static void Init() {
canvas = NewPixBuf(PIXBUF_CLUT, WIDTH, HEIGHT);
map[0] = NewPixBuf(PIXBUF_GRAY, WIDTH, HEIGHT);
map[1] = NewPixBuf(PIXBUF_GRAY, WIDTH, HEIGHT);
shade = NewPixBuf(PIXBUF_GRAY, WIDTH, HEIGHT);
{
FLineT line;
FPointT pa = { 0, 0 };
FPointT pb = { WIDTH, HEIGHT };
FLineInitFromPoints(&line, &pa, &pb);
LinearGradient(map[0], &line);
}
{
FPointT center = { WIDTH / 2, HEIGHT / 2 };
CircularGradient(map[1], ¢er);
}
InitDisplay(WIDTH, HEIGHT, DEPTH);
LoadPalette(imagePal);
}
END_TEST
START_TEST ( test_LinearGradient_read )
{
std::string s = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<linearGradient id=\"gradient\">\n"
" <stop offset=\"20%\" stop-color=\"#FF0000\"/>\n"
" <stop offset=\"80%\" stop-color=\"#0000FF\"/>\n"
"</linearGradient>\n"
;
XMLInputStream* pStream= new XMLInputStream(s.c_str(),false);
XMLNode* pNode = new XMLNode(*pStream);
// required attributes
LinearGradient l(*pNode);
fail_unless(l.isSetId());
fail_unless(l.getId() == "gradient");
fail_unless(l.getSpreadMethod() == GradientBase::PAD);
fail_unless(l.getNumGradientStops() == 2);
fail_unless(l.getGradientStop(0)->getOffset().getAbsoluteValue() < 1e-9);
fail_unless(fabs((l.getGradientStop(0)->getOffset().getRelativeValue() - 20.0) / 20.0) < 1e-9);
fail_unless(l.getGradientStop(0)->getStopColor() == "#FF0000");
fail_unless(l.getGradientStop(1)->getOffset().getAbsoluteValue() < 1e-9);
fail_unless(fabs((l.getGradientStop(1)->getOffset().getRelativeValue() - 80.0) / 80.0) < 1e-9);
fail_unless(l.getGradientStop(1)->getStopColor() == "#0000FF");
// linear gradient attributes
fail_unless(l.getXPoint1().getAbsoluteValue() < 1e-9);
fail_unless(l.getXPoint1().getRelativeValue() < 1e-9);
fail_unless(l.getYPoint1().getAbsoluteValue() < 1e-9);
fail_unless(l.getYPoint1().getRelativeValue() < 1e-9);
fail_unless(l.getZPoint1().getAbsoluteValue() < 1e-9);
fail_unless(l.getZPoint1().getRelativeValue() < 1e-9);
fail_unless(l.getXPoint2().getAbsoluteValue() < 1e-9);
fail_unless(fabs((l.getXPoint2().getRelativeValue() - 100.0) / 100.0) < 1e-9);
fail_unless(l.getYPoint2().getAbsoluteValue() < 1e-9);
fail_unless(fabs((l.getYPoint2().getRelativeValue() - 100.0) / 100.0) < 1e-9);
fail_unless(l.getZPoint2().getAbsoluteValue() < 1e-9);
fail_unless(fabs((l.getZPoint2().getRelativeValue() - 100.0) / 100.0) < 1e-9);
delete pNode;
delete pStream;
s = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<linearGradient id=\"gradient\" spreadMethod=\"reflect\"\n"
" x1=\"3.0\" y1=\"4.0\" z1=\"5.0\"\n"
" x2=\"6.0\" y2=\"7.0\" z2=\"8.0\">\n"
" <stop offset=\"20%\" stop-color=\"#FF0000\"/>\n"
" <stop offset=\"80%\" stop-color=\"#0000FF\"/>\n"
"</linearGradient>\n"
;
pStream= new XMLInputStream(s.c_str(),false);
pNode = new XMLNode(*pStream);
// optional attributes
l = LinearGradient(*pNode);
fail_unless(l.isSetId());
fail_unless(l.getId() == "gradient");
fail_unless(l.getSpreadMethod() == GradientBase::REFLECT);
fail_unless(l.getNumGradientStops() == 2);
fail_unless(l.getGradientStop(0)->getOffset().getAbsoluteValue() < 1e-9);
fail_unless(fabs((l.getGradientStop(0)->getOffset().getRelativeValue() - 20.0) / 20.0) < 1e-9);
fail_unless(l.getGradientStop(0)->getStopColor() == "#FF0000");
fail_unless(l.getGradientStop(1)->getOffset().getAbsoluteValue() < 1e-9);
fail_unless(fabs((l.getGradientStop(1)->getOffset().getRelativeValue() - 80.0) / 80.0) < 1e-9);
fail_unless(l.getGradientStop(1)->getStopColor() == "#0000FF");
// linear gradient attributes
fail_unless(fabs((l.getXPoint1().getAbsoluteValue() - 3.0) / 3.0) < 1e-9);
fail_unless(l.getXPoint1().getRelativeValue() < 1e-9);
fail_unless(fabs((l.getYPoint1().getAbsoluteValue() - 4.0) / 4.0) < 1e-9);
fail_unless(l.getYPoint1().getRelativeValue() < 1e-9);
fail_unless(fabs((l.getZPoint1().getAbsoluteValue() - 5.0) / 5.0) < 1e-9);
fail_unless(l.getZPoint1().getRelativeValue() < 1e-9);
