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-rw-r--r--src/charts.c646
1 files changed, 124 insertions, 522 deletions
diff --git a/src/charts.c b/src/charts.c
index 8ebdc4b..c68ba0f 100644
--- a/src/charts.c
+++ b/src/charts.c
@@ -1,7 +1,7 @@
/*
* \/\/\
*
- * Copyright (C) 2012-2018 Vito Caputo - <vcaputo@pengaru.com>
+ * Copyright (C) 2012-2024 Vito Caputo - <vcaputo@pengaru.com>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
@@ -18,28 +18,29 @@
/* libvmon integration, warning: this gets a little crazy especially in the rendering. */
-#include <X11/Xatom.h>
-#include <X11/Xlib.h>
-#include <X11/extensions/Xfixes.h>
-#include <X11/extensions/Xrender.h>
#include <assert.h>
#include <math.h>
#include <stdarg.h>
#include <stdlib.h>
#include <sys/time.h>
+#ifdef USE_XLIB
+#include <X11/extensions/Xfixes.h>
+#endif
+
+
#include "charts.h"
-#include "composite.h"
#include "libvmon/vmon.h"
#include "list.h"
-#include "vwm.h"
+#include "util.h"
+#include "vcr.h"
+
+#ifdef USE_XLIB
+#include "composite.h"
#include "xwindow.h"
+#include "vwm.h"
+#endif
-#define CHART_MASK_DEPTH 8 /* XXX: 1 would save memory, but Xorg isn't good at it */
-#define CHART_FIXED_FONT "-misc-fixed-medium-r-semicondensed--13-120-75-75-c-60-iso10646-1"
-#define CHART_ROW_HEIGHT 15 /* this should always be larger than the font height */
-#define CHART_GRAPH_MIN_WIDTH 200 /* always create graphs at least this large */
-#define CHART_GRAPH_MIN_HEIGHT (4 * CHART_ROW_HEIGHT)
#define CHART_ISTHREAD_ARGV "~" /* use this string to mark threads in the argv field */
#define CHART_NOCOMM_ARGV "#missed it!" /* use this string to substitute the command when missing in argv field */
#define CHART_MAX_ARGC 64 /* this is a huge amount */
@@ -49,7 +50,7 @@
/* the global charts state, supplied to vwm_chart_create() which keeps a reference for future use. */
typedef struct _vwm_charts_t {
- vwm_xserver_t *xserver; /* xserver supplied to vwm_charts_init() */
+ vcr_backend_t *vcr_backend; /* supplied to vwm_charts_create() */
/* libvmon */
struct timeval maybe_sample, last_sample, this_sample;
@@ -60,17 +61,6 @@ typedef struct _vwm_charts_t {
vmon_t vmon;
float prev_sampling_interval, sampling_interval;
int sampling_paused, contiguous_drops, primed;
-
- /* X */
- XFontStruct *chart_font;
- GC text_gc;
- Picture shadow_fill,
- text_fill,
- bg_fill,
- snowflakes_text_fill,
- grapha_fill,
- graphb_fill,
- finish_fill;
} vwm_charts_t;
typedef enum _vwm_column_type_t {
@@ -113,19 +103,14 @@ typedef struct _vwm_column_t {
/* everything needed by the per-window chart's context */
typedef struct _vwm_chart_t {
vmon_proc_t *monitor; /* vmon process monitor handle */
- Pixmap text_pixmap; /* pixmap for charted text (kept around for XDrawText usage) */
- Picture text_picture; /* picture representation of text_pixmap */
- Picture shadow_picture; /* text shadow layer */
- Picture grapha_picture; /* graph A layer */
- Picture graphb_picture; /* graph B layer */
- Picture tmp_picture; /* 1 row worth of temporary picture space */
- Picture picture; /* chart picture derived from the pixmap, for render compositing */
- int width; /* current width of the chart */
- int height; /* current height of the chart */
+ vcr_t *vcr;
+
+ int hierarchy_end; /* row where the process hierarchy currently ends */
+
+ /* FIXME TODO: this is redundant with the same things in vcr_t now, dedupe them */
int visible_width; /* currently visible width of the chart */
int visible_height; /* currently visible height of the chart */
- int phase; /* current position within the (horizontally scrolling) graphs */
- int hierarchy_end; /* row where the process hierarchy currently ends */
+
int snowflakes_cnt; /* count of snowflaked rows (reset to zero to truncate snowflakes display) */
int gen_last_composed; /* the last composed vmon generation */
int redraw_needed; /* if a redraw is required (like when the window is resized...) */
@@ -152,17 +137,6 @@ static float sampling_intervals[] = {
.025, /* ~40Hz */
.01666}; /* ~60Hz */
-static XRenderColor chart_visible_color = { 0xffff, 0xffff, 0xffff, 0xffff },
- chart_shadow_color = { 0x0000, 0x0000, 0x0000, 0xC000},
- chart_bg_color = { 0x0, 0x1000, 0x0, 0x9000},
- chart_div_color = { 0x2000, 0x3000, 0x2000, 0x9000},
- chart_snowflakes_visible_color = { 0xd000, 0xd000, 0xd000, 0x8000 },
- chart_trans_color = {0x00, 0x00, 0x00, 0x00},
- chart_grapha_color = { 0xff00, 0x0000, 0x0000, 0x3000 }, /* ~red */
- chart_graphb_color = { 0x0000, 0xffff, 0xffff, 0x3000 }; /* ~cyan */
-static XRenderPictureAttributes pa_repeat = { .repeat = 1 };
-static XRenderPictureAttributes pa_no_repeat = { .repeat = 0 };
-
/* wrapper around snprintf always returning the length of what's in the buf */
static int snpf(char *str, size_t size, const char *format, ...)
