****************************************************************************
* rrd_gfx.c graphics wrapper for rrdtool
**************************************************************************/
****************************************************************************
* rrd_gfx.c graphics wrapper for rrdtool
**************************************************************************/
unsigned long pys_height = height * canvas->zoom;
const int bytes_per_pixel = 4;
unsigned long rowstride = pys_width*bytes_per_pixel; /* bytes per pixel */
unsigned long pys_height = height * canvas->zoom;
const int bytes_per_pixel = 4;
unsigned long rowstride = pys_width*bytes_per_pixel; /* bytes per pixel */
- gfx_color_t *buffp;
- long i;
- for (i=0,buffp=(gfx_color_t *)buffer;
- i<pys_width*pys_height;
+ gfx_color_t *buffp = art_new (gfx_color_t, pys_width*pys_height);
+ art_u8 *buffer = (art_u8 *)buffp;
+ unsigned long i;
+ for (i=0;i<pys_width*pys_height;
art_affine_scale(dst,canvas->zoom,canvas->zoom);
vec = art_vpath_affine_transform(node->path,dst);
if (node->closed_path)
gfx_libart_close_path(node, &vec);
/* gfx_round_scaled_coordinates(vec); */
art_affine_scale(dst,canvas->zoom,canvas->zoom);
vec = art_vpath_affine_transform(node->path,dst);
if (node->closed_path)
gfx_libart_close_path(node, &vec);
/* gfx_round_scaled_coordinates(vec); */
ART_PATH_STROKE_CAP_ROUND,
node->size*canvas->zoom,4,0.25);
} else {
ART_PATH_STROKE_CAP_ROUND,
node->size*canvas->zoom,4,0.25);
} else {
- svp = art_svp_from_vpath ( pvec );
- svpt = art_svp_uncross( svp );
- art_svp_free(svp);
- svp = art_svp_rewind_uncrossed(svpt,ART_WIND_RULE_NONZERO);
- art_svp_free(svpt);
+ svp = art_svp_from_vpath ( vec );
+ /* this takes time and is unnecessary since we make
+ sure elsewhere that the areas are going clock-whise */
+ /* svpt = art_svp_uncross( svp );
+ art_svp_free(svp);
+ svp = art_svp_rewind_uncrossed(svpt,ART_WIND_RULE_NONZERO);
+ art_svp_free(svpt);
+ */
/* this is from gnome since libart does not have this yet */
gnome_print_art_rgba_svp_alpha (svp ,0,0, pys_width, pys_height,
node->color, buffer, rowstride, NULL);
/* this is from gnome since libart does not have this yet */
gnome_print_art_rgba_svp_alpha (svp ,0,0, pys_width, pys_height,
node->color, buffer, rowstride, NULL);
text[0].compression = PNG_TEXT_COMPRESSION_NONE;
png_set_text (png_ptr, info_ptr, text, 1);
text[0].compression = PNG_TEXT_COMPRESSION_NONE;
png_set_text (png_ptr, info_ptr, text, 1);
- /* lets make this fast */
- /* png_set_filter(png_ptr,0,PNG_FILTER_NONE); */
+ /* lets make this fast while ending up with some increass in image size */
+ png_set_filter(png_ptr,0,PNG_FILTER_NONE);
+ /* png_set_filter(png_ptr,0,PNG_FILTER_SUB); */
png_set_compression_level(png_ptr,1);
/* png_set_compression_strategy(png_ptr,Z_HUFFMAN_ONLY); */
/*
png_set_compression_level(png_ptr,1);
/* png_set_compression_strategy(png_ptr,Z_HUFFMAN_ONLY); */
/*
/* can't like weird chars here */
"%%Title: (RRDtool output)\n"
"%%DocumentData: Clean7Bit\n"
/* can't like weird chars here */
"%%Title: (RRDtool output)\n"
"%%DocumentData: Clean7Bit\n"