From: "Yordan Karadzhov (VMware)" <y.karadz@gmail.com>
To: rostedt@goodmis.org
Cc: linux-trace-devel@vger.kernel.org,
"Yordan Karadzhov (VMware)" <y.karadz@gmail.com>
Subject: [PATCH v7 28/32] kernel-shark: Add ksplot_draw_polyline()
Date: Fri, 11 Dec 2020 17:07:52 +0200 [thread overview]
Message-ID: <20201211150756.577366-29-y.karadz@gmail.com> (raw)
In-Reply-To: <20201211150756.577366-1-y.karadz@gmail.com>
The method draws continuous line between an ordered array of
points (poly-line).
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
---
src/libkshark-plot.c | 32 ++++++++++++++++++++++++++------
src/libkshark-plot.h | 5 +++++
2 files changed, 31 insertions(+), 6 deletions(-)
diff --git a/src/libkshark-plot.c b/src/libkshark-plot.c
index c9a3530..597e5c2 100644
--- a/src/libkshark-plot.c
+++ b/src/libkshark-plot.c
@@ -151,6 +151,30 @@ void ksplot_draw_line(const struct ksplot_point *a,
glEnd();
}
+/**
+ * @brief Draw the a polyline.
+ *
+ * @param points: Input location for the array of points defining the polyline.
+ * @param n_points: The size of the array of points.
+ * @param col: The color of the polyline.
+ * @param size: The size of the polyline.
+ */
+void ksplot_draw_polyline(const struct ksplot_point *points,
+ size_t n_points,
+ const struct ksplot_color *col,
+ float size)
+{
+ if (!points || !n_points || !col || size < .5f)
+ return;
+
+ /* Loop over the points of the polygon and draw connecting lines. */
+ for(size_t i = 1; i < n_points; ++i)
+ ksplot_draw_line(&points[i - 1],
+ &points[i],
+ col,
+ size);
+}
+
/**
* @brief Draw a polygon.
*
@@ -212,12 +236,8 @@ void ksplot_draw_polygon_contour(const struct ksplot_point *points,
if (!points || !n_points || !col || size < .5f)
return;
- /* Loop over the points of the polygon and draw connecting lines. */
- for(size_t i = 1; i < n_points; ++i)
- ksplot_draw_line(&points[i - 1],
- &points[i],
- col,
- size);
+ /* Loop over the points of the polygon and draw a polyline. */
+ ksplot_draw_polyline(points, n_points, col, size);
/* Close the contour. */
ksplot_draw_line(&points[0],
diff --git a/src/libkshark-plot.h b/src/libkshark-plot.h
index 063740d..d881b20 100644
--- a/src/libkshark-plot.h
+++ b/src/libkshark-plot.h
@@ -72,6 +72,11 @@ void ksplot_draw_line(const struct ksplot_point *a,
const struct ksplot_color *col,
float size);
+void ksplot_draw_polyline(const struct ksplot_point *points,
+ size_t n_points,
+ const struct ksplot_color *col,
+ float size);
+
void ksplot_draw_polygon(const struct ksplot_point *points,
size_t n_points,
const struct ksplot_color *col,
--
2.25.1
next prev parent reply other threads:[~2020-12-11 15:54 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-11 15:07 [PATCH v7 00/32] Start KernelShark v2 transformation Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 01/32] kernel-shark: Add license information Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 02/32] kernel-shark: Change the CMake minimum version required Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 03/32] kernel-shark: Use libtraceevent and libtracefs Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 04/32] kernel-shark: Update README Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 05/32] kernel-shark: Define build target for JSONC Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 06/32] kernel-shark: Use only signed types in kshark_entry Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 07/32] kernel-shark: Add stream_id to kshark_entry Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 08/32] kernel-shark: Introduce libkshark-hash Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 09/32] kernel-shark: Introduce Data streams Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 10/32] kernel-shark: Rename static methods in libkshark Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 11/32] kernel-shark: Add basic methods for Data streams Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 12/32] kernel-shark: Housekeeping before implementing stream interface Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 13/32] kernel-shark: Add stream interface for trace-cmd data Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 14/32] kernel-shark: Start introducing KernelShark 2.0 Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 15/32] kernel-shark: Start using data streams Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 16/32] kernel-shark: Remove dead code Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 17/32] kernel-shark: Redesign the plugin interface Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 18/32] kernel-shark: Complete the stream integration Yordan Karadzhov (VMware)
2020-12-11 21:51 ` Steven Rostedt
2020-12-11 21:56 ` Steven Rostedt
2020-12-11 15:07 ` [PATCH v7 19/32] kernel-shark: Provide merging of multiple data streams Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 20/32] kernel-shark: Integrate the stream definitions with data model Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 21/32] kernel-shark: Use only signed types for model defs Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 22/32] kernel-shark: Add ksmodel_get_bin() Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 23/32] kernel-shark: Protect ksmodel_set_in_range_bining() Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 24/32] kernel-shark: Add methods for time calibration Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 25/32] kernel-shark: Integrate streams with libkshark-configio Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 26/32] kernel-shark: Add support for drawing text Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 27/32] kernel-shark: Make GLUT optional dependency Yordan Karadzhov (VMware)
2020-12-11 15:07 ` Yordan Karadzhov (VMware) [this message]
2020-12-11 15:07 ` [PATCH v7 29/32] kernel-shark: Optimize ksplot_draw_polygon() Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 30/32] kernel-shark: Do not use the ARRAY_SIZE macro Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 31/32] kernel-shark: Add basic infrastructure for testing Yordan Karadzhov (VMware)
2020-12-11 15:07 ` [PATCH v7 32/32] kernel-shark: Add "github Actions" workflow Yordan Karadzhov (VMware)
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