void render_raster_marker(RendererType ren,
RasterizerType & ras,
image_data_rgba8 & src,
mapnik::feature_impl const& feature,
agg::trans_affine const& marker_tr,
double opacity)
{
using color_type = typename RendererType::color_type;
agg::scanline_bin sl;
double width = src.width();
double height = src.height();
double p[8];
p[0] = 0; p[1] = 0;
p[2] = width; p[3] = 0;
p[4] = width; p[5] = height;
p[6] = 0; p[7] = height;
marker_tr.transform(&p[0], &p[1]);
marker_tr.transform(&p[2], &p[3]);
marker_tr.transform(&p[4], &p[5]);
marker_tr.transform(&p[6], &p[7]);
ras.move_to_d(p[0],p[1]);
ras.line_to_d(p[2],p[3]);
ras.line_to_d(p[4],p[5]);
ras.line_to_d(p[6],p[7]);
ren.color(color_type(feature.id()));
agg::render_scanlines(ras, sl, ren);
}
void CAggMemoryDC::Rect(
const GraphTypes::PointF& tl,
const GraphTypes::PointF& br,
const GraphTypes::Color& clrfill,
const GraphTypes::Color& clroutline,
GraphTypes::REAL outline_width/*=1.0*/,
bool bAA/*=false*/)
{
if (m_buf==0)
return;
if(bAA)
{
PointF points[4];
points[0].x=tl.x;
points[0].y=tl.y;
points[1].x=br.x;
points[1].y=tl.y;
points[2].x=br.x;
points[2].y=br.y;
points[3].x=tl.x;
points[3].y=br.y;
SolidPolygon(points, clrfill, 4, outline_width, clroutline);
}
else
{
pixel_format pixf(m_rbuf);
ren_base renb(pixf);
primitive_renderer pren(renb);
pren.fill_color(agg::rgba8(
clrfill.GetR(),
clrfill.GetG(),
clrfill.GetB(),
clrfill.GetA()));
pren.line_color(agg::rgba8(
clroutline.GetR(),
clroutline.GetG(),
clroutline.GetB(),
clroutline.GetA()));
double topx(tl.x), topy(tl.y), bottomx(br.x), bottomy(br.y);
m_mtx.transform(&topx,&topy);
m_mtx.transform(&bottomx,&bottomy);
int x1=round_int(topx);
int y1=round_int(topy);
int x2=round_int(bottomx);
int y2=round_int(bottomy);
pren.solid_rectangle(x1, y1, x2, y2);
pren.rectangle(x1, y1, x2, y2);
}
}
box2d<T>::box2d(const box2d_type &rhs, const agg::trans_affine& tr)
{
double x0 = rhs.minx_, y0 = rhs.miny_;
double x1 = rhs.maxx_, y1 = rhs.miny_;
double x2 = rhs.maxx_, y2 = rhs.maxy_;
double x3 = rhs.minx_, y3 = rhs.maxy_;
tr.transform(&x0, &y0);
tr.transform(&x1, &y1);
tr.transform(&x2, &y2);
tr.transform(&x3, &y3);
init(x0, y0, x2, y2);
expand_to_include(x1, y1);
expand_to_include(x3, y3);
}
void CAggMemoryDC::Line(
const PointF& p1,
const PointF& p2,
const Color& clr)
{
if (m_buf==0)
return;
CPoint _p1 = p1;
CPoint _p2 = p2;
pixel_format pixf(m_rbuf);
ren_base renb(pixf);
outline_renderer outline_rd(renb, s_lineprof);
outline_rasterizer_aa outline_rt(outline_rd);
outline_rd.profile(s_lineprof);
outline_rd.color(agg::rgba8(clr.GetR(), clr.GetG(), clr.GetB(), clr.GetA()));
outline_rd.clip_box(0, 0, m_rcUpdate.Width(), m_rcUpdate.Height());
double p1x(p1.x), p1y(p1.y), p2x(p2.x), p2y(p2.y);
m_mtx.transform(&p1x,&p1y);
m_mtx.transform(&p2x,&p2y);
outline_rt.move_to_d(p1x, p1y);
outline_rt.line_to_d(p2x, p2y);
//outline_rt.round_cap( 1 );
outline_rt.render(false);
}
void render_raster_marker(agg::trans_affine const& marker_tr)
{
double width = src_.width();
double height = src_.height();
double p[8];
p[0] = 0; p[1] = 0;
p[2] = width; p[3] = 0;
p[4] = width; p[5] = height;
p[6] = 0; p[7] = height;
marker_tr.transform(&p[0], &p[1]);
marker_tr.transform(&p[2], &p[3]);
marker_tr.transform(&p[4], &p[5]);
marker_tr.transform(&p[6], &p[7]);
ras_.move_to_d(p[0],p[1]);
ras_.line_to_d(p[2],p[3]);
ras_.line_to_d(p[4],p[5]);
ras_.line_to_d(p[6],p[7]);
RendererType ren(renb_);
ren.color(color_type(feature_.id()));
