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agg2d.inl
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//----------------------------------------------------------------------------
// Agg2D - Version 1.0
// Based on Anti-Grain Geometry
// Copyright (C) 2005 Maxim Shemanarev (http://www.antigrain.com)
//
// Permission to copy, use, modify, sell and distribute this software
// is granted provided this copyright notice appears in all copies.
// This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
//
//----------------------------------------------------------------------------
// Contact: [email protected]
// http://www.antigrain.com
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
//
// 25 Jan 2007 - Ported to AGG 2.4 Jerry Evans ([email protected])
// 11 Jul 2009 - significant refactors for introduction to desmume
//
//----------------------------------------------------------------------------
#include "agg2d.h"
static const double g_approxScale = 2.0;
#define TAGG2D Agg2D AGG2D_TEMPLATE_ARG
#define TAGG2DRENDERER Agg2DRenderer <PixFormatSet,PixFormatSet>
//AGG2D_TEMPLATE inline bool operator == (const TAGG2D::Color& c1, const TAGG2D::Color& c2)
//{
// return c1.r == c2.r && c1.g == c2.g && c1.b == c2.b && c1.a == c2.a;
//}
//
//AGG2D_TEMPLATE inline bool operator != (const Agg2D<PixFormat>::Color& c1, const Agg2D<PixFormat>::Color& c2)
//{
// return !(c1 == c2);
//}
AGG2D_TEMPLATE inline TAGG2D::~Agg2D()
{
#ifdef AGG2D_USE_VECTORFONTS
#ifndef AGG2D_USE_FREETYPE
::ReleaseDC(0, m_fontDC);
#endif
#endif
}
AGG2D_TEMPLATE inline TAGG2D::Agg2D() :
m_rbuf(),
m_pixFormat(m_rbuf),
m_pixFormatComp(m_rbuf),
m_pixFormatPre(m_rbuf),
m_pixFormatCompPre(m_rbuf),
m_renBase(m_pixFormat),
m_renBaseComp(m_pixFormatComp),
m_renBasePre(m_pixFormatPre),
m_renBaseCompPre(m_pixFormatCompPre),
m_renSolid(m_renBase),
m_renSolidComp(m_renBaseComp),
m_allocator(),
m_clipBox(0,0,0,0),
m_blendMode(BlendAlpha),
m_imageBlendMode(BlendDst),
m_imageBlendColor(0,0,0),
m_scanline(),
m_rasterizer(),
m_masterAlpha(1.0),
m_antiAliasGamma(1.0),
m_font(agg::gse4x6),
m_fillColor(255, 255, 255),
m_lineColor(0, 0, 0),
m_fillGradient(),
m_lineGradient(),
m_lineCap(CAP_ROUND),
m_lineJoin(JOIN_ROUND),
m_fillGradientFlag(Solid),
m_lineGradientFlag(Solid),
m_fillGradientMatrix(),
m_lineGradientMatrix(),
m_fillGradientD1(0.0),
m_lineGradientD1(0.0),
m_fillGradientD2(100.0),
m_lineGradientD2(100.0),
m_textAngle(0.0),
m_textAlignX(AlignLeft),
m_textAlignY(AlignBottom),
m_textHints(true),
m_fontHeight(0.0),
m_fontAscent(0.0),
m_fontDescent(0.0),
m_fontCacheType(RasterFontCache),
m_imageFilter(Bilinear), //less quality more speed
//m_imageFilter(NoFilter),
m_imageResample(NoResample),
m_imageFilterLut(agg::image_filter_bilinear(), true),
m_fillGradientInterpolator(m_fillGradientMatrix),
m_lineGradientInterpolator(m_lineGradientMatrix),
m_linearGradientFunction(),
m_radialGradientFunction(),
m_lineWidth(1),
m_evenOddFlag(false),
m_start_x(0.0),
m_start_y(0.0),
m_path(),
m_transform(),
m_convCurve(m_path),
m_convStroke(m_convCurve),
m_pathTransform(m_convCurve, m_transform),
