DrawableTextureDataP texture_utils::getTextureData(
const TXshSimpleLevel *sl, const TFrameId &fid, int subsampling)
{
const std::string &texId = sl->getImageId(fid);
// Now, we must associate a texture
DrawableTextureDataP data(TTexturesStorage::instance()->getTextureData(texId));
if (data)
return data;
// There was no associated texture. We must bind the texture and repeat
// First, retrieve the image to be used as texture
TRasterImageP ri(::getTexture(sl, fid, subsampling));
if (!ri)
return DrawableTextureDataP();
TRaster32P ras(ri->getRaster());
assert(ras);
TRectD geom(0, 0, ras->getLx(), ras->getLy());
geom = TScale(ri->getSubsampling()) *
TTranslation(convert(ri->getOffset()) - ras->getCenterD()) *
geom;
return TTexturesStorage::instance()->loadTexture(texId, ras, geom);
}
std::pair<TRasterP, TCacheResource::CellData *> TCacheResource::touch(const PointLess &cellIndex)
{
std::string cellId(getCellCacheId(cellIndex.x, cellIndex.y));
std::map<PointLess, CellData>::iterator it = m_cellDatas.find(cellIndex);
if (it != m_cellDatas.end()) {
//Retrieve the raster from image cache
TImageP img(TImageCache::instance()->get(cellId, true));
if (img)
return std::make_pair(getRaster(img), &it->second);
}
it = m_cellDatas.insert(std::make_pair(cellIndex, CellData())).first;
//Then, attempt retrieval from back resource
TRasterP ras(load(cellIndex));
if (ras) {
TImageCache::instance()->add(cellId, TRasterImageP(ras));
return std::make_pair(ras, &it->second);
}
//Else, create it
return std::make_pair(
createCellRaster(m_tileType, cellId), //increases m_cellsCount too
&it->second);
}
void TLevelWriterMov::save(const TImageP &img, int frameIndex) {
TRasterImageP ri(img);
if (!img) throw TImageException(getFilePath(), "Unsupported image type");
TRasterP ras(ri->getRaster());
int lx = ras->getLx(), ly = ras->getLy(), pixSize = ras->getPixelSize();
if (pixSize != 4)
throw TImageException(getFilePath(), "Unsupported pixel type");
int size = lx * ly * pixSize;
// Send messages
QLocalSocket socket;
tipc::startSlaveConnection(&socket, t32bitsrv::srvName(), -1,
t32bitsrv::srvCmdline());
tipc::Stream stream(&socket);
tipc::Message msg;
// Send the write message.
stream << (msg << QString("$LWMovImageWrite") << m_id << frameIndex << lx
<< ly);
// Send the data through a shared memory segment
{
t32bitsrv::RasterExchanger<TPixel32> exch(ras);
tipc::writeShMemBuffer(stream, msg << tipc::clr, size, &exch);
}
if (tipc::readMessage(stream, msg) != "ok")
throw TImageException(getFilePath(), "Couln't save image");
}
//------------------------------------------------------------------------
void draw_dashes_draft()
{
pixfmt pixf(rbuf_window());
base_renderer rb(pixf);
primitives_renderer prim(rb);
outline_rasterizer ras(prim);
int i;
for(i = 0; i < m_graph.get_num_edges(); i++)
{
graph::edge e = m_graph.get_edge(i);
graph::node n1 = m_graph.get_node(e.node1, width(), height());
graph::node n2 = m_graph.get_node(e.node2, width(), height());
curve c(n1.x, n1.y, n2.x, n2.y);
dash_stroke_draft<curve> s(c, 6.0, 3.0, m_width.value());
int r = rand() & 0x7F;
int g = rand() & 0x7F;
int b = rand() & 0x7F;
int a = 255;
if(m_translucent.status()) a = 80;
prim.line_color(agg::srgba8(r, g, b, a));
ras.add_path(s);
}
}
TEST( Raster, MoveRaster ) {
raster_t ras(100,100);
raster_t copy( std::move(ras) );
check_empty_raster( ras );
ASSERT_EQ( copy.height(), 100 );
ASSERT_EQ( copy.width(), 100);
}
void agg_renderer<T>::process(line_pattern_symbolizer const& sym,
mapnik::feature_ptr const& feature,
proj_transform const& prj_trans)
{
typedef agg::conv_clip_polyline<geometry_type> clipped_geometry_type;
typedef coord_transform2<CoordTransform,clipped_geometry_type> path_type;
typedef agg::line_image_pattern<agg::pattern_filter_bilinear_rgba8> pattern_type;
typedef agg::renderer_base<agg::pixfmt_rgba32_plain> renderer_base;
typedef agg::renderer_outline_image<renderer_base, pattern_type> renderer_type;
typedef agg::rasterizer_outline_aa<renderer_type> rasterizer_type;
agg::rendering_buffer buf(pixmap_.raw_data(),width_,height_, width_ * 4);
agg::pixfmt_rgba32_plain pixf(buf);
std::string filename = path_processor_type::evaluate( *sym.get_filename(), *feature);
boost::optional<marker_ptr> mark = marker_cache::instance()->find(filename,true);
if (!mark) return;
if (!(*mark)->is_bitmap())
{
std::clog << "### Warning only images (not '" << filename << "') are supported in the line_pattern_symbolizer\n";
return;
}
boost::optional<image_ptr> pat = (*mark)->get_bitmap_data();
if (!pat) return;
box2d<double> ext = query_extent_ * 1.1;
renderer_base ren_base(pixf);
agg::pattern_filter_bilinear_rgba8 filter;
pattern_source source(*(*pat));
pattern_type pattern (filter,source);
renderer_type ren(ren_base, pattern);
// TODO - should be sensitive to buffer size
ren.clip_box(0,0,width_,height_);
rasterizer_type ras(ren);
//metawriter_with_properties writer = sym.get_metawriter();
for (unsigned i=0;i<feature->num_geometries();++i)
{
geometry_type & geom = feature->get_geometry(i);
if (geom.num_points() > 1)
{
clipped_geometry_type clipped(geom);
clipped.clip_box(ext.minx(),ext.miny(),ext.maxx(),ext.maxy());
path_type path(t_,clipped,prj_trans);
ras.add_path(path);
//if (writer.first) writer.first->add_line(path, *feature, t_, writer.second);
}
}
}
bool THRawBitmap::_checkScaled(THRenderTarget* pCanvas, SDL_Rect& rcDest)