agg::render_scanlines(ras_, sl_, ren);
}
void render_raster_marker(agg::trans_affine const& marker_tr,
double opacity)
{
double width = src_.width();
double height = src_.height();
double p[8];
p[0] = 0; p[1] = 0;
p[2] = width; p[3] = 0;
p[4] = width; p[5] = height;
p[6] = 0; p[7] = height;
marker_tr.transform(&p[0], &p[1]);
marker_tr.transform(&p[2], &p[3]);
marker_tr.transform(&p[4], &p[5]);
marker_tr.transform(&p[6], &p[7]);
ras_.move_to_d(p[0],p[1]);
ras_.line_to_d(p[2],p[3]);
ras_.line_to_d(p[4],p[5]);
ras_.line_to_d(p[6],p[7]);
agg::span_allocator<color_type> sa;
agg::image_filter_bilinear filter_kernel;
agg::image_filter_lut filter(filter_kernel, false);
agg::rendering_buffer marker_buf((unsigned char *)src_.getBytes(),
src_.width(),
src_.height(),
src_.width()*4);
agg::pixfmt_rgba32_pre pixf(marker_buf);
typedef agg::image_accessor_clone<agg::pixfmt_rgba32_pre> img_accessor_type;
typedef agg::span_interpolator_linear<agg::trans_affine> interpolator_type;
typedef agg::span_image_filter_rgba_2x2<img_accessor_type,
interpolator_type> span_gen_type;
typedef agg::renderer_scanline_aa_alpha<renderer_base,
agg::span_allocator<color_type>,
span_gen_type> renderer_type;
img_accessor_type ia(pixf);
interpolator_type interpolator(agg::trans_affine(p, 0, 0, width, height) );
span_gen_type sg(ia, interpolator, filter);
renderer_type rp(renb_,sa, sg, unsigned(opacity*255));
agg::render_scanlines(ras_, sl_, rp);
}
//-----------------------------------------------------------------------------
int CAggMemoryDC::SetDIBitsToDevice(
int x,
int y,
DWORD dwWidth,
DWORD dwHeight,
int xSrc,
int ySrc,
UINT uStartScan,
UINT cScanLines,
CONST VOID* lpvBits,
CONST BITMAPINFO* lpbmi,
UINT uColorUse)
{
double dx = x;
double dy = y;
m_mtx.transform(&dx,&dy);
return ::SetDIBitsToDevice(m_hDC, x, y, dwWidth, dwHeight, xSrc, ySrc, uStartScan, cScanLines, lpvBits, lpbmi, uColorUse);
}
Bounds::Bounds(const agg::trans_affine& trans,
agg::path_storage* path, pathAttr* attr, double dilation,
double scale)
{
double centx = attr->mCentroid.x;
double centy = attr->mCentroid.y;
trans.transform(¢x, ¢y);
mValid = attr->boundingRect(path, trans, mMin_X, mMin_Y, mMax_X, mMax_Y, scale);
if (mValid && mMin_X <= centx && mMax_X >= centx &&
mMin_Y <= centy && mMax_Y >= centy && dilation != 1.0)
{
mMin_X = dilation * (mMin_X - centx) + centx;
mMax_X = dilation * (mMax_X - centx) + centx;
mMin_Y = dilation * (mMin_Y - centy) + centy;
mMax_Y = dilation * (mMax_Y - centy) + centy;
}
}
void SelectionScanlineSweeper::DrawImpl_rgb(agg::rect_d rect, RenderingData *data, unsigned int width, unsigned int height, int stride,
agg::trans_affine const &mtx, agg::trans_affine const &viewport_mtx) {
//ScanlineSource source(data);
typedef agg::pixfmt_alpha_blend_rgb<agg::blender_rgb<agg::rgba8, agg::order_rgb>, agg::scanline_accessor> pixfmt_type;
typedef pixfmt_type::color_type color_type;
typedef color_type::value_type value_type;
typedef agg::renderer_base<pixfmt_type> renderer_base;
typedef agg::renderer_scanline_aa_solid<renderer_base> renderer_solid;
agg::rasterizer_scanline_aa<> l_rasterizer;
agg::scanline_u8 l_scanline;
//pixfmt_type pixfmt(agg::scanline_accessor(&source, ScanlineSource::get_scanline, width, height, stride));
pixfmt_type pixfmt((agg::scanline_accessor(data)));
renderer_base rb(pixfmt);
l_rasterizer.clip_box(0.0, 0.0, width, height);
l_rasterizer.filling_rule(agg::fill_non_zero);
if (flip_y) {