m_strokeTransform(m_convStroke, m_transform)
#ifdef AGG2D_USE_VECTORFONTS
#ifdef AGG2D_USE_FREETYPE
, m_fontEngine(),
#else
m_fontDC(::GetDC(0)),
m_fontEngine(m_fontDC),
#endif
m_fontCacheManager(m_fontEngine)
#endif
{
lineCap(m_lineCap);
lineJoin(m_lineJoin);
}
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::saveStateTo(State& st)
{
st.m_clipBox = m_clipBox;
st.m_blendMode = m_blendMode;
st.m_imageBlendMode = m_imageBlendMode;
st.m_imageBlendColor = m_imageBlendColor;
st.m_masterAlpha = m_masterAlpha;
st.m_antiAliasGamma = m_antiAliasGamma;
st.m_font = m_font;
st.m_fillColor = m_fillColor;
st.m_lineColor = m_lineColor;
st.m_fillGradient = m_fillGradient;
st.m_lineGradient = m_lineGradient;
st.m_lineCap = m_lineCap;
st.m_lineJoin = m_lineJoin;
st.m_fillGradientFlag = m_fillGradientFlag;
st.m_lineGradientFlag = m_lineGradientFlag;
st.m_fillGradientMatrix = m_fillGradientMatrix;
st.m_lineGradientMatrix = m_lineGradientMatrix;
st.m_fillGradientD1 = m_fillGradientD1;
st.m_lineGradientD1 = m_lineGradientD1;
st.m_fillGradientD2 = m_fillGradientD2;
st.m_lineGradientD2 = m_lineGradientD2;
st.m_textAngle = m_textAngle;
st.m_textAlignX = m_textAlignX;
st.m_textAlignY = m_textAlignY;
st.m_textHints = m_textHints;
st.m_fontHeight = m_fontHeight;
st.m_fontAscent = m_fontAscent;
st.m_fontDescent = m_fontDescent;
st.m_fontCacheType = m_fontCacheType;
st.m_lineWidth = m_lineWidth;
st.m_evenOddFlag = m_evenOddFlag;
st.m_transform = m_transform;
st.m_affine = m_affine;
}
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::restoreStateFrom(const State& st)
{
m_clipBox = st.m_clipBox;
m_blendMode = st.m_blendMode;
m_imageBlendMode = st.m_imageBlendMode;
m_imageBlendColor = st.m_imageBlendColor;
m_masterAlpha = st.m_masterAlpha;
m_antiAliasGamma = st.m_antiAliasGamma;
m_font = st.m_font;
m_fillColor = st.m_fillColor;
m_lineColor = st.m_lineColor;
m_fillGradient = st.m_fillGradient;
m_lineGradient = st.m_lineGradient;
m_lineCap = st.m_lineCap;
m_lineJoin = st.m_lineJoin;
m_fillGradientFlag = st.m_fillGradientFlag;
m_lineGradientFlag = st.m_lineGradientFlag;
m_fillGradientMatrix = st.m_fillGradientMatrix;
m_lineGradientMatrix = st.m_lineGradientMatrix;
m_fillGradientD1 = st.m_fillGradientD1;
m_lineGradientD1 = st.m_lineGradientD1;
m_fillGradientD2 = st.m_fillGradientD2;
m_lineGradientD2 = st.m_lineGradientD2;
m_textAngle = st.m_textAngle;
m_textAlignX = st.m_textAlignX;
m_textAlignY = st.m_textAlignY;
m_textHints = st.m_textHints;
m_fontHeight = st.m_fontHeight;
m_fontAscent = st.m_fontAscent;
m_fontDescent = st.m_fontDescent;
m_fontCacheType = st.m_fontCacheType;
m_lineWidth = st.m_lineWidth;
m_evenOddFlag = st.m_evenOddFlag;
m_affine = st.m_affine;
m_transform = st.m_transform;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::attach(unsigned char* buf, unsigned width, unsigned height, int stride)
{
m_rbuf.attach(buf, width, height, stride);
m_renBase.reset_clipping(true);
m_renBaseComp.reset_clipping(true);
m_renBasePre.reset_clipping(true);
m_renBaseCompPre.reset_clipping(true);
//why is all this reset here???? seems silly.
