int SVG_RenderToSurface(SDL_svg_context *Source, int X, int Y,
SDL_Surface *Target)
{
Source->surface = Target;
Source->TargetOffsetX = X;
Source->TargetOffsetY = Y;
return svg_render (Source->SVG, &SDL_SVG_RenderEngine, Source);
}
svg_status_t svgAndroidRender
(JNIEnv *env, svg_android_t *svg_android, jobject android_canvas)
{
__prepare_android_interface(svg_android, env, android_canvas);
_svg_android_push_state (svg_android, NULL);
svg_android->state->viewport_width = ANDROID_GET_WIDTH(svg_android);
svg_android->state->viewport_height = ANDROID_GET_HEIGHT(svg_android);
svg_android->fit_to_area = 0;
return svg_render (svg_android->svg, &SVG_ANDROID_RENDER_ENGINE, svg_android);
}
svg_status_t svgAndroidRenderToArea(JNIEnv *env, svg_android_t *svg_android, jobject android_canvas, int x, int y, int w, int h) {
__prepare_android_interface(svg_android, env, android_canvas);
_svg_android_push_state (svg_android, NULL);
svg_android->state->viewport_width = w;
svg_android->state->viewport_height = h;
svg_android->fit_to_area = -1;
svg_android->fit_to_x = x;
svg_android->fit_to_y = y;
svg_android->fit_to_w = w;
svg_android->fit_to_h = h;
svg_android->fit_to_MATRIX = NULL;
return svg_render (svg_android->svg, &SVG_ANDROID_RENDER_ENGINE, svg_android);
}
char *hf_generate_graph( int *rc, int cases, float *xdata, float *ydata, char *style, char *title,
char *xax_title, char *yax_title, struct chart_options *chopt)
{
int grids, digits, num_grids;
float dmin, dmax, span;
char *dataformat, *svg_doc = 0;
struct svg_model *svg;
struct milestone *walk, *mstone = 0;
struct svg_chart_milestone *ckpt;
struct series_data *series = 0;
ENTER( "hf_generate_graph" )
if( *rc == RC_NORMAL)
{
svg = svg_make_chart();
if( !svg) *rc = ERR_MALLOC_FAILED;
}
INSUB( "hf_generate_graph", "before-add-data" )
if( *rc == RC_NORMAL) series = svg_add_float_data( rc, svg, cases, xdata, ydata);
if( chopt )
{
mstone = chopt->mstone;
for( walk = mstone; *rc == RC_NORMAL && walk; walk = walk->next)
{
ckpt = svg_add_xax_checkpoint( svg, walk->offset, walk->label);
if( !ckpt) *rc = ERR_MALLOC_FAILED;
else if( walk == mstone && strcmp( style, SVG_STYLE_DARK))
{
*rc = svg_set_checkpoint_line_color( ckpt, GR_MST_LINE_COLOR );
if( *rc == RC_NORMAL) *rc = svg_set_checkpoint_text_color( ckpt, GR_MST_TEXT_COLOR );
}
}
if( chopt->xmin_hard != CH_OPT_NO_VALUE ) (void) svg_set_xmin( svg, chopt->xmin_hard );
else if( chopt->xmin_soft != CH_OPT_NO_VALUE && chopt->xmin_soft < svg->xmin ) (void) svg_set_xmin( svg, chopt->xmin_soft );
if( chopt->xmax_hard != CH_OPT_NO_VALUE ) (void) svg_set_xmax( svg, chopt->xmax_hard );
else if( chopt->xmax_soft != CH_OPT_NO_VALUE && chopt->xmax_soft > svg->xmax ) (void) svg_set_xmax( svg, chopt->xmax_soft );
if( chopt->ymin_hard != CH_OPT_NO_VALUE ) (void) svg_set_ymin( svg, chopt->ymin_hard );
else if( chopt->ymin_soft != CH_OPT_NO_VALUE && chopt->ymin_soft < svg->ymin ) (void) svg_set_ymin( svg, chopt->ymin_soft );
if( chopt->ymax_hard != CH_OPT_NO_VALUE ) (void) svg_set_ymax( svg, chopt->ymax_hard );
else if( chopt->ymax_soft != CH_OPT_NO_VALUE && chopt->ymax_soft > svg->ymax ) (void) svg_set_ymax( svg, chopt->ymax_soft );
}
INSUB( "hf_generate_graph", "before-titles" )
if( *rc == RC_NORMAL) *rc = svg_set_chart_title( svg, title);
if( *rc == RC_NORMAL) *rc = svg_set_xax_title( svg, xax_title);
