mirror of
https://github.com/SFML/CSFML.git
synced 2026-10-25 13:05:16 +01:00
416 lines
16 KiB
C
416 lines
16 KiB
C
////////////////////////////////////////////////////////////
|
|
//
|
|
// SFML - Simple and Fast Multimedia Library
|
|
// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
|
|
//
|
|
// This software is provided 'as-is', without any express or implied warranty.
|
|
// In no event will the authors be held liable for any damages arising from the use of this software.
|
|
//
|
|
// Permission is granted to anyone to use this software for any purpose,
|
|
// including commercial applications, and to alter it and redistribute it freely,
|
|
// subject to the following restrictions:
|
|
//
|
|
// 1. The origin of this software must not be misrepresented;
|
|
// you must not claim that you wrote the original software.
|
|
// If you use this software in a product, an acknowledgment
|
|
// in the product documentation would be appreciated but is not required.
|
|
//
|
|
// 2. Altered source versions must be plainly marked as such,
|
|
// and must not be misrepresented as being the original software.
|
|
//
|
|
// 3. This notice may not be removed or altered from any source distribution.
|
|
//
|
|
////////////////////////////////////////////////////////////
|
|
|
|
#ifndef SFML_SHAPE_H
|
|
#define SFML_SHAPE_H
|
|
|
|
////////////////////////////////////////////////////////////
|
|
// Headers
|
|
////////////////////////////////////////////////////////////
|
|
#include <SFML/Graphics/Export.h>
|
|
#include <SFML/Graphics/Color.h>
|
|
#include <SFML/Graphics/Rect.h>
|
|
#include <SFML/Graphics/Types.h>
|
|
|
|
|
|
typedef unsigned int (*sfShapeGetPointCountCallback)(void*); ///< Type of the callback used to get the number of points in a shape
|
|
typedef void (*sfShapeGetPointCallback)(unsigned int, float*, float*, void*); ///< Type of the callback used to get a point of a shape
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Create a new shape
|
|
///
|
|
/// \param getPointCount Callback that provides the point count of the shape
|
|
/// \param getPoint Callback that provides the points of the shape
|
|
/// \param userData Data to pass to the callback functions
|
|
///
|
|
/// \return A new sfShape object
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API sfShape* sfShape_Create(sfShapeGetPointCountCallback getPointCount,
|
|
sfShapeGetPointCallback getPoint,
|
|
void* userData);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Destroy an existing shape
|
|
///
|
|
/// \param Shape Shape to delete
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_Destroy(sfShape* shape);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Set the position of a shape
|
|
///
|
|
/// This function completely overwrites the previous position.
|
|
/// See sfShape_Move to apply an offset based on the previous position instead.
|
|
/// The default position of a shape object is (0, 0).
|
|
///
|
|
/// \param shape Shape object
|
|
/// \param x X coordinate of the new position
|
|
/// \param y Y coordinate of the new position
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_SetPosition(sfShape* shape, float x, float y);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Set the orientation of a shape
|
|
///
|
|
/// This function completely overwrites the previous rotation.
|
|
/// See sfShape_Rotate to add an angle based on the previous rotation instead.
|
|
/// The default rotation of a shape object is 0.
|
|
///
|
|
/// \param shape Shape object
|
|
/// \param angle New rotation, in degrees
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_SetRotation(sfShape* shape, float angle);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Set the scale factors of a shape
|
|
///
|
|
/// This function completely overwrites the previous scale.
|
|
/// See sfShape_Scale to add a factor based on the previous scale instead.
|
|
/// The default scale of a shape object is (1, 1).
|
|
///
|
|
/// \param shape Shape object
|
|
/// \param factorX New horizontal scale factor
|
|
/// \param factorY New vertical scale factor
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_SetScale(sfShape* shape, float factorX, float factorY);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Set the local origin of a shape
|
|
///
|
|
/// The origin of an object defines the center point for
|
|
/// all transformations (position, scale, rotation).
|
|
/// The coordinates of this point must be relative to the
|
|
/// top-left corner of the object, and ignore all
|
|
/// transformations (position, scale, rotation).
|
|
/// The default origin of a shape object is (0, 0).