resetTransformations();
lineWidth(1.0),
lineColor(0,0,0);
fillColor(255,255,255);
clipBox(0, 0, width, height);
lineCap(CAP_ROUND);
lineJoin(JOIN_ROUND);
#ifdef AGG2D_USE_VECTORFONTS
textAlignment(AlignLeft, AlignBottom);
flipText(false);
#endif
imageFilter(Bilinear); //less quality more speed
//imageFilter(NoFilter);
imageResample(NoResample);
m_masterAlpha = 1.0;
m_antiAliasGamma = 1.0;
m_rasterizer.gamma(agg::gamma_none());
m_blendMode = BlendAlpha;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::attach(MyImage& img)
{
attach(img.renBuf.buf(), img.renBuf.width(), img.renBuf.height(), img.renBuf.stride());
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::clipBox(double x1, double y1, double x2, double y2)
{
m_viewport.transform(&x1, &y1); //
m_viewport.transform(&x2, &y2); // see: http://article.gmane.org/gmane.comp.graphics.agg/3543
m_clipBox = RectD(x1, y1, x2, y2);
int rx1 = int(x1);
int ry1 = int(y1);
int rx2 = int(x2);
int ry2 = int(y2);
m_renBase.clip_box(rx1, ry1, rx2, ry2);
m_renBaseComp.clip_box(rx1, ry1, rx2, ry2);
m_renBasePre.clip_box(rx1, ry1, rx2, ry2);
m_renBaseCompPre.clip_box(rx1, ry1, rx2, ry2);
// m_rasterizer.clip_box(x1, y1, x2, y2);
m_rasterizer.clip_box(m_renBase.xmin(), m_renBase.ymin(),
m_renBase.xmax()+1, m_renBase.ymax()+1); // see link above
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::blendMode(BlendMode m)
{
m_blendMode = m;
m_pixFormatComp.comp_op(m);
m_pixFormatCompPre.comp_op(m);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE typename Agg2D AGG2D_TEMPLATE_ARG ::BlendMode Agg2D AGG2D_TEMPLATE_ARG ::blendMode() const
{
return m_blendMode;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::imageBlendMode(BlendMode m)
{
m_imageBlendMode = m;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE typename Agg2D AGG2D_TEMPLATE_ARG ::BlendMode Agg2D AGG2D_TEMPLATE_ARG ::imageBlendMode() const
{
return m_imageBlendMode;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::imageBlendColor(Color c)
{
m_imageBlendColor = c;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::imageBlendColor(unsigned r, unsigned g, unsigned b, unsigned a)
{
imageBlendColor(Color(r, g, b, a));
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE typename Agg2D AGG2D_TEMPLATE_ARG ::Color Agg2D AGG2D_TEMPLATE_ARG ::imageBlendColor() const
{
return m_imageBlendColor;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::masterAlpha(double a)
{
m_masterAlpha = a;
updateRasterizerGamma();
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE double Agg2D AGG2D_TEMPLATE_ARG ::masterAlpha() const
{
return m_masterAlpha;
}
//------------------------------------------------------------------------+
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::antiAliasGamma(double g)
{
m_antiAliasGamma = g;
updateRasterizerGamma();
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE double Agg2D AGG2D_TEMPLATE_ARG ::antiAliasGamma() const
{
return m_antiAliasGamma;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE Agg2DBase::RectD Agg2D AGG2D_TEMPLATE_ARG ::clipBox() const
{
return m_clipBox;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::clearAll(Color c)
{
m_renBase.clear(c);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::clearAll(unsigned r, unsigned g, unsigned b, unsigned a)
{
clearAll(Color(r, g, b, a));
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::clearClipBox(Color c)
{
m_renBase.copy_bar(0, 0, m_renBase.width(), m_renBase.height(), c);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::clearClipBox(unsigned r, unsigned g, unsigned b, unsigned a)
{
clearClipBox(Color(r, g, b, a));
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::worldToScreen(double& x, double& y) const
{
m_transform.transform(&x, &y);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::screenToWorld(double& x, double& y) const