@@ -212,66 +186,10 @@ static void vmon_dtor_cb(vmon_t *vmon, vmon_proc_t *proc)
}
-/* convenience helper for creating a pixmap */
-static Pixmap create_pixmap(vwm_charts_t *charts, unsigned width, unsigned height, unsigned depth)
-{
- vwm_xserver_t *xserver = charts->xserver;
-
- return XCreatePixmap(xserver->display, XSERVER_XROOT(xserver), width, height, depth);
-}
-
-
-/* convenience helper for creating a picture, supply res_pixmap to keep a reference to the pixmap drawable. */
-static Picture create_picture(vwm_charts_t *charts, unsigned width, unsigned height, unsigned depth, unsigned long attr_mask, XRenderPictureAttributes *attr, Pixmap *res_pixmap)
-{
- vwm_xserver_t *xserver = charts->xserver;
- Pixmap pixmap;
- Picture picture;
- int format;
-
- /* FIXME this pixmap->picture dance seems silly, investigate further. TODO */
- switch (depth) {
- case 8:
- format = PictStandardA8;
- break;
- case 32:
- format = PictStandardARGB32;
- break;
- default:
- assert(0);
- }
-
- pixmap = create_pixmap(charts, width, height, depth);
- picture = XRenderCreatePicture(xserver->display, pixmap, XRenderFindStandardFormat(xserver->display, format), attr_mask, attr);
-
- if (res_pixmap) {
- *res_pixmap = pixmap;
- } else {
- XFreePixmap(xserver->display, pixmap);
- }
-
- return picture;
-}
-
-
-/* convenience helper for creating a filled picture, supply res_pixmap to keep a reference to the pixmap drawable. */
-static Picture create_picture_fill(vwm_charts_t *charts, unsigned width, unsigned height, unsigned depth, unsigned long attrs_mask, XRenderPictureAttributes *attrs, const XRenderColor *color, Pixmap *res_pixmap)
-{
- vwm_xserver_t *xserver = charts->xserver;
- Picture picture;
-
- picture = create_picture(charts, width, height, depth, attrs_mask, attrs, res_pixmap);
- XRenderFillRectangle(xserver->display, PictOpSrc, picture, color, 0, 0, width, height);
-
- return picture;
-}
-
-
/* initialize charts system */
-vwm_charts_t * vwm_charts_create(vwm_xserver_t *xserver)
+vwm_charts_t * vwm_charts_create(vcr_backend_t *vbe)
{
vwm_charts_t *charts;
- Pixmap bitmask;
charts = calloc(1, sizeof(vwm_charts_t));
if (!charts) {
@@ -279,7 +197,7 @@ vwm_charts_t * vwm_charts_create(vwm_xserver_t *xserver)
goto _err;
}
- charts->xserver = xserver;
+ charts->vcr_backend = vbe;
charts->prev_sampling_interval = charts->sampling_interval = 0.1f; /* default to 10Hz */
if (!vmon_init(&charts->vmon, VMON_FLAG_2PASS, CHART_VMON_SYS_WANTS, CHART_VMON_PROC_WANTS)) {
@@ -293,40 +211,8 @@ vwm_charts_t * vwm_charts_create(vwm_xserver_t *xserver)
charts->vmon.sample_cb_arg = charts;
gettimeofday(&charts->this_sample, NULL);
- /* get all the text and graphics stuff setup for charts */
- charts->chart_font = XLoadQueryFont(xserver->display, CHART_FIXED_FONT);
- if (!charts->chart_font) {
- VWM_ERROR("unable to load chart font \"%s\"", CHART_FIXED_FONT);
- goto _err_vmon;
- }
-
- /* create a GC for rendering the text using Xlib into the text chart stencils */
- bitmask = create_pixmap(charts, 1, 1, CHART_MASK_DEPTH);
- charts->text_gc = XCreateGC(xserver->display, bitmask, 0, NULL);
- XSetForeground(xserver->display, charts->text_gc, WhitePixel(xserver->display, xserver->screen_num));
- XFreePixmap(xserver->display, bitmask);
-
- /* create some repeating source fill pictures for drawing through the text and graph stencils */
- charts->text_fill = create_picture_fill(charts, 1, 1, 32, CPRepeat, &pa_repeat, &chart_visible_color, NULL);
- charts->shadow_fill = create_picture_fill(charts, 1, 1, 32, CPRepeat, &pa_repeat, &chart_shadow_color, NULL);
-
- charts->bg_fill = create_picture(charts, 1, CHART_ROW_HEIGHT, 32, CPRepeat, &pa_repeat, NULL);
- XRenderFillRectangle(xserver->display, PictOpSrc, charts->bg_fill, &chart_bg_color, 0, 0, 1, CHART_ROW_HEIGHT);
- XRenderFillRectangle(xserver->display, PictOpSrc, charts->bg_fill, &chart_div_color, 0, CHART_ROW_HEIGHT - 1, 1, 1);
-
- charts->snowflakes_text_fill = create_picture_fill(charts, 1, 1, 32, CPRepeat, &pa_repeat, &chart_snowflakes_visible_color, NULL);
- charts->grapha_fill = create_picture_fill(charts, 1, 1, 32, CPRepeat, &pa_repeat, &chart_grapha_color, NULL);
- charts->graphb_fill = create_picture_fill(charts, 1, 1, 32, CPRepeat, &pa_repeat, &chart_graphb_color, NULL);
-
- charts->finish_fill = create_picture(charts, 1, 2, 32, CPRepeat, &pa_repeat, NULL);
- XRenderFillRectangle(xserver->display, PictOpSrc, charts->finish_fill, &chart_visible_color, 0, 0, 1, 1);
- XRenderFillRectangle(xserver->display, PictOpSrc, charts->finish_fill, &chart_trans_color, 0, 1, 1, 1);
-
return charts;
-_err_vmon:
- vmon_destroy(&charts->vmon);
-
_err_charts:
free(charts);
@@ -343,151 +229,90 @@ void vwm_charts_destroy(vwm_charts_t *charts)
}
-/* copies a row from src to dest */
-static void copy_row(vwm_charts_t *charts, vwm_chart_t *chart, int src_row, Picture src, int dest_row, Picture dest)
+/* moves what's below a given row up above it, preserve the lost row's graphs @ hierarchy end */
+static void snowflake_row(vwm_charts_t *charts, vwm_chart_t *chart, int row)
{
- XRenderComposite(charts->xserver->display, PictOpSrc, src, None, dest,
- 0, src_row * CHART_ROW_HEIGHT, /* src */
- 0, 0, /* mask */
- 0, dest_row * CHART_ROW_HEIGHT, /* dest */
- chart->width, CHART_ROW_HEIGHT); /* dimensions */
-}
+ VWM_TRACE("pid=%i chart=%p row=%i heirarhcy_end=%i", chart->monitor->pid, chart, row, chart->hierarchy_end);
