WidgetSprite Class

WidgetSprite Class

Members

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WidgetSprite (Gui gui, string name = 0)

Constructor. Creates a sprite with a given texture.

Arguments

• Gui gui - GUI, to which the new sprite will belong.
• string name - Path to the texture. This is an optional parameter.

int getLayerWrapRepeat (int layer)

Returns a value indicating if texture tiling is enabled for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.

Return value

1 if texture tiling is enabled; 0 if disabled.

vec4 getColor ()

Returns the current color set for the first (bottom) layer of the sprite.

Return value

Modulation color.

WidgetSprite getWidgetSprite ()

Return value

vec4 getLayerTexCoord (int layer)

Returns the current coordinates of the texture set for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.

Return value

Texture coordinates. The first pair of coordinates (x and y) is for the upper left corner, the second pair (z and w) is for the lower right corner.

void setLayerBlendFunc (int layer, int src, int dest)

Sets blending coefficients for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.
• int src - Blending mode for the source color (one of the GUI_BLEND_* variables).
• int dest - Blending mode for the destination color (one of the GUI_BLEND_* variables).

mat4 getLayerTransform (int layer)

Returns the current transformation matrix set for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.

Return value

Transformation matrix.

int getBlendSrcFunc ()

Returns the blending mode of the source screen buffer colour set for the first (bottom) layer of the sprite.

Return value

Blending mode (one of the GUI_BLEND_* variables).

int getBufferMask ()

Returns the current channel mask for the whole sprite.

Return value

One of the GUI_BUFFER_* pre-defined variables.

void setTransform (mat4 transform)

Sets a transformation matrix for the first (bottom) layer of the sprite. This layer always exists in the sprite.

Arguments

• mat4 transform - Transformation matrix.

void setLayerTransform (int layer, mat4 transform)

Sets a transformation matrix for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.
• mat4 transform - Transformation matrix.

void setLayerTexCoord (int layer, vec4 texcoord)

Sets the coordinates of the texture for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.
• vec4 texcoord - Texture coordinates. The first pair of coordinates (x and y) is for the upper left corner, the second pair (z and w) is for the lower right corner.

void setLayerEnabled (int layer, int enabled)

Sets a value indicating if the layer is enabled for rendering.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.
• int enabled - 1 to enable the layer; 0 to disable it.

mat4 getTransform ()

Returns the current transformation matrix set for the first (bottom) layer of the sprite.

Return value

Transformation matrix.

void getLayerImage (int layer, Image image)

Returns the current image set for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.
• Image image - Current image.

void setColor (vec4 color)

Sets a color for the first (bottom) layer of the sprite. This layer always exists in the sprite.

Arguments

• vec4 color - Modulation color.

int getLayerWidth (int layer)

Returns the current width of the layer (regardless of layer transformation).

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.

Return value

Width of the layer in units.

Texture getRender ()

Returns the pointer to the texture that is currently set for the first (bottom) layer of the sprite.

Return value

Pointer to the texture.

vec4 getTexCoord ()

Returns the current coordinates of the texture set for the first (bottom) layer of the sprite.

Return value

Texture coordinates. The first pair of coordinates (x and y) is for the upper left corner, the second pair (z and w) is for the lower right corner.

void setLayerColor (int layer, vec4 color)

Sets a color for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.
• vec4 color - Modulation color.

Texture getLayerRender (int layer)

Returns the current texture set for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.

Return value

Pointer to the texture.

int isLayerEnabled (int layer)

Returns a value indicating if the layer is enabled for rendering.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.

Return value

1 if the layer is enabled; 0 if disabled.

int getWrapRepeat ()

Returns a value indicating if texture tiling is enabled for the first (bottom) layer of the sprite.

Return value

1 if texture tiling is enabled; 0 if disabled.

void setLayerTexture (int layer, string name)

Sets a texture for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.
• string name - Path to the texture.

int getLayerHeight (int layer)

Returns the current height of the layer (regardless of layer transformation).

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.

Return value

Height of the layer in units.

void getImage (Image image)

Returns the loaded into memory image that is currently set for the first (bottom) layer of the sprite.

Arguments

• Image image - Pointer to the image.

int type ()

WidgetSprite type.