{
m_transform.inverse_transform(&x, &y);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE double Agg2D AGG2D_TEMPLATE_ARG ::worldToScreen(double scalar) const
{
double x1 = 0;
double y1 = 0;
double x2 = scalar;
double y2 = scalar;
worldToScreen(x1, y1);
worldToScreen(x2, y2);
return sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1)) * 0.7071068;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE double Agg2D AGG2D_TEMPLATE_ARG ::screenToWorld(double scalar) const
{
double x1 = 0;
double y1 = 0;
double x2 = scalar;
double y2 = scalar;
screenToWorld(x1, y1);
screenToWorld(x2, y2);
return sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1)) * 0.7071068;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::alignPoint(double& x, double& y) const
{
worldToScreen(x, y);
x = floor(x) + 0.5;
y = floor(y) + 0.5;
screenToWorld(x, y);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE bool Agg2D AGG2D_TEMPLATE_ARG ::inBox(double worldX, double worldY) const
{
worldToScreen(worldX, worldY);
return m_renBase.inbox(int(worldX), int(worldY));
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE Agg2DBase::Transformations Agg2D AGG2D_TEMPLATE_ARG ::transformations() const
{
Transformations tr;
m_transform.store_to(tr.affineMatrix);
return tr;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE const Agg2DBase::Affine& Agg2D AGG2D_TEMPLATE_ARG ::affine() const
{
return m_affine;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::affine(const Affine& af)
{
m_affine = af;
updateTransformations();
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::transformations(const Transformations& tr)
{
m_transform.load_from(tr.affineMatrix);
m_convCurve.approximation_scale(worldToScreen(1.0) * g_approxScale);
m_convStroke.approximation_scale(worldToScreen(1.0) * g_approxScale);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::resetTransformations()
{
m_transform.reset();
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::updateTransformations()
{
m_transform = m_affine;
m_transform *= m_viewport;
m_convCurve.approximation_scale(worldToScreen(1.0) * g_approxScale);
m_convStroke.approximation_scale(worldToScreen(1.0) * g_approxScale);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::rotate(double angle)
{
m_affine.premultiply(agg::trans_affine_rotation(angle));
updateTransformations();
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::rotate(double angle, double cx, double cy)
{
agg::trans_affine_translation m(-cx, -cy);
m *= agg::trans_affine_rotation(angle);
m *= agg::trans_affine_translation(cx, cy);
m_affine.premultiply(m);
updateTransformations();
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::skew(double sx, double sy)
{
m_affine.premultiply(agg::trans_affine_skewing(sx, sy));
updateTransformations();
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::translate(double x, double y)
{
m_affine.premultiply(agg::trans_affine_translation(x, y));
updateTransformations();
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::matrix(const Affine& tr)
{
m_affine.premultiply(tr);
updateTransformations();
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::matrix(const Transformations& tr)
{
matrix(agg::trans_affine(tr.affineMatrix[0], tr.affineMatrix[1], tr.affineMatrix[2],
tr.affineMatrix[3], tr.affineMatrix[4], tr.affineMatrix[5]));
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::scale(double s)
{
m_affine.premultiply(agg::trans_affine_scaling(s));
updateTransformations();
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::scale(double sx, double sy)
{
m_affine.premultiply(agg::trans_affine_scaling(sx, sy));
updateTransformations();
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::parallelogram(double x1, double y1, double x2, double y2, const double* para)
{
m_affine.premultiply(agg::trans_affine(x1, y1, x2, y2, para));
