first init of 0.9
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cnjinhao
316
source/paint/gadget.cpp
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316
source/paint/gadget.cpp
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/*
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* Graphics Gadget Implementation
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* Copyright(C) 2003-2013 Jinhao(cnjinhao@hotmail.com)
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*
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* @file: nana/paint/gadget.cpp
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*/
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#include <nana/paint/graphics.hpp>
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#include <nana/paint/gadget.hpp>
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namespace nana
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{
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namespace paint
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{
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namespace gadget
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{
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namespace detail
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{
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typedef nana::paint::graphics& graph_reference;
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void hollow_triangle(graph_reference graph, int x, int y, nana::color_t color, uint32_t direction)
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{
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x += 3;
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y += 3;
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switch(direction)
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{
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case directions::to_east:
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graph.line(x + 3, y + 1, x + 3, y + 9, color);
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graph.line(x + 4, y + 2 , x + 7, y + 5, color);
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graph.line(x + 6, y + 6, x + 4, y + 8, color);
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break;
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case directions::to_southeast:
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graph.line(x + 2, y + 7, x + 7, y + 7, color);
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graph.line(x + 7, y + 2, x + 7, y + 6, color);
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graph.line(x + 3, y + 6, x + 6, y + 3, color);
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break;
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case directions::to_south:
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y += 3;
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graph.line(x, y, x + 8, y, color);
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graph.line(x + 1, y + 1, x + 4, y + 4, color);
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graph.line(x + 7, y + 1, x + 5, y + 3, color);
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break;
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case directions::to_west:
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x += 5;
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y += 1;
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graph.line(x, y, x, y + 8, color);
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graph.line(x - 4, y + 4, x - 1, y + 1, color);
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graph.line(x - 3, y + 5, x - 1, y + 7, color);
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break;
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case directions::to_north:
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y += 7;
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graph.line(x, y, x + 8, y, color);
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graph.line(x + 1, y - 1, x + 4, y - 4, color);
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graph.line(x + 5, y - 3, x + 7, y - 1, color);
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break;
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}
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}
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void solid_triangle(graph_reference graph, int x, int y, nana::color_t color, uint32_t dir)
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{
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x += 3;
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y += 3;
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switch(dir)
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{
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case directions::to_east:
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for(int i = 0; i < 5; ++i)
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graph.line(x + 3 + i, y + 1 + i, x + 3 + i, y + 9 - i, color);
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break;
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case directions::to_southeast:
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for(int i = 0; i < 6; ++i)
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graph.line(x + 2 + i, y + 7 - i, x + 7, y + 7 - i, color);
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break;
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case directions::to_south:
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y += 3;
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for(int i = 0; i < 5; ++i)
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graph.line(x + i, y + i, x + 8 - i, y + i, color);
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break;
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case directions::to_west:
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x += 5;
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y += 1;
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for(int i = 0; i < 5; ++i)
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graph.line(x - i, y + i, x - i, y + 8 - i, color);
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break;
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case directions::to_north:
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y += 7;
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for(int i = 0; i < 5; ++i)
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graph.line(x + i, y - i, x + 8 - i, y - i, color);
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break;
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}
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}
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void direction_arrow(graph_reference graph, int x, int y, nana::color_t color, uint32_t dir)
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{
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y += 5;
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switch(dir)
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{
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case directions::to_north:
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{
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x += 3;
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int pixels = 1;
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for(int l = 0; l < 4; ++l)
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{
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for(int i = 0; i < pixels; ++i)
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{
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if(l ==3 && i == 3)
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{}
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else
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graph.set_pixel(x + i, y, 0x262);
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}
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x--;
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y++;
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pixels += 2;
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}
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graph.set_pixel(x + 1, y, 0x262);
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graph.set_pixel(x + 2, y, 0x262);
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graph.set_pixel(x + 6, y, 0x262);
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graph.set_pixel(x + 7, y, 0x262);
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}
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break;
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case directions::to_south:
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{
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graph.set_pixel(x, y, 0x262);
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graph.set_pixel(x + 1, y, 0x262);
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graph.set_pixel(x + 5, y, 0x262);
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graph.set_pixel(x + 6, y, 0x262);
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++y;
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int pixels = 7;
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for(int l = 0; l < 4; ++l)
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{
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for(int i = 0; i < pixels; ++i)
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{
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if(l == 0 && i == 3){}
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else
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graph.set_pixel(x + i, y, 0x262);
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}
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x++;
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y++;
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pixels -= 2;
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}
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}
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break;
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}
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}
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void double_arrow_line(nana::paint::graphics & graph, int x, int y, color_t color, bool horizontal)
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{
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graph.set_pixel(x, y, color);
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if(horizontal)
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{
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graph.set_pixel(x + 1, y, color);
