X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_graph.c;h=bb94b144609ff0dc12039f49c52473b5f1fab9f5;hb=31b44f6c4b0208dd2e7f75a21d683dfdfa96a6e9;hp=03027b13b80263f57336b79f7d82547d0364883c;hpb=02e00a5b3ef9181c8233c59da672732ece15d47d;p=rrdtool.git diff --git a/src/rrd_graph.c b/src/rrd_graph.c index 03027b1..bb94b14 100644 --- a/src/rrd_graph.c +++ b/src/rrd_graph.c @@ -37,15 +37,17 @@ #endif text_prop_t text_prop[] = { - {8.0, RRD_DEFAULT_FONT} + {8.0, RRD_DEFAULT_FONT,NULL} , /* default */ - {9.0, RRD_DEFAULT_FONT} + {9.0, RRD_DEFAULT_FONT,NULL} , /* title */ - {7.0, RRD_DEFAULT_FONT} + {7.0, RRD_DEFAULT_FONT,NULL} , /* axis */ - {8.0, RRD_DEFAULT_FONT} + {8.0, RRD_DEFAULT_FONT,NULL} , /* unit */ - {8.0, RRD_DEFAULT_FONT} /* legend */ + {8.0, RRD_DEFAULT_FONT,NULL} /* legend */ + , + {5.5, RRD_DEFAULT_FONT,NULL} /* watermark */ }; xlab_t xlab[] = { @@ -288,6 +290,7 @@ enum text_prop_en text_prop_conv( conv_if(AXIS, TEXT_PROP_AXIS); conv_if(UNIT, TEXT_PROP_UNIT); conv_if(LEGEND, TEXT_PROP_LEGEND); + conv_if(WATERMARK, TEXT_PROP_WATERMARK); return -1; } @@ -330,12 +333,18 @@ int im_free( if (im->rendered_image) { free(im->rendered_image); } + + if (im->layout) { + g_object_unref (im->layout); + } + if (im->surface) cairo_surface_destroy(im->surface); + if (status) fprintf(stderr, "OOPS: Cairo has issues it can't even die: %s\n", cairo_status_to_string(status)); - + return 0; } @@ -1701,11 +1710,7 @@ int leg_place( im-> text_prop [TEXT_PROP_LEGEND]. - font, - im-> - text_prop - [TEXT_PROP_LEGEND]. - size, + font_desc, im->tabwidth, im->gdes[i].legend); leg_c++; } else { @@ -1770,11 +1775,7 @@ int leg_place( im-> text_prop [TEXT_PROP_LEGEND]. - font, - im-> - text_prop - [TEXT_PROP_LEGEND]. - size, + font_desc, im->tabwidth, im->gdes[ii].legend) + legspace[ii] + glue; @@ -1990,10 +1991,8 @@ int draw_horizontal_grid( im->graph_col[GRC_FONT], im-> text_prop[TEXT_PROP_AXIS]. - font, - im-> - text_prop[TEXT_PROP_AXIS]. - size, im->tabwidth, 0.0, + font_desc, + im->tabwidth, 0.0, GFX_H_RIGHT, GFX_V_CENTER, graph_label); gfx_line(im, X0 - 2, Y0, X0, Y0, MGRIDWIDTH, im->graph_col[GRC_MGRID]); @@ -2171,10 +2170,8 @@ int horizontal_log_grid( im->graph_col[GRC_FONT], im-> text_prop[TEXT_PROP_AXIS]. - font, - im-> - text_prop[TEXT_PROP_AXIS]. - size, im->tabwidth, 0.0, + font_desc, + im->tabwidth, 0.0, GFX_H_RIGHT, GFX_V_CENTER, graph_label); /* minor grid */ if (mid < 4 && exfrac == 1) { @@ -2442,10 +2439,8 @@ void vertical_grid( im->graph_col[GRC_FONT], im-> text_prop[TEXT_PROP_AXIS]. - font, - im-> - text_prop[TEXT_PROP_AXIS]. - size, im->tabwidth, 0.0, + font_desc, + im->tabwidth, 0.0, GFX_H_CENTER, GFX_V_TOP, graph_label); } @@ -2523,10 +2518,8 @@ void grid_paint( im->graph_col[GRC_FONT], im-> text_prop[TEXT_PROP_AXIS]. - font, - im-> - text_prop[TEXT_PROP_AXIS]. - size, im->tabwidth, 0.0, + font_desc, + im->tabwidth, 0.0, GFX_H_CENTER, GFX_V_CENTER, nodata); } } @@ -2539,10 +2532,8 @@ void grid_paint( im->graph_col[GRC_FONT], im-> text_prop[TEXT_PROP_UNIT]. - font, - im-> - text_prop[TEXT_PROP_UNIT]. - size, im->tabwidth, + font_desc, + im->tabwidth, RRDGRAPH_YLEGEND_ANGLE, GFX_H_CENTER, GFX_V_CENTER, im->ylegend); /* graph title */ gfx_text(im, @@ -2550,18 +2541,16 @@ void grid_paint( im->graph_col[GRC_FONT], im-> text_prop[TEXT_PROP_TITLE]. - font, - im-> - text_prop[TEXT_PROP_TITLE]. - size, im->tabwidth, 0.0, GFX_H_CENTER, GFX_V_TOP, im->title); + font_desc, + im->tabwidth, 0.0, GFX_H_CENTER, GFX_V_TOP, im->title); /* rrdtool 'logo' */ water_color = im->graph_col[GRC_FONT]; water_color.alpha = 0.3; gfx_text(im, im->ximg - 4, 5, water_color, im-> - text_prop[TEXT_PROP_AXIS]. - font, 5.5, im->tabwidth, + text_prop[TEXT_PROP_WATERMARK]. + font_desc, im->tabwidth, -90, GFX_H_LEFT, GFX_V_TOP, "RRDTOOL / TOBI OETIKER"); /* graph watermark */ if (im->watermark[0] != '\0') { @@ -2569,8 +2558,8 @@ void grid_paint( im->ximg / 2, im->yimg - 6, water_color, im-> - text_prop[TEXT_PROP_AXIS]. - font, 5.5, im->tabwidth, 0, + text_prop[TEXT_PROP_WATERMARK]. + font_desc, im->tabwidth, 0, GFX_H_CENTER, GFX_V_BOTTOM, im->watermark); } @@ -2586,10 +2575,7 @@ void grid_paint( im->graph_col[GRC_FONT], im-> text_prop - [TEXT_PROP_LEGEND].font, - im-> - text_prop - [TEXT_PROP_LEGEND].size, + [TEXT_PROP_LEGEND].font_desc, im->tabwidth, 0.0, GFX_H_LEFT, GFX_V_BOTTOM, im->gdes[i].legend); /* The legend for GRAPH items starts with "M " to have @@ -2603,11 +2589,8 @@ void grid_paint( im-> text_prop [TEXT_PROP_LEGEND]. - font, - im-> - text_prop - [TEXT_PROP_LEGEND]. - size, im->tabwidth, "o") * 1.2; + font_desc, + im->tabwidth, "o") * 1.2; boxV = boxH; /* shift the box up a bit */ Y0 -= boxV * 0.4; @@ -2763,11 +2746,8 @@ int graph_size_location( im-> text_prop [TEXT_PROP_AXIS]. - font, - im-> - text_prop - [TEXT_PROP_AXIS]. - size, im->tabwidth, "0") * im->unitslength; + font_desc, + im->tabwidth, "0") * im->unitslength; } } @@ -2948,7 +2928,8 @@ int graph_paint( double areazero = 0.0; graph_desc_t *lastgdes = NULL; rrd_infoval_t info; - PangoFontMap *font_map = pango_cairo_font_map_get_default(); + +// PangoFontMap *font_map = pango_cairo_font_map_get_default(); /* if we want and can be lazy ... quit now */ if (lazy) { @@ -2969,7 +2950,7 @@ int graph_paint( * if there are no graph elements (i==0) we stop here ... * if we are lazy, try to quit ... */ - i = print_calc(im); + i = print_calc(im); if (i < 0) return -1; @@ -3059,10 +3040,11 @@ int graph_paint( (im->surface, CAIRO_SVG_VERSION_1_1); break; }; + cairo_destroy(im->cr); im->cr = cairo_create(im->surface); cairo_set_antialias(im->cr, im->graph_antialias); cairo_scale(im->cr, im->zoom, im->zoom); - pango_cairo_font_map_set_resolution(PANGO_CAIRO_FONT_MAP(font_map), 100); +// pango_cairo_font_map_set_resolution(PANGO_CAIRO_FONT_MAP(font_map), 100); gfx_new_area(im, 0, 0, 0, im->yimg, im->ximg, im->yimg, im->graph_col[GRC_BACK]); gfx_add_point(im, im->ximg, 0); @@ -3567,7 +3549,7 @@ int rrd_graph( *ysize = 0; *ymin = 0; *ymax = 0; - while (walker) { + while (walker) { if (strcmp(walker->key, "image_width") == 0) { *xsize = walker->value.u_int; } else if (strcmp(walker->key, "image_height") == 0) { @@ -3612,11 +3594,9 @@ rrd_info_t *rrd_graph_v( { image_desc_t im; rrd_info_t *grinfo; - rrd_graph_init(&im); /* a dummy surface so that we can measure text sizes for placements */ - im.surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 10, 10); - im.cr = cairo_create(im.surface); + rrd_graph_options(argc, argv, &im); if (rrd_test_error()) { rrd_info_free(im.grinfo); @@ -3667,10 +3647,12 @@ rrd_info_t *rrd_graph_v( if (im.imginfo) { rrd_infoval_t info; - char *filename; - filename=im.graphfile+strlen(im.graphfile); - while(filename > im.graphfile) { - if (*(filename-1)=='/' || *(filename-1)=='\\' ) break; + char *filename; + + filename = im.graphfile + strlen(im.graphfile); + while (filename > im.graphfile) { + if (*(filename - 1) == '/' || *(filename - 1) == '\\') + break; filename--; } info.u_str = @@ -3693,11 +3675,24 @@ rrd_info_t *rrd_graph_v( return grinfo; } +static void +rrd_set_font_desc ( + image_desc_t *im,int prop,char *font, double