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https://github.com/daveallie/crosspoint-reader.git
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51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
#pragma once
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#include <list>
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#include <string>
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#include <vector>
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#include "Block.h"
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enum SPAN_STYLE : uint8_t {
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BOLD_SPAN = 1,
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ITALIC_SPAN = 2,
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};
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enum BLOCK_STYLE : uint8_t {
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JUSTIFIED = 0,
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LEFT_ALIGN = 1,
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CENTER_ALIGN = 2,
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RIGHT_ALIGN = 3,
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};
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// represents a block of words in the html document
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class TextBlock final : public Block {
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// pointer to each word
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std::vector<std::string> words;
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// x position of each word
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std::vector<uint16_t> wordXpos;
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// the styles of each word
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std::vector<uint8_t> wordStyles;
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// the style of the block - left, center, right aligned
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BLOCK_STYLE style;
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public:
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void addSpan(const std::string& span, bool is_bold, bool is_italic);
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explicit TextBlock(const BLOCK_STYLE style) : style(style) {}
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explicit TextBlock(const std::vector<std::string>& words, const std::vector<uint16_t>& word_xpos,
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// the styles of each word
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const std::vector<uint8_t>& word_styles, const BLOCK_STYLE style)
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: words(words), wordXpos(word_xpos), wordStyles(word_styles), style(style) {}
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~TextBlock() override = default;
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void set_style(const BLOCK_STYLE style) { this->style = style; }
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BLOCK_STYLE get_style() const { return style; }
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bool isEmpty() override { return words.empty(); }
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void layout(EpdRenderer& renderer) override {};
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// given a renderer works out where to break the words into lines
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std::list<TextBlock*> splitIntoLines(const EpdRenderer& renderer);
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void render(const EpdRenderer& renderer, int x, int y) const;
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BlockType getType() override { return TEXT_BLOCK; }
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void serialize(std::ostream& os) const;
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static TextBlock* deserialize(std::istream& is);
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};
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