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