static cairo_test_status_t
preamble (cairo_test_context_t *ctx)
{
cairo_surface_t *surface;
/* get the error surface */
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, INT_MAX, INT_MAX);
#if CAIRO_HAS_GL_SURFACE
cairo_gl_surface_set_size (surface, 0, 0);
cairo_gl_surface_swapbuffers (surface);
#endif
#if CAIRO_HAS_OS2_SURFACE
cairo_os2_surface_set_hwnd (surface, 0);
cairo_os2_surface_set_size (surface, 0, 0);
cairo_os2_surface_set_manual_window_refresh (surface, FALSE);
#endif
#if CAIRO_HAS_PDF_SURFACE
cairo_pdf_surface_restrict_to_version (surface, CAIRO_PDF_VERSION_1_4);
cairo_pdf_surface_set_size (surface, 0, 0);
#endif
#if CAIRO_HAS_PS_SURFACE
cairo_ps_surface_set_eps (surface, FALSE);
cairo_ps_surface_set_size (surface, 0, 0);
cairo_ps_surface_restrict_to_level (surface, CAIRO_PS_LEVEL_2);
cairo_ps_surface_dsc_comment (surface, NULL);
cairo_ps_surface_dsc_begin_setup (surface);
cairo_ps_surface_dsc_begin_page_setup (surface);
#endif
#if CAIRO_HAS_XCB_SURFACE
cairo_xcb_surface_set_size (surface, 0, 0);
#endif
#if CAIRO_HAS_XLIB_SURFACE
cairo_xlib_surface_set_size (surface, 0, 0);
cairo_xlib_surface_set_drawable (surface, 0, 0, 0);
#endif
cairo_surface_set_mime_data (surface, NULL, NULL, 0, NULL, 0);
cairo_surface_set_device_offset (surface, 0, 0);
cairo_surface_set_fallback_resolution (surface, 0, 0);
cairo_surface_destroy (surface);
return CAIRO_TEST_SUCCESS;
}
void SaveSummary(const std::string &fname, Result &result, Config &config)
{
const float fnorm = 2.f / sqrtf(result.npoints);
const float rnorm = 1.f / sqrtf(2.f / (SQRT3 * result.npoints));
const int csize = 512; // Composition cell size
const double dashes[] = { 6.0, 3.0 };
cairo_surface_t *surface =
cairo_pdf_surface_create(fname.c_str(), 2*csize, 1.5*csize);
cairo_pdf_surface_restrict_to_version(surface, CAIRO_PDF_VERSION_1_4);
cairo_t *cr = cairo_create(surface);
unsigned char *imgdata = NULL;
cairo_surface_t *image = NULL;
// Draw points
const float radius = 2.0;
cairo_identity_matrix(cr);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
for (int i = 0; i < result.points.size(); ++i) {
float x = result.points[i].x * csize;
float y = (1.f - result.points[i].y) * csize;
cairo_arc(cr, x, y, radius, 0, TWOPI);
cairo_fill(cr);
}
// Draw radial power reference level
cairo_identity_matrix(cr);
cairo_set_source_rgba(cr, 0.6, 0.6, 0.6, 1);
cairo_set_line_width(cr, 1.0);
cairo_set_dash(cr, dashes, 2, 0);
const float rpref = 1.f - (1.f - config.fymin) / (config.fymax - config.fymin);
cairo_move_to(cr, csize, csize + rpref*csize/2);
cairo_line_to(cr, 2*csize, csize + rpref*csize/2);
cairo_stroke(cr);
// Draw radial power
cairo_identity_matrix(cr);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_set_line_width(cr, 1.0);
cairo_set_dash(cr, NULL, 0, 0);
for (int i = 0; i < result.rp.size(); ++i) {
float x = i / (float) result.rp.size();
float y = 1.f - (result.rp[i] - config.fymin) / (config.fymax - config.fymin);
Clamp01(y);
if (i == 0)
cairo_move_to(cr, csize + x*csize, csize + y*csize/2);
else
cairo_line_to(cr, csize + x*csize, csize + y*csize/2);
}
cairo_stroke(cr);
// Draw spectrum
int stride = cairo_format_stride_for_width(CAIRO_FORMAT_RGB24,
result.spectrum.width);
result.spectrum.GetRGBA(imgdata);
image = cairo_image_surface_create_for_data(imgdata, CAIRO_FORMAT_RGB24,
result.spectrum.width,
result.spectrum.height,
stride);
cairo_identity_matrix(cr);
cairo_translate(cr, csize, 0);
cairo_scale(cr, csize / (float) result.spectrum.width,
csize / (float) result.spectrum.height);
