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48 lines
1.0 KiB
C++
48 lines
1.0 KiB
C++
/*
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* PixMap.cpp
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*
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* Created on: 18 maj 2019
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* Author: robert
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*/
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#include "PixMap.hpp"
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namespace gui {
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PixMap::PixMap() : id{0}, width{ 0 }, height{0}, data{nullptr}, name{""} {}
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PixMap::PixMap( uint16_t w, uint16_t h, uint8_t* data ) : id{0}, width{ w }, height{ h }, name{""} {
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this->data = new uint8_t[width*height];
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//no data provided - allocat buffer and clear it with white color
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if( data == nullptr ) {
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if( this->data ) memset( this->data, 0x0F, width*height );
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}
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else {
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if( this->data ) memcpy( this->data, data, width*height );
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}
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}
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PixMap::~PixMap() {
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if( data )
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delete []data;
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}
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gui::Status PixMap::load( uint8_t* data ) {
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uint32_t offset = 0;
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//read width and height of the image
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memcpy( &width, data + offset, sizeof(uint16_t)); offset += sizeof(uint16_t);
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memcpy( &height, data + offset, sizeof(uint16_t)); offset += sizeof(uint16_t);
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this->data = new uint8_t[width*height];
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if( this->data ) memcpy( this->data, data + offset, width*height );
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return gui::Status::GUI_SUCCESS;
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}
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} /* namespace gui */
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