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84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
#pragma once
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#include "drape/texture.hpp"
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#include "drape/color.hpp"
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#include "drape/dynamic_texture.hpp"
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#include "base/buffer_vector.hpp"
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#include <map>
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#include <mutex>
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namespace dp
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{
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class ColorKey : public Texture::Key
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{
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public:
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explicit ColorKey(Color color) : Texture::Key(), m_color(color) {}
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virtual Texture::ResourceType GetType() const { return Texture::ResourceType::Color; }
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Color m_color;
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};
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class ColorResourceInfo : public Texture::ResourceInfo
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{
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public:
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explicit ColorResourceInfo(m2::RectF const & texRect) : Texture::ResourceInfo(texRect) { }
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virtual Texture::ResourceType GetType() const { return Texture::ResourceType::Color; }
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};
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class ColorPalette
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{
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public:
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explicit ColorPalette(m2::PointU const & canvasSize);
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ref_ptr<Texture::ResourceInfo> ReserveResource(bool predefined, ColorKey const & key, bool & newResource);
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ref_ptr<Texture::ResourceInfo> MapResource(ColorKey const & key, bool & newResource);
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void UploadResources(ref_ptr<dp::GraphicsContext> context, ref_ptr<Texture> texture);
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void SetIsDebug(bool isDebug) { m_isDebug = isDebug; }
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private:
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using TPalette = std::map<Color, ColorResourceInfo>;
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struct PendingColor
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{
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m2::RectU m_rect;
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Color m_color;
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};
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TPalette m_palette;
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TPalette m_predefinedPalette;
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// We have > 400 colors, no need to use buffer_vector here.
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std::vector<PendingColor> m_nodes;
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std::vector<PendingColor> m_pendingNodes;
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m2::PointU m_textureSize;
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m2::PointU m_cursor;
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bool m_isDebug = false;
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std::mutex m_lock;
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std::mutex m_mappingLock;
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};
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class ColorTexture : public DynamicTexture<ColorPalette, ColorKey, Texture::ResourceType::Color>
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{
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using TBase = DynamicTexture<ColorPalette, ColorKey, Texture::ResourceType::Color>;
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public:
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ColorTexture(m2::PointU const & size, ref_ptr<HWTextureAllocator> allocator)
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: m_palette(size)
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{
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TBase::DynamicTextureParams params{size, TextureFormat::RGBA8, TextureFilter::Nearest,
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false /* m_usePixelBuffer */};
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TBase::Init(allocator, make_ref(&m_palette), params);
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}
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void ReserveColor(dp::Color const & color);
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~ColorTexture() override { TBase::Reset(); }
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static int GetColorSizeInPixels();
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private:
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ColorPalette m_palette;
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};
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} // namespace dp
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