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 v8 38/44] kernel-shark: Add TextBox class to KsPlot namespace
Date: Mon, 4 Jan 2021 19:47:18 +0200 [thread overview]
Message-ID: <20210104174724.70404-39-y.karadz@gmail.com> (raw)
In-Reply-To: <20210104174724.70404-1-y.karadz@gmail.com>
This class represents a text that is printed/drawn inside a colorful
frame.
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
---
src/KsPlotTools.cpp | 99 +++++++++++++++++++++++++++++++++++++++++++++
src/KsPlotTools.hpp | 40 ++++++++++++++++++
2 files changed, 139 insertions(+)
diff --git a/src/KsPlotTools.cpp b/src/KsPlotTools.cpp
index 6c3902a..ef15cde 100644
--- a/src/KsPlotTools.cpp
+++ b/src/KsPlotTools.cpp
@@ -524,6 +524,105 @@ void Polygon::_draw(const Color &col, float size) const
col.color_c_ptr(),
size);
}
+/** The created object will print/draw only the text without the frame. */
+TextBox::TextBox()
+: _text(""),
+ _font(nullptr)
+{
+ setPos(Point(0, 0));
+ _box._visible = false;
+}
+
+
+/** The created object will print/draw only the text without the frame. */
+TextBox::TextBox(ksplot_font *f)
+: _text(""),
+ _font(f)
+{
+ setPos(Point(0, 0));
+ _box._visible = false;
+}
+
+/** The created object will print/draw only the text without the frame. */
+TextBox::TextBox(ksplot_font *f, const std::string &text, const Point &pos)
+: _text(text),
+ _font(f)
+{
+ setPos(pos);
+ _box._visible = false;
+}
+
+/** The created object will print/draw only the text without the frame. */
+TextBox::TextBox(ksplot_font *f, const std::string &text, const Color &col,
+ const Point &pos)
+: _text(text),
+ _font(f)
+{
+ _color = col;
+ setPos(pos);
+ _box._visible = false;
+}
+
+/** The created object will print/draw the text and the frame. */
+TextBox::TextBox(ksplot_font *f, const std::string &text, const Color &col,
+ const Point &pos, int l, int h)
+: _text(text),
+ _font(f)
+{
+ setPos(pos);
+ setBoxAppearance(col, l, h);
+}
+
+/**
+ * @brief Set the position of the bottom-left corner of the frame.
+ *
+ * @param p: The coordinates of the bottom-left corner.
+ */