{
float fFactor;
if(!pCanvas->shouldScaleBitmaps(&fFactor))
return false;
int iScaledWidth = (int)((float)m_pBitmap->w * fFactor);
if(!m_pCachedScaledBitmap || m_pCachedScaledBitmap->w != iScaledWidth)
{
SDL_FreeSurface(m_pCachedScaledBitmap);
Uint32 iRMask, iGMask, iBMask;
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
iRMask = 0xff000000;
iGMask = 0x00ff0000;
iBMask = 0x0000ff00;
#else
iRMask = 0x000000ff;
iGMask = 0x0000ff00;
iBMask = 0x00ff0000;
#endif
m_pCachedScaledBitmap = SDL_CreateRGBSurface(SDL_SWSURFACE, iScaledWidth, (int)((float)m_pBitmap->h * fFactor), 24, iRMask, iGMask, iBMask, 0);
SDL_LockSurface(m_pCachedScaledBitmap);
SDL_LockSurface(m_pBitmap);
typedef agg::pixfmt_rgb24_pre pixfmt_pre_t;
typedef agg::renderer_base<pixfmt_pre_t> renbase_pre_t;
typedef image_accessor_clip_rgb24_pal8<pixfmt_pre_t> imgsrc_t;
typedef agg::span_interpolator_linear<> interpolator_t;
typedef agg::span_image_filter_rgb_2x2<imgsrc_t, interpolator_t> span_gen_type;
agg::scanline_p8 sl;
agg::span_allocator<pixfmt_pre_t::color_type> sa;
agg::image_filter<agg::image_filter_bilinear> filter;
agg::trans_affine_scaling img_mtx(1.0 / fFactor);
agg::rendering_buffer rbuf_src(m_pData, m_pBitmap->w, m_pBitmap->h, m_pBitmap->pitch);
imgsrc_t img_src(rbuf_src, *m_pPalette, agg::rgba(0.0, 0.0, 0.0));
interpolator_t interpolator(img_mtx);
span_gen_type sg(img_src, interpolator, filter);
agg::rendering_buffer rbuf(reinterpret_cast<unsigned char*>(m_pCachedScaledBitmap->pixels), m_pCachedScaledBitmap->w, m_pCachedScaledBitmap->h, m_pCachedScaledBitmap->pitch);
pixfmt_pre_t pixf_pre(rbuf);
renbase_pre_t rbase_pre(pixf_pre);
rasterizer_scanline_rect ras(0, 0, rbuf.width(), rbuf.height());
rbase_pre.clear(agg::rgba(1.0,0,0,0));
agg::render_scanlines_aa(ras, sl, rbase_pre, sa, sg);
SDL_UnlockSurface(m_pBitmap);
SDL_UnlockSurface(m_pCachedScaledBitmap);
}
rcDest.x = (Sint16)((float)rcDest.x * fFactor);
rcDest.y = (Sint16)((float)rcDest.y * fFactor);
return true;
}
TEST( Raster, CopyRaster ) {
raster_t ras(100,100);
raster_t copy(ras);
ASSERT_EQ( ras.height(), copy.height() );
ASSERT_EQ( ras.width(), copy.width() );
const unsigned char* pix_ras = ras.data();
const unsigned char* pix_copy = copy.data();
for( int i = 0; i < (ras.height() * ras.width()); ++i) {
ASSERT_EQ( pix_ras[i], pix_copy[i] );
}
}
virtual void on_draw()
{
int width = rbuf_window().width();
int height = rbuf_window().height();
typedef agg::renderer_base<pixfmt> renderer_base;
typedef agg::renderer_scanline_aa_solid<renderer_base> renderer_solid;
pixfmt pixf(rbuf_window());
renderer_base rb(pixf);
renderer_solid r(rb);
rb.clear(agg::rgba(1,1,1));
agg::trans_affine mtx;
mtx *= agg::trans_affine_translation(-g_base_dx, -g_base_dy);
mtx *= agg::trans_affine_scaling(g_scale, g_scale);
mtx *= agg::trans_affine_rotation(g_angle + agg::pi);
mtx *= agg::trans_affine_skewing(g_skew_x/1000.0, g_skew_y/1000.0);
mtx *= agg::trans_affine_translation(width/2, height/2);
if(m_scanline.status())
{
agg::conv_stroke<agg::path_storage> stroke(g_path);
stroke.width(m_width_slider.value());
stroke.line_join(agg::round_join);
agg::conv_transform<agg::conv_stroke<agg::path_storage> > trans(stroke, mtx);
agg::render_all_paths(g_rasterizer, g_scanline, r, trans, g_colors, g_path_idx, g_npaths);
}
else
{
typedef agg::renderer_outline_aa<renderer_base> renderer_type;
typedef agg::rasterizer_outline_aa<renderer_type> rasterizer_type;
double w = m_width_slider.value() * mtx.scale();
agg::line_profile_aa profile(w, agg::gamma_none());
renderer_type ren(rb, profile);
rasterizer_type ras(ren);
agg::conv_transform<agg::path_storage> trans(g_path, mtx);
ras.render_all_paths(trans, g_colors, g_path_idx, g_npaths);
}
agg::render_ctrl(g_rasterizer, g_scanline, rb, m_width_slider);
agg::render_ctrl(g_rasterizer, g_scanline, rb, m_scanline);
}
QScriptValue ImageBuilder::fill(const QString &colorName) {
QColor color;
QScriptValue err = checkColor(context(), colorName, color);
if (err.isError()) return err;
TPixel32 pix(color.red(), color.green(), color.blue(), color.alpha());
if (m_img) {
if (m_img->getType() != TImage::RASTER)
context()->throwError("Can't fill a non-'Raster' image");
TRaster32P ras = m_img->raster();
if (ras) ras->fill(pix);
} else if (m_width > 0 && m_height > 0) {
TRaster32P ras(m_width, m_height);
ras->fill(pix);
m_img = TRasterImageP(ras);
}
return context()->thisObject();
}
TImageP ImageFiller::build(int imFlags, void *extData)
{
assert(imFlags == ImageManager::none);
// Fetch image
assert(extData);
ImageLoader::BuildExtData *data = (ImageLoader::BuildExtData *)extData;
assert(data->m_subs == 0);
const std::string &srcImgId = data->m_sl->getImageId(data->m_fid);
TImageP img = ImageManager::instance()->getImage(srcImgId, imFlags, extData);
if (img) {
TRasterImageP ri = img;
if (ri) {
TRaster32P ras = ri->getRaster();
if (ras) {
TRaster32P newRas = ras->clone();
FullColorAreaFiller filler(newRas);
TPaletteP palette = new TPalette();
int styleId = palette->getPage(0)->addStyle(TPixel32::White);
FillParameters params;
params.m_palette = palette.getPointer();
params.m_styleId = styleId;
params.m_minFillDepth = 0;
params.m_maxFillDepth = 15;
filler.rectFill(newRas->getBounds(), params, false);
TRasterImageP ri = TRasterImageP(newRas);
return ri;
}
}
}
// Error case: return a dummy image (is it really required?)
