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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/image/vectorimagerenderer.h"
#include "sword25/gfx/image/vectorimage.h"
#if 0 // TODO
#include "agg_conv_curve.h"
#include "agg_path_storage.h"
#include "agg_conv_stroke.h"
#endif
namespace Sword25 {
#if 0 // TODO
// -----------------------------------------------------------------------------
// CompoundShape
// -----------------------------------------------------------------------------
class CompoundShape {
public:
CompoundShape(const BS_VectorImageElement &VectorImageElement) :
m_ImageElement(VectorImageElement),
m_Path(VectorImageElement.GetPaths()),
m_Affine(),
m_Curve(m_Path),
m_Trans(m_Curve, m_Affine)
{}
unsigned operator [](unsigned i) const {
return m_ImageElement.GetPathInfo(i).GetID();
}
unsigned paths() const {
return m_ImageElement.GetPathCount();
}
void rewind(unsigned path_id) {
m_Trans.rewind(path_id);
}
unsigned vertex(double *x, double *y) {
return m_Trans.vertex(x, y);
}
private:
const BS_VectorImageElement &m_ImageElement;
agg::path_storage m_Path;
agg::trans_affine m_Affine;
agg::conv_curve<agg::path_storage> m_Curve;
agg::conv_transform< agg::conv_curve<agg::path_storage> > m_Trans;
};
// -----------------------------------------------------------------------------
// StyleHandler
// -----------------------------------------------------------------------------
class StyleHandler {
public:
StyleHandler(const BS_VectorImageElement &VectorImageElement) : m_ImageElement(VectorImageElement) {}
bool is_solid(unsigned int style) const {
return true;
}
const agg::rgba8 &color(unsigned style) const {
return m_ImageElement.GetFillStyleColor(style);
}
void generate_span(agg::rgba8 *span, int x, int y, unsigned len, unsigned style) {
// Wird nicht benutzt
return;
}
private:
const BS_VectorImageElement &m_ImageElement;
};
BS_VectorImageRenderer::BS_VectorImageRenderer() :
PixelFormat(rbuf) {
}
bool BS_VectorImageRenderer::Render(const BS_VectorImage &VectorImage,
float ScaleFactorX, float ScaleFactorY,
unsigned int &Width, unsigned int &Height,
byte *ImageData,
float LineScaleFactor,
bool NoAlphaShapes) {
Width = static_cast<unsigned int>(VectorImage.GetWidth() * ScaleFactorX);
Height = static_cast<unsigned int>(VectorImage.GetHeight() * ScaleFactorY);
ImageData.resize(Width * Height * 4);
memset(&ImageData[0], 0, ImageData.size());
rbuf.attach(reinterpret_cast<agg::int8u *>(&ImageData[0]), Width, Height, Width * 4);
BaseRenderer.attach(PixelFormat);
ScanlineRenderer.attach(BaseRenderer);
// Die SWF-Shapes sind h�ufig nicht am Ursprung (0, 0) ausgerichtet, daher wird die Shape vor dem Rendern derart verschoben, dass
// sich die linke obere Ecke der Bounding-Box im Ursprung befindet. Danach wird die Skalierung angewandt.
Scale = agg::trans_affine_translation(- VectorImage.GetBoundingBox().left, - VectorImage.GetBoundingBox().top);
Scale *= agg::trans_affine_scaling(ScaleFactorX, ScaleFactorY);
for (unsigned int element = 0; element < VectorImage.GetElementCount(); ++element) {
const BS_VectorImageElement &CurImageElement = VectorImage.GetElement(element);
CompoundShape ImageCompoundShape(CurImageElement);
StyleHandler ImageStyleHandler(CurImageElement);
agg::conv_transform<CompoundShape> Shape(ImageCompoundShape, Scale);
agg::conv_stroke<agg::conv_transform<CompoundShape> > Stroke(Shape);
// Fill shape
//----------------------
CompoundRasterizer.clip_box(0, 0, Width, Height);
CompoundRasterizer.reset();
for (unsigned int i = 0; i < CurImageElement.GetPathCount(); ++i) {
unsigned int FillStyle0 = CurImageElement.GetPathInfo(i).GetFillStyle0();
unsigned int FillStyle1 = CurImageElement.GetPathInfo(i).GetFillStyle1();
if (NoAlphaShapes) {
if (FillStyle0 != 0 && CurImageElement.GetFillStyleColor(FillStyle0 - 1).a != 255) FillStyle0 = 0;
if (FillStyle1 != 0 && CurImageElement.GetFillStyleColor(FillStyle1 - 1).a != 255) FillStyle1 = 0;
}
if (FillStyle0 != 0 || FillStyle1 != 0) {
CompoundRasterizer.styles(FillStyle0 - 1, FillStyle1 - 1);
CompoundRasterizer.add_path(Shape, CurImageElement.GetPathInfo(i).GetID());
}
}
agg::render_scanlines_compound_layered(CompoundRasterizer, Scanline, BaseRenderer, Alloc, ImageStyleHandler);
// Draw strokes
//----------------------
Rasterizer.clip_box(0, 0, Width, Height);
Stroke.line_join(agg::round_join);
Stroke.line_cap(agg::round_cap);
for (unsigned int i = 0; i < CurImageElement.GetPathCount(); ++i) {
Rasterizer.reset();
unsigned int CurrentLineStyle = CurImageElement.GetPathInfo(i).GetLineStyle();
if (CurrentLineStyle != 0) {
Stroke.width(ScaleFactorX * CurImageElement.GetLineStyleWidth(CurrentLineStyle - 1) * LineScaleFactor);
Rasterizer.add_path(Stroke, CurImageElement.GetPathInfo(i).GetID());
ScanlineRenderer.color(CurImageElement.GetLineStyleColor(CurrentLineStyle - 1));
// HACK
// Die SWF-Frames enthalten zum Teil Reste von gr�nen Linien, die wohl von Bernd als Umriss benutzt wurden.
// Damit diese Reste nicht st�rend auffallen werden gr�ne Linien schlichtweg ignoriert.
if (!(CurImageElement.GetLineStyleColor(CurrentLineStyle - 1).a == 255 &&
CurImageElement.GetLineStyleColor(CurrentLineStyle - 1).r == 0 &&
CurImageElement.GetLineStyleColor(CurrentLineStyle - 1).g == 255 &&
CurImageElement.GetLineStyleColor(CurrentLineStyle - 1).b == 0))
agg::render_scanlines(Rasterizer, Scanline, ScanlineRenderer);
}
}
}
return true;
}
#else
BS_VectorImageRenderer::BS_VectorImageRenderer() {}
bool BS_VectorImageRenderer::Render(const BS_VectorImage &VectorImage,
float ScaleFactorX, float ScaleFactorY,
unsigned int &Width, unsigned int &Height,
byte *ImageData,
float LineScaleFactor,
bool NoAlphaShapes) {
return true;
}
#endif
} // End of namespace Sword25
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