30 lines
1006 B
C++
30 lines
1006 B
C++
#include <FL/fl_draw.H>
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#include <vkvm.hpp>
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#include "Image.hpp"
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/** Image
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* The Image-class draws the bitmap that it get from the Shared Memory.
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* @param *buf: A pointer to the bitmap, that the image-class has to draw. Three chars are needed to get the RGB-value of a pixel, so the size equals window_height * window_width * 3.
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*/
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//Function to draw a bitmap
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auto Image::draw() -> void {
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fl_draw_image(buf, x(), y(), w(), h());
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}
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Image::Image(int x, int y, int w, int h) :
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Fl_Widget(x, y, w, h, nullptr) {
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buf = new uchar[w * h * 3];
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}
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/*A function to change the colors of the image-class. It reads the colors from the Shared Memory-Class*/
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auto Image::getPixels() -> void {
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for (int i = 0; i < h(); i++) {
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for (int j = 0; j < w(); j++) {
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vkvm::Color c = vkvm::getPixel(j, i);
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buf[(i * w() + j) * 3 + 0] = c.getRed();
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buf[(i * w() + j) * 3 + 1] = c.getGreen();
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buf[(i * w() + j) * 3 + 2] = c.getBlue();
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}
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}
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} |