(resourceFilename);
result &= RenderObject::unpersistChildren(reader);
return reader.isGood() && result;
}
} // End of namespace Sword25
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