updateTransformations();
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::viewport(double worldX1, double worldY1, double worldX2, double worldY2,
double screenX1, double screenY1, double screenX2, double screenY2,
ViewportOption opt, WindowFitLogic fl)
{
agg::trans_viewport vp;
agg::aspect_ratio_e ar =
(fl == WindowFitLogic_meet) ? agg::aspect_ratio_meet :
agg::aspect_ratio_slice;
switch(opt)
{
case Anisotropic: vp.preserve_aspect_ratio(0.0, 0.0, agg::aspect_ratio_stretch); break;
case XMinYMin: vp.preserve_aspect_ratio(0.0, 0.0, ar); break;
case XMidYMin: vp.preserve_aspect_ratio(0.5, 0.0, ar); break;
case XMaxYMin: vp.preserve_aspect_ratio(1.0, 0.0, ar); break;
case XMinYMid: vp.preserve_aspect_ratio(0.0, 0.5, ar); break;
case XMidYMid: vp.preserve_aspect_ratio(0.5, 0.5, ar); break;
case XMaxYMid: vp.preserve_aspect_ratio(1.0, 0.5, ar); break;
case XMinYMax: vp.preserve_aspect_ratio(0.0, 1.0, ar); break;
case XMidYMax: vp.preserve_aspect_ratio(0.5, 1.0, ar); break;
case XMaxYMax: vp.preserve_aspect_ratio(1.0, 1.0, ar); break;
}
vp.world_viewport(worldX1, worldY1, worldX2, worldY2);
vp.device_viewport(screenX1, screenY1, screenX2, screenY2);
m_viewport = vp.to_affine();
updateTransformations();
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::fillColor(Color c)
{
m_fillColor = c;
m_fillGradientFlag = Solid;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::fillColor(unsigned r, unsigned g, unsigned b, unsigned a)
{
fillColor(Color(r, g, b, a));
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::noFill()
{
fillColor(Color(0, 0, 0, 0));
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::lineColor(Color c)
{
m_lineColor = c;
m_lineGradientFlag = Solid;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::lineColor(unsigned r, unsigned g, unsigned b, unsigned a)
{
lineColor(Color(r, g, b, a));
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void Agg2D AGG2D_TEMPLATE_ARG ::noLine()
{
lineColor(Color(0, 0, 0, 0));
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE typename TAGG2D::Color TAGG2D::fillColor() const
{
return m_fillColor;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE typename TAGG2D::Color TAGG2D::lineColor() const
{
return m_lineColor;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::fillLinearGradient(double x1, double y1, double x2, double y2, Color c1, Color c2, double profile)
{
int i;
int startGradient = 128 - int(profile * 127.0);
int endGradient = 128 + int(profile * 127.0);
if (endGradient <= startGradient) endGradient = startGradient + 1;
double k = 1.0 / double(endGradient - startGradient);
for (i = 0; i < startGradient; i++)
{
m_fillGradient[i] = c1;
}
for (; i < endGradient; i++)
{
m_fillGradient[i] = c1.gradient(c2, double(i - startGradient) * k);
}
for (; i < 256; i++)
{
m_fillGradient[i] = c2;
}
double angle = atan2(y2-y1, x2-x1);
m_fillGradientMatrix.reset();
m_fillGradientMatrix *= agg::trans_affine_rotation(angle);
m_fillGradientMatrix *= agg::trans_affine_translation(x1, y1);
m_fillGradientMatrix *= m_transform;
m_fillGradientMatrix.invert();
m_fillGradientD1 = 0.0;
m_fillGradientD2 = sqrt((x2-x1) * (x2-x1) + (y2-y1) * (y2-y1));
m_fillGradientFlag = Linear;
m_fillColor = Color(0,0,0); // Set some real color
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::lineLinearGradient(double x1, double y1, double x2, double y2, Color c1, Color c2, double profile)
{
int i;
int startGradient = 128 - int(profile * 128.0);
int endGradient = 128 + int(profile * 128.0);
if (endGradient <= startGradient) endGradient = startGradient + 1;
double k = 1.0 / double(endGradient - startGradient);
for (i = 0; i < startGradient; i++)
{
m_lineGradient[i] = c1;
}
for (; i < endGradient; i++)
{
m_lineGradient[i] = c1.gradient(c2, double(i - startGradient) * k);
}
for (; i < 256; i++)
{
m_lineGradient[i] = c2;