cairo_set_source_surface(cr, image, 0, 0);
cairo_paint(cr);
// Draw RDF reference level
cairo_identity_matrix(cr);
cairo_set_source_rgba(cr, 0.6, 0.6, 0.6, 1);
cairo_set_line_width(cr, 1.0);
cairo_set_dash(cr, dashes, 2, 0);
const float rdfref = 1.f - (1.f - config.rymin) / (config.rymax - config.rymin);
cairo_move_to(cr, 0, csize + rdfref*csize/2);
cairo_line_to(cr, csize, csize + rdfref*csize/2);
cairo_stroke(cr);
// Draw RDF
cairo_identity_matrix(cr);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_set_line_width(cr, 1.0);
cairo_set_dash(cr, NULL, 0, 0);
for (int i = 0; i < result.rdf.size(); ++i) {
float x = i / (float) result.rdf.size();
float y = 1.f - (result.rdf[i] - config.rymin) / (config.rymax - config.rymin);
Clamp01(y);
if (i == 0)
cairo_move_to(cr, x*csize, csize + y*csize/2);
else
cairo_line_to(cr, x*csize, csize + y*csize/2);
}
cairo_stroke(cr);
// Draw separators
cairo_identity_matrix(cr);
cairo_set_line_width(cr, 1.0);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_move_to(cr, 0, csize);
cairo_line_to(cr, 2*csize, csize);
cairo_stroke(cr);
cairo_move_to(cr, csize, 0);
cairo_line_to(cr, csize, 1.5*csize);
cairo_stroke(cr);
// Draw labels
cairo_identity_matrix(cr);
cairo_set_font_size(cr, 12.0);
cairo_select_font_face(cr, "Sans", CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_move_to(cr, 0.0125 * csize, 1.025 * csize);
cairo_show_text(cr, "RDF");
cairo_stroke(cr);
cairo_move_to(cr, 1.0125 * csize, 1.025 * csize);
cairo_show_text(cr, "Power Spectrum");
cairo_stroke(cr);
// Draw stats box
#ifdef PSA_HAS_CGAL
int nlines = 5;
#else
int nlines = 4;
#endif
nlines += (result.nsets > 1);
double offset = 0.03;
double bsize[] = { 0.33 * csize, (nlines * offset + 0.01) * csize };
double banchor = 0.0125 * csize;
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.7);
cairo_rectangle(cr, banchor, banchor, bsize[0], bsize[1]);
cairo_fill(cr);
// Draw stats and corresponding labels
cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0);
cairo_set_font_size(cr, 12.0);
cairo_select_font_face(cr, "monospace", CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
const int len = 128;
char label[len];
double tanchor[2] = { 1.75 * banchor, 0.9 * banchor };
int i = 1;
if (result.nsets > 1) {
snprintf(label, len, "Averaged over %d sets", result.nsets);
cairo_move_to(cr, tanchor[0], tanchor[1] + i * offset * csize);
cairo_show_text(cr, label);
++i;
}
snprintf(label, len, "Gbl. Mindist %.5f", result.stats.mindist * rnorm);
cairo_move_to(cr, tanchor[0], tanchor[1] + i * offset * csize); ++i;
cairo_show_text(cr, label);
snprintf(label, len, "Avg. Mindist %.5f", result.stats.avgmindist * rnorm);
cairo_move_to(cr, tanchor[0], tanchor[1] + i * offset * csize); ++i;
cairo_show_text(cr, label);
#ifdef PSA_HAS_CGAL
snprintf(label, len, "Orient. order %.5f", result.stats.orientorder);
cairo_move_to(cr, tanchor[0], tanchor[1] + i * offset * csize); ++i;
cairo_show_text(cr, label);
#endif
snprintf(label, len, "Eff. Nyquist %.5f", result.stats.effnyquist * fnorm);
cairo_move_to(cr, tanchor[0], tanchor[1] + i * offset * csize); ++i;
cairo_show_text(cr, label);
snprintf(label, len, "Oscillations %.5f", result.stats.oscillations);
cairo_move_to(cr, tanchor[0], tanchor[1] + i * offset * csize); ++i;
cairo_show_text(cr, label);
cairo_stroke(cr);
// Save and clean up
cairo_show_page(cr);
cairo_surface_destroy(image);
if (imgdata) delete[] imgdata;
cairo_destroy(cr);
cairo_surface_destroy(surface);
}
static cairo_test_status_t