size ){ + strncpy(im->text_prop[prop].font, font, sizeof(text_prop[prop].font) - 1); + im->text_prop[prop].font[sizeof(text_prop[prop].font) - 1] = '\0'; + im->text_prop[prop].size = size; + im->text_prop[prop].font_desc = pango_font_description_from_string( font ); + pango_font_description_set_size(im->text_prop[prop].font_desc, size * PANGO_SCALE); +} + void rrd_graph_init( image_desc_t *im) { unsigned int i; + char *deffont = getenv("RRD_DEFAULT_FONT"); + static PangoFontMap *fontmap = NULL; + PangoContext *context; #ifdef HAVE_TZSET tzset(); @@ -3709,7 +3704,6 @@ void rrd_graph_init( #endif #endif im->base = 1000; - im->cr = NULL; im->draw_x_grid = 1; im->draw_y_grid = 1; im->extra_flags = 0; @@ -3736,7 +3730,6 @@ void rrd_graph_init( im->rendered_image = NULL; im->slopemode = 0; im->step = 0; - im->surface = NULL; im->symbol = ' '; im->tabwidth = 40.0; im->title[0] = '\0'; @@ -3755,31 +3748,45 @@ void rrd_graph_init( im->yorigin = 0; im->ysize = 100; im->zoom = 1; + + im->surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 10, 10); + im->cr = cairo_create(im->surface); + + for (i = 0; i < DIM(text_prop); i++) { + im->text_prop[i].size = -1; + rrd_set_font_desc(im,i, deffont ? deffont : text_prop[i].font,text_prop[i].size); + } + + if (fontmap == NULL){ + fontmap = pango_cairo_font_map_get_default(); + } + + context = pango_cairo_font_map_create_context((PangoCairoFontMap*)fontmap); + + pango_cairo_context_set_resolution(context, 100); + + pango_cairo_update_context(im->cr,context); + + im->layout = pango_layout_new(context); + +// im->layout = pango_cairo_create_layout(im->cr); + + cairo_font_options_set_hint_style (im->font_options, CAIRO_HINT_STYLE_FULL); cairo_font_options_set_hint_metrics (im->font_options, CAIRO_HINT_METRICS_ON); cairo_font_options_set_antialias(im->font_options, CAIRO_ANTIALIAS_GRAY); + + + for (i = 0; i < DIM(graph_col); i++) im->graph_col[i] = graph_col[i]; - { - char *deffont; - - deffont = getenv("RRD_DEFAULT_FONT"); - if (deffont != NULL) { - for (i = 0; i < DIM(text_prop); i++) { - strncpy(text_prop[i].font, deffont, - sizeof(text_prop[i].font) - 1); - text_prop[i].font[sizeof(text_prop[i].font) - 1] = '\0'; - } - } - } - for (i = 0; i < DIM(text_prop); i++) { - im->text_prop[i].size = text_prop[i].size; - strcpy(im->text_prop[i].font, text_prop[i].font); - } + + } + void rrd_graph_options( int argc, char *argv[], @@ -4120,13 +4127,11 @@ void rrd_graph_options( for (propidx = sindex; propidx < TEXT_PROP_LAST; propidx++) { if (size > 0) { - im->text_prop[propidx].size = size; + rrd_set_font_desc(im,propidx,NULL,size); } if ((int) strlen(optarg) > end) { if (optarg[end] == ':') { - strncpy(im->text_prop[propidx].font, - optarg + end + 1, 255); - im->text_prop[propidx].font[255] = '\0'; + rrd_set_font_desc(im,propidx,optarg + end + 1,0); } else { rrd_set_error ("expected : after font size in '%s'", @@ -4209,6 +4214,11 @@ void rrd_graph_options( return; } } + + pango_cairo_context_set_font_options(pango_layout_get_context(im->layout), im->font_options); + pango_layout_context_changed(im->layout); + + if (im->logarithmic && im->minval <= 0) { rrd_set_error @@ -4453,9 +4463,9 @@ int vdef_calc( src = &im->gdes[dst->vidx]; data = src->data + src->ds; end = - src->end_orig % (long)src->step == - 0 ? src->end_orig : (src->end_orig + (long)src->step - - src->end_orig % (long)src->step); + src->end_orig % (long) src->step == + 0 ? src->end_orig : (src->end_orig + (long) src->step - + src->end_orig % (long) src->step); steps = (end - src->start) / src->step; #if 0