}
double angle = atan2(y2-y1, x2-x1);
m_lineGradientMatrix.reset();
m_lineGradientMatrix *= agg::trans_affine_rotation(angle);
m_lineGradientMatrix *= agg::trans_affine_translation(x1, y1);
m_fillGradientMatrix *= m_transform;
m_lineGradientMatrix.invert();
m_lineGradientD1 = 0;
m_lineGradientD2 = sqrt((x2-x1) * (x2-x1) + (y2-y1) * (y2-y1));
m_lineGradientFlag = Linear;
m_lineColor = Color(0,0,0); // Set some real color
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::fillRadialGradient(double x, double y, double r, Color c1, Color c2, double profile)
{
int i;
int startGradient = 128 - int(profile * 127.0);
int endGradient = 128 + int(profile * 127.0);
if (endGradient <= startGradient) endGradient = startGradient + 1;
double k = 1.0 / double(endGradient - startGradient);
for (i = 0; i < startGradient; i++)
{
m_fillGradient[i] = c1;
}
for (; i < endGradient; i++)
{
m_fillGradient[i] = c1.gradient(c2, double(i - startGradient) * k);
}
for (; i < 256; i++)
{
m_fillGradient[i] = c2;
}
m_fillGradientD2 = worldToScreen(r);
worldToScreen(x, y);
m_fillGradientMatrix.reset();
m_fillGradientMatrix *= agg::trans_affine_translation(x, y);
m_fillGradientMatrix.invert();
m_fillGradientD1 = 0;
m_fillGradientFlag = Radial;
m_fillColor = Color(0,0,0); // Set some real color
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::lineRadialGradient(double x, double y, double r, Color c1, Color c2, double profile)
{
int i;
int startGradient = 128 - int(profile * 128.0);
int endGradient = 128 + int(profile * 128.0);
if (endGradient <= startGradient) endGradient = startGradient + 1;
double k = 1.0 / double(endGradient - startGradient);
for (i = 0; i < startGradient; i++)
{
m_lineGradient[i] = c1;
}
for (; i < endGradient; i++)
{
m_lineGradient[i] = c1.gradient(c2, double(i - startGradient) * k);
}
for (; i < 256; i++)
{
m_lineGradient[i] = c2;
}
m_lineGradientD2 = worldToScreen(r);
worldToScreen(x, y);
m_lineGradientMatrix.reset();
m_lineGradientMatrix *= agg::trans_affine_translation(x, y);
m_lineGradientMatrix.invert();
m_lineGradientD1 = 0;
m_lineGradientFlag = Radial;
m_lineColor = Color(0,0,0); // Set some real color
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::fillRadialGradient(double x, double y, double r, Color c1, Color c2, Color c3)
{
int i;
for (i = 0; i < 128; i++)
{
m_fillGradient[i] = c1.gradient(c2, double(i) / 127.0);
}
for (; i < 256; i++)
{
m_fillGradient[i] = c2.gradient(c3, double(i - 128) / 127.0);
}
m_fillGradientD2 = worldToScreen(r);
worldToScreen(x, y);
m_fillGradientMatrix.reset();
m_fillGradientMatrix *= agg::trans_affine_translation(x, y);
m_fillGradientMatrix.invert();
m_fillGradientD1 = 0;
m_fillGradientFlag = Radial;
m_fillColor = Color(0,0,0); // Set some real color
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::lineRadialGradient(double x, double y, double r, Color c1, Color c2, Color c3)
{
int i;
for (i = 0; i < 128; i++)
{
m_lineGradient[i] = c1.gradient(c2, double(i) / 127.0);
}
for (; i < 256; i++)
{
m_lineGradient[i] = c2.gradient(c3, double(i - 128) / 127.0);
}
m_lineGradientD2 = worldToScreen(r);
worldToScreen(x, y);
m_lineGradientMatrix.reset();
m_lineGradientMatrix *= agg::trans_affine_translation(x, y);
m_lineGradientMatrix.invert();
m_lineGradientD1 = 0;
m_lineGradientFlag = Radial;
m_lineColor = Color(0,0,0); // Set some real color
}
AGG2D_TEMPLATE void TAGG2D::fillRadialGradient(double x, double y, double r)
{
m_fillGradientD2 = worldToScreen(r);
worldToScreen(x, y);
m_fillGradientMatrix.reset();
m_fillGradientMatrix *= agg::trans_affine_translation(x, y);
m_fillGradientMatrix.invert();
m_fillGradientD1 = 0;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::lineRadialGradient(double x, double y, double r)
{
m_lineGradientD2 = worldToScreen(r);
worldToScreen(x, y);
m_lineGradientMatrix.reset();