Return value

WidgetSprite type identifier.

void setTexture (string texture)

Sets a texture from a file for the first (bottom) layer of the sprite. This layer always exists in the sprite.

Arguments

• string texture - Path to the texture.

int addLayer ()

Adds an empty layer with default properties to the sprite.

Return value

Number of the added layer.

void setBufferMask (int mask)

Sets a channel mask for the whole sprite. If a mask for a channel exists, one can draw in this channel. The default is GUI_BUFFER_ALL .

Arguments

• int mask - One of the GUI_BUFFER_* pre-defined variables.

vec4 getLayerColor (int layer)

Returns the current color set for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.

Return value

Modulation color.

void setLayerWrapRepeat (int layer, int repeat)

Sets texture tiling for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.
• int repeat - Positive number to enable texture tiling; 0 to disable it.

void setLayerRender (int layer, Texture texture, int flipped = 0)

Sets a texture for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.
• Texture texture - Pointer to the texture.
• int flipped - Flipped flag.

string getLayerTexture (int layer)

Returns the current texture set for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.

Return value

Path to the texture.

void setTexCoord (vec4 coord)

Sets the coordinates of the texture for the first (bottom) layer of the sprite. This layer always exists in the sprite.

Arguments

• vec4 coord - Texture coordinates. The first pair of coordinates (x and y) is for the upper left corner, the second pair (z and w) is for the lower right corner.

void removeLayer (int layer)

Removes a given layer from the sprite.

Arguments

• int layer - Layer number.

int getNumLayers ()

Returns the total number of layers in the sprite.

Return value

Number of layers.

void setLayerImage (int layer, Image image, int dynamic = 0)

Sets an image for a given layer of the sprite. An additional flag can be set in case the sprite image is going to be updated often or even each frame (for optimized memory management).

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.
• Image image - Image to set.
• int dynamic - Positive number if the image will be updated each frame; otherwise, 0.

void setRender (Texture texture, int flipped = 0)

Sets a texture to be rendered for the first (bottom) layer of the sprite.

Arguments

• Texture texture - Pointer to the texture.
• int flipped - Flipped flag.

int getLayerBlendDestFunc (int layer)

Returns the blending mode of the destination widget colour set for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.

Return value

Blending mode (one of the GUI_BLEND_* variables).

void setLayerBufferMask (int layer, int mask)

Sets a channel mask for a given layer of the sprite. If a mask for a channel exists, one can draw in this channel. The default is GUI_BUFFER_ALL .

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.
• int mask - One of the GUI_BUFFER_* pre-defined variables.

WidgetSprite create (Widget widget)

WidgetSprite constructor.

Arguments

• Widget widget - Widget smart pointer.

Return value

void setBlendFunc (int src, int dest)

Sets blending coefficients for the first (bottom) layer of the sprite. This layer always exists in the sprite.

Arguments

• int src - Blending mode for the source screen buffer color (one of the GUI_BLEND_* variables).
• int dest - Blending mode for the destination widget color (one of the GUI_BLEND_* variables).

int getLayerBlendSrcFunc (int layer)

Returns the blending mode of the source screen buffer colour set for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.

Return value

Blending mode (one of the GUI_BLEND_* variables).

int getBlendDestFunc ()

Returns the blending mode of the destination widget colour set for the first (bottom) layer of the sprite.

Return value

Blending mode (one of the GUI_BLEND_* variables).

void setWrapRepeat (int repeat)

Sets texture tiling for the first (bottom) layer of the sprite. This layer always exists in the sprite.

Arguments

• int repeat - Positive number to enable texture tiling; 0 to disable it.

void setImage (Image image, int dynamic = 0)

Sets a loaded into memory image for the first (bottom) layer of the sprite. This layer always exists in the sprite. An additional flag can be set in case the sprite image is going to be updated often or even each frame (for optimized memory management).

Arguments

• Image image - Pointer to the image.
• int dynamic - Positive number if the image will be updated each frame; otherwise, 0.

string getTexture ()

Returns the texture from a file that is currently set for the first (bottom) layer of the sprite.

Return value

Path to the texture.

int getLayerBufferMask (int layer)

Returns the current channel mask set for a given layer of the sprite.

Arguments

• int layer - Layer number in range from 0 to the total number of sprite layers.

Return value

One of the GUI_BUFFER_* pre-defined variables.