if( *rc == RC_NORMAL) *rc = svg_set_yax_title( svg, yax_title);
if( *rc == RC_NORMAL)
{
if( cases < GR_ALL_XAX_GRIDS) num_grids = cases;
else num_grids = GR_ALL_XAX_GRIDS;
*rc = svg_set_xax_num_grids( svg, num_grids);
}
if( *rc == RC_NORMAL)
{
if( cases < GR_ALL_YAX_GRIDS) num_grids = cases;
else num_grids = GR_ALL_YAX_GRIDS;
*rc = svg_set_yax_num_grids( svg, num_grids);
}
INSUB( "hf_generate_graph", "before-finalize" )
if( *rc == RC_NORMAL) *rc = svg_finalize_model( svg);
if( *rc == RC_NORMAL)
{
dmin = svg_get_xmin( svg);
dmax = svg_get_xmax( svg);
grids = svg_get_xax_num_grids( svg);
span = (dmax - dmin) / grids;
if( span >= 1.0) digits = 0;
else if( span == 0.0) digits = 0;
else digits = (int) (1 - log10( span));
/* printf( "<!-- HFGG: min:%f max:%f span:%f digits:%d patt(%s) -->\n", dmin, dmax, span, digits, GR_DATA_META_FORMAT); */
dataformat = string_from_int( rc, digits, GR_DATA_META_FORMAT);
/* printf( "<!-- HFGG: rc:%d format(%s)-->\n", *rc, dataformat); */
if( *rc == RC_NORMAL) *rc = svg_set_xax_disp( svg, dataformat);
if( dataformat) free( dataformat);
}
if( *rc == RC_NORMAL)
{
dmin = svg_get_ymin( svg);
dmax = svg_get_ymax( svg);
grids = svg_get_yax_num_grids( svg);
span = (dmax - dmin) / grids;
if( span >= 1.0) digits = 0;
else if( span == 0.0) digits = 0;
else digits = (int) (1 - log10( span));
dataformat = string_from_int( rc, digits, GR_DATA_META_FORMAT);
if( *rc == RC_NORMAL) *rc = svg_set_yax_disp( svg, dataformat);
if( dataformat) free( dataformat);
}
INSUB( "hf_generate_graph", "before-styles" )
if( strcmp( style, SVG_STYLE_DARK))
{
if( *rc == RC_NORMAL) *rc = svg_set_circ_line_size( series, GR_ALL_CIRC_LINE_SIZE);
if( *rc == RC_NORMAL) *rc = svg_set_circ_radius( series, GR_ALL_CIRC_RADIUS);
if( *rc == RC_NORMAL) *rc = svg_set_text_color( svg, GR_ALL_TEXT_COLOR);
if( *rc == RC_NORMAL) *rc = svg_set_axis_color( svg, GR_ALL_AXIS_COLOR);
if( *rc == RC_NORMAL) *rc = svg_set_chart_color( svg, GR_ALL_CHART_COLOR);
if( *rc == RC_NORMAL) *rc = svg_set_graph_color( svg, GR_ALL_GRAPH_COLOR);
if( *rc == RC_NORMAL) *rc = svg_set_circ_fill_color( series, GR_ALL_CIRC_FILL_COLOR);
if( *rc == RC_NORMAL) *rc = svg_set_circ_line_color( series, GR_ALL_CIRC_LINE_COLOR);
if( *rc == RC_NORMAL) *rc = svg_set_data_fill_color( series, GR_ALL_DATA_FILL_COLOR);
if( *rc == RC_NORMAL) *rc = svg_set_data_line_color( series, GR_ALL_DATA_LINE_COLOR);
if( *rc == RC_NORMAL) *rc = svg_set_x_gridline_color( svg, GR_ALL_XGRID_COLOR);
if( *rc == RC_NORMAL) *rc = svg_set_y_gridline_color( svg, GR_ALL_YGRID_COLOR);
if( *rc == RC_NORMAL) *rc = svg_set_graph_alpha( svg, GR_ALL_GRAPH_ALPHA);
if( *rc == RC_NORMAL) *rc = svg_set_circ_fill_alpha( series, GR_ALL_CIRC_FILL_ALPHA);
if( *rc == RC_NORMAL) *rc = svg_set_circ_line_alpha( series, GR_ALL_CIRC_LINE_ALPHA);
if( *rc == RC_NORMAL) *rc = svg_set_data_fill_alpha( series, GR_ALL_DATA_FILL_ALPHA);
if( *rc == RC_NORMAL) *rc = svg_set_data_line_alpha( series, GR_ALL_DATA_LINE_ALPHA);
if( chopt )
{
if( chopt->data_line_alpha != CH_OPT_NO_VALUE ) (void) svg_set_data_line_alpha( series, chopt->data_line_alpha );
if( chopt->data_line_color ) (void) svg_set_data_line_color( series, chopt->data_line_color );
}
}
INSUB( "hf_generate_graph", "before-render" )
if( *rc == RC_NORMAL) svg_doc = svg_render( rc, svg);
INSUB( "hf_generate_graph", "before-free" )
if( svg) svg_free_model( svg);
return( svg_doc);
}