m_lineGradientMatrix *= agg::trans_affine_translation(x, y);
m_lineGradientMatrix.invert();
m_lineGradientD1 = 0;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::lineWidth(double w)
{
m_lineWidth = w;
m_convStroke.width(w);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE double TAGG2D::lineWidth() const
{
return m_lineWidth;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::fillEvenOdd(bool evenOddFlag)
{
m_evenOddFlag = evenOddFlag;
m_rasterizer.filling_rule(evenOddFlag ? agg::fill_even_odd : agg::fill_non_zero);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE bool TAGG2D::fillEvenOdd() const
{
return m_evenOddFlag;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::lineCap(LineCap cap)
{
m_lineCap = cap;
m_convStroke.line_cap((agg::line_cap_e)cap);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE Agg2DBase::LineCap TAGG2D::lineCap() const
{
return m_lineCap;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::lineJoin(LineJoin join)
{
m_lineJoin = join;
m_convStroke.line_join((agg::line_join_e)join);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE Agg2DBase::LineJoin TAGG2D::lineJoin() const
{
return m_lineJoin;
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::addLine(double x1, double y1, double x2, double y2)
{
m_path.move_to(x1, y1);
m_path.line_to(x2, y2);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::line(double x1, double y1, double x2, double y2)
{
m_path.remove_all();
addLine(x1, y1, x2, y2);
drawPath(StrokeOnly);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::triangle(double x1, double y1, double x2, double y2, double x3, double y3)
{
m_path.remove_all();
m_path.move_to(x1, y1);
m_path.line_to(x2, y2);
m_path.line_to(x3, y3);
m_path.close_polygon();
drawPath(FillAndStroke);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::rectangle(double x1, double y1, double x2, double y2)
{
m_path.remove_all();
m_path.move_to(x1, y1);
m_path.line_to(x2, y1);
m_path.line_to(x2, y2);
m_path.line_to(x1, y2);
m_path.close_polygon();
drawPath(FillAndStroke);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::roundedRect(double x1, double y1, double x2, double y2, double r)
{
m_path.remove_all();
agg::rounded_rect rc(x1, y1, x2, y2, r);
rc.normalize_radius();
rc.approximation_scale(worldToScreen(1.0) * g_approxScale);
// JME audit
//m_path.add_path(rc, 0, false);
m_path.concat_path(rc,0);
drawPath(FillAndStroke);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::roundedRect(double x1, double y1, double x2, double y2, double rx, double ry)
{
m_path.remove_all();
agg::rounded_rect rc;
rc.rect(x1, y1, x2, y2);
rc.radius(rx, ry);
rc.normalize_radius();
//m_path.add_path(rc, 0, false);
m_path.concat_path(rc,0); // JME
drawPath(FillAndStroke);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::roundedRect(double x1, double y1, double x2, double y2,
double rx_bottom, double ry_bottom,
double rx_top, double ry_top)
{
m_path.remove_all();
agg::rounded_rect rc;
rc.rect(x1, y1, x2, y2);
rc.radius(rx_bottom, ry_bottom, rx_top, ry_top);
rc.normalize_radius();
rc.approximation_scale(worldToScreen(1.0) * g_approxScale);
//m_path.add_path(rc, 0, false);
m_path.concat_path(rc,0); // JME
drawPath(FillAndStroke);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::ellipse(double cx, double cy, double rx, double ry)
{
m_path.remove_all();
agg::bezier_arc arc(cx, cy, rx, ry, 0, 2*pi());
//m_path.add_path(arc, 0, false);
m_path.concat_path(arc,0); // JME
m_path.close_polygon();
drawPath(FillAndStroke);
}
//------------------------------------------------------------------------
AGG2D_TEMPLATE void TAGG2D::arc(double cx, double cy, double rx, double ry, double start, double sweep)
{
m_path.remove_all();
agg::bezier_arc arc(cx, cy, rx, ry, start, sweep);
//m_path.add_path(arc, 0, false);
m_path.concat_path(arc,0); // JME
drawPath(StrokeOnly);
}