+ /* stash the graph rows */
+ vcr_stash_row(chart->vcr, VCR_LAYER_GRAPHA, row);
+ vcr_stash_row(chart->vcr, VCR_LAYER_GRAPHB, row);
-/* fills a row with the specified color */
-static void fill_row(vwm_charts_t *charts, vwm_chart_t *chart, int row, Picture pic, XRenderColor *color)
-{
- XRenderFillRectangle(charts->xserver->display, PictOpSrc, pic, color,
- 0, row * CHART_ROW_HEIGHT, /* dest */
- chart->width, CHART_ROW_HEIGHT); /* dimensions */
-}
+ /* shift _all_ the layers up by 1 row */
+ vcr_shift_below_row_up_one(chart->vcr, row);
+ /* unstash the graph rows @ hierarchy end so we have them in the snowflakes */
+ vcr_unstash_row(chart->vcr, VCR_LAYER_GRAPHA, chart->hierarchy_end);
+ vcr_unstash_row(chart->vcr, VCR_LAYER_GRAPHB, chart->hierarchy_end);
-/* copy what's below a given row up the specified amount within the same picture */
-static void shift_below_row_up(vwm_charts_t *charts, vwm_chart_t *chart, int row, Picture pic, int rows)
-{
- vwm_xserver_t *xserver = charts->xserver;
-
- XRenderChangePicture(xserver->display, pic, CPRepeat, &pa_no_repeat);
- XRenderComposite(xserver->display, PictOpSrc, pic, None, pic,
- 0, (rows + row) * CHART_ROW_HEIGHT, /* src */
- 0, 0, /* mask */
- 0, row * CHART_ROW_HEIGHT, /* dest */
- chart->width, (rows + chart->hierarchy_end) * CHART_ROW_HEIGHT - (rows + row) * CHART_ROW_HEIGHT); /* dimensions */
- XRenderChangePicture(xserver->display, pic, CPRepeat, &pa_repeat);
+ /* clear the others @ hierarchy end, new argv will get stamped over it */
+ vcr_clear_row(chart->vcr, VCR_LAYER_TEXT, chart->hierarchy_end, -1, -1);
+ vcr_clear_row(chart->vcr, VCR_LAYER_SHADOW, chart->hierarchy_end, -1, -1);
}
-/* moves what's below a given row up above it if specified, the row becoming discarded */
-static void snowflake_row(vwm_charts_t *charts, vwm_chart_t *chart, Picture pic, int copy, int row)
-{
- VWM_TRACE("pid=%i chart=%p row=%i copy=%i heirarhcy_end=%i", chart->monitor->pid, chart, row, copy, chart->hierarchy_end);
-
- if (copy)
- copy_row(charts, chart, row, pic, 0, chart->tmp_picture);
-
- shift_below_row_up(charts, chart, row, pic, 1);
-
- if (copy) {
- copy_row(charts, chart, 0, chart->tmp_picture, chart->hierarchy_end, pic);
- } else {
- fill_row(charts, chart, chart->hierarchy_end, pic, &chart_trans_color);
- }
-}
-
/* XXX TODO libvmon automagic children following races with explicit X client pid monitoring with different outcomes, it should be irrelevant which wins,
* currently the only visible difference is the snowflakes gap (hierarchy_end) varies, which is why I haven't bothered to fix it, I barely even notice.
*/
-static void shift_below_row_down(vwm_charts_t *charts, vwm_chart_t *chart, int row, Picture pic, int rows)
-{
- XRenderComposite(charts->xserver->display, PictOpSrc, pic, None, pic,
- 0, row * CHART_ROW_HEIGHT, /* src */
- 0, 0, /* mask */
- 0, (row + rows) * CHART_ROW_HEIGHT, /* dest */
- chart->width, chart->height - (rows + row) * CHART_ROW_HEIGHT); /* dimensions */
-}
-
-
/* shifts what's below a given row down a row, and clears the row, preparing it for populating */
-static void allocate_row(vwm_charts_t *charts, vwm_chart_t *chart, Picture pic, int row)
+static void allocate_row(vwm_charts_t *charts, vwm_chart_t *chart, int row)
{
VWM_TRACE("pid=%i chart=%p row=%i", chart->monitor->pid, chart, row);
- shift_below_row_down(charts, chart, row, pic, 1);
- fill_row(charts, chart, row, pic, &chart_trans_color);
+ vcr_shift_below_row_down_one(chart->vcr, row);
+ /* FIXME TODO: the vcr layers api needs to just support bitmasks for which layers the operation
+ * applies to.
+ */
+ vcr_clear_row(chart->vcr, VCR_LAYER_GRAPHA, row, -1, -1);
+ vcr_clear_row(chart->vcr, VCR_LAYER_GRAPHB, row, -1, -1);
+ vcr_clear_row(chart->vcr, VCR_LAYER_TEXT, row, -1, -1);
+ vcr_clear_row(chart->vcr, VCR_LAYER_SHADOW, row, -1, -1);
}
/* shadow a row from the text layer in the shadow layer */
static void shadow_row(vwm_charts_t *charts, vwm_chart_t *chart, int row)
{
- vwm_xserver_t *xserver = charts->xserver;
-
- /* the current technique for creating the shadow is to simply render the text at +1/-1 pixel offsets on both axis in translucent black */
- XRenderComposite(xserver->display, PictOpSrc, charts->shadow_fill, chart->text_picture, chart->shadow_picture,
- 0, 0,
- -1, row * CHART_ROW_HEIGHT,
- 0, row * CHART_ROW_HEIGHT,
- chart->visible_width, CHART_ROW_HEIGHT);
-
- XRenderComposite(xserver->display, PictOpOver, charts->shadow_fill, chart->text_picture, chart->shadow_picture,
- 0, 0,
- 0, -1 + row * CHART_ROW_HEIGHT,
- 0, row * CHART_ROW_HEIGHT,
- chart->visible_width, CHART_ROW_HEIGHT);
-
- XRenderComposite(xserver->display, PictOpOver, charts->shadow_fill, chart->text_picture, chart->shadow_picture,
- 0, 0,
- 1, row * CHART_ROW_HEIGHT,
- 0, row * CHART_ROW_HEIGHT,
- chart->visible_width, CHART_ROW_HEIGHT);
-
- XRenderComposite(xserver->display, PictOpOver, charts->shadow_fill, chart->text_picture, chart->shadow_picture,
- 0, 0,
- 0, 1 + row * CHART_ROW_HEIGHT,
- 0, row * CHART_ROW_HEIGHT,
- chart->visible_width, CHART_ROW_HEIGHT);
+ vcr_shadow_row(chart->vcr, VCR_LAYER_TEXT, row);
}
/* simple helper to map the vmon per-proc argv array into an XTextItem array, deals with threads vs. processes and the possibility of the comm field not getting read in before the process exited... */
