Crate thorvg_sys 

Raw FFI bindings to the ThorVG vector graphics library.

This crate provides unsafe, low-level bindings generated by bindgen from the ThorVG C API (thorvg_capi.h). For a safe, idiomatic Rust API, use the [thorvg] crate instead.

This crate is no_std compatible.

Structs

Tvg_Color_Stop

@brief A data structure storing the information about the color and its relative position inside the gradient bounds.

Tvg_Glyph_Metrics

@brief Describes the layout metrics of a glyph.

Tvg_Matrix

@brief A data structure representing a three-dimensional matrix.

Tvg_Point

@brief A data structure representing a point in two-dimensional space.

Tvg_Text_Metrics

@brief Describes the font metrics of a text object.

_Tvg_Accessor

_Tvg_Animation

_Tvg_Canvas

_Tvg_Gradient

_Tvg_Paint

_Tvg_Saver

Enums

Tvg_Blend_Method

@brief Enumeration indicates the method used for blending paint. Please refer to the respective formulas for each method.

Tvg_Colorspace

@brief Enumeration specifying the methods of combining the 8-bit color channels into 32-bit color.

Tvg_Engine_Option

@brief Enumeration to specify rendering engine behavior.

Tvg_Fill_Rule

@brief Enumeration specifying the algorithm used to establish which parts of the shape are treated as the inside of the shape.

Tvg_Filter_Method

@brief Defines the image filtering method used during image scaling or transformation.

Tvg_Mask_Method

@brief Enumeration indicating the method used in the masking of two objects - the target and the source.

Tvg_Result

@brief Enumeration specifying the result from the APIs.

Tvg_Stroke_Cap

@brief Enumeration determining the ending type of a stroke in the open sub-paths.

Tvg_Stroke_Fill

@brief Enumeration specifying how to fill the area outside the gradient bounds.

Tvg_Stroke_Join

@brief Enumeration specifying how to fill the area outside the gradient bounds.

Tvg_Text_Wrap

@brief A data structure storing the information about the color and its relative position inside the gradient bounds.

Tvg_Type

@brief Enumeration indicating the ThorVG object type value.

Constants

TVG_PATH_COMMAND_CLOSE

< Ends the current sub-path and connects it with its initial point - corresponds to Z command in the svg path commands.

TVG_PATH_COMMAND_CUBIC_TO

< Draws a cubic Bezier curve from the current point to the given point using two given control points and sets a new value of the current point - corresponds to C command in the svg path commands.

TVG_PATH_COMMAND_LINE_TO

< Draws a line from the current point to the given point and sets a new value of the current point - corresponds to L command in the svg path commands.

TVG_PATH_COMMAND_MOVE_TO

< Sets a new initial point of the sub-path and a new current point - corresponds to M command in the svg path commands.

TVG_VERSION_MAJOR

TVG_VERSION_MICRO

TVG_VERSION_MINOR

Functions

tvg_accessor_del^⚠

@brief Deletes the given accessor object.

tvg_accessor_generate_id^⚠

@brief Generate a unique ID (hash key) from a given name.

tvg_accessor_get_name^⚠

@brief Retrieve the original name string from a given unique ID.

tvg_accessor_new^⚠

/ /** @brief Creates a new accessor object.

tvg_accessor_set^⚠

@brief Sets the paint of the accessor then iterates through its descendents.

tvg_animation_del^⚠

@brief Deletes the given Tvg_Animation object.

tvg_animation_get_duration^⚠

@brief Retrieves the duration of the animation in seconds.

tvg_animation_get_frame^⚠

@brief Retrieves the current frame number of the animation.

tvg_animation_get_picture^⚠

@brief Retrieves a picture instance associated with this animation instance.

tvg_animation_get_segment^⚠

@brief Gets the current segment range information.

tvg_animation_get_total_frame^⚠

@brief Retrieves the total number of frames in the animation.

tvg_animation_new^⚠

@brief Creates a new Animation object.

tvg_animation_set_frame^⚠

@brief Specifies the current frame in the animation.

tvg_animation_set_segment^⚠

@brief Specifies the playback segment of the animation.

tvg_canvas_add^⚠

@brief Adds a paint object to the canvas for rendering.

tvg_canvas_destroy^⚠

/ /** @brief Clears the canvas internal data, releases all paints stored by the canvas and destroys the canvas object itself.

tvg_canvas_draw^⚠

@brief Requests the canvas to render the Paint objects.

tvg_canvas_insert^⚠

@brief Inserts a paint object into the canvas root scene.

tvg_canvas_remove^⚠

@brief Removes a paint object from the root scene.

tvg_canvas_set_viewport^⚠

@brief Sets the drawing region of the canvas.