TRaster32P ras(10, 10);
ras->fill(TPixel32(127, 0, 127, 127));
return TRasterImageP(ras);
}
void agg_renderer<T>::process(line_pattern_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans)
{
typedef coord_transform2<CoordTransform,geometry_type> path_type;
typedef agg::line_image_pattern<agg::pattern_filter_bilinear_rgba8> pattern_type;
typedef agg::renderer_base<agg::pixfmt_rgba32_plain> renderer_base;
typedef agg::renderer_outline_image<renderer_base, pattern_type> renderer_type;
typedef agg::rasterizer_outline_aa<renderer_type> rasterizer_type;
agg::rendering_buffer buf(pixmap_.raw_data(),width_,height_, width_ * 4);
agg::pixfmt_rgba32_plain pixf(buf);
std::string filename = path_processor_type::evaluate( *sym.get_filename(), feature);
boost::optional<marker_ptr> mark = marker_cache::instance()->find(filename,true);
if (!mark || !(*mark)->is_bitmap()) return;
boost::optional<image_ptr> pat = (*mark)->get_bitmap_data();
if (!pat) return;
renderer_base ren_base(pixf);
agg::pattern_filter_bilinear_rgba8 filter;
pattern_source source(*(*pat));
pattern_type pattern (filter,source);
renderer_type ren(ren_base, pattern);
ren.clip_box(0,0,width_,height_);
rasterizer_type ras(ren);
metawriter_with_properties writer = sym.get_metawriter();
for (unsigned i=0;i<feature.num_geometries();++i)
{
geometry_type const& geom = feature.get_geometry(i);
if (geom.num_points() > 1)
{
path_type path(t_,geom,prj_trans);
ras.add_path(path);
if (writer.first) writer.first->add_line(path, feature, t_, writer.second);
}
}
}
TImageP TImageReaderMovProxy::load() {
TRaster32P ras(m_lr->getSize());
m_lr->load(ras, m_frameIndex, TPointI(), 1, 1);
return TRasterImageP(ras);
}
TToonzImageP Naa2TlvConverter::makeTlv(bool transparentSyntheticInks) {
if (!m_valid || m_colors.empty() || m_regions.empty() || !m_regionRas)
return TToonzImageP();
int lx = m_regionRas->getLx();
int ly = m_regionRas->getLy();
TPalette *palette = m_palette;
if (!palette) palette = new TPalette();
TRasterCM32P ras(lx, ly);
QList<int> styleIds;
for (int i = 0; i < m_colors.count() - 1; i++) {
TPixel32 color = m_colors.at(i);
int styleId = palette->getClosestStyle(color);
TColorStyle *cs = styleId < 0 ? 0 : palette->getStyle(styleId);
if (cs) {
if (cs->getMainColor() != color) cs = 0;
}
if (cs == 0) {
styleId = palette->getPage(0)->addStyle(color);
cs = palette->getStyle(styleId);
}
styleIds.append(styleId);
}
styleIds.append(0); // syntetic ink
// int synteticInkStyleId = palette->getPage(0)->addStyle(TPixel32(0,0,0,0));
// styleIds.append(synteticInkStyleId);
for (int y = 0; y < ly; y++) {
unsigned short *workScanLine = m_regionRas->pixels(y);
TPixelCM32 *outScanLine = ras->pixels(y);
for (int x = 0; x < lx; x++) {
int c = workScanLine[x];
Q_ASSERT(0 <= c && c < m_regions.count());
int color = m_regions[c].colorIndex;
Q_ASSERT(0 <= color && color < styleIds.count());
int styleId = styleIds.at(color);
RegionInfo::Type type = m_regions.at(c).type;
if (type == RegionInfo::Background)
outScanLine[x] = TPixelCM32();
else if (type & RegionInfo::Ink)
outScanLine[x] = TPixelCM32(styleId, 0, 0);
else if (m_syntheticInkRas->pixels(y)[x] == 1)
outScanLine[x] =
TPixelCM32(transparentSyntheticInks ? 0 : styleId, styleId, 0);
else
outScanLine[x] = TPixelCM32(0, styleId, 255);
}
}
TToonzImageP ti = new TToonzImage(ras, ras->getBounds());
ti->setPalette(palette);
ti->setDpi(72, 72);
return ti;
}
void agg_renderer<T0,T1>::process(line_symbolizer const& sym,
mapnik::feature_impl & feature,
proj_transform const& prj_trans)
{
color const& col = get<color, keys::stroke>(sym, feature, common_.vars_);
unsigned r=col.red();
unsigned g=col.green();
unsigned b=col.blue();
unsigned a=col.alpha();
double gamma = get<value_double, keys::stroke_gamma>(sym, feature, common_.vars_);
gamma_method_enum gamma_method = get<gamma_method_enum, keys::stroke_gamma_method>(sym, feature, common_.vars_);
ras_ptr->reset();
if (gamma != gamma_ || gamma_method != gamma_method_)
{
set_gamma_method(ras_ptr, gamma, gamma_method);
gamma_method_ = gamma_method;
gamma_ = gamma;
}
agg::rendering_buffer buf(current_buffer_->getBytes(),current_buffer_->width(),current_buffer_->height(), current_buffer_->getRowSize());
using color_type = agg::rgba8;
using order_type = agg::order_rgba;
using blender_type = agg::comp_op_adaptor_rgba_pre<color_type, order_type>; // comp blender
using pixfmt_comp_type = agg::pixfmt_custom_blend_rgba<blender_type, agg::rendering_buffer>;
using renderer_base = agg::renderer_base<pixfmt_comp_type>;
pixfmt_comp_type pixf(buf);
pixf.comp_op(static_cast<agg::comp_op_e>(get<composite_mode_e, keys::comp_op>(sym, feature, common_.vars_)));
renderer_base renb(pixf);
agg::trans_affine tr;
auto transform = get_optional<transform_type>(sym, keys::geometry_transform);
if (transform) evaluate_transform(tr, feature, common_.vars_, *transform, common_.scale_factor_);
box2d<double> clip_box = clipping_extent(common_);
value_bool clip = get<value_bool, keys::clip>(sym, feature, common_.vars_);
value_double width = get<value_double, keys::stroke_width>(sym, feature, common_.vars_);
value_double opacity = get<value_double,keys::stroke_opacity>(sym,feature, common_.vars_);
value_double offset = get<value_double, keys::offset>(sym, feature, common_.vars_);
value_double simplify_tolerance = get<value_double, keys::simplify_tolerance>(sym, feature, common_.vars_);
value_double smooth = get<value_double, keys::smooth>(sym, feature, common_.vars_);
line_rasterizer_enum rasterizer_e = get<line_rasterizer_enum, keys::line_rasterizer>(sym, feature, common_.vars_);
if (clip)
{
double padding = static_cast<double>(common_.query_extent_.width()/pixmap_.width());
double half_stroke = 0.5 * width;
if (half_stroke > 1)
{
padding *= half_stroke;
}
if (std::fabs(offset) > 0)
{
padding *= std::fabs(offset) * 1.2;
}
padding *= common_.scale_factor_;
clip_box.pad(padding);
// debugging
//box2d<double> inverse = query_extent_;
//inverse.pad(-padding);
//draw_geo_extent(inverse,mapnik::color("red"));
}
if (rasterizer_e == RASTERIZER_FAST)
{
using renderer_type = agg::renderer_outline_aa<renderer_base>;
using rasterizer_type = agg::rasterizer_outline_aa<renderer_type>;
agg::line_profile_aa profile(width * common_.scale_factor_, agg::gamma_power(gamma));
renderer_type ren(renb, profile);
ren.color(agg::rgba8_pre(r, g, b, int(a * opacity)));
rasterizer_type ras(ren);
set_join_caps_aa(sym, ras, feature, common_.vars_);
vertex_converter<rasterizer_type,clip_line_tag, transform_tag,
affine_transform_tag,
simplify_tag, smooth_tag,
offset_transform_tag,
dash_tag, stroke_tag>
converter(clip_box,ras,sym,common_.t_,prj_trans,tr,feature,common_.vars_,common_.scale_factor_);
if (clip) converter.set<clip_line_tag>(); // optional clip (default: true)
converter.set<transform_tag>(); // always transform
if (std::fabs(offset) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
converter.set<affine_transform_tag>(); // optional affine transform
if (simplify_tolerance > 0.0) converter.set<simplify_tag>(); // optional simplify converter
if (smooth > 0.0) converter.set<smooth_tag>(); // optional smooth converter
for (geometry_type const& geom : feature.paths())
{
if (geom.size() > 1)
{
