35 lines
936 B
C++
35 lines
936 B
C++
#pragma once
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#include <mbgl/gfx/renderable.hpp>
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#include <mbgl/gfx/backend.hpp>
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#include <mbgl/gfx/renderer_backend.hpp>
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#include <mbgl/util/image.hpp>
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#include <memory>
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namespace mbgl {
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namespace gfx {
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// Common headless backend interface, provides HeadlessBackend backend factory
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// and enables extending gfx::Renderable with platform specific implementation
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// of readStillImage.
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class HeadlessBackend : public gfx::Renderable {
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public:
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// Factory.
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static std::unique_ptr<HeadlessBackend>
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Create(const Size size = { 256, 256 },
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const gfx::ContextMode contextMode = gfx::ContextMode::Unique) {
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return Backend::Create<HeadlessBackend, Size, gfx::ContextMode>(size, contextMode);
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}
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virtual PremultipliedImage readStillImage() = 0;
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virtual RendererBackend* getRendererBackend() = 0;
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void setSize(Size);
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protected:
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HeadlessBackend(Size);
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};
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} // namespace gfx
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} // namespace mbgl
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