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Diffstat (limited to 'engines/sword25/gfx/staticbitmap.cpp')
| -rw-r--r-- | engines/sword25/gfx/staticbitmap.cpp | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/engines/sword25/gfx/staticbitmap.cpp b/engines/sword25/gfx/staticbitmap.cpp new file mode 100644 index 0000000000..7771eb8100 --- /dev/null +++ b/engines/sword25/gfx/staticbitmap.cpp @@ -0,0 +1,221 @@ +/* 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 späteren 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 |