vertex_adapter va(geom);
converter.apply(va);
}
}
}
else
{
vertex_converter<rasterizer,clip_line_tag, transform_tag,
affine_transform_tag,
simplify_tag, smooth_tag,
offset_transform_tag,
dash_tag, stroke_tag>
converter(clip_box,*ras_ptr,sym,common_.t_,prj_trans,tr,feature,common_.vars_,common_.scale_factor_);
if (clip) converter.set<clip_line_tag>(); // optional clip (default: true)
converter.set<transform_tag>(); // always transform
if (std::fabs(offset) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
converter.set<affine_transform_tag>(); // optional affine transform
if (simplify_tolerance > 0.0) converter.set<simplify_tag>(); // optional simplify converter
if (smooth > 0.0) converter.set<smooth_tag>(); // optional smooth converter
if (has_key(sym, keys::stroke_dasharray))
converter.set<dash_tag>();
converter.set<stroke_tag>(); //always stroke
for (geometry_type const& geom : feature.paths())
{
if (geom.size() > 1)
{
vertex_adapter va(geom);
converter.apply(va);
}
}
using renderer_type = agg::renderer_scanline_aa_solid<renderer_base>;
renderer_type ren(renb);
ren.color(agg::rgba8_pre(r, g, b, int(a * opacity)));
agg::scanline_u8 sl;
ras_ptr->filling_rule(agg::fill_non_zero);
agg::render_scanlines(*ras_ptr, sl, ren);
}
}
void agg_renderer<T>::process(line_symbolizer const& sym,
mapnik::feature_impl & feature,
proj_transform const& prj_trans)
{
stroke const& stroke_ = sym.get_stroke();
color const& col = stroke_.get_color();
unsigned r=col.red();
unsigned g=col.green();
unsigned b=col.blue();
unsigned a=col.alpha();
ras_ptr->reset();
if (stroke_.get_gamma() != gamma_ || stroke_.get_gamma_method() != gamma_method_)
{
set_gamma_method(stroke_, ras_ptr);
gamma_method_ = stroke_.get_gamma_method();
gamma_ = stroke_.get_gamma();
}
agg::rendering_buffer buf(current_buffer_->raw_data(),current_buffer_->width(),current_buffer_->height(), current_buffer_->width() * 4);
typedef agg::rgba8 color_type;
typedef agg::order_rgba order_type;
typedef agg::comp_op_adaptor_rgba_pre<color_type, order_type> blender_type; // comp blender
typedef agg::pixfmt_custom_blend_rgba<blender_type, agg::rendering_buffer> pixfmt_comp_type;
typedef agg::renderer_base<pixfmt_comp_type> renderer_base;
typedef boost::mpl::vector<clip_line_tag, transform_tag,
offset_transform_tag, affine_transform_tag,
simplify_tag, smooth_tag, dash_tag, stroke_tag> conv_types;
pixfmt_comp_type pixf(buf);
pixf.comp_op(static_cast<agg::comp_op_e>(sym.comp_op()));
renderer_base renb(pixf);
agg::trans_affine tr;
evaluate_transform(tr, feature, sym.get_transform(), scale_factor_);
box2d<double> clip_box = clipping_extent();
if (sym.clip())
{
double padding = (double)(query_extent_.width()/pixmap_.width());
double half_stroke = stroke_.get_width()/2.0;
if (half_stroke > 1)
padding *= half_stroke;
if (std::fabs(sym.offset()) > 0)
padding *= std::fabs(sym.offset()) * 1.2;
padding *= scale_factor_;
clip_box.pad(padding);
// debugging
//box2d<double> inverse = query_extent_;
//inverse.pad(-padding);
//draw_geo_extent(inverse,mapnik::color("red"));
}
if (sym.get_rasterizer() == RASTERIZER_FAST)
{
typedef agg::renderer_outline_aa<renderer_base> renderer_type;
typedef agg::rasterizer_outline_aa<renderer_type> rasterizer_type;
agg::line_profile_aa profile(stroke_.get_width() * scale_factor_, agg::gamma_power(stroke_.get_gamma()));
renderer_type ren(renb, profile);
ren.color(agg::rgba8_pre(r, g, b, int(a*stroke_.get_opacity())));
rasterizer_type ras(ren);
set_join_caps_aa(stroke_,ras);
vertex_converter<box2d<double>, rasterizer_type, line_symbolizer,
CoordTransform, proj_transform, agg::trans_affine, conv_types>
converter(clip_box,ras,sym,t_,prj_trans,tr,scale_factor_);
if (sym.clip()) converter.set<clip_line_tag>(); // optional clip (default: true)
converter.set<transform_tag>(); // always transform
if (std::fabs(sym.offset()) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
converter.set<affine_transform_tag>(); // optional affine transform
if (sym.simplify_tolerance() > 0.0) converter.set<simplify_tag>(); // optional simplify converter
if (sym.smooth() > 0.0) converter.set<smooth_tag>(); // optional smooth converter
for (geometry_type & geom : feature.paths())
{
if (geom.size() > 1)
{
converter.apply(geom);
}
}
}
else
{
vertex_converter<box2d<double>, rasterizer, line_symbolizer,
CoordTransform, proj_transform, agg::trans_affine, conv_types>
converter(clip_box,*ras_ptr,sym,t_,prj_trans,tr,scale_factor_);
if (sym.clip()) converter.set<clip_line_tag>(); // optional clip (default: true)
converter.set<transform_tag>(); // always transform
if (std::fabs(sym.offset()) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
converter.set<affine_transform_tag>(); // optional affine transform
if (sym.simplify_tolerance() > 0.0) converter.set<simplify_tag>(); // optional simplify converter
if (sym.smooth() > 0.0) converter.set<smooth_tag>(); // optional smooth converter
if (stroke_.has_dash()) converter.set<dash_tag>();
converter.set<stroke_tag>(); //always stroke
for (geometry_type & geom : feature.paths())
{
if (geom.size() > 1)
{
converter.apply(geom);
}
}
typedef agg::renderer_scanline_aa_solid<renderer_base> renderer_type;
renderer_type ren(renb);
ren.color(agg::rgba8_pre(r, g, b, int(a * stroke_.get_opacity())));
agg::scanline_u8 sl;
ras_ptr->filling_rule(agg::fill_non_zero);
agg::render_scanlines(*ras_ptr, sl, ren);
}
}
void agg_renderer<T0,T1>::process(line_pattern_symbolizer const& sym,
mapnik::feature_impl & feature,
proj_transform const& prj_trans)
{
using color = agg::rgba8;
using order = agg::order_rgba;
using blender_type = agg::comp_op_adaptor_rgba_pre<color, order>;
using pattern_filter_type = agg::pattern_filter_bilinear_rgba8;
using pattern_type = agg::line_image_pattern<pattern_filter_type>;
using pixfmt_type = agg::pixfmt_custom_blend_rgba<blender_type, agg::rendering_buffer>;
using renderer_base = agg::renderer_base<pixfmt_type>;
using renderer_type = agg::renderer_outline_image<renderer_base, pattern_type>;
using rasterizer_type = agg::rasterizer_outline_aa<renderer_type>;
std::string filename = get<std::string>(sym, keys::file, feature, common_.vars_);
if (filename.empty()) return;
boost::optional<mapnik::marker_ptr> marker_ptr = marker_cache::instance().find(filename, true);
if (!marker_ptr || !(*marker_ptr)) return;
boost::optional<image_ptr> pat;
// TODO - re-implement at renderer level like polygon_pattern symbolizer
double opacity = get<value_double>(sym, keys::opacity, feature, common_.vars_,1.0);
if ((*marker_ptr)->is_bitmap())
{
pat = (*marker_ptr)->get_bitmap_data();
}
else
{
agg::trans_affine image_tr = agg::trans_affine_scaling(common_.scale_factor_);
auto image_transform = get_optional<transform_type>(sym, keys::image_transform);
if (image_transform) evaluate_transform(image_tr, feature, common_.vars_, *image_transform);
pat = render_pattern(*ras_ptr, **marker_ptr, image_tr, 1.0);
}
if (!pat) return;
bool clip = get<value_bool>(sym, keys::clip, feature, common_.vars_, false);
double offset = get<value_double>(sym, keys::offset, feature, common_.vars_, 0.0);
double simplify_tolerance = get<value_double>(sym, keys::simplify_tolerance, feature, common_.vars_, 0.0);