tvg_canvas_sync^⚠

@brief Guarantees that drawing task is finished.

tvg_canvas_update^⚠

@brief Requests the canvas to update modified paint objects in preparation for rendering.

tvg_engine_init^⚠

/ /** @brief Initializes the ThorVG engine.

tvg_engine_term^⚠

@brief Terminates the ThorVG engine.

tvg_engine_version^⚠

@brief Retrieves the version of the TVG engine.

tvg_font_load^⚠

@brief Loads a scalable font data from a file.

tvg_font_load_data^⚠

@brief Loads a scalable font data from a memory block of a given size.

tvg_font_unload^⚠

@brief Unloads the specified scalable font data that was previously loaded.

tvg_glcanvas_create^⚠

@brief Creates a new OpenGL/ES Canvas object with optional rendering engine settings.

tvg_glcanvas_set_target^⚠

@brief Sets the drawing target for rasterization.

tvg_gradient_del^⚠

@brief Deletes the given gradient object.

tvg_gradient_duplicate^⚠

@brief Duplicates the given Tvg_Gradient object.

tvg_gradient_get_color_stops^⚠

@brief Gets the parameters of the colors of the gradient, their position and number

tvg_gradient_get_spread^⚠

@brief Gets the FillSpread value of the gradient object.

tvg_gradient_get_transform^⚠

@brief Gets the matrix of the affine transformation of the gradient object.

tvg_gradient_get_type^⚠

@brief Gets the unique value of the gradient instance indicating the instance type.

tvg_gradient_set_color_stops^⚠

@brief Sets the parameters of the colors of the gradient and their position.

tvg_gradient_set_spread^⚠

@brief Sets the Tvg_Stroke_Fill value, which specifies how to fill the area outside the gradient bounds.

tvg_gradient_set_transform^⚠

@brief Sets the matrix of the affine transformation for the gradient object.

tvg_linear_gradient_get^⚠

@brief Gets the linear gradient bounds.

tvg_linear_gradient_new^⚠

/ /** @brief Creates a new linear gradient object.

tvg_linear_gradient_set^⚠

@brief Sets the linear gradient bounds.

tvg_lottie_animation_apply_slot^⚠

@brief Applies a previously generated slot to the animation.

tvg_lottie_animation_assign^⚠

@brief Updates the value of an expression variable for a specific layer.

tvg_lottie_animation_del_slot^⚠

@brief Deletes a previously generated slot.

tvg_lottie_animation_gen_slot^⚠

@brief Generates a new slot from the given slot data.

tvg_lottie_animation_get_marker^⚠

@brief Gets the marker name by a given index.

tvg_lottie_animation_get_marker_info^⚠

@brief Retrieves marker information by index.

tvg_lottie_animation_get_markers_cnt^⚠

@brief Gets the marker count of the animation.

tvg_lottie_animation_new^⚠

@brief Creates a new LottieAnimation object.

tvg_lottie_animation_set_marker^⚠

@brief Specifies a segment by marker.

tvg_lottie_animation_set_quality^⚠

@brief Sets the quality level for Lottie effects.

tvg_lottie_animation_tween^⚠

@brief Interpolates between two frames over a specified duration.

tvg_paint_duplicate^⚠

@brief Duplicates the given Tvg_Paint object.

tvg_paint_get_aabb^⚠

@brief Retrieves the axis-aligned bounding box (AABB) of the paint object in canvas space.

tvg_paint_get_clip^⚠

@brief Get the clipper shape of the paint object.

tvg_paint_get_id^⚠

@brief Gets the ID of the Paint object.

tvg_paint_get_mask_method^⚠

@brief Gets the masking target object and the masking method.

tvg_paint_get_obb^⚠

@brief Retrieves the object-oriented bounding box (OBB) of the paint object in canvas space.

tvg_paint_get_opacity^⚠

@brief Gets the opacity of the given Tvg_Paint.

tvg_paint_get_parent^⚠

@brief Retrieves the parent paint object.

tvg_paint_get_ref^⚠

@brief Retrieve the current reference count of the Tvg_Paint object.

tvg_paint_get_transform^⚠

@brief Gets the matrix of the affine transformation of the given Tvg_Paint object.

tvg_paint_get_type^⚠

@brief Gets the unique value of the paint instance indicating the instance type.

tvg_paint_get_visible^⚠

@brief Gets the current visibility status of the Paint object.

tvg_paint_intersects^⚠

@brief Checks whether a given region intersects the filled area of the paint.

tvg_paint_ref^⚠

@brief Increment the reference count for the Tvg_Paint object.

tvg_paint_rel^⚠

@brief Safely releases a Tv_Paint object.

