Cairo Renderer

Collaboration diagram for Cairo Renderer:

Data Structures
struct	_CairoRenderer
struct	cairo_layer
	The cairo_layer struct Each rendered layer is represented by this struct. More...

Macros
#define	GDS_RENDER_TYPE_CAIRO_RENDERER   (cairo_renderer_get_type())
#define	MAX_LAYERS   (5000)
	Maximum layer count the output renderer can process. Typically GDS only specifies up to 255 layers. More...

Functions
CairoRenderer *	cairo_renderer_new_svg ()
	Create new CairoRenderer for SVG output. More...
CairoRenderer *	cairo_renderer_new_pdf ()
	Create new CairoRenderer for PDF output. More...
static void	revert_inherited_transform (struct cairo_layer *layers)
	Revert the last transformation on all layers. More...
static void	apply_inherited_transform_to_all_layers (struct cairo_layer *layers, const struct gds_point *origin, double magnification, gboolean flipping, double rotation, double scale)
	Applies transformation to all layers. More...
static void	render_cell (struct gds_cell *cell, struct cairo_layer *layers, double scale)
	render_cell Render a cell with its sub-cells More...
static int	read_line_from_fd (int fd, char *buff, size_t buff_size)
	Read a line from a file descriptor. More...
static int	cairo_renderer_render_cell_to_vector_file (GdsOutputRenderer *renderer, struct gds_cell *cell, GList *layer_infos, const char *pdf_file, const char *svg_file, double scale)
	Render cell to a PDF file specified by pdf_file. More...
static void	cairo_renderer_init (CairoRenderer *self)
static int	cairo_renderer_render_output (GdsOutputRenderer *renderer, struct gds_cell *cell, double scale)
static void	cairo_renderer_class_init (CairoRendererClass *klass)

Detailed Description

Macro Definition Documentation

GDS_RENDER_TYPE_CAIRO_RENDERER

#define GDS_RENDER_TYPE_CAIRO_RENDERER   (cairo_renderer_get_type())

Definition at line 39 of file cairo-renderer.h.

MAX_LAYERS

#define MAX_LAYERS   (5000)

Maximum layer count the output renderer can process. Typically GDS only specifies up to 255 layers.

Definition at line 41 of file cairo-renderer.h.

Function Documentation

apply_inherited_transform_to_all_layers()

static void apply_inherited_transform_to_all_layers ( struct cairo_layer *  layers, const struct gds_point *  origin, double  magnification, gboolean  flipping, double  rotation, double  scale  )

static

Applies transformation to all layers.

Parameters

layers	Array of layers
origin	Origin translation
magnification	Scaling
flipping	Mirror image on x-axis before rotating
rotation	Rotation in degrees
scale	Scale the image down by. Only used for sclaing origin coordinates. Not applied to layer.

Definition at line 81 of file cairo-renderer.c.

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cairo_renderer_class_init()

static void cairo_renderer_class_init ( CairoRendererClass *  klass )

static

Definition at line 484 of file cairo-renderer.c.

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cairo_renderer_init()

static void cairo_renderer_init ( CairoRenderer *  self )

static

Definition at line 442 of file cairo-renderer.c.

cairo_renderer_new_pdf()

CairoRenderer * cairo_renderer_new_pdf

(

)

Create new CairoRenderer for PDF output.

Returns

New object

Definition at line 491 of file cairo-renderer.c.

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cairo_renderer_new_svg()

CairoRenderer * cairo_renderer_new_svg

(

)

Create new CairoRenderer for SVG output.

Returns

New object

Definition at line 501 of file cairo-renderer.c.

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cairo_renderer_render_cell_to_vector_file()

static int cairo_renderer_render_cell_to_vector_file ( GdsOutputRenderer *  renderer, struct gds_cell *  cell, GList *  layer_infos, const char *  pdf_file, const char *  svg_file, double  scale  )

static

Render cell to a PDF file specified by pdf_file.

Parameters

renderer	The current renderer this function is running from
cell	Toplevel cell to Cairo Renderer
layer_infos	List of layer information. Specifies color and layer stacking
pdf_file	PDF output file. Set to NULL if no PDF file has to be generated
svg_file	SVG output file. Set to NULL if no SVG file has to be generated
scale	Scale the output image down by scale

Returns

Error

Definition at line 233 of file cairo-renderer.c.

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cairo_renderer_render_output()

static int cairo_renderer_render_output ( GdsOutputRenderer *  renderer, struct gds_cell *  cell, double  scale  )

static

Definition at line 448 of file cairo-renderer.c.

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read_line_from_fd()

static int read_line_from_fd ( int  fd, char *  buff, size_t  buff_size  )

static

Read a line from a file descriptor.

In case of a broken pipe / closed writing end, it will terminate

Parameters

fd	File descriptor to read from
buff	Buffer to write data in
buff_size	Buffer size

Returns

length of read data

Definition at line 203 of file cairo-renderer.c.

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render_cell()

static void render_cell ( struct gds_cell *  cell, struct cairo_layer *  layers, double  scale  )

static

render_cell Render a cell with its sub-cells

Parameters

cell	Cell to render
layers	Cell will be rendered into these layers
scale	sclae image down by this factor

Definition at line 111 of file cairo-renderer.c.

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revert_inherited_transform()

static void revert_inherited_transform ( struct cairo_layer *  layers )

static

Revert the last transformation on all layers.

Parameters

layers

Pointer to cairo_layer structures

Definition at line 61 of file cairo-renderer.c.

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