-static void argv2xtext(const vmon_proc_t *proc, XTextItem *items, int max_items, int *nr_items)
+static void proc_argv2strs(const vmon_proc_t *proc, vcr_str_t *strs, int max_strs, int *res_n_strs)
{
- int i;
int nr = 0;
+ assert(proc);
+ assert(strs);
+ assert(max_strs > 2);
+ assert(res_n_strs);
+
if (proc->is_thread) { /* stick the thread marker at the start of threads */
- items[0].nchars = sizeof(CHART_ISTHREAD_ARGV) - 1;
- items[0].chars = CHART_ISTHREAD_ARGV;
- items[0].delta = 4;
- items[0].font = None;
+ strs[0].str = CHART_ISTHREAD_ARGV;
+ strs[0].len = sizeof(CHART_ISTHREAD_ARGV) - 1;
nr++;
}
if (((vmon_proc_stat_t *)proc->stores[VMON_STORE_PROC_STAT])->comm.len) {
- items[nr].nchars = ((vmon_proc_stat_t *)proc->stores[VMON_STORE_PROC_STAT])->comm.len - 1;
- items[nr].chars = ((vmon_proc_stat_t *)proc->stores[VMON_STORE_PROC_STAT])->comm.array;
+ strs[nr].str = ((vmon_proc_stat_t *)proc->stores[VMON_STORE_PROC_STAT])->comm.array;
+ strs[nr].len = ((vmon_proc_stat_t *)proc->stores[VMON_STORE_PROC_STAT])->comm.len - 1;
} else {
/* sometimes a process is so ephemeral we don't manage to sample its comm, XXX TODO: we always have a pid, stringify it? */
- items[nr].nchars = sizeof(CHART_NOCOMM_ARGV) - 1;
- items[nr].chars = CHART_NOCOMM_ARGV;
+ strs[nr].str = CHART_NOCOMM_ARGV;
+ strs[nr].len = sizeof(CHART_NOCOMM_ARGV) - 1;
}
- items[nr].delta = 4;
- items[nr].font = None;
nr++;
if (!proc->is_thread) { /* suppress the argv for threads */
- for (i = 1; nr < max_items && i < ((vmon_proc_stat_t *)proc->stores[VMON_STORE_PROC_STAT])->argc; nr++, i++) {
- items[nr].chars = ((vmon_proc_stat_t *)proc->stores[VMON_STORE_PROC_STAT])->argv[i];
- items[nr].nchars = strlen(((vmon_proc_stat_t *)proc->stores[VMON_STORE_PROC_STAT])->argv[i]); /* TODO: libvmon should inform us of the length */
- items[nr].delta = 4;
- items[nr].font = None;
+ for (int i = 1; nr < max_strs && i < ((vmon_proc_stat_t *)proc->stores[VMON_STORE_PROC_STAT])->argc; nr++, i++) {
+ strs[nr].str = ((vmon_proc_stat_t *)proc->stores[VMON_STORE_PROC_STAT])->argv[i];
+ strs[nr].len = strlen(((vmon_proc_stat_t *)proc->stores[VMON_STORE_PROC_STAT])->argv[i]); /* TODO: libvmon should inform us of the length */
}
}
- (*nr_items) = nr;
+ *res_n_strs = nr;
}
@@ -536,72 +361,37 @@ static int proc_hierarchy_changed(vmon_proc_t *proc)
/* helper for drawing the vertical bars in the graph layers */
static void draw_bars(vwm_charts_t *charts, vwm_chart_t *chart, int row, double a_fraction, double a_total, double b_fraction, double b_total)
{
- vwm_xserver_t *xserver = charts->xserver;
- int a_height, b_height;
+ float a_t, b_t;
- /* compute the bar heights for this sample */
- a_height = (a_fraction / a_total * (double)(CHART_ROW_HEIGHT - 1)); /* give up 1 pixel for the div */
- b_height = (b_fraction / b_total * (double)(CHART_ROW_HEIGHT - 1));
+ /* compute the bar %ages for this sample */
+ a_t = a_fraction / a_total;
+ b_t = b_fraction / b_total;
- /* round up to 1 pixel when the scaled result is a fraction less than 1,
+ /* ensure at least 1 pixel when the scaled result is a fraction less than 1,
* I want to at least see 1 pixel blips for the slightest cpu utilization */
- if (a_fraction && !a_height)
- a_height = 1;
-
- if (b_fraction && !b_height)
- b_height = 1;
-
- /* draw the two bars for this sample at the current phase in the graphs, note the first is ceiling-based, second floor-based */
- XRenderFillRectangle(xserver->display, PictOpSrc, chart->grapha_picture, &chart_visible_color,
- chart->phase, row * CHART_ROW_HEIGHT, /* dst x, y */
- 1, a_height); /* dst w, h */
- XRenderFillRectangle(xserver->display, PictOpSrc, chart->graphb_picture, &chart_visible_color,
- chart->phase, row * CHART_ROW_HEIGHT + (CHART_ROW_HEIGHT - b_height) - 1, /* dst x, y */
- 1, b_height); /* dst w, h */
+ vcr_draw_bar(chart->vcr, VCR_LAYER_GRAPHA, row, a_t, a_fraction > 0 ? 1 : 0);
+ vcr_draw_bar(chart->vcr, VCR_LAYER_GRAPHB, row, b_t, b_fraction > 0 ? 1 : 0);
}
/* helper for marking a finish line at the current phase for the specified row */
static void mark_finish(vwm_charts_t *charts, vwm_chart_t *chart, int row)
{
- vwm_xserver_t *xserver = charts->xserver;
-
- XRenderComposite(xserver->display, PictOpSrc, charts->finish_fill, None, chart->grapha_picture,
- 0, 0, /* src x, y */
- 0, 0, /* mask x, y */
- chart->phase, row * CHART_ROW_HEIGHT, /* dst x, y */
- 1, CHART_ROW_HEIGHT - 1);
- XRenderComposite(xserver->display, PictOpSrc, charts->finish_fill, None, chart->graphb_picture,
- 0, 0, /* src x, y */
- 0, 0, /* mask x, y */
- chart->phase, row * CHART_ROW_HEIGHT, /* dst x, y */
- 1, CHART_ROW_HEIGHT - 1);
+ vcr_mark_finish_line(chart->vcr, VCR_LAYER_GRAPHA, row);
+ vcr_mark_finish_line(chart->vcr, VCR_LAYER_GRAPHB, row);
}
/* helper for drawing a proc's argv @ specified x offset and row on the chart */
static void print_argv(const vwm_charts_t *charts, const vwm_chart_t *chart, int x, int row, const vmon_proc_t *proc, int *res_width)
{
- vwm_xserver_t *xserver = charts->xserver;
- XTextItem items[CHART_MAX_ARGC];
- int nr_items;
-
- argv2xtext(proc, items, NELEMS(items), &nr_items);
- XDrawText(xserver->display, chart->text_pixmap, charts->text_gc,
- x, (row + 1) * CHART_ROW_HEIGHT - 3, /* dst x, y */
- items, nr_items);
-
- /* if the caller wants to know the width, compute it, it's dumb that XDrawText doesn't
- * return the dimensions of what was drawn, fucking xlib.