|
|
///
|
|
/// \param shape Shape object
|
|
/// \param x X coordinate of the new origin
|
|
/// \param y Y coordinate of the new origin
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_SetOrigin(sfShape* shape, float x, float y);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get the position of a shape
|
|
///
|
|
/// \param shape Shape object
|
|
///
|
|
/// \return Current position
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_GetPosition(const sfShape* shape, float* x, float* y);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get the orientation of a shape
|
|
///
|
|
/// The rotation is always in the range [0, 360].
|
|
///
|
|
/// \param shape Shape object
|
|
///
|
|
/// \return Current rotation, in degrees
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API float sfShape_GetRotation(const sfShape* shape);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get the current scale of a shape
|
|
///
|
|
/// \param shape Shape object
|
|
///
|
|
/// \return Current scale factors
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_GetScale(const sfShape* shape, float* x, float* y);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get the local origin of a shape
|
|
///
|
|
/// \param shape Shape object
|
|
///
|
|
/// \return Current origin
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_GetOrigin(const sfShape* shape, float* x, float* y);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Move a shape by a given offset
|
|
///
|
|
/// This function adds to the current position of the object,
|
|
/// unlike sfShape_SetPosition which overwrites it.
|
|
///
|
|
/// \param shape Shape object
|
|
/// \param offsetX X offset
|
|
/// \param offsetY Y offset
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_Move(sfShape* shape, float offsetX, float offsetY);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Rotate a shape
|
|
///
|
|
/// This function adds to the current rotation of the object,
|
|
/// unlike sfShape_SetRotation which overwrites it.
|
|
///
|
|
/// \param shape Shape object
|
|
/// \param angle Angle of rotation, in degrees
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_Rotate(sfShape* shape, float angle);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Scale a shape
|
|
///
|
|
/// This function multiplies the current scale of the object,
|
|
/// unlike sfShape_SetScale which overwrites it.
|
|
///
|
|
/// \param shape Shape object
|
|
/// \param factorX Horizontal scale factor
|
|
/// \param factorY Vertical scale factor
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_Scale(sfShape* shape, float factorX, float factorY);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get the combined transform of a shape
|
|
///
|
|
/// \param shape shape object
|
|
///
|
|
/// \return Transform combining the position/rotation/scale/origin of the object
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API const sfTransform* sfShape_GetTransform(const sfShape* shape);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get the inverse of the combined transform of a shape
|
|
///
|
|
/// \param shape shape object
|
|
///
|
|
/// \return Inverse of the combined transformations applied to the object
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API const sfTransform* sfShape_GetInverseTransform(const sfShape* shape);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Change the source texture of a shape
|
|
///
|
|
/// The \a texture argument refers to a texture that must
|
|
/// exist as long as the shape uses it. Indeed, the shape
|
|
/// doesn't store its own copy of the texture, but rather keeps
|
|
/// a pointer to the one that you passed to this function.
|
|
/// If the source texture is destroyed and the shape tries to
|
|
/// use it, the behaviour is undefined.
|
|
/// \a texture can be NULL to disable texturing.
|
|
/// If \a resetRect is true, the TextureRect property of
|
|
/// the shape is automatically adjusted to the size of the new
|
|
/// texture. If it is false, the texture rect is left unchanged.
|
|
///
|
|
/// \param shape Shape object
|
|
/// \param texture New texture
|
|
/// \param resetRect Should the texture rect be reset to the size of the new texture?
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_SetTexture(sfShape* shape, const sfTexture* texture, sfBool resetRect);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Set the sub-rectangle of the texture that a shape will display
|
|
///
|
|
/// The texture rect is useful when you don't want to display
|
|
/// the whole texture, but rather a part of it.
|
|
/// By default, the texture rect covers the entire texture.
|
|
///
|
|
/// \param shape Shape object
|
|
/// \param rect Rectangle defining the region of the texture to display
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_SetTextureRect(sfShape* shape, sfIntRect rect);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Set the fill color of a shape
|
|
///
|
|
/// This color is modulated (multiplied) with the shape's
|
|
/// texture if any. It can be used to colorize the shape,
|
|
/// or change its global opacity.
|
|
/// You can use sf::Color::Transparent to make the inside of
|
|
/// the shape transparent, and have the outline alone.
|
|
/// By default, the shape's fill color is opaque white.