double smooth = get<value_double>(sym, keys::smooth, feature, common_.vars_, false);
agg::rendering_buffer buf(current_buffer_->raw_data(),current_buffer_->width(),current_buffer_->height(), current_buffer_->width() * 4);
pixfmt_type pixf(buf);
pixf.comp_op(static_cast<agg::comp_op_e>(get<composite_mode_e>(sym, keys::comp_op, feature, common_.vars_, src_over)));
renderer_base ren_base(pixf);
agg::pattern_filter_bilinear_rgba8 filter;
pattern_source source(*(*pat), opacity);
pattern_type pattern (filter,source);
renderer_type ren(ren_base, pattern);
rasterizer_type ras(ren);
agg::trans_affine tr;
auto transform = get_optional<transform_type>(sym, keys::geometry_transform);
if (transform) evaluate_transform(tr, feature, common_.vars_, *transform, common_.scale_factor_);
box2d<double> clip_box = clipping_extent(common_);
if (clip)
{
double padding = (double)(common_.query_extent_.width()/pixmap_.width());
double half_stroke = (*marker_ptr)->width()/2.0;
if (half_stroke > 1)
padding *= half_stroke;
if (std::fabs(offset) > 0)
padding *= std::fabs(offset) * 1.2;
padding *= common_.scale_factor_;
clip_box.pad(padding);
}
using conv_types = boost::mpl::vector<clip_line_tag, transform_tag,
affine_transform_tag,
simplify_tag,smooth_tag,
offset_transform_tag>;
vertex_converter<box2d<double>, rasterizer_type, line_pattern_symbolizer,
view_transform, proj_transform, agg::trans_affine, conv_types, feature_impl>
converter(clip_box,ras,sym,common_.t_,prj_trans,tr,feature,common_.vars_,common_.scale_factor_);
if (clip) converter.set<clip_line_tag>(); //optional clip (default: true)
converter.set<transform_tag>(); //always transform
if (simplify_tolerance > 0.0) converter.set<simplify_tag>(); // optional simplify converter
if (std::fabs(offset) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
converter.set<affine_transform_tag>(); // optional affine transform
if (smooth > 0.0) converter.set<smooth_tag>(); // optional smooth converter
for (geometry_type & geom : feature.paths())
{
if (geom.size() > 1)
{
converter.apply(geom);
}
}
}
void cairo_renderer<T>::process(line_pattern_symbolizer const& sym,
mapnik::feature_impl & feature,
proj_transform const& prj_trans)
{
std::string filename = get<std::string, keys::file>(sym, feature, common_.vars_);
composite_mode_e comp_op = get<composite_mode_e, keys::comp_op>(sym, feature, common_.vars_);
value_bool clip = get<value_bool, keys::clip>(sym, feature, common_.vars_);
value_double offset = get<value_double, keys::offset>(sym, feature, common_.vars_);
value_double simplify_tolerance = get<value_double, keys::simplify_tolerance>(sym, feature, common_.vars_);
value_double smooth = get<value_double, keys::smooth>(sym, feature, common_.vars_);
if (filename.empty())
{
return;
}
std::shared_ptr<mapnik::marker const> marker = marker_cache::instance().find(filename, true);
if (marker->is<mapnik::marker_null>()) return;
unsigned width = marker->width();
unsigned height = marker->height();
cairo_save_restore guard(context_);
context_.set_operator(comp_op);
// TODO - re-implement at renderer level like polygon_pattern symbolizer
cairo_renderer_process_visitor_l visit(common_,
sym,
feature,
width,
height);
std::shared_ptr<cairo_pattern> pattern = util::apply_visitor(visit, *marker);
context_.set_line_width(height);
pattern->set_extend(CAIRO_EXTEND_REPEAT);
pattern->set_filter(CAIRO_FILTER_BILINEAR);
agg::trans_affine tr;
auto geom_transform = get_optional<transform_type>(sym, keys::geometry_transform);
if (geom_transform) { evaluate_transform(tr, feature, common_.vars_, *geom_transform, common_.scale_factor_); }
box2d<double> clipping_extent = common_.query_extent_;
if (clip)
{
double padding = (double)(common_.query_extent_.width()/common_.width_);
double half_stroke = width/2.0;
if (half_stroke > 1)
padding *= half_stroke;
if (std::fabs(offset) > 0)
padding *= std::fabs(offset) * 1.2;
padding *= common_.scale_factor_;
clipping_extent.pad(padding);
}
using rasterizer_type = line_pattern_rasterizer<cairo_context>;
rasterizer_type ras(context_, *pattern, width, height);
using vertex_converter_type = vertex_converter<clip_line_tag, transform_tag,
affine_transform_tag,
simplify_tag, smooth_tag,
offset_transform_tag>;
vertex_converter_type converter(clipping_extent,sym, common_.t_, prj_trans, tr, feature, common_.vars_, common_.scale_factor_);
if (clip) converter.set<clip_line_tag>(); // optional clip (default: true)
converter.set<transform_tag>(); // always transform
if (std::fabs(offset) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
converter.set<affine_transform_tag>(); // optional affine transform
if (simplify_tolerance > 0.0) converter.set<simplify_tag>(); // optional simplify converter
if (smooth > 0.0) converter.set<smooth_tag>(); // optional smooth converter
using apply_vertex_converter_type = detail::apply_vertex_converter<vertex_converter_type, rasterizer_type>;
using vertex_processor_type = geometry::vertex_processor<apply_vertex_converter_type>;
apply_vertex_converter_type apply(converter, ras);
mapnik::util::apply_visitor(vertex_processor_type(apply), feature.get_geometry());
}
TImageP TImageReader::load0()
{
if (!m_reader && !m_vectorReader)
open();
if (m_reader) {
TImageInfo info = m_reader->getImageInfo();
if (info.m_lx <= 0 || info.m_ly <= 0)
return TImageP();
// Initialize raster info
assert(m_shrink > 0);
// Build loading rect
int x0 = 0;
int x1 = info.m_lx - 1;
int y0 = 0;
int y1 = info.m_ly - 1;
if (!m_region.isEmpty()) {
// Intersect with the externally specified loading region
x0 = tmax(x0, m_region.x0);
y0 = tmax(y0, m_region.y0);
x1 = tmin(x1, m_region.x1);
y1 = tmin(y1, m_region.y1);
if (x0 >= x1 || y0 >= y1)
return TImageP();
}
if (m_shrink > 1) {
// Crop to shrink multiples
x1 -= (x1 - x0) % m_shrink;
y1 -= (y1 - y0) % m_shrink;
}
assert(x0 <= x1 && y0 <= y1);
TDimension imageDimension = TDimension((x1 - x0) / m_shrink + 1, (y1 - y0) / m_shrink + 1);
if (m_path.getType() == "tzp" || m_path.getType() == "tzu") {
// Colormap case
TRasterCM32P ras(imageDimension);
readRaster(ras, m_reader, x0, y0, x1, y1, info.m_lx, info.m_ly, m_shrink);
// Build the savebox
TRect saveBox(info.m_x0, info.m_y0, info.m_x1, info.m_y1);
if (!m_region.isEmpty()) {
// Intersect with the loading rect
if (m_region.overlaps(saveBox)) {
saveBox *= m_region;
int sbx0 = saveBox.x0 - m_region.x0;
int sby0 = saveBox.y0 - m_region.y0;
int sbx1 = sbx0 + saveBox.getLx() - 1;
int sby1 = sby0 + saveBox.getLy() - 1;
assert(sbx0 >= 0);
assert(sby0 >= 0);
assert(sbx1 >= 0);
assert(sby1 >= 0);
saveBox = TRect(sbx0, sby0, sbx1, sby1);
} else
saveBox = TRect(0, 0, 1, 1);
}
if (m_shrink > 1) {
saveBox.x0 = saveBox.x0 / m_shrink;
saveBox.y0 = saveBox.y0 / m_shrink;
saveBox.x1 = saveBox.x1 / m_shrink;
saveBox.y1 = saveBox.y1 / m_shrink;
}
TToonzImageP ti(ras, ras->getBounds() * saveBox);
ti->setDpi(info.m_dpix, info.m_dpiy);
return ti;
} else if (info.m_bitsPerSample >= 8) {
// Common byte-based rasters (see below, we have black-and-white bit-based images too)
if (info.m_samplePerPixel == 1 && m_readGreytones) {
// Greymap case
// NOTE: Uses a full 32-bit raster first, and then copies down to the GR8
// Observe that GR16 file images get immediately down-cast to GR8...