mtx.transform(&rect.x1, &rect.y1);
mtx.transform(&rect.x2, &rect.y2);
}
double vertexes[] = {
rect.x1, rect.y2,
rect.x1, rect.y1,
rect.x2, rect.y1,
rect.x2, rect.y2
};
agg::test_vertex_source vertex_source(vertexes, 4);
agg::conv_transform<agg::test_vertex_source> vertex_source_converted(vertex_source, viewport_mtx);
l_rasterizer.add_path(vertex_source_converted);
renderer_solid r(rb);
{
r.color(color);
agg::render_scanlines(l_rasterizer, l_scanline, r);
}
}
bool CAggMemoryDC::DrawTransparent(
HBITMAP hBitmap,
int x,
int y,
int width,
int height,
int bmpWidth,
int bmpHeight,
COLORREF color)
{
ATLASSERT(width>0&&height>0);
double dx = x;
double dy = y;
m_mtx.transform(&dx,&dy);
CDC dcImage;
bool bOk=dcImage.CreateCompatibleDC(m_hDC) != NULL;
HBITMAP oldbmp=dcImage.SelectBitmap(hBitmap);
// if OS supports non-leaky TransparentBlt use it (also on printer)
if(s_bTransOk)
{
#ifndef _WIN32_WCE
bOk=TransparentBlt(x, y, width, height, dcImage, 0, 0, bmpWidth, bmpHeight, color) != 0;
if (!bOk) // just in case (e.g. printing), try emulation
goto tryEmulate;
#endif
}
else
{
tryEmulate:
CBitmap bmpMono;
bOk=bmpMono.CreateBitmap(width, height, 1, 1, NULL) != NULL;
if (!bOk)
return bOk;
CDC dcMono;
// Create dc for the mask
bOk = dcMono.CreateCompatibleDC(m_hDC) != NULL;
if (!bOk)
return bOk;
// Select the mask bitmap into its dc
HBITMAP oldBitmapMono = (HBITMAP)::SelectObject(dcMono, bmpMono);
if(bOk)
{
// Build mask based on transparent colour
COLORREF crOldImg=dcImage.SetBkColor(color);
bOk=dcMono.StretchBlt(0, 0, width, height, dcImage, 0, 0, bmpWidth, bmpHeight, SRCCOPY) != 0;
dcImage.SetBkColor(crOldImg);
// True Mask method - no flicker if destination is not actual display
if(bOk)
bOk=StretchBlt(x, y, width, height, dcImage, 0, 0, bmpWidth, bmpHeight, SRCINVERT) != 0;
if(bOk)
{
// setup the destination for monochrome blit
COLORREF crOldBack = SetBkColor(RGB(255,255,255));
COLORREF crOldText = SetTextColor(RGB(0,0,0));
bOk=BitBlt(x, y, width, height, dcMono, 0, 0, SRCAND) != 0;
SetBkColor(crOldBack);
SetTextColor(crOldText);
}
if(bOk)
bOk=StretchBlt(x, y, width, height, dcImage, 0, 0, bmpWidth, bmpHeight, SRCINVERT) != 0;
}
dcMono.SelectBitmap(oldBitmapMono);
}
dcImage.SelectBitmap(oldbmp);
return bOk;
}
void render_raster_marker(agg::trans_affine const& marker_tr,
double opacity)
{
using pixfmt_pre = agg::pixfmt_rgba32_pre;
agg::scanline_u8 sl_;
double width = src_.width();
double height = src_.height();
if (std::fabs(1.0 - scale_factor_) < 0.001
&& (std::fabs(1.0 - marker_tr.sx) < agg::affine_epsilon)
&& (std::fabs(0.0 - marker_tr.shy) < agg::affine_epsilon)
&& (std::fabs(0.0 - marker_tr.shx) < agg::affine_epsilon)
&& (std::fabs(1.0 - marker_tr.sy) < agg::affine_epsilon))
{
agg::rendering_buffer src_buffer((unsigned char *)src_.getBytes(),src_.width(),src_.height(),src_.width() * 4);
pixfmt_pre pixf_mask(src_buffer);
if (snap_to_pixels_)
{
renb_.blend_from(pixf_mask,
0,
std::floor(marker_tr.tx + .5),
std::floor(marker_tr.ty + .5),
unsigned(255*opacity));
}
else
{
renb_.blend_from(pixf_mask,
0,
marker_tr.tx,
marker_tr.ty,
unsigned(255*opacity));
}
}
else
{
using img_accessor_type = agg::image_accessor_clone<pixfmt_pre>;
using interpolator_type = agg::span_interpolator_linear<>;
//using span_gen_type = agg::span_image_filter_rgba_2x2<img_accessor_type,interpolator_type>;
using span_gen_type = agg::span_image_resample_rgba_affine<img_accessor_type>;
using renderer_type = agg::renderer_scanline_aa_alpha<renderer_base,
