cairo-device.h File Reference

#include <glib.h>
#include <cairo.h>
#include "mdvi.h"

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Functions
G_BEGIN_DECLS void	mdvi_cairo_device_init (DviDevice *device)
void	mdvi_cairo_device_free (DviDevice *device)
cairo_surface_t *	mdvi_cairo_device_get_surface (DviDevice *device)
void	mdvi_cairo_device_render (DviContext *dvi)
void	mdvi_cairo_device_set_margins (DviDevice *device, gint xmargin, gint ymargin)
void	mdvi_cairo_device_set_scale (DviDevice *device, gdouble xscale, gdouble yscale)

Function Documentation

void mdvi_cairo_device_free

(

DviDevice *

device)

Definition at line 300 of file cairo-device.c.

{
    DviCairoDevice *cairo_device;

    cairo_device = (DviCairoDevice *) device->device_data;

    if (cairo_device->cr)
        cairo_destroy (cairo_device->cr);

    g_free (cairo_device);
}

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cairo_surface_t* mdvi_cairo_device_get_surface

(

DviDevice *

device)

Definition at line 313 of file cairo-device.c.

{
    DviCairoDevice *cairo_device;

    cairo_device = (DviCairoDevice *) device->device_data;

    return cairo_surface_reference (cairo_get_target (cairo_device->cr));
}

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G_BEGIN_DECLS void mdvi_cairo_device_init

(

DviDevice *

device)

Definition at line 279 of file cairo-device.c.

{
    device->device_data = g_new0 (DviCairoDevice, 1);

    device->draw_glyph = dvi_cairo_draw_glyph;
    device->draw_rule = dvi_cairo_draw_rule;
    device->alloc_colors = dvi_cairo_alloc_colors;
    device->create_image = dvi_cairo_create_image;
    device->free_image = dvi_cairo_free_image;
    device->put_pixel = dvi_cairo_put_pixel;
        device->image_done = dvi_cairo_image_done;
    device->set_color = dvi_cairo_set_color;
#ifdef HAVE_SPECTRE
    device->draw_ps = dvi_cairo_draw_ps;
#else
    device->draw_ps = NULL;
#endif
    device->refresh = NULL;
}

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void mdvi_cairo_device_render

(

DviContext *

dvi)

Definition at line 323 of file cairo-device.c.

{
    DviCairoDevice  *cairo_device;
    gint             page_width;
    gint             page_height;
    cairo_surface_t *surface;

    cairo_device = (DviCairoDevice *) dvi->device.device_data;

    if (cairo_device->cr)
        cairo_destroy (cairo_device->cr);

    page_width = dvi->dvi_page_w * dvi->params.conv + 2 * cairo_device->xmargin;
    page_height = dvi->dvi_page_h * dvi->params.vconv + 2 * cairo_device->ymargin;

    surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
                                              page_width, page_height);

    cairo_device->cr = cairo_create (surface);
        cairo_surface_destroy (surface);

        cairo_set_source_rgb (cairo_device->cr, 1., 1., 1.);
        cairo_paint (cairo_device->cr);

    mdvi_dopage (dvi, dvi->currpage);
}

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void mdvi_cairo_device_set_margins	(	DviDevice *	device,
		gint	xmargin,
		gint	ymargin
	)

Definition at line 351 of file cairo-device.c.

{
    DviCairoDevice *cairo_device;

    cairo_device = (DviCairoDevice *) device->device_data;

    cairo_device->xmargin = xmargin;
    cairo_device->ymargin = ymargin;
}

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void mdvi_cairo_device_set_scale	(	DviDevice *	device,
		gdouble	xscale,
		gdouble	yscale
	)

Definition at line 364 of file cairo-device.c.

{
    DviCairoDevice *cairo_device;

    cairo_device = (DviCairoDevice *) device->device_data;

    cairo_device->xscale = xscale;
    cairo_device->yscale = yscale;
}

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