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90 lines
2.7 KiB
C++
90 lines
2.7 KiB
C++
#include "SDraw.h"
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NAMESPACE_UPP
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SDraw& SDraw::Fill(const RGBA& c)
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{
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if(inpath)
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path.close_polygon();
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RGBA color = c;
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if(PathVisible(0) && color.a) {
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if(pathattr.opacity != 1.0) {
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color.a = int(color.a * pathattr.opacity);
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color.r = int(color.r * pathattr.opacity);
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color.g = int(color.g * pathattr.opacity);
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color.b = int(color.b * pathattr.opacity);
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}
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if(color.a) {
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rasterizer.reset();
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rasterizer.filling_rule(pathattr.evenodd ? agg::fill_even_odd : agg::fill_non_zero);
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rasterizer.add_path(curved_trans);
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if(clip.GetCount()) {
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agg::rendering_buffer mask_rbuf;
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mask_rbuf.attach(~clip.Top(), size.cx, size.cy, size.cx);
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agg::alpha_mask_gray8 mask(mask_rbuf);
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agg::scanline_u8_am<agg::alpha_mask_gray8> sl(mask);
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renderer.color(*(color_type *)&color);
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agg::render_scanlines(rasterizer, sl, renderer);
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}
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else {
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renderer.color(*(color_type *)&color);
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agg::render_scanlines(rasterizer, scanline_p, renderer);
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}
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rasterizer.reset();
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}
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}
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inpath = false;
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return *this;
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}
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SDraw& SDraw::Fill(const Image& image, const Matrix2D& transsrc, dword flags)
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{
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if(image.GetWidth() == 0 || image.GetHeight() == 0)
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return *this;
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span_alloc sa;
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Matrix2D m = transsrc * pathattr.mtx;
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m.invert();
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interpolator_type interpolator(m);
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Size isz = image.GetSize();
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agg::rendering_buffer buf((agg::int8u*)~image, isz.cx, isz.cy, isz.cx * sizeof(RGBA));
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pixfmt img_pixf(buf);
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if(inpath)
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path.close_polygon();
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rasterizer.reset();
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rasterizer.filling_rule(pathattr.evenodd ? agg::fill_even_odd : agg::fill_non_zero);
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rasterizer.add_path(curved_trans);
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span_gen_type sg(img_pixf, agg::rgba8_pre(0, 0, 0, 0), interpolator);
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sg.alpha(int(pathattr.opacity * 255));
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sg.tile(flags & FILL_REPEAT);
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if(flags & FILL_HCOPY)
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sg.hcopy();
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if(flags & FILL_VCOPY)
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sg.vcopy();
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if(clip.GetCount()) {
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agg::rendering_buffer mask_rbuf;
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mask_rbuf.attach(~clip.Top(), size.cx, size.cy, size.cx);
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agg::alpha_mask_gray8 mask(mask_rbuf);
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agg::scanline_u8_am<agg::alpha_mask_gray8> sl(mask);
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agg::render_scanlines_aa(rasterizer, sl, renb, sa, sg);
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}
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else
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agg::render_scanlines_aa(rasterizer, scanline_p, renb, sa, sg);
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rasterizer.reset();
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inpath = false;
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return *this;
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}
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SDraw& SDraw::Fill(const Image& image, double x1, double y1, double x2, double y2, dword flags)
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{
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Matrix2D m;
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Size sz = image.GetSize();
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m.scale(agg::calc_distance(x1, y1, x2, y2) / sz.cx);
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if(abs(x2 - x1) < abs(y2 - y1) / 1000000)
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m.rotate(y2 > y1 ? M_PI_2 : -M_PI_2);
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else
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m.rotate(atan((y2 - y1) / (x2 - x1)));
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m.translate(x1, y1);
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return Fill(image, m, flags);
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}
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END_UPP_NAMESPACE
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