54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
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/// \file image.cpp
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/// \copyright 2022 Sascha Nitsch
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/// Licenced under MIT
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/// \brief definition of the main class of the application
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// system includes
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#include <stdlib.h>
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#include <string.h>
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// own includes
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#include "image.h"
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Image::Image(uint16_t width, uint16_t height, uint8_t channels, uint8_t bits, void* pixels) {
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m_width = width;
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m_height = height;
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m_channels = channels;
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m_pixels = pixels;
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m_ownPixel = false;
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m_bitsPerChannel = bits;
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}
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Image::~Image() {
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if (m_ownPixel && m_pixels) {
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free(m_pixels);
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}
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}
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bool Image::allocateMemory() {
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if (m_ownPixel && m_pixels) {
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free(m_pixels);
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}
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m_pixels = reinterpret_cast<uint8_t*>(malloc(m_width * m_height * m_channels * m_bitsPerChannel / 8));
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bzero(m_pixels, m_width * m_height * m_channels * m_bitsPerChannel / 8);
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if (m_pixels) {
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m_ownPixel = true;
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return true;
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}
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return false;
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}
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uint8_t* Image::getPixels8() const {
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return reinterpret_cast<uint8_t*>(m_pixels);
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}
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uint16_t* Image::getPixels16() const {
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return reinterpret_cast<uint16_t*>(m_pixels);
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}
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uint16_t Image::getHeight() const {
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return m_height;
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}
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uint16_t Image::getWidth() const {
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return m_width;
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}
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