75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
#include "./Surface.h"
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#include "./Display.h"
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#include <ArduinoLog.h>
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Surface::Surface(Display* dpy, const VirtualCoordinates& start, const VirtualCoordinates& end)
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: start(dpy->coordinateMapping()->virtualToPhysicalCoords(start)),
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end(dpy->coordinateMapping()->virtualToPhysicalCoords(end)),
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virtStart(start),
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virtEnd(end),
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m_display(dpy)
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{
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//assert(start.x <= end.x);
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//assert(start.y <= end.y);
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}
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Surface::Surface(Display* dpy, const VirtualCoordinates& start, const VirtualCoordinates& end, uint8_t rotation)
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: start(dpy->coordinateMapping()->virtualToPhysicalCoords(start)),
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end(dpy->coordinateMapping()->virtualToPhysicalCoords(end)),
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virtStart(start),
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virtEnd(end),
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m_display(dpy),
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m_rotation(rotation)
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{
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//assert(start.x <= end.x);
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//assert(start.y <= end.y);
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}
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Surface&
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Surface::operator=(const CRGB& color)
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{
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paintWith([&](CRGB& pixel) {
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pixel = color;
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});
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return *this;
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}
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Surface&
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Surface::operator+=(const CRGB& color)
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{
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paintWith([&](CRGB& pixel) {
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pixel += color;
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});
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return *this;
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}
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void
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Surface::paintWith(std::function<void(CRGB&)> func)
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{
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paintShader([=](CRGB& pixel, const VirtualCoordinates&, const PhysicalCoordinates&, const VirtualCoordinates&){ func(pixel); });
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}
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void
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Surface::paintShader(Surface::Shader shader)
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{
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uint8_t startX = min(start.x, end.x);
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uint8_t startY = min(start.y, end.y);
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uint8_t endX = max(start.x, end.x);
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uint8_t endY = max(start.y, end.y);
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const uint16_t width = endX - startX + 1;
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const uint16_t height = endY - startY + 1;
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const uint8_t xMod = 255 / width;
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const uint8_t yMod = 255 / height;
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for(auto x = 0; x < width; x++) {
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for(auto y = 0; y < height; y++) {
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PhysicalCoordinates coords{x + startX, y + startY};
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VirtualCoordinates virtCoords{m_display->coordinateMapping()->physicalToVirtualCoords(coords)};
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VirtualCoordinates surfaceCoords{xMod * x, yMod * y};
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//Log.notice("width=%d height=%d vx=%d vy=%d sx=%d sy=%d x=%d y=%d px=%d py=%d", width, height, startX, startY, x, y, coords.x, coords.y); // 256 = 1.0
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// 128 = 0.0
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// 0 = 1.0
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shader(m_display->pixelAt(coords), virtCoords, coords, surfaceCoords);
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}
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}
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}
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