// Should we implement that too?
TRasterGR8P ras(imageDimension);
readRaster_copyLines(ras, m_reader, x0, y0, x1, y1, info.m_lx, info.m_ly, m_shrink);
TRasterImageP ri(ras);
ri->setDpi(info.m_dpix, info.m_dpiy);
return ri;
}
// assert(info.m_samplePerPixel == 3 || info.m_samplePerPixel == 4);
TRasterP _ras;
if (info.m_bitsPerSample == 16) {
if (m_is64BitEnabled || m_path.getType() != "tif") {
// Standard 64-bit case.
// Also covers down-casting to 32-bit from a 64-bit image file whenever
// not a tif file (see below).
TRaster64P ras(imageDimension);
readRaster(ras, m_reader, x0, y0, x1, y1, info.m_lx, info.m_ly, m_shrink);
_ras = ras;
} else {
// The Tif reader has got an automatically down-casting readLine(char*, ...)
// in case the input file is 64-bit. The advantage is that no intermediate
// 64-bit raster is required in this case.
TRaster32P ras(imageDimension);
readRaster(ras, m_reader, x0, y0, x1, y1, info.m_lx, info.m_ly, m_shrink);
_ras = ras;
}
} else if (info.m_bitsPerSample == 8) {
// Standard 32-bit case
TRaster32P ras(imageDimension);
readRaster(ras, m_reader, x0, y0, x1, y1, info.m_lx, info.m_ly, m_shrink);
_ras = ras;
} else
throw TImageException(m_path, "Image format not supported");
// 64-bit to 32-bit conversions if necessary (64 bit images not allowed)
if (!m_is64BitEnabled && (TRaster64P)_ras) {
TRaster32P raux(_ras->getLx(), _ras->getLy());
TRop::convert(raux, _ras);
_ras = raux;
}
// Return the image
TRasterImageP ri(_ras);
ri->setDpi(info.m_dpix, info.m_dpiy);
return ri;
} else if (info.m_samplePerPixel == 1 && info.m_valid == true) {
// Previously dubbed as 'Palette cases'. No clue about what is this... :|
TRaster32P ras(imageDimension);
readRaster(ras, m_reader, x0, y0, x1, y1, info.m_lx, info.m_ly, m_shrink);
TRasterImageP ri(ras);
ri->setDpi(info.m_dpix, info.m_dpiy);
return ri;
} else if (info.m_samplePerPixel == 1 && m_readGreytones) {
// Black-and-White case, I guess. Standard greymaps were considered above...
TRasterGR8P ras(imageDimension);
readRaster_copyLines(ras, m_reader, x0, y0, x1, y1, info.m_lx, info.m_ly, m_shrink);
TRasterImageP ri(ras);
ri->setDpi(info.m_dpix, info.m_dpiy);
if (info.m_bitsPerSample == 1) // I suspect this always evaluates true...
ri->setScanBWFlag(true);
return ri;
} else
return TImageP();
} else if (m_vectorReader) {
TVectorImage *vi = m_vectorReader->read();
return TVectorImageP(vi);
} else
return TImageP();
}
TImageP ImageRasterizer::build(int imFlags, void *extData)
{
assert(!(imFlags & ~(ImageManager::dontPutInCache | ImageManager::forceRebuild)));
TDimension d(10, 10);
TPoint off(0, 0);
// Fetch image
assert(extData);
ImageLoader::BuildExtData *data = (ImageLoader::BuildExtData *)extData;
const std::string &srcImgId = data->m_sl->getImageId(data->m_fid);
TImageP img = ImageManager::instance()->getImage(srcImgId, imFlags, extData);
if (img) {
TVectorImageP vi = img;
if (vi) {
TRectD bbox = vi->getBBox();
d = TDimension(tceil(bbox.getLx()) + 1, tceil(bbox.getLy()) + 1);
off = TPoint((int)bbox.x0, (int)bbox.y0);
TPalette *vpalette = vi->getPalette();
TVectorRenderData rd(TTranslation(-off.x, -off.y), TRect(TPoint(0, 0), d), vpalette, 0, true, true);
TGlContext oldContext = tglGetCurrentContext();
// this is too slow.
{
QSurfaceFormat format;
format.setProfile(QSurfaceFormat::CompatibilityProfile);
TRaster32P ras(d);
glPushAttrib(GL_ALL_ATTRIB_BITS);
glMatrixMode(GL_MODELVIEW), glPushMatrix();
glMatrixMode(GL_PROJECTION), glPushMatrix();
{
std::unique_ptr<QOpenGLFramebufferObject> fb(new QOpenGLFramebufferObject(d.lx, d.ly));
fb->bind();
assert(glGetError() == 0);
glViewport(0, 0, d.lx, d.ly);
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0, d.lx, 0, d.ly);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0.375, 0.375, 0.0);
assert(glGetError() == 0);
tglDraw(rd, vi.getPointer());
assert(glGetError() == 0);
assert(glGetError() == 0);
glFlush();
assert(glGetError() == 0);
QImage img = fb->toImage().scaled(QSize(d.lx, d.ly), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
int wrap = ras->getLx() * sizeof(TPixel32);
uchar *srcPix = img.bits();
uchar *dstPix = ras->getRawData() + wrap * (d.ly - 1);
for (int y = 0; y < d.ly; y++) {
memcpy(dstPix, srcPix, wrap);
dstPix -= wrap;
srcPix += wrap;
}
fb->release();
}
glMatrixMode(GL_MODELVIEW), glPopMatrix();
glMatrixMode(GL_PROJECTION), glPopMatrix();
glPopAttrib();
tglMakeCurrent(oldContext);
TRasterImageP ri = TRasterImageP(ras);
ri->setOffset(off + ras->getCenter());
return ri;
}
}
}
// Error case: return a dummy image (is it really required?)
