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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/util/glsprites/glsprites.h"
#include "sword25/package/packagemanager.h"
#include "sword25/gfx/image/imageloader.h"
#include "sword25/gfx/opengl/openglgfx.h"
#include "sword25/gfx/opengl/glimage.h"
namespace Sword25 {
#define BS_LOG_PREFIX "GLIMAGE"
// -----------------------------------------------------------------------------
// CONSTRUCTION / DESTRUCTION
// -----------------------------------------------------------------------------
BS_GLImage::BS_GLImage(const Common::String & Filename, bool & Result) :
m_Sprite(0),
m_Width(0),
m_Height(0)
{
Result = false;
BS_PackageManager * pPackage = static_cast<BS_PackageManager*>(BS_Kernel::GetInstance()->GetService("package"));
BS_ASSERT(pPackage);
// Datei laden
char* pFileData;
unsigned int FileSize;
if (!(pFileData = (char*) pPackage->GetFile(Filename, &FileSize)))
{
BS_LOG_ERRORLN("File \"%s\" could not be loaded.", Filename.c_str());
return;
}
// Bildeigenschaften bestimmen
BS_GraphicEngine::COLOR_FORMATS ColorFormat;
int Pitch;
if (!BS_ImageLoader::ExtractImageProperties(pFileData, FileSize, ColorFormat, m_Width, m_Height))
{
BS_LOG_ERRORLN("Could not read image properties.");
return;
}
// Das Bild dekomprimieren
char * pUncompressedData;
if (!BS_ImageLoader::LoadImage(pFileData, FileSize, BS_GraphicEngine::CF_ABGR32, pUncompressedData, m_Width, m_Height, Pitch))
{
BS_LOG_ERRORLN("Could not decode image.");
return;
}
// Dateidaten freigeben
delete[] pFileData;
// GLS-Sprite mit den Bilddaten erstellen
GLS_Result GLSResult = GLS_NewSprite(m_Width, m_Height,
(ColorFormat == BS_GraphicEngine::CF_ARGB32) ? GLS_True : GLS_False,
pUncompressedData,
&m_Sprite);
if (Result != GLS_OK)
{
BS_LOG_ERRORLN("Could not create GLS_Sprite. Reason: %s", GLS_ResultString(GLSResult));
return;
}
// Bilddaten freigeben
delete[] pUncompressedData;
Result = true;
return;
}
// -----------------------------------------------------------------------------
BS_GLImage::BS_GLImage(unsigned int Width, unsigned int Height, bool & Result) :
m_Sprite(0),
m_Width(Width),
m_Height(Height)
{
Result = false;
// GLS-Sprite mit den Bilddaten erstellen
GLS_Result GLSResult = GLS_NewSprite(m_Width, m_Height,
GLS_True,
0,
&m_Sprite);
if (GLSResult != GLS_OK)
{
BS_LOG_ERRORLN("Could not create GLS_Sprite. Reason: %s", GLS_ResultString(GLSResult));
return;
}
Result = true;
return;
}
// -----------------------------------------------------------------------------
BS_GLImage::~BS_GLImage()
{
if (m_Sprite) GLS_DeleteSprite(m_Sprite);
}
// -----------------------------------------------------------------------------
bool BS_GLImage::Fill(const BS_Rect* pFillRect, unsigned int Color)
{
BS_LOG_ERRORLN("Fill() is not supported.");
return false;
}
// -----------------------------------------------------------------------------
bool BS_GLImage::SetContent(const byte *Pixeldata, unsigned int Offset, unsigned int Stride)
{
// �berpr�fen, ob PixelData ausreichend viele Pixel enth�lt um ein Bild der Gr��e Width * Height zu erzeugen
if (Pixeldata.size() < static_cast<unsigned int>(m_Width * m_Height * 4))
{
BS_LOG_ERRORLN("PixelData vector is too small to define a 32 bit %dx%d image.", m_Width, m_Height);
return false;
}
// GLS-Sprite mit den Bilddaten f�llen
GLS_Result GLSResult = GLS_SetSpriteData(m_Sprite, m_Width, m_Height, &Pixeldata[Offset], Stride / 4);
if (GLSResult != GLS_OK)
{
BS_LOG_ERRORLN("CGLS_SetSpriteData() failed. Reason: %s", GLS_ResultString(GLSResult));
return false;
}
return true;
}
// -----------------------------------------------------------------------------
unsigned int BS_GLImage::GetPixel(int X, int Y)
{
BS_LOG_ERRORLN("GetPixel() is not supported. Returning black.");
return 0;
}
// -----------------------------------------------------------------------------
bool BS_GLImage::Blit(int PosX, int PosY,
int Flipping,
BS_Rect* pPartRect,
unsigned int Color,
int Width, int Height)
{
// BS_Rect nach GLS_Rect konvertieren
GLS_Rect SubImage;
if (pPartRect)
{
SubImage.x1 = pPartRect->left;
SubImage.y1 = pPartRect->top;
SubImage.x2 = pPartRect->right;
SubImage.y2 = pPartRect->bottom;
}
// Farbe nach GLS_Color konvertieren
GLS_Color GLSColor;
GLSColor.a = Color >> 24;
GLSColor.r = (Color >> 16) & 0xff;
GLSColor.g = (Color >> 8) & 0xff;
GLSColor.b = Color & 0xff;
// Skalierungen berechnen
GLS_Float ScaleX, ScaleY;
if (Width == -1) Width = m_Width;
ScaleX = (GLS_Float) Width / (GLS_Float) m_Width;
if (Height == -1) Height = m_Height;
ScaleY = (GLS_Float) Height / (GLS_Float) m_Height;
// Rendern
// TODO:
// Die Bedeutung von FLIP_V und FLIP_H ist vertauscht. Allerdings glaubt der Rest der Engine auch daran, daher war es einfacher diesen Fehler
// weiterzuf�hren. Bei Gelegenheit ist dieses aber zu �ndern.
GLS_Result Result = GLS_Blit(m_Sprite,
PosX, PosY,
pPartRect ? &SubImage : 0, &GLSColor,
(Flipping & BS_Image::FLIP_V) ? GLS_True : GLS_False,
(Flipping & BS_Image::FLIP_H) ? GLS_True : GLS_False,
ScaleX, ScaleY);
if (Result != GLS_OK) BS_LOG_ERRORLN("GLS_Blit() failed. Reason: %s", GLS_ResultString(Result));
return Result == GLS_OK;
}
} // End of namespace Sword25
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