71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
#include "lua/internal.hpp"
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#include "library/framebuffer.hpp"
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#include "library/lua-framebuffer.hpp"
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namespace
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{
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struct render_object_box : public framebuffer::object
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{
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render_object_box(int32_t _x, int32_t _y, int32_t _width, int32_t _height,
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framebuffer::color _outline1, framebuffer::color _outline2, framebuffer::color _fill,
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int32_t _thickness) throw()
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: x(_x), y(_y), width(_width), height(_height), outline1(_outline1), outline2(_outline2),
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fill(_fill), thickness(_thickness) {}
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~render_object_box() throw() {}
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template<bool X> void op(struct framebuffer::fb<X>& scr) throw()
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{
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outline1.set_palette(scr);
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outline2.set_palette(scr);
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fill.set_palette(scr);
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uint32_t originx = scr.get_origin_x();
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uint32_t originy = scr.get_origin_y();
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int32_t xmin = 0;
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int32_t xmax = width;
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int32_t ymin = 0;
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int32_t ymax = height;
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framebuffer::clip_range(originx, scr.get_width(), x, xmin, xmax);
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framebuffer::clip_range(originy, scr.get_height(), y, ymin, ymax);
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for(int32_t r = ymin; r < ymax; r++) {
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typename framebuffer::fb<X>::element_t* rptr = scr.rowptr(y + r + originy);
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size_t eptr = x + xmin + originx;
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for(int32_t c = xmin; c < xmax; c++, eptr++)
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if((r < thickness && r <= (width - c)) || (c < thickness && c < (height - r)))
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outline1.apply(rptr[eptr]);
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else if(r < thickness || c < thickness || r >= height - thickness ||
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c >= width - thickness)
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outline2.apply(rptr[eptr]);
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else
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fill.apply(rptr[eptr]);
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}
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}
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void operator()(struct framebuffer::fb<true>& scr) throw() { op(scr); }
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void operator()(struct framebuffer::fb<false>& scr) throw() { op(scr); }
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void clone(framebuffer::queue& q) const throw(std::bad_alloc) { q.clone_helper(this); }
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private:
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int32_t x;
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int32_t y;
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int32_t width;
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int32_t height;
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framebuffer::color outline1;
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framebuffer::color outline2;
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framebuffer::color fill;
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int32_t thickness;
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};
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lua::fnptr2 gui_box(lua_func_misc, "gui.box", [](lua::state& L, lua::parameters& P) -> int {
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if(!lua_render_ctx)
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return 0;
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auto x = P.arg<int32_t>();
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auto y = P.arg<int32_t>();
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auto width = P.arg<uint32_t>();
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auto height = P.arg<uint32_t>();
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uint32_t thickness = P.arg_opt<uint32_t>(1);
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auto poutline1 = P.arg_opt<framebuffer::color>(0xFFFFFFU);
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auto poutline2 = P.arg_opt<framebuffer::color>(0x808080U);
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auto pfill = P.arg_opt<framebuffer::color>(0xC0C0C0U);
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lua_render_ctx->queue->create_add<render_object_box>(x, y, width, height, poutline1, poutline2,
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pfill, thickness);
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return 0;
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});
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}
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