|
|
///
|
|
/// \param shape Shape object
|
|
/// \param color New color of the shape
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_SetFillColor(sfShape* shape, sfColor color);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Set the outline color of a shape
|
|
///
|
|
/// You can use sf::Color::Transparent to disable the outline.
|
|
/// By default, the shape's outline color is opaque white.
|
|
///
|
|
/// \param shape Shape object
|
|
/// \param color New outline color of the shape
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_SetOutlineColor(sfShape* shape, sfColor color);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Set the thickness of a shape's outline
|
|
///
|
|
/// This number cannot be negative. Using zero disables
|
|
/// the outline.
|
|
/// By default, the outline thickness is 0.
|
|
///
|
|
/// \param shape Shape object
|
|
/// \param thickness New outline thickness
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_SetOutlineThickness(sfShape* shape, float thickness);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get the source texture of a shape
|
|
///
|
|
/// If the shape has no source texture, a NULL pointer is returned.
|
|
/// The returned pointer is const, which means that you can't
|
|
/// modify the texture when you retrieve it with this function.
|
|
///
|
|
/// \param shape Shape object
|
|
///
|
|
/// \return Pointer to the shape's texture
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API const sfTexture* sfShape_GetTexture(const sfShape* shape);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get the sub-rectangle of the texture displayed by a shape
|
|
///
|
|
/// \param shape Shape object
|
|
///
|
|
/// \return Texture rectangle of the shape
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API sfIntRect sfShape_GetTextureRect(const sfShape* shape);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get the fill color of a shape
|
|
///
|
|
/// \param shape Shape object
|
|
///
|
|
/// \return Fill color of the shape
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API sfColor sfShape_GetFillColor(const sfShape* shape);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get the outline color of a shape
|
|
///
|
|
/// \param shape Shape object
|
|
///
|
|
/// \return Outline color of the shape
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API sfColor sfShape_GetOutlineColor(const sfShape* shape);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get the outline thickness of a shape
|
|
///
|
|
/// \param shape Shape object
|
|
///
|
|
/// \return Outline thickness of the shape
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API float sfShape_GetOutlineThickness(const sfShape* shape);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get the total number of points of a shape
|
|
///
|
|
/// \param shape Shape object
|
|
///
|
|
/// \return Number of points of the shape
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API unsigned int sfShape_GetPointCount(const sfShape* shape);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get a point of a shape
|
|
///
|
|
/// The result is undefined if \a index is out of the valid range.
|
|
///
|
|
/// \param shape Shape object
|
|
/// \param index Index of the point to get, in range [0 .. GetPointCount() - 1]
|
|
///
|
|
/// \return Index-th point of the shape
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_GetPoint(const sfShape* shape, unsigned int index, float* x, float* y);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get the local bounding rectangle of a shape
|
|
///
|
|
/// The returned rectangle is in local coordinates, which means
|
|
/// that it ignores the transformations (translation, rotation,
|
|
/// scale, ...) that are applied to the entity.
|
|
/// In other words, this function returns the bounds of the
|
|
/// entity in the entity's coordinate system.
|
|
///
|
|
/// \param shape Shape object
|
|
///
|
|
/// \return Local bounding rectangle of the entity
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API sfFloatRect sfShape_GetLocalBounds(const sfShape* shape);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Get the global bounding rectangle of a shape
|
|
///
|
|
/// The returned rectangle is in global coordinates, which means
|
|
/// that it takes in account the transformations (translation,
|
|
/// rotation, scale, ...) that are applied to the entity.
|
|
/// In other words, this function returns the bounds of the
|
|
/// sprite in the global 2D world's coordinate system.
|
|
///
|
|
/// \param shape Shape object
|
|
///
|
|
/// \return Global bounding rectangle of the entity
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API sfFloatRect sfShape_GetGlobalBounds(const sfShape* shape);
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Recompute the internal geometry of a shape
|
|
///
|
|
/// This function must be called by specialized shape objects
|
|
/// everytime their points change (ie. the result of either
|
|
/// the GetPointCount or GetPoint callbacks is different).
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
CSFML_GRAPHICS_API void sfShape_Update(sfShape* shape);
|
|
|
|
|
|
#endif // SFML_SHAPE_H
|