tvg_paint_rotate^⚠

@brief Rotates the given Tvg_Paint by the given angle.

tvg_paint_scale^⚠

@brief Scales the given Tvg_Paint object by the given factor.

tvg_paint_set_blend_method^⚠

@brief Sets the blending method for the paint object.

tvg_paint_set_clip^⚠

@brief Clip the drawing region of the paint object.

tvg_paint_set_id^⚠

@brief Sets the ID of the Paint object.

tvg_paint_set_mask_method^⚠

@brief Sets the masking target object and the masking method.

tvg_paint_set_opacity^⚠

@brief Sets the opacity of the given Tvg_Paint.

tvg_paint_set_transform^⚠

@brief Transforms the given Tvg_Paint using the augmented transformation matrix.

tvg_paint_set_visible^⚠

@brief Sets the visibility of the Paint object.

tvg_paint_translate^⚠

@brief Moves the given Tvg_Paint in a two-dimensional space.

tvg_paint_unref^⚠

@brief Decrement the reference count for the Tvg_Paint object.

tvg_picture_get_origin^⚠

@brief Gets the normalized origin point of the Picture object.

tvg_picture_get_paint^⚠

@brief Retrieve a paint object from the Picture scene by its Unique ID.

tvg_picture_get_size^⚠

@brief Gets the size of the loaded picture.

tvg_picture_load^⚠

@brief Loads a picture data directly from a file.

tvg_picture_load_data^⚠

@brief Loads a picture data from a memory block of a given size.

tvg_picture_load_raw^⚠

@brief Loads raw image data in a specific format from a memory block of the given size.

tvg_picture_new^⚠

@brief Creates a new Picture object.

tvg_picture_set_accessible^⚠

@brief Enable or disable accessible mode for a Picture.

tvg_picture_set_asset_resolver^⚠

@brief Sets the asset resolver callback for handling external resources (e.g., images and fonts).

tvg_picture_set_filter^⚠

@brief Sets the image filtering method for rendering this picture.

tvg_picture_set_origin^⚠

@brief Sets the normalized origin point of the Picture object.

tvg_picture_set_size^⚠

@brief Resizes the picture content to the given width and height.

tvg_radial_gradient_get^⚠

@brief The function gets radial gradient attributes.

tvg_radial_gradient_new^⚠

@brief Creates a new radial gradient object.

tvg_radial_gradient_set^⚠

@brief Sets the radial gradient attributes.

tvg_saver_del^⚠

@brief Deletes the given Tvg_Saver object.

tvg_saver_new^⚠

/ /** @brief Creates a new Tvg_Saver object.

tvg_saver_save_animation^⚠

@brief Exports the given @p animation data to the given @p path

tvg_saver_save_paint^⚠

@brief Exports the given @p paint data to the given @p path

tvg_saver_sync^⚠

@brief Guarantees that the saving task is finished.

tvg_scene_add^⚠

@brief Adds a paint object to the scene.

tvg_scene_add_effect_drop_shadow^⚠

@brief Adds a drop shadow effect to the scene.

tvg_scene_add_effect_fill^⚠

@brief Adds a fill color effect to the scene.

tvg_scene_add_effect_gaussian_blur^⚠

@brief Adds a Gaussian blur effect to the scene.

tvg_scene_add_effect_tint^⚠

@brief Adds a tint effect to the scene.

tvg_scene_add_effect_tritone^⚠

@brief Adds a tritone color effect to the scene.

tvg_scene_clear_effects^⚠

@brief Clears all previously applied scene effects.

tvg_scene_insert^⚠

@brief Inserts a paint object into the scene.

tvg_scene_new^⚠

@brief Creates a new Scene object.

tvg_scene_remove^⚠

@brief Removes a paint object from the scene.

tvg_shape_append_circle^⚠

@brief Appends an ellipse to the path.

tvg_shape_append_path^⚠

@brief Appends a given sub-path to the path.

tvg_shape_append_rect^⚠

@brief Appends a rectangle to the path.

tvg_shape_close^⚠

@brief Closes the current sub-path by drawing a line from the current point to the initial point of the sub-path.

tvg_shape_cubic_to^⚠

@brief Adds new points to the sub-path, which results in drawing a cubic Bezier curve.

tvg_shape_get_fill_color^⚠

@brief Gets the shape’s solid color.

tvg_shape_get_fill_rule^⚠

@brief Retrieves the current fill rule used by the shape.

tvg_shape_get_gradient^⚠

@brief Gets the gradient fill of the shape.

tvg_shape_get_path^⚠

@brief Retrieves the current path data of the shape.

tvg_shape_get_stroke_cap^⚠

@brief Gets the stroke cap style used for stroking the path.