agg::span_allocator<color_type>,
span_gen_type>;
double p[8];
p[0] = 0; p[1] = 0;
p[2] = width; p[3] = 0;
p[4] = width; p[5] = height;
p[6] = 0; p[7] = height;
marker_tr.transform(&p[0], &p[1]);
marker_tr.transform(&p[2], &p[3]);
marker_tr.transform(&p[4], &p[5]);
marker_tr.transform(&p[6], &p[7]);
agg::span_allocator<color_type> sa;
agg::image_filter_lut filter;
filter.calculate(agg::image_filter_bilinear(), true);
agg::rendering_buffer marker_buf((unsigned char *)src_.getBytes(),
src_.width(),
src_.height(),
src_.width()*4);
pixfmt_pre pixf(marker_buf);
img_accessor_type ia(pixf);
agg::trans_affine final_tr(p, 0, 0, width, height);
if (snap_to_pixels_)
{
final_tr.tx = std::floor(final_tr.tx+.5);
final_tr.ty = std::floor(final_tr.ty+.5);
}
interpolator_type interpolator(final_tr);
span_gen_type sg(ia, interpolator, filter);
renderer_type rp(renb_,sa, sg, unsigned(opacity*255));
ras_.move_to_d(p[0],p[1]);
ras_.line_to_d(p[2],p[3]);
ras_.line_to_d(p[4],p[5]);
ras_.line_to_d(p[6],p[7]);
agg::render_scanlines(ras_, sl_, rp);
}
}
void render_raster_marker(RendererType renb, RasterizerType & ras, image_rgba8 const& src,
agg::trans_affine const& tr, double opacity,
float scale_factor, bool snap_to_pixels)
{
using color_type = agg::rgba8;
using const_rendering_buffer = util::rendering_buffer<image_rgba8>;
using pixfmt_pre = agg::pixfmt_alpha_blend_rgba<agg::blender_rgba32_pre, const_rendering_buffer, agg::pixel32_type>;
agg::scanline_u8 sl;
double width = src.width();
double height = src.height();
if (std::fabs(1.0 - scale_factor) < 0.001
&& (std::fabs(1.0 - tr.sx) < agg::affine_epsilon)
&& (std::fabs(0.0 - tr.shy) < agg::affine_epsilon)
&& (std::fabs(0.0 - tr.shx) < agg::affine_epsilon)
&& (std::fabs(1.0 - tr.sy) < agg::affine_epsilon))
{
const_rendering_buffer src_buffer(src);
pixfmt_pre pixf_mask(src_buffer);
if (snap_to_pixels)
{
renb.blend_from(pixf_mask,
0,
static_cast<int>(std::floor(tr.tx + .5)),
static_cast<int>(std::floor(tr.ty + .5)),
unsigned(255*opacity));
}
else
{
renb.blend_from(pixf_mask,
0,
static_cast<int>(tr.tx),
static_cast<int>(tr.ty),
unsigned(255*opacity));
}
}
else
{
using img_accessor_type = agg::image_accessor_clone<pixfmt_pre>;
using interpolator_type = agg::span_interpolator_linear<>;
//using span_gen_type = agg::span_image_filter_rgba_2x2<img_accessor_type,interpolator_type>;
using span_gen_type = agg::span_image_resample_rgba_affine<img_accessor_type>;
using renderer_type = agg::renderer_scanline_aa_alpha<RendererType,
agg::span_allocator<color_type>,
span_gen_type>;
double p[8];
p[0] = 0; p[1] = 0;
p[2] = width; p[3] = 0;
p[4] = width; p[5] = height;
p[6] = 0; p[7] = height;
tr.transform(&p[0], &p[1]);
tr.transform(&p[2], &p[3]);
tr.transform(&p[4], &p[5]);
tr.transform(&p[6], &p[7]);
agg::span_allocator<color_type> sa;
agg::image_filter_lut filter;
filter.calculate(agg::image_filter_bilinear(), true);
const_rendering_buffer src_buffer(src);
pixfmt_pre pixf(src_buffer);
img_accessor_type ia(pixf);
agg::trans_affine final_tr(p, 0, 0, width, height);
if (snap_to_pixels)
{
final_tr.tx = std::floor(final_tr.tx+.5);
final_tr.ty = std::floor(final_tr.ty+.5);
}
interpolator_type interpolator(final_tr);
span_gen_type sg(ia, interpolator, filter);
renderer_type rp(renb, sa, sg, unsigned(opacity*255));
ras.move_to_d(p[0],p[1]);
ras.line_to_d(p[2],p[3]);
ras.line_to_d(p[4],p[5]);
ras.line_to_d(p[6],p[7]);
agg::render_scanlines(ras, sl, rp);
}
}