TRaster32P ras(d);
ras->fill(TPixel32(127, 0, 127, 127));
return TRasterImageP(ras);
}
void agg_renderer<T>::process(line_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans)
{
typedef agg::renderer_base<agg::pixfmt_rgba32_plain> ren_base;
typedef coord_transform2<CoordTransform,geometry_type> path_type;
stroke const& stroke_ = sym.get_stroke();
color const& col = stroke_.get_color();
unsigned r=col.red();
unsigned g=col.green();
unsigned b=col.blue();
unsigned a=col.alpha();
agg::rendering_buffer buf(pixmap_.raw_data(),width_,height_, width_ * 4);
agg::pixfmt_rgba32_plain pixf(buf);
if (sym.get_rasterizer() == RASTERIZER_FAST)
{
typedef agg::renderer_outline_aa<ren_base> renderer_type;
typedef agg::rasterizer_outline_aa<renderer_type> rasterizer_type;
agg::line_profile_aa profile;
//agg::line_profile_aa profile(stroke_.get_width() * scale_factor_, agg::gamma_none());
profile.width(stroke_.get_width() * scale_factor_);
ren_base base_ren(pixf);
renderer_type ren(base_ren, profile);
ren.color(agg::rgba8(r, g, b, int(a*stroke_.get_opacity())));
//ren.clip_box(0,0,width_,height_);
rasterizer_type ras(ren);
ras.line_join(agg::outline_miter_accurate_join);
ras.round_cap(true);
for (unsigned i=0;i<feature.num_geometries();++i)
{
geometry_type const& geom = feature.get_geometry(i);
if (geom.num_points() > 1)
{
path_type path(t_,geom,prj_trans);
ras.add_path(path);
}
}
}
else
{
typedef agg::renderer_scanline_aa_solid<ren_base> renderer;
agg::scanline_p8 sl;
ren_base renb(pixf);
renderer ren(renb);
ras_ptr->reset();
switch (stroke_.get_gamma_method())
{
case GAMMA_POWER:
ras_ptr->gamma(agg::gamma_power(stroke_.get_gamma()));
break;
case GAMMA_LINEAR:
ras_ptr->gamma(agg::gamma_linear(0.0, stroke_.get_gamma()));
break;
case GAMMA_NONE:
ras_ptr->gamma(agg::gamma_none());
break;
case GAMMA_THRESHOLD:
ras_ptr->gamma(agg::gamma_threshold(stroke_.get_gamma()));
break;
case GAMMA_MULTIPLY:
ras_ptr->gamma(agg::gamma_multiply(stroke_.get_gamma()));
break;
default:
ras_ptr->gamma(agg::gamma_power(stroke_.get_gamma()));
}
metawriter_with_properties writer = sym.get_metawriter();
for (unsigned i=0;i<feature.num_geometries();++i)
{
geometry_type const& geom = feature.get_geometry(i);
if (geom.num_points() > 1)
{
path_type path(t_,geom,prj_trans);
if (stroke_.has_dash())
{
agg::conv_dash<path_type> dash(path);
dash_array const& d = stroke_.get_dash_array();
dash_array::const_iterator itr = d.begin();
dash_array::const_iterator end = d.end();
for (;itr != end;++itr)
{
dash.add_dash(itr->first * scale_factor_,
itr->second * scale_factor_);
}
agg::conv_stroke<agg::conv_dash<path_type > > stroke(dash);
line_join_e join=stroke_.get_line_join();
if ( join == MITER_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == MITER_REVERT_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == ROUND_JOIN)
stroke.generator().line_join(agg::round_join);
else
stroke.generator().line_join(agg::bevel_join);
line_cap_e cap=stroke_.get_line_cap();
if (cap == BUTT_CAP)
stroke.generator().line_cap(agg::butt_cap);
else if (cap == SQUARE_CAP)
stroke.generator().line_cap(agg::square_cap);
else
stroke.generator().line_cap(agg::round_cap);
stroke.generator().miter_limit(4.0);
stroke.generator().width(stroke_.get_width() * scale_factor_);
ras_ptr->add_path(stroke);
}
else
{
agg::conv_stroke<path_type> stroke(path);
line_join_e join=stroke_.get_line_join();
if ( join == MITER_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == MITER_REVERT_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == ROUND_JOIN)
stroke.generator().line_join(agg::round_join);
else
stroke.generator().line_join(agg::bevel_join);
line_cap_e cap=stroke_.get_line_cap();
if (cap == BUTT_CAP)
stroke.generator().line_cap(agg::butt_cap);
else if (cap == SQUARE_CAP)
stroke.generator().line_cap(agg::square_cap);
else
stroke.generator().line_cap(agg::round_cap);
stroke.generator().miter_limit(4.0);
stroke.generator().width(stroke_.get_width() * scale_factor_);
ras_ptr->add_path(stroke);
if (writer.first) writer.first->add_line(path, feature, t_, writer.second);
}
}
}
ren.color(agg::rgba8(r, g, b, int(a*stroke_.get_opacity())));
agg::render_scanlines(*ras_ptr, sl, ren);
}
}
void operator() (marker_rgba8 const& marker)
{
using color = agg::rgba8;
using order = agg::order_rgba;
using blender_type = agg::comp_op_adaptor_rgba_pre<color, order>;
using pattern_filter_type = agg::pattern_filter_bilinear_rgba8;
using pattern_type = agg::line_image_pattern<pattern_filter_type>;
using pixfmt_type = agg::pixfmt_custom_blend_rgba<blender_type, agg::rendering_buffer>;
using renderer_base = agg::renderer_base<pixfmt_type>;
using renderer_type = agg::renderer_outline_image<renderer_base, pattern_type>;
using rasterizer_type = agg::rasterizer_outline_aa<renderer_type>;
value_double opacity = get<value_double, keys::opacity>(sym_, feature_, common_.vars_);
mapnik::image_rgba8 const& image = marker.get_data();
value_bool clip = get<value_bool, keys::clip>(sym_, feature_, common_.vars_);
value_double offset = get<value_double, keys::offset>(sym_, feature_, common_.vars_);
value_double simplify_tolerance = get<value_double, keys::simplify_tolerance>(sym_, feature_, common_.vars_);
value_double smooth = get<value_double, keys::smooth>(sym_, feature_, common_.vars_);
agg::rendering_buffer buf(current_buffer_->getBytes(),current_buffer_->width(),current_buffer_->height(), current_buffer_->getRowSize());
pixfmt_type pixf(buf);
pixf.comp_op(static_cast<agg::comp_op_e>(get<composite_mode_e, keys::comp_op>(sym_, feature_, common_.vars_)));
renderer_base ren_base(pixf);
agg::pattern_filter_bilinear_rgba8 filter;
pattern_source source(image, opacity);
pattern_type pattern (filter,source);
renderer_type ren(ren_base, pattern);
ren.clip_box(0,0,common_.width_,common_.height_);
rasterizer_type ras(ren);
agg::trans_affine tr;
auto transform = get_optional<transform_type>(sym_, keys::geometry_transform);
if (transform) evaluate_transform(tr, feature_, common_.vars_, *transform, common_.scale_factor_);
box2d<double> clip_box = clipping_extent(common_);
if (clip)
{
double padding = (double)(common_.query_extent_.width()/pixmap_.width());
double half_stroke = marker.width()/2.0;
if (half_stroke > 1)
padding *= half_stroke;
if (std::fabs(offset) > 0)
padding *= std::fabs(offset) * 1.2;
padding *= common_.scale_factor_;
clip_box.pad(padding);
}
vertex_converter<rasterizer_type, clip_line_tag, transform_tag,
affine_transform_tag,
simplify_tag,smooth_tag,
offset_transform_tag>
