61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
#include "lua-int.hpp"
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#include "render.hpp"
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namespace
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{
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struct render_object_rectangle : public render_object
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{
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render_object_rectangle(int32_t _x, int32_t _y, uint32_t _width, uint32_t _height,
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premultiplied_color _outline, premultiplied_color _fill, uint32_t _thickness) throw()
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: x(_x), y(_y), width(_width), height(_height), outline(_outline), fill(_fill),
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thickness(_thickness) {}
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~render_object_rectangle() throw() {}
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void operator()(struct screen& scr) throw()
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{
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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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clip_range(scr.originx, scr.width, x, xmin, xmax);
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clip_range(scr.originy, scr.height, y, ymin, ymax);
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for(int32_t r = ymin; r < ymax; r++) {
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uint32_t* rptr = scr.rowptr(y + r + scr.originy);
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size_t eptr = x + xmin + scr.originx;
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for(int32_t c = xmin; c < xmax; c++, eptr++)
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if(r < thickness || c < thickness || r >= height - thickness ||
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c >= width - thickness)
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outline.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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private:
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int32_t x;
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int32_t y;
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uint32_t width;
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uint32_t height;
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premultiplied_color outline;
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premultiplied_color fill;
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uint32_t thickness;
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};
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function_ptr_luafun gui_rectangle("gui.rectangle", [](lua_State* LS, const std::string& fname) -> int {
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if(!lua_render_ctx)
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return 0;
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int64_t outline = 0xFFFFFFU;
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int64_t fill = -1;
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uint32_t thickness = 1;
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int32_t x = get_numeric_argument<int32_t>(LS, 1, fname.c_str());
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int32_t y = get_numeric_argument<int32_t>(LS, 2, fname.c_str());
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uint32_t width = get_numeric_argument<uint32_t>(LS, 3, fname.c_str());
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uint32_t height = get_numeric_argument<uint32_t>(LS, 4, fname.c_str());
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get_numeric_argument<uint32_t>(LS, 5, thickness, fname.c_str());
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get_numeric_argument<int64_t>(LS, 6, outline, fname.c_str());
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get_numeric_argument<int64_t>(LS, 7, fill, fname.c_str());
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premultiplied_color poutline(outline);
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premultiplied_color pfill(fill);
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lua_render_ctx->queue->add(*new render_object_rectangle(x, y, width, height, poutline, pfill,
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thickness));
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return 0;
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});
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}
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