- */
- if (res_width) {
- int width = 0;
+ vcr_str_t strs[VCR_DRAW_TEXT_N_STRS_MAX];
+ int n_strs;
- for (int i = 0; i < nr_items; i++)
- width += XTextWidth(charts->chart_font, items[i].chars, items[i].nchars) + items[i].delta;
+ assert(chart);
- *res_width = width;
- }
+ proc_argv2strs(proc, strs, NELEMS(strs), &n_strs);
+ vcr_draw_text(chart->vcr, VCR_LAYER_TEXT, x, row, strs, n_strs, res_width);
}
@@ -634,12 +424,10 @@ static unsigned interval_as_hz(vwm_charts_t *charts)
/* draw a process' row slice of a process tree */
static void draw_tree_row(vwm_charts_t *charts, vwm_chart_t *chart, int x, int depth, int row, const vmon_proc_t *proc, int *res_width)
{
- vwm_xserver_t *xserver = charts->xserver;
-
/* only if this process isn't the root process @ the window shall we consider all relational drawing conditions */
if (proc != chart->monitor) {
vmon_proc_t *child, *ancestor, *sibling, *last_sibling = NULL;
- int bar_x = 0, bar_y = (row + 1) * CHART_ROW_HEIGHT;
+ int bar_x = 0, bar_y = (row + 1) * VCR_ROW_HEIGHT;
int sub;
/* XXX: everything done in this code block only dirties _this_ process' row in the rendered chart output */
@@ -647,14 +435,14 @@ static void draw_tree_row(vwm_charts_t *charts, vwm_chart_t *chart, int x, int d
/* walk up the ancestors until reaching chart->monitor, any ancestors we encounter which have more siblings we draw a vertical bar for */
/* this draws the |'s in something like: | | | | comm */
for (sub = 1, ancestor = proc->parent; ancestor && ancestor != chart->monitor; ancestor = ancestor->parent, sub++) {
- bar_x = ((depth - 1) - sub) * (CHART_ROW_HEIGHT / 2) + 4;
+ bar_x = ((depth - 1) - sub) * (VCR_ROW_HEIGHT / 2) + 4;
assert(depth > 0);
/* determine if the ancestor has remaining siblings which are not stale, if so, draw a connecting bar at its depth */
if (proc_has_subsequent_siblings(&charts->vmon, ancestor))
- XDrawLine(xserver->display, chart->text_pixmap, charts->text_gc,
- x + bar_x, bar_y - CHART_ROW_HEIGHT, /* dst x1, y1 */
+ vcr_draw_ortho_line(chart->vcr, VCR_LAYER_TEXT,
+ x + bar_x, bar_y - VCR_ROW_HEIGHT, /* dst x1, y1 */
x + bar_x, bar_y); /* dst x2, y2 (vertical line) */
}
@@ -699,20 +487,20 @@ static void draw_tree_row(vwm_charts_t *charts, vwm_chart_t *chart, int x, int d
/* found a tee is necessary, all that's left is to determine if the tee is a corner and draw it accordingly, stopping the search. */
if (needs_tee) {
- bar_x = (depth - 1) * (CHART_ROW_HEIGHT / 2) + 4;
+ bar_x = (depth - 1) * (VCR_ROW_HEIGHT / 2) + 4;
/* if we're the last sibling, corner the tee by shortening the vbar */
if (proc == last_sibling) {
- XDrawLine(xserver->display, chart->text_pixmap, charts->text_gc,
- x + bar_x, bar_y - CHART_ROW_HEIGHT, /* dst x1, y1 */
+ vcr_draw_ortho_line(chart->vcr, VCR_LAYER_TEXT,
+ x + bar_x, bar_y - VCR_ROW_HEIGHT, /* dst x1, y1 */
x + bar_x, bar_y - 4); /* dst x2, y2 (vertical bar) */
} else {
- XDrawLine(xserver->display, chart->text_pixmap, charts->text_gc,
- x + bar_x, bar_y - CHART_ROW_HEIGHT, /* dst x1, y1 */
+ vcr_draw_ortho_line(chart->vcr, VCR_LAYER_TEXT,
+ x + bar_x, bar_y - VCR_ROW_HEIGHT, /* dst x1, y1 */
x + bar_x, bar_y); /* dst x2, y2 (vertical bar) */
}
- XDrawLine(xserver->display, chart->text_pixmap, charts->text_gc,
+ vcr_draw_ortho_line(chart->vcr, VCR_LAYER_TEXT,
x + bar_x, bar_y - 4, /* dst x1, y1 */
x + bar_x + 2, bar_y - 4); /* dst x2, y2 (horizontal bar) */
@@ -722,7 +510,7 @@ static void draw_tree_row(vwm_charts_t *charts, vwm_chart_t *chart, int x, int d
}
if (res_width)
- *res_width = depth * (CHART_ROW_HEIGHT / 2);
+ *res_width = depth * (VCR_ROW_HEIGHT / 2);
}
}
@@ -734,7 +522,6 @@ static void draw_columns(vwm_charts_t *charts, vwm_chart_t *chart, vwm_column_t
{
vmon_sys_stat_t *sys_stat = charts->vmon.stores[VMON_STORE_SYS_STAT];
vmon_proc_stat_t *proc_stat = proc->stores[VMON_STORE_PROC_STAT];
- vwm_xserver_t *xserver = charts->xserver;
vwm_perproc_ctxt_t *proc_ctxt = proc->foo;
char str[256];
@@ -754,13 +541,9 @@ static void draw_columns(vwm_charts_t *charts, vwm_chart_t *chart, vwm_column_t
* the currently configured columns, but long-term this will have to get fixed properly.
