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MapLibreParticleLab/include/mbgl/util/raster.hpp

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1.4 KiB
C++

#ifndef MBGL_UTIL_RASTER
#define MBGL_UTIL_RASTER
#include <mbgl/util/transition.hpp>
#include <mbgl/util/texturepool.hpp>
#include <mbgl/util/image.hpp>
#include <mbgl/util/ptr.hpp>
#include <mbgl/renderer/prerendered_texture.hpp>
#include <string>
#include <mutex>
typedef struct uv_loop_s uv_loop_t;
namespace mbgl {
class Raster : public std::enable_shared_from_this<Raster> {
public:
Raster(const util::ptr<Texturepool> &texturepool);
~Raster();
// load image data
bool load(const std::string &img);
// bind current texture
void bind(bool linear = false);
// bind prerendered texture
void bind(const GLuint texture);
// loaded status
bool isLoaded() const;
// transitions
void beginFadeInTransition();
bool needsTransition() const;
void updateTransitions(timestamp now);
public:
// loaded image dimensions
uint32_t width = 0, height = 0;
// has been uploaded to texture
bool textured = false;
// the uploaded texture
uint32_t texture = 0;
// texture opacity
double opacity = 0;
private:
mutable std::mutex mtx;
// raw pixels have been loaded
bool loaded = false;
// shared texture pool
util::ptr<Texturepool> texturepool;
// min/mag filter
uint32_t filter = 0;
// the raw pixels
std::unique_ptr<util::Image> img;
// fade in transition
util::ptr<util::transition> fade_transition = nullptr;
};
}
#endif