converter(clip_box,ras,sym_,common_.t_,prj_trans_,tr,feature_,common_.vars_,common_.scale_factor_);
if (clip) converter.set<clip_line_tag>(); //optional clip (default: true)
converter.set<transform_tag>(); //always transform
if (simplify_tolerance > 0.0) converter.set<simplify_tag>(); // optional simplify converter
if (std::fabs(offset) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
converter.set<affine_transform_tag>(); // optional affine transform
if (smooth > 0.0) converter.set<smooth_tag>(); // optional smooth converter
for (geometry_type const& geom : feature_.paths())
{
if (geom.size() > 1)
{
vertex_adapter va(geom);
converter.apply(va);
}
}
}
virtual void on_draw()
{
typedef agg::pixfmt_bgr24 pixfmt;
typedef agg::renderer_base<pixfmt> renderer_base;
typedef agg::renderer_scanline_aa_solid<renderer_base> renderer_solid;
pixfmt pixf(rbuf_window());
renderer_base rb(pixf);
renderer_solid rs(rb);
rb.clear(agg::rgba(1, 1, 1));
agg::trans_affine mtx;
agg::conv_transform<agg::path_storage, agg::trans_affine> trans(g_path, mtx);
mtx *= agg::trans_affine_translation(-g_base_dx, -g_base_dy);
mtx *= agg::trans_affine_scaling(g_scale, g_scale);
mtx *= agg::trans_affine_rotation(g_angle + agg::pi);
mtx *= agg::trans_affine_skewing(g_skew_x/1000.0, g_skew_y/1000.0);
mtx *= agg::trans_affine_translation(initial_width()/4, initial_height()/2);
mtx *= trans_affine_resizing();
agg::rasterizer_scanline_aa<> ras2;
agg::scanline_p8 sl;
agg::scanline_u8 sl2;
agg::render_all_paths(ras2, sl, rs, trans, g_colors, g_path_idx, g_npaths);
mtx *= ~trans_affine_resizing();
mtx *= agg::trans_affine_translation(initial_width()/2, 0);
mtx *= trans_affine_resizing();
agg::line_profile_aa profile;
profile.width(1.0);
agg::renderer_outline_aa<renderer_base> rp(rb, profile);
agg::rasterizer_outline_aa<agg::renderer_outline_aa<renderer_base> > ras(rp);
ras.round_cap(true);
ras.render_all_paths(trans, g_colors, g_path_idx, g_npaths);
agg::ellipse ell(m_cx, m_cy, 100.0, 100.0, 100);
agg::conv_stroke<agg::ellipse> ell_stroke1(ell);
ell_stroke1.width(6.0);
agg::conv_stroke<agg::conv_stroke<agg::ellipse> > ell_stroke2(ell_stroke1);
ell_stroke2.width(2.0);
rs.color(agg::rgba(0,0.2,0));
ras2.add_path(ell_stroke2);
agg::render_scanlines(ras2, sl, rs);
typedef agg::span_simple_blur_rgb24<agg::order_bgr> span_blur_gen;
typedef agg::span_allocator<span_blur_gen::color_type> span_blur_alloc;
span_blur_alloc sa;
span_blur_gen sg;
sg.source_image(rbuf_img(0));
ras2.add_path(ell);
copy_window_to_img(0);
agg::render_scanlines_aa(ras2, sl2, rb, sa, sg);
// More blur if desired :-)
//copy_window_to_img(0);
//agg::render_scanlines(ras2, sl2, rblur);
//copy_window_to_img(0);
//agg::render_scanlines(ras2, sl2, rblur);
//copy_window_to_img(0);
//agg::render_scanlines(ras2, sl2, rblur);
}
void operator() (marker_svg const& marker) const
{
using color = agg::rgba8;
using order = agg::order_rgba;
using blender_type = agg::comp_op_adaptor_rgba_pre<color, order>;
using pattern_filter_type = agg::pattern_filter_bilinear_rgba8;
using pattern_type = agg::line_image_pattern<pattern_filter_type>;
using pixfmt_type = agg::pixfmt_custom_blend_rgba<blender_type, agg::rendering_buffer>;
using renderer_base = agg::renderer_base<pixfmt_type>;
using renderer_type = agg::renderer_outline_image<renderer_base, pattern_type>;
using rasterizer_type = agg::rasterizer_outline_aa<renderer_type>;
value_double opacity = get<value_double, keys::opacity>(sym_, feature_, common_.vars_);
agg::trans_affine image_tr = agg::trans_affine_scaling(common_.scale_factor_);
auto image_transform = get_optional<transform_type>(sym_, keys::image_transform);
if (image_transform) evaluate_transform(image_tr, feature_, common_.vars_, *image_transform, common_.scale_factor_);
mapnik::box2d<double> const& bbox_image = marker.get_data()->bounding_box() * image_tr;
image_rgba8 image(bbox_image.width(), bbox_image.height());
render_pattern<buffer_type>(*ras_ptr_, marker, image_tr, 1.0, image);
value_bool clip = get<value_bool, keys::clip>(sym_, feature_, common_.vars_);
value_double offset = get<value_double, keys::offset>(sym_, feature_, common_.vars_);
value_double simplify_tolerance = get<value_double, keys::simplify_tolerance>(sym_, feature_, common_.vars_);
value_double smooth = get<value_double, keys::smooth>(sym_, feature_, common_.vars_);
agg::rendering_buffer buf(current_buffer_->bytes(),current_buffer_->width(),current_buffer_->height(), current_buffer_->row_size());
pixfmt_type pixf(buf);
pixf.comp_op(static_cast<agg::comp_op_e>(get<composite_mode_e, keys::comp_op>(sym_, feature_, common_.vars_)));
renderer_base ren_base(pixf);
agg::pattern_filter_bilinear_rgba8 filter;
pattern_source source(image, opacity);
pattern_type pattern (filter,source);
renderer_type ren(ren_base, pattern);
double half_stroke = std::max(marker.width()/2.0,marker.height()/2.0);
int rast_clip_padding = static_cast<int>(std::round(half_stroke));
ren.clip_box(-rast_clip_padding,-rast_clip_padding,common_.width_+rast_clip_padding,common_.height_+rast_clip_padding);
rasterizer_type ras(ren);
agg::trans_affine tr;
auto transform = get_optional<transform_type>(sym_, keys::geometry_transform);
if (transform) evaluate_transform(tr, feature_, common_.vars_, *transform, common_.scale_factor_);
box2d<double> clip_box = clipping_extent(common_);
if (clip)
{
double padding = (double)(common_.query_extent_.width()/pixmap_.width());
if (half_stroke > 1)
padding *= half_stroke;
if (std::fabs(offset) > 0)
padding *= std::fabs(offset) * 1.2;
padding *= common_.scale_factor_;
clip_box.pad(padding);
}
using vertex_converter_type = vertex_converter<clip_line_tag, transform_tag,
affine_transform_tag,
simplify_tag,smooth_tag,
offset_transform_tag>;
vertex_converter_type converter(clip_box,sym_,common_.t_,prj_trans_,tr,feature_,common_.vars_,common_.scale_factor_);
if (clip) converter.set<clip_line_tag>();
converter.set<transform_tag>(); //always transform
if (simplify_tolerance > 0.0) converter.set<simplify_tag>(); // optional simplify converter
if (std::fabs(offset) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
converter.set<affine_transform_tag>(); // optional affine transform
if (smooth > 0.0) converter.set<smooth_tag>(); // optional smooth converter
using apply_vertex_converter_type = detail::apply_vertex_converter<vertex_converter_type, rasterizer_type>;
using vertex_processor_type = geometry::vertex_processor<apply_vertex_converter_type>;
apply_vertex_converter_type apply(converter, ras);
mapnik::util::apply_visitor(vertex_processor_type(apply),feature_.get_geometry());
}