test_cairo_pdf_surface_restrict_to_version (cairo_surface_t *surface)
{
cairo_pdf_surface_restrict_to_version (surface, CAIRO_PDF_VERSION_1_4);
return CAIRO_TEST_SUCCESS;
}
static int
restrict_to_version (lua_State *L){
cairo_surface_t **obj = luaL_checkudata(L, 1, OOCAIRO_MT_NAME_SURFACE);
cairo_pdf_surface_restrict_to_version(*obj, pdf_version_from_lua(L, 2));
return 0;
}
bool QCairoPaintEngine::begin(QPaintDevice *pd)
{
if (surface) {
end();
}
const QCairoPaintDevice* cpd=dynamic_cast<const QCairoPaintDevice*>(pd);
surface = NULL;
if (cpd) {
exportText=cpd->getExportText();
QCairoPaintDevice::CairoFileType ft=cpd->getFileType();
QSizeF s=cpd->getFileSizeMM();
//qDebug()<<ft;
if (ft==QCairoPaintDevice::cftPDF14) {
//qDebug()<< "Cairo-PDF1.4";
surface = cairo_pdf_surface_create (cpd->getFileName().toLocal8Bit().data(), s.width()/25.4*72.0, s.height()/25.4*72.0);
cairo_pdf_surface_restrict_to_version(surface, CAIRO_PDF_VERSION_1_4);
} else if (ft==QCairoPaintDevice::cftPDF15) {
//Debug()<< "Cairo-PDF1.5"<<s<<s.width()/25.4*72.0<<s.height()/25.4*72.0;
surface = cairo_pdf_surface_create (cpd->getFileName().toLocal8Bit().data(), s.width()/25.4*72.0, s.height()/25.4*72.0);
cairo_pdf_surface_restrict_to_version(surface, CAIRO_PDF_VERSION_1_5);
} else if (ft==QCairoPaintDevice::cftPS2) {
//qDebug()<< "Cairo-PS2";
surface = cairo_ps_surface_create (cpd->getFileName().toLocal8Bit().data(), s.width()/25.4*72.0, s.height()/25.4*72.0);
cairo_ps_surface_restrict_to_level(surface, CAIRO_PS_LEVEL_2);
} else if (ft==QCairoPaintDevice::cftPS3) {
//qDebug()<< "Cairo-PS3";
surface = cairo_ps_surface_create (cpd->getFileName().toLocal8Bit().data(), s.width()/25.4*72.0, s.height()/25.4*72.0);
cairo_ps_surface_restrict_to_level(surface, CAIRO_PS_LEVEL_2);
} else if (ft==QCairoPaintDevice::cftEPS2) {
//qDebug()<< "Cairo-EPS2";
surface = cairo_ps_surface_create (cpd->getFileName().toLocal8Bit().data(), s.width()/25.4*72.0, s.height()/25.4*72.0);
cairo_ps_surface_restrict_to_level(surface, CAIRO_PS_LEVEL_2);
cairo_ps_surface_set_eps(surface, 1);
} else if (ft==QCairoPaintDevice::cftEPS3) {
//qDebug()<< "Cairo-EPS3";
surface = cairo_ps_surface_create (cpd->getFileName().toLocal8Bit().data(), s.width()/25.4*72.0, s.height()/25.4*72.0);
cairo_ps_surface_restrict_to_level(surface, CAIRO_PS_LEVEL_2);
cairo_ps_surface_set_eps(surface, 1);
} else if (ft==QCairoPaintDevice::cftSVG11) {
//qDebug()<< "Cairo-SVG11";
surface = cairo_svg_surface_create (cpd->getFileName().toLocal8Bit().data(), s.width()/25.4*72.0, s.height()/25.4*72.0);
cairo_svg_surface_restrict_to_version(surface, CAIRO_SVG_VERSION_1_1);
} else if (ft==QCairoPaintDevice::cftSVG12) {
//qDebug()<< "Cairo-SVG12";
surface = cairo_svg_surface_create (cpd->getFileName().toLocal8Bit().data(), s.width()/25.4*72.0, s.height()/25.4*72.0);
cairo_svg_surface_restrict_to_version(surface, CAIRO_SVG_VERSION_1_2);
}
}
if (surface) {
if (cairo_surface_status(surface) == CAIRO_STATUS_SUCCESS) {
cr = cairo_create(surface);
if (cr) {
if (cairo_status(cr) != CAIRO_STATUS_SUCCESS) {
qDebug()<<"QCairoPaintDevice error initializing CAIRO: "<<cairo_status_to_string(cairo_status(cr));
end();
return false;
} else {
cairo_set_antialias(cr, CAIRO_ANTIALIAS_DEFAULT);
}
} else {
qDebug()<<"QCairoPaintDevice error initializing CAIRO !!!";
end();
return false;
}
} else {
qDebug()<<"QCairoPaintDevice error creating surface: "<<cairo_status_to_string(cairo_surface_status(surface));
end();
return false;
}
} else {
qDebug()<<"UNKNOWN QCairoPaintDevice type !!!";
return false;
}
return true;
}