*/
if (c->side == VWM_SIDE_LEFT)
- XRenderFillRectangle(charts->xserver->display, PictOpSrc, chart->text_picture, &chart_trans_color,
- left, row * CHART_ROW_HEIGHT, /* dst x, y */
- c->width + CHART_ROW_HEIGHT / 2, CHART_ROW_HEIGHT); /* dst w, h */
+ vcr_clear_row(chart->vcr, VCR_LAYER_TEXT, row, left, c->width + VCR_ROW_HEIGHT / 2);
else
- XRenderFillRectangle(charts->xserver->display, PictOpSrc, chart->text_picture, &chart_trans_color,
- chart->visible_width - (c->width + CHART_ROW_HEIGHT / 2 + right), row * CHART_ROW_HEIGHT, /* dst x, y */
- c->width + CHART_ROW_HEIGHT / 2, CHART_ROW_HEIGHT); /* dst w, h */
+ vcr_clear_row(chart->vcr, VCR_LAYER_TEXT, row, chart->visible_width - (c->width + VCR_ROW_HEIGHT / 2 + right), c->width + VCR_ROW_HEIGHT / 2);
switch (c->type) {
case VWM_COLUMN_VWM:
@@ -894,9 +677,11 @@ static void draw_columns(vwm_charts_t *charts, vwm_chart_t *chart, vwm_column_t
/* for plain string draws, str_len is left non-zero and they all get handled equally here */
if (str_len) {
- int str_width, xpos;
+ const vcr_str_t strs[1] = { (vcr_str_t){.str = str, .len = str_len} };
+ int str_width, xpos;
- str_width = XTextWidth(charts->chart_font, str, str_len);
+ /* get the width first, so we can place the text, note the -1 to suppress drawings */
+ vcr_draw_text(chart->vcr, VCR_LAYER_TEXT, -1 /* x */, -1 /* row */, strs, 1, &str_width);
if (uniform && str_width > c->width) {
c->width = str_width;
chart->redraw_needed++;
@@ -934,14 +719,12 @@ static void draw_columns(vwm_charts_t *charts, vwm_chart_t *chart, vwm_column_t
assert(0);
}
- XDrawString(xserver->display, chart->text_pixmap, charts->text_gc,
- xpos, (row + 1) * CHART_ROW_HEIGHT - 3,
- str, str_len);
+ vcr_draw_text(chart->vcr, VCR_LAYER_TEXT, xpos, row, strs, 1, NULL);
}
if (advance) {
- left += (c->side == VWM_SIDE_LEFT) * (c->width + CHART_ROW_HEIGHT / 2);
- right += (c->side == VWM_SIDE_RIGHT) * (c->width + CHART_ROW_HEIGHT / 2);
+ left += (c->side == VWM_SIDE_LEFT) * (c->width + VCR_ROW_HEIGHT / 2);
+ right += (c->side == VWM_SIDE_RIGHT) * (c->width + VCR_ROW_HEIGHT / 2);
}
}
}
@@ -1014,9 +797,7 @@ static void draw_overlay_row(vwm_charts_t *charts, vwm_chart_t *chart, vmon_proc
return;
if (!proc->is_new) /* XXX for now always clear the row, this should be capable of being optimized in the future (if the datums driving the text haven't changed...) */
- XRenderFillRectangle(charts->xserver->display, PictOpSrc, chart->text_picture, &chart_trans_color,
- 0, row * CHART_ROW_HEIGHT, /* dst x, y */
- chart->width, CHART_ROW_HEIGHT); /* dst w, h */
+ vcr_clear_row(chart->vcr, VCR_LAYER_TEXT, row, -1, -1);
draw_columns(charts, chart, chart->columns, depth, row, proc);
shadow_row(charts, chart, row);
@@ -1073,10 +854,7 @@ static void draw_chart_rest(vwm_charts_t *charts, vwm_chart_t *chart, vmon_proc_
mark_finish(charts, chart, (*row));
/* extract the row from the various layers */
- snowflake_row(charts, chart, chart->grapha_picture, 1, (*row));
- snowflake_row(charts, chart, chart->graphb_picture, 1, (*row));
- snowflake_row(charts, chart, chart->text_picture, 0, (*row));
- snowflake_row(charts, chart, chart->shadow_picture, 0, (*row));
+ snowflake_row(charts, chart, (*row));
chart->snowflakes_cnt++;
/* stamp the name (and whatever else we include) into chart.text_picture */
@@ -1096,10 +874,7 @@ static void draw_chart_rest(vwm_charts_t *charts, vwm_chart_t *chart, vmon_proc_
/* what to do when a process has been introduced */
VWM_TRACE("%i is new", proc->pid);
- allocate_row(charts, chart, chart->grapha_picture, (*row));
- allocate_row(charts, chart, chart->graphb_picture, (*row));
- allocate_row(charts, chart, chart->text_picture, (*row));
- allocate_row(charts, chart, chart->shadow_picture, (*row));
+ allocate_row(charts, chart, (*row));
chart->hierarchy_end++;
}
@@ -1147,7 +922,6 @@ static void draw_chart_rest(vwm_charts_t *charts, vwm_chart_t *chart, vmon_proc_
/* recursive draw function entrypoint, draws the IOWait/Idle/HZ row, then enters draw_chart_rest() */
static void draw_chart(vwm_charts_t *charts, vwm_chart_t *chart, vmon_proc_t *proc, int *depth, int *row)
{
- vwm_xserver_t *xserver = charts->xserver;
int prev_redraw_needed;
/* CPU utilization graphs */
@@ -1156,9 +930,7 @@ static void draw_chart(vwm_charts_t *charts, vwm_chart_t *chart, vmon_proc_t *pr
/* only draw the \/\/\ and HZ if necessary */
if (chart->redraw_needed || charts->prev_sampling_interval != charts->sampling_interval) {
- XRenderFillRectangle(xserver->display, PictOpSrc, chart->text_picture, &chart_trans_color,
- 0, 0, /* dst x, y */
- chart->visible_width, CHART_ROW_HEIGHT); /* dst w, h */
+ vcr_clear_row(chart->vcr, VCR_LAYER_TEXT, 0, -1, -1);
draw_columns(charts, chart, chart->columns, 0, 0, proc);
shadow_row(charts, chart, 0);
}
@@ -1188,7 +960,6 @@ static void draw_chart(vwm_charts_t *charts, vwm_chart_t *chart, vmon_proc_t *pr
/* consolidated version of chart text and graph rendering, makes snowflakes integration cleaner, this always gets called regardless of the charts mode */
static void maintain_chart(vwm_charts_t *charts, vwm_chart_t *chart)
{
- vwm_xserver_t *xserver = charts->xserver;
int row = 0, depth = 0;
if (!chart->monitor || !chart->monitor->stores[VMON_STORE_PROC_STAT])
@@ -1206,10 +977,7 @@ static void maintain_chart(vwm_charts_t *charts, vwm_chart_t *chart)
* For now, the monitors will just be a little latent in window resizes which is pretty harmless artifact.
