45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
#pragma once
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#include "blocks/TextBlock.h"
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enum PageElementTag : uint8_t {
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TAG_PageLine = 1,
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};
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// represents something that has been added to a page
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class PageElement {
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public:
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int xPos;
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int yPos;
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explicit PageElement(const int xPos, const int yPos) : xPos(xPos), yPos(yPos) {}
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virtual ~PageElement() = default;
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virtual void render(GfxRenderer& renderer, int fontId) = 0;
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virtual void serialize(std::ostream& os) = 0;
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};
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// a line from a block element
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class PageLine final : public PageElement {
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const TextBlock* block;
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public:
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PageLine(const TextBlock* block, const int xPos, const int yPos) : PageElement(xPos, yPos), block(block) {}
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~PageLine() override { delete block; }
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void render(GfxRenderer& renderer, int fontId) override;
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void serialize(std::ostream& os) override;
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static PageLine* deserialize(std::istream& is);
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};
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class Page {
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public:
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~Page() {
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for (const auto element : elements) {
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delete element;
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}
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}
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// the list of block index and line numbers on this page
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std::vector<PageElement*> elements;
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void render(GfxRenderer& renderer, int fontId) const;
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void serialize(std::ostream& os) const;
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static Page* deserialize(std::istream& is);
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};
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