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helper: Move cairo_image_surface_create_from_svg to helper.c

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Signed-off-by: Quentin Glidic <sardemff7+git@sardemff7.net>
This commit is contained in:
Quentin Glidic 2017-06-01 13:36:11 +02:00
parent 93cb04e30f
commit 1d99363ce9
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GPG key ID: AC203F96E2C34BB7
4 changed files with 39 additions and 32 deletions
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13
include/helper.h
View file

@ -27,6 +27,9 @@
#ifndef ROFI_HELPER_H
#define ROFI_HELPER_H
#include <cairo.h>
/**
* @defgroup HELPERS Helpers
*/
@ -265,4 +268,14 @@ int utf8_strncmp ( const char *a, const char* b, size_t n ) __attribute__( ( non
* @returns FALSE On failure, TRUE on success
*/
int helper_execute_command ( const char *wd, const char *cmd, int run_in_term );
/**
* @param file The file path
* @param height The wanted height
* Gets a surface from an svg path
*
* @returns a cairo surface from an svg path
*/
cairo_surface_t *cairo_image_surface_create_from_svg ( const gchar* file, int height );
#endif // ROFI_HELPER_H

8
include/xcb.h
View file

@ -28,6 +28,7 @@
#ifndef ROFI_XCB_H
#define ROFI_XCB_H
#include <xcb/xcb.h>
#include <cairo.h>
/**
@ -200,13 +201,6 @@ cairo_surface_t * x11_helper_get_bg_surface ( void );
*/
cairo_surface_t *x11_helper_get_screenshot_surface ( void );
/**
* Gets a surface from an svg path
*
* @returns a cairo surface from an svg path
*/
cairo_surface_t *cairo_image_surface_create_from_svg ( const gchar* file, int height );
/**
* Creates an internal represenation of the available monitors.
* Used for positioning rofi.

26
source/helper.c
View file

@ -43,10 +43,10 @@
#include <sys/stat.h>
#include <pwd.h>
#include <ctype.h>
#include <xcb/xcb.h>
#include <pango/pango.h>
#include <pango/pango-fontmap.h>
#include <pango/pangocairo.h>
#include <librsvg/rsvg.h>
#include "xcb.h"
#include "helper.h"
#include "helper-theme.h"
@ -1024,3 +1024,27 @@ char *helper_get_theme_path ( const char *file )
}
return filename;
}
cairo_surface_t* cairo_image_surface_create_from_svg ( const gchar* file, int height )
{
cairo_surface_t *surface;
cairo_t *cr;
RsvgHandle * handle;
RsvgDimensionData dimensions;
handle = rsvg_handle_new_from_file ( file, NULL );
rsvg_handle_get_dimensions ( handle, &dimensions );
double scale = (double) height / dimensions.height;
surface = cairo_image_surface_create ( CAIRO_FORMAT_ARGB32,
(double) dimensions.width * scale,
(double) dimensions.height * scale );
cr = cairo_create ( surface );
cairo_scale ( cr, scale, scale );
rsvg_handle_render_cairo ( handle, cr );
cairo_destroy ( cr );
rsvg_handle_close ( handle, NULL );
g_object_unref ( handle );
return surface;
}

24
source/xcb.c
View file

@ -135,30 +135,6 @@ cairo_surface_t * x11_helper_get_bg_surface ( void )
xcb->screen->width_in_pixels, xcb->screen->height_in_pixels );
}
cairo_surface_t* cairo_image_surface_create_from_svg ( const gchar* file, int height )
{
cairo_surface_t *surface;
cairo_t *cr;
RsvgHandle * handle;
RsvgDimensionData dimensions;
handle = rsvg_handle_new_from_file ( file, NULL );
rsvg_handle_get_dimensions ( handle, &dimensions );
double scale = (double) height / dimensions.height;
surface = cairo_image_surface_create ( CAIRO_FORMAT_ARGB32,
(double) dimensions.width * scale,
(double) dimensions.height * scale );
cr = cairo_create ( surface );
cairo_scale ( cr, scale, scale );
rsvg_handle_render_cairo ( handle, cr );
cairo_destroy ( cr );
rsvg_handle_close ( handle, NULL );
g_object_unref ( handle );
return surface;
}
// retrieve a text property from a window
// technically we could use window_get_prop(), but this is better for character set support
char* window_get_text_prop ( xcb_window_t w, xcb_atom_t atom )