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86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
/*
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* GraphicalPrimitiveCanvas.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "GraphicalPrimitiveCanvas.h"
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#include "../render/Canvas.h"
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GraphicalPrimitiveCanvas::GraphicalPrimitiveCanvas(Rect dimensions)
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{
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pos = dimensions + pos.topLeft();
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}
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void GraphicalPrimitiveCanvas::showAll(Canvas & to)
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{
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auto const & translatePoint = [this](const Point & input){
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int x = input.x < 0 ? pos.w + input.x : input.x;
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int y = input.y < 0 ? pos.h + input.y : input.y;
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return Point(x,y);
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};
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for (auto const & entry : primitives)
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{
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switch (entry.type)
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{
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case PrimitiveType::LINE:
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{
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to.drawLine(pos.topLeft() + translatePoint(entry.a), pos.topLeft() + translatePoint(entry.b), entry.color, entry.color);
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break;
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}
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case PrimitiveType::FILLED_BOX:
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{
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to.drawColorBlended(Rect(pos.topLeft() + translatePoint(entry.a), translatePoint(entry.b)), entry.color);
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break;
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}
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case PrimitiveType::RECTANGLE:
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{
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to.drawBorder(Rect(pos.topLeft() + translatePoint(entry.a), translatePoint(entry.b)), entry.color);
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break;
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}
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}
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}
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}
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void GraphicalPrimitiveCanvas::addLine(const Point & from, const Point & to, const ColorRGBA & color)
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{
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primitives.push_back({color, from, to, PrimitiveType::LINE});
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}
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void GraphicalPrimitiveCanvas::addBox(const Point & topLeft, const Point & size, const ColorRGBA & color)
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{
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primitives.push_back({color, topLeft, size, PrimitiveType::FILLED_BOX});
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}
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void GraphicalPrimitiveCanvas::addRectangle(const Point & topLeft, const Point & size, const ColorRGBA & color)
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{
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primitives.push_back({color, topLeft, size, PrimitiveType::RECTANGLE});
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}
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TransparentFilledRectangle::TransparentFilledRectangle(Rect position, ColorRGBA color) :
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GraphicalPrimitiveCanvas(position)
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{
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addBox(Point(0,0), Point(-1, -1), color);
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}
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TransparentFilledRectangle::TransparentFilledRectangle(Rect position, ColorRGBA color, ColorRGBA colorLine, int width) :
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GraphicalPrimitiveCanvas(position)
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{
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addBox(Point(0,0), Point(-1, -1), color);
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for (int i = 0; i < width; ++i)
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addRectangle(Point(i,i), Point(-1-i*2, -1-i*2), colorLine);
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}
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SimpleLine::SimpleLine(Point pos1, Point pos2, ColorRGBA color) :
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GraphicalPrimitiveCanvas(Rect(pos1, pos2 - pos1))
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{
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addLine(Point(0,0), Point(-1, -1), color);
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}
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