*/
- chart->phase += (chart->width - 1); /* simply change this to .phase++ to scroll the other direction */
- chart->phase %= chart->width;
- XRenderFillRectangle(xserver->display, PictOpSrc, chart->grapha_picture, &chart_trans_color, chart->phase, 0, 1, chart->height);
- XRenderFillRectangle(xserver->display, PictOpSrc, chart->graphb_picture, &chart_trans_color, chart->phase, 0, 1, chart->height);
+ vcr_advance_phase(chart->vcr, -1); /* change this to +1 to scroll the other direction */
/* recursively draw the monitored processes to the chart */
draw_chart(charts, chart, chart->monitor, &depth, &row);
@@ -1238,15 +1006,6 @@ static void proc_sample_callback(vmon_t *vmon, void *sys_cb_arg, vmon_proc_t *pr
}
-/* return the composed height of the chart */
-static int vwm_chart_composed_height(vwm_charts_t *charts, vwm_chart_t *chart)
-{
- int snowflakes = chart->snowflakes_cnt ? 1 + chart->snowflakes_cnt : 0; /* don't include the separator row if there are no snowflakes */
-
- return MIN((chart->hierarchy_end + snowflakes) * CHART_ROW_HEIGHT, chart->visible_height);
-}
-
-
/* reset snowflakes on the specified chart */
void vwm_chart_reset_snowflakes(vwm_charts_t *charts, vwm_chart_t *chart)
{
@@ -1257,89 +1016,15 @@ void vwm_chart_reset_snowflakes(vwm_charts_t *charts, vwm_chart_t *chart)
}
-static void free_chart_pictures(vwm_charts_t *charts, vwm_chart_t *chart)
-{
- vwm_xserver_t *xserver = charts->xserver;
-
- XRenderFreePicture(xserver->display, chart->grapha_picture);
- XRenderFreePicture(xserver->display, chart->graphb_picture);
- XRenderFreePicture(xserver->display, chart->tmp_picture);
- XRenderFreePicture(xserver->display, chart->text_picture);
- XFreePixmap(xserver->display, chart->text_pixmap);
- XRenderFreePicture(xserver->display, chart->shadow_picture);
- XRenderFreePicture(xserver->display, chart->picture);
-
-}
-
-
-static void copy_chart_pictures(vwm_charts_t *charts, vwm_chart_t *src, vwm_chart_t *dest)
-{
- vwm_xserver_t *xserver = charts->xserver;
-
- /* XXX: note the graph pictures are copied from their current phase in the x dimension */
- XRenderComposite(xserver->display, PictOpSrc, src->grapha_picture, None, dest->grapha_picture,
- src->phase, 0, /* src x, y */
- 0, 0, /* mask x, y */
- dest->phase, 0, /* dest x, y */
- src->width, src->height);
- XRenderComposite(xserver->display, PictOpSrc, src->graphb_picture, None, dest->graphb_picture,
- src->phase, 0, /* src x, y */
- 0, 0, /* mask x, y */
- dest->phase, 0, /* dest x, y */
- src->width, src->height);
- XRenderComposite(xserver->display, PictOpSrc, src->text_picture, None, dest->text_picture,
- 0, 0, /* src x, y */
- 0, 0, /* mask x, y */
- 0, 0, /* dest x, y */
- src->width, src->height);
- XRenderComposite(xserver->display, PictOpSrc, src->shadow_picture, None, dest->shadow_picture,
- 0, 0, /* src x, y */
- 0, 0, /* mask x, y */
- 0, 0, /* dest x, y */
- src->width, src->height);
- XRenderComposite(xserver->display, PictOpSrc, src->picture, None, dest->picture,
- 0, 0, /* src x, y */
- 0, 0, /* mask x, y */
- 0, 0, /* dest x, y */
- src->width, src->height);
-}
-
-
/* (re)size the specified chart's visible dimensions */
int vwm_chart_set_visible_size(vwm_charts_t *charts, vwm_chart_t *chart, int width, int height)
{
- if (width != chart->visible_width || height != chart->visible_height)
- chart->redraw_needed = 1;
-
- /* TODO error handling: if a create failed but we had an chart, free whatever we created and leave it be, succeed.
- * if none existed it's a hard error and we must propagate it. */
-
- /* if larger than the charts currently are, enlarge them */
- if (width > chart->width || height > chart->height) {
- vwm_chart_t existing = *chart;
-
- chart->width = MAX(chart->width, MAX(width, CHART_GRAPH_MIN_WIDTH));
- chart->height = MAX(chart->height, MAX(height, CHART_GRAPH_MIN_HEIGHT));
-
- chart->grapha_picture = create_picture_fill(charts, chart->width, chart->height, CHART_MASK_DEPTH, CPRepeat, &pa_repeat, &chart_trans_color, NULL);
- chart->graphb_picture = create_picture_fill(charts, chart->width, chart->height, CHART_MASK_DEPTH, CPRepeat, &pa_repeat, &chart_trans_color, NULL);
- chart->tmp_picture = create_picture(charts, chart->width, CHART_ROW_HEIGHT, CHART_MASK_DEPTH, 0, NULL, NULL);
-
- /* keep the text_pixmap reference around for XDrawText usage */
- chart->text_picture = create_picture_fill(charts, chart->width, chart->height, CHART_MASK_DEPTH, 0, NULL, &chart_trans_color, &chart->text_pixmap);
-
- chart->shadow_picture = create_picture_fill(charts, chart->width, chart->height, CHART_MASK_DEPTH, 0, NULL, &chart_trans_color, NULL);
- chart->picture = create_picture(charts, chart->width, chart->height, 32, 0, NULL, NULL);
-
- if (existing.width) {
- copy_chart_pictures(charts, &existing, chart);
- free_chart_pictures(charts, &existing);
- }
- }
-
chart->visible_width = width;
chart->visible_height = height;
+ if (vcr_resize_visible(chart->vcr, width, height) > 0)
+ chart->redraw_needed = 1;
+
return 1;
}
@@ -1394,6 +1079,8 @@ vwm_chart_t * vwm_chart_create(vwm_charts_t *charts, int pid, int width, int hei
chart->hierarchy_end = 1 + count_rows(chart->monitor);
chart->gen_last_composed = -1;
+ chart->vcr = vcr_new(charts->vcr_backend, &chart->hierarchy_end, &chart->snowflakes_cnt);
+
if (!vwm_chart_set_visible_size(charts, chart, width, height)) {
VWM_ERROR("Unable to set initial chart size");
goto _err_unmonitor;
@@ -1416,19 +1103,17 @@ _err:
void vwm_chart_destroy(vwm_charts_t *charts, vwm_chart_t *chart)
{
vmon_proc_unmonitor(&charts->vmon, chart->monitor, (void (*)(vmon_t *, void *, vmon_proc_t *, void *))proc_sample_callback, chart);