tvg_shape_get_stroke_color^⚠

@brief Gets the shape’s stroke color.

tvg_shape_get_stroke_dash^⚠

@brief Gets the dash pattern of the stroke.

tvg_shape_get_stroke_gradient^⚠

@brief Gets the gradient fill of the shape’s stroke.

tvg_shape_get_stroke_join^⚠

@brief The function gets the stroke join method

tvg_shape_get_stroke_miterlimit^⚠

@brief The function gets the stroke miterlimit.

tvg_shape_get_stroke_width^⚠

@brief Gets the shape’s stroke width.

tvg_shape_line_to^⚠

@brief Adds a new point to the sub-path, which results in drawing a line from the current point to the given end-point.

tvg_shape_move_to^⚠

@brief Sets the initial point of the sub-path.

tvg_shape_new^⚠

@brief Creates a new Shape object.

tvg_shape_reset^⚠

@brief Resets the shape path properties.

tvg_shape_set_fill_color^⚠

@brief Sets the shape’s solid color.

tvg_shape_set_fill_rule^⚠

@brief Sets the fill rule for the shape.

tvg_shape_set_gradient^⚠

@brief Sets the gradient fill for all of the figures from the path.

tvg_shape_set_paint_order^⚠

@brief Sets the rendering order of the stroke and the fill.

tvg_shape_set_stroke_cap^⚠

@brief Sets the cap style used for stroking the path.

tvg_shape_set_stroke_color^⚠

@brief Sets the shape’s stroke color.

tvg_shape_set_stroke_dash^⚠

@brief Sets the shape’s stroke dash pattern.

tvg_shape_set_stroke_gradient^⚠

@brief Sets the gradient fill of the stroke for all of the figures from the path.

tvg_shape_set_stroke_join^⚠

@brief Sets the join style for stroked path segments.

tvg_shape_set_stroke_miterlimit^⚠

@brief Sets the stroke miterlimit.

tvg_shape_set_stroke_width^⚠

@brief Sets the stroke width for the path.

tvg_shape_set_trimpath^⚠

@brief Sets the trim of the shape along the defined path segment, allowing control over which part of the shape is visible.

tvg_swcanvas_create^⚠

@brief Creates a new Software Canvas object with optional rendering engine settings.

tvg_swcanvas_set_target^⚠

@brief Sets the buffer used in the rasterization process and defines the used colorspace.

tvg_text_align^⚠

@brief Sets text alignment or anchor per axis.

tvg_text_get_glyph_metrics^⚠

@brief Retrieves the layout metrics of a glyph in the text object.

tvg_text_get_text^⚠

@brief Returns the currently assigned unicode text.

tvg_text_get_text_metrics^⚠

@brief Retrieves the layout metrics of the text object.

tvg_text_layout^⚠

@brief Sets the virtual layout box (constraints) for the text.

tvg_text_line_count^⚠

@brief Returns the number of text lines.

tvg_text_new^⚠

@brief Creates a new Text object.

tvg_text_set_color^⚠

@brief Sets the text solid color.

tvg_text_set_font^⚠

@brief Sets the font family for the text.

tvg_text_set_gradient^⚠

@brief Sets the gradient fill for the text.

tvg_text_set_italic^⚠

@brief Apply an italic (slant) transformation to the text.

tvg_text_set_outline^⚠

@brief Sets an outline (stroke) around the text object.

tvg_text_set_size^⚠

@brief Sets the font size for the text.

tvg_text_set_text^⚠

@brief Assigns the given unicode text to be rendered.

tvg_text_spacing^⚠

@brief Set the spacing scale factors for text layout.

tvg_text_wrap_mode^⚠

@brief Sets the text wrapping mode for this text object.

tvg_wgcanvas_create^⚠

@brief Creates a new WebGPU Canvas object with optional rendering engine settings.

tvg_wgcanvas_set_target^⚠

@brief Sets the drawing target for the rasterization.

Type Aliases

Tvg_Accessor

@brief A structure representing an object that enables iterating through a scene’s descendents.

Tvg_Animation

@brief A structure representing an animation controller object.

Tvg_Canvas

@brief A structure responsible for managing and drawing graphical elements.

Tvg_Gradient

@brief A structure representing a gradient fill of a Tvg_Paint object.

Tvg_Paint

@brief A structure representing a graphical element.

Tvg_Path_Command

@brief Enumeration specifying the values of the path commands accepted by ThorVG.

Tvg_Picture_Asset_Resolver

@brief Callback function type for resolving external assets.

Tvg_Saver

@brief A structure representing an object that enables to save a Tvg_Paint object into a file.

_bindgen_ty_1