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graph.set_pixel(x + 4, y, color);
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graph.set_pixel(x + 5, y, color);
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}
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else
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{
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graph.set_pixel(x, y + 1, color);
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graph.set_pixel(x, y + 4, color);
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graph.set_pixel(x, y + 5, color);
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}
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}
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void double_arrow(nana::paint::graphics& graph, int x, int y, color_t color, directions::t dir)
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{
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switch(dir)
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{
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case directions::to_east:
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double_arrow_line(graph, x + 4, y + 6, color, true);
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double_arrow_line(graph, x + 5, y + 7, color, true);
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double_arrow_line(graph, x + 6, y + 8, color, true);
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double_arrow_line(graph, x + 5, y + 9, color, true);
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double_arrow_line(graph, x + 4, y + 10, color, true);
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break;
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case directions::to_west:
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double_arrow_line(graph, x + 5, y + 6, color, true);
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double_arrow_line(graph, x + 4, y + 7, color, true);
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double_arrow_line(graph, x + 3, y + 8, color, true);
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double_arrow_line(graph, x + 4, y + 9, color, true);
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double_arrow_line(graph, x + 5, y + 10, color, true);
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break;
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case directions::to_south:
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double_arrow_line(graph, x + 5, y + 4, color, false);
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double_arrow_line(graph, x + 6, y + 5, color, false);
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double_arrow_line(graph, x + 7, y + 6, color, false);
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double_arrow_line(graph, x + 8, y + 5, color, false);
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double_arrow_line(graph, x + 9, y + 4, color, false);
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break;
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case directions::to_north:
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double_arrow_line(graph, x + 5, y + 6, color, false);
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double_arrow_line(graph, x + 6, y + 5, color, false);
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double_arrow_line(graph, x + 7, y + 4, color, false);
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double_arrow_line(graph, x + 8, y + 5, color, false);
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double_arrow_line(graph, x + 9, y + 6, color, false);
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break;
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default:
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break;
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}
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}
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}//end namespace detail
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//arrow_16_pixels
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//param@style: 0 = hollow, 1 = solid
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void arrow_16_pixels(nana::paint::graphics& graph, int x, int y, unsigned color, uint32_t style, directions::t dir)
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{
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switch(style)
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{
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case 1:
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detail::solid_triangle(graph, x, y, color, dir);
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break;
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case 2:
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detail::direction_arrow(graph, x, y, color, dir);
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break;
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case 3:
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detail::double_arrow(graph, x, y, color, dir);
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break;
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case 0:
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default:
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detail::hollow_triangle(graph, x, y, color, dir);
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break;
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}
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}
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void close_16_pixels(nana::paint::graphics& graph, int x, int y, uint32_t style, uint32_t color)
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{
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if(0 == style)
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{
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x += 3;
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y += 3;
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graph.line(x, y, x + 9, y + 9, color);
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graph.line(x + 1, y, x + 9, y + 8, color);
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graph.line(x, y + 1, x + 8, y + 9, color);
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graph.line(x + 9, y, x , y + 9, color);
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graph.line(x + 8, y, x, y + 8, color);
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graph.line(x + 9, y + 1, x + 1, y + 9, color);
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}
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else
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{
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x += 4;
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y += 4;
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graph.line(x, y, x + 7, y + 7, color);
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graph.line(x + 1, y, x + 7, y + 6, color);
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graph.line(x, y + 1, x + 6, y + 7, color);
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graph.line(x + 7, y, x , y + 7, color);
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graph.line(x + 6, y, x, y + 6, color);
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graph.line(x + 7, y + 1, x + 1, y + 7, color);
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}
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}
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void cross(graphics& graph, int x, int y, uint32_t size, uint32_t thickness, nana::color_t color)
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{
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if(thickness + 2 <= size)
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{
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int gap = (size - thickness) / 2;
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nana::point ps[12];
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ps[0].x = x + gap;
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ps[1].x = ps[0].x + thickness - 1;
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ps[1].y = ps[0].y = y;
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ps[2].x = ps[1].x;
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ps[2].y = y + gap;
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ps[3].x = ps[2].x + gap;
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ps[3].y = ps[2].y;
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ps[4].x = ps[3].x;
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ps[4].y = ps[3].y + thickness - 1;
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ps[5].x = ps[1].x;
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ps[5].y = ps[4].y;
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ps[6].x = ps[5].x;
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ps[6].y = ps[5].y + gap;
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ps[7].x = x + gap;
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ps[7].y = ps[6].y;
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ps[8].x = ps[7].x;
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ps[8].y = ps[4].y;
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ps[9].x = x;
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ps[9].y = ps[4].y;
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ps[10].x = x;
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ps[10].y = y + gap;
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ps[11].x = x + gap;
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ps[11].y = y + gap;
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nana::color_t dkcolor = graph.mix(color, 0x0, 0.5);
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for(int i = 0; i < 11; ++i)
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graph.line(ps[i], ps[i + 1], dkcolor);
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graph.line(ps[11], ps[0], dkcolor);
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graph.rectangle(ps[10].x + 1, ps[10].y + 1, (gap << 1) + thickness - 2, thickness - 2, color, true);
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graph.rectangle(ps[0].x + 1, ps[0].y + 1, thickness - 2, (gap << 1) + thickness - 2, color, true);
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}
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}
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}//end namespace gadget
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}//end namespace paint
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}//end namespace nana
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