fail_unless(fabs((l.getXPoint2().getAbsoluteValue() - 6.0) / 6.0) < 1e-9);
fail_unless(l.getXPoint2().getRelativeValue() < 1e-9);
fail_unless(fabs((l.getYPoint2().getAbsoluteValue() - 7.0) / 7.0) < 1e-9);
fail_unless(l.getYPoint2().getRelativeValue() < 1e-9);
fail_unless(fabs((l.getZPoint2().getAbsoluteValue() - 8.0) / 8.0) < 1e-9);
fail_unless(l.getZPoint2().getRelativeValue() < 1e-9);
delete pNode;
delete pStream;
}
int main(int argc,char **argv)
{
// initialize generator
InitTexgen();
// colors
Pixel black,white;
black.Init(0,0,0,255);
white.Init(255,255,255,255);
timeBeginPeriod(1);
sInt startTime = timeGetTime();
for(sInt i=0;i<100;i++)
{
// create gradients
GenTexture gradBW = LinearGradient(0xff000000,0xffffffff);
GenTexture gradWB = LinearGradient(0xffffffff,0xff000000);
GenTexture gradWhite = LinearGradient(0xffffffff,0xffffffff);
// simple noise test texture
GenTexture noise;
noise.Init(256,256);
noise.Noise(gradBW,2,2,6,0.5f,123,GenTexture::NoiseDirect|GenTexture::NoiseBandlimit|GenTexture::NoiseNormalize);
/*// save test image
if(!SaveImage(noise,"noise.tga"))
{
printf("Couldn't write 'noise.tga'!\n");
return 1;
}*/
// 4 "random voronoi" textures with different minimum distances
GenTexture voro[4];
static sInt voroIntens[4] = { 37, 42, 37, 37 };
static sInt voroCount[4] = { 90, 132, 240, 255 };
static sF32 voroDist[4] = { 0.125f, 0.063f, 0.063f, 0.063f };
for(sInt i=0;i<4;i++)
{
voro[i].Init(256,256);
RandomVoronoi(voro[i],gradWhite,voroIntens[i],voroCount[i],voroDist[i]);
}
// linear combination of them
LinearInput inputs[4];
for(sInt i=0;i<4;i++)
{
inputs[i].Tex = &voro[i];
inputs[i].Weight = 1.5f;
inputs[i].UShift = 0.0f;
inputs[i].VShift = 0.0f;
inputs[i].FilterMode = GenTexture::WrapU|GenTexture::WrapV|GenTexture::FilterNearest;
}
GenTexture baseTex;
baseTex.Init(256,256);
baseTex.LinearCombine(black,0.0f,inputs,4);
// blur it
baseTex.Blur(baseTex,0.0074f,0.0074f,1,GenTexture::WrapU|GenTexture::WrapV);
// add a noise layer
GenTexture noiseLayer;
noiseLayer.Init(256,256);
noiseLayer.Noise(LinearGradient(0xff000000,0xff646464),4,4,5,0.995f,3,GenTexture::NoiseDirect|GenTexture::NoiseNormalize|GenTexture::NoiseBandlimit);
baseTex.Paste(baseTex,noiseLayer,0.0f,0.0f,1.0f,0.0f,0.0f,1.0f,GenTexture::CombineAdd,0);
// colorize it
Colorize(baseTex,0xff747d8e,0xfff1feff);
// Create transform matrix for grid pattern
Matrix44 m1,m2,m3;
MatTranslate(m1,-0.5f,-0.5f,0.0f);
MatScale(m2,3.0f * sSQRT2F,3.0f * sSQRT2F,1.0f);
MatMult(m3,m2,m1);
MatRotateZ(m1,0.125f * sPI2F);
MatMult(m2,m1,m3);
MatTranslate(m1,0.5f,0.5f,0.0f);
MatMult(m3,m1,m2);
// Grid pattern GlowRect
GenTexture rect1,rect1x,rect1n;
rect1.Init(256,256);
rect1.LinearCombine(black,1.0f,0,0); // black background
rect1.GlowRect(rect1,gradWB,0.5f,0.5f,0.41f,0.0f,0.0f,0.25f,0.7805f,0.64f);
rect1x.Init(256,256);
rect1x.CoordMatrixTransform(rect1,m3,GenTexture::WrapU|GenTexture::WrapV|GenTexture::FilterBilinear);
// Make a normalmap from it
rect1n.Init(256,256);
rect1n.Derive(rect1x,GenTexture::DeriveNormals,2.5f);
// Apply as bump map
GenTexture finalTex;
Pixel amb,diff;
finalTex.Init(256,256);
amb.Init(0xff101010);
diff.Init(0xffffffff);
finalTex.Bump(baseTex,rect1n,0,0,0.0f,0.0f,0.0f,-2.518f,0.719f,-3.10f,amb,diff,sTRUE);
// Second grid pattern GlowRect
GenTexture rect2,rect2x;
rect2.Init(256,256);
rect2.LinearCombine(white,1.0f,0,0); // white background
rect2.GlowRect(rect2,gradBW,0.5f,0.5f,0.36f,0.0f,0.0f,0.20f,0.8805f,0.74f);
rect2x.Init(256,256);
rect2x.CoordMatrixTransform(rect2,m3,GenTexture::WrapU|GenTexture::WrapV|GenTexture::FilterBilinear);
// Multiply it over
finalTex.Paste(finalTex,rect2x,0.0f,0.0f,1.0f,0.0f,0.0f,1.0f,GenTexture::CombineMultiply,0);
}
sInt totalTime = timeGetTime() - startTime;
timeEndPeriod(1);
printf("%d ms/tex\n",totalTime / 100);
/*SaveImage(baseTex,"baseTex.tga");
SaveImage(finalTex,"final.tga");*/
return 0;
}