- free_chart_pictures(charts, chart);
+ vcr_free(chart->vcr);
+ free(chart->name);
free(chart);
}
/* this composes the maintained chart into the base chart picture, this gets called from paint_all() on every repaint of xwin */
/* we noop the call if the gen_last_composed and monitor->proc.generation numbers match, indicating there's nothing new to compose. */
-void vwm_chart_compose(vwm_charts_t *charts, vwm_chart_t *chart, XserverRegion *res_damaged_region)
+void vwm_chart_compose(vwm_charts_t *charts, vwm_chart_t *chart)
{
- vwm_xserver_t *xserver = charts->xserver;
- int height;
-
- if (!chart->width || !chart->height)
+ if (!chart->visible_width || !chart->visible_height)
return;
if (chart->gen_last_composed == chart->monitor->generation)
@@ -1438,114 +1123,31 @@ void vwm_chart_compose(vwm_charts_t *charts, vwm_chart_t *chart, XserverRegion *
//VWM_TRACE("composing %p", chart);
- height = vwm_chart_composed_height(charts, chart);
-
- /* fill the chart picture with the background */
- XRenderComposite(xserver->display, PictOpSrc, charts->bg_fill, None, chart->picture,
- 0, 0,
- 0, 0,
- 0, 0,
- chart->visible_width, height);
-
- /* draw the graphs into the chart through the stencils being maintained by the sample callbacks */
- XRenderComposite(xserver->display, PictOpOver, charts->grapha_fill, chart->grapha_picture, chart->picture,
- 0, 0,
- chart->phase, 0,
- 0, 0,
- chart->visible_width, height);
- XRenderComposite(xserver->display, PictOpOver, charts->graphb_fill, chart->graphb_picture, chart->picture,
- 0, 0,
- chart->phase, 0,
- 0, 0,
- chart->visible_width, height);
-
- /* draw the shadow into the chart picture using a translucent black source drawn through the shadow mask */
- XRenderComposite(xserver->display, PictOpOver, charts->shadow_fill, chart->shadow_picture, chart->picture,
- 0, 0,
- 0, 0,
- 0, 0,
- chart->visible_width, height);
-
- /* render chart text into the chart picture using a white source drawn through the chart text as a mask, on top of everything */
- XRenderComposite(xserver->display, PictOpOver, charts->text_fill, chart->text_picture, chart->picture,
- 0, 0,
- 0, 0,
- 0, 0,
- chart->visible_width, (chart->hierarchy_end * CHART_ROW_HEIGHT));
-
- XRenderComposite(xserver->display, PictOpOver, charts->snowflakes_text_fill, chart->text_picture, chart->picture,
- 0, 0,
- 0, chart->hierarchy_end * CHART_ROW_HEIGHT,
- 0, chart->hierarchy_end * CHART_ROW_HEIGHT,
- chart->visible_width, height - (chart->hierarchy_end * CHART_ROW_HEIGHT));
-
- /* damage the window to ensure the updated chart is drawn (TODO: this can be done more selectively/efficiently) */
- if (res_damaged_region) {
- XRectangle damage = {};
-
- damage.width = chart->visible_width;
- damage.height = chart->visible_height;
-
- *res_damaged_region = XFixesCreateRegion(xserver->display, &damage, 1);
- }
+ /* FIXME TODO: errors */ (void) vcr_compose(chart->vcr);
}
-/* render the chart into a picture at the specified coordinates and dimensions */
-void vwm_chart_render(vwm_charts_t *charts, vwm_chart_t *chart, int op, Picture dest, int x, int y, int width, int height)
+#ifdef USE_XLIB
+/* xdamage producing variant of the above for vwm composited WM use */
+void vwm_chart_compose_xdamage(vwm_charts_t *charts, vwm_chart_t *chart, XserverRegion *res_damaged_region)
{
- vwm_xserver_t *xserver = charts->xserver;
-
- if (!chart->width || !chart->height)
- return;
-
- /* draw the monitoring chart atop dest, note we stay within the window borders here. */
- XRenderComposite(xserver->display, op, chart->picture, None, dest,
- 0, 0, 0, 0, /* src x,y, maxk x, y */
- x, /* dst x */
- y, /* dst y */
- width, MIN(vwm_chart_composed_height(charts, chart), height) /* FIXME */); /* w, h */
-}
-
-
-/* render the chart into a newly allocated pixmap, intended for snapshotting purposes */
-void vwm_chart_render_as_pixmap(vwm_charts_t *charts, vwm_chart_t *chart, const XRenderColor *bg_color, Pixmap *res_pixmap)
-{
- static const XRenderColor blackness = { 0x0000, 0x0000, 0x0000, 0xFFFF};
- Picture dest;
-
assert(charts);
assert(chart);
- assert(res_pixmap);
+ assert(res_damaged_region);
- if (!bg_color)
- bg_color = &blackness;
-
- dest = create_picture_fill(charts, chart->width, vwm_chart_composed_height(charts, chart), 32, 0, NULL, bg_color, res_pixmap);
- vwm_chart_render(charts, chart, PictOpOver, dest, 0, 0, chart->width, vwm_chart_composed_height(charts, chart));
- XRenderFreePicture(charts->xserver->display, dest);
+ vwm_chart_compose(charts, chart);
+ /* damage the window to ensure the updated chart is drawn (TODO: this can be done more selectively/efficiently) */
+ /* TODO errors: */ (void) vcr_get_composed_xdamage(chart->vcr, res_damaged_region);
}
+#endif
-
-void vwm_chart_render_as_ximage(vwm_charts_t *charts, vwm_chart_t *chart, const XRenderColor *bg_color, XImage **res_ximage)
+/* render the chart into a picture at the specified coordinates and dimensions */
+void vwm_chart_render(vwm_charts_t *charts, vwm_chart_t *chart, vcr_present_op_t op, vcr_dest_t *dest, int x, int y, int width, int height)
{
- Pixmap dest_pixmap;
+ if (!chart->visible_width || !chart->visible_height)
+ return;
- assert(charts);
- assert(chart);
- assert(res_ximage);
-
- vwm_chart_render_as_pixmap(charts, chart, bg_color, &dest_pixmap);
- *res_ximage = XGetImage(charts->xserver->display,
- dest_pixmap,
- 0,
- 0,
- chart->width,
- vwm_chart_composed_height(charts, chart),
- AllPlanes,
- ZPixmap);
-
- XFreePixmap(charts->xserver->display, dest_pixmap);
+ vcr_present(chart->vcr, op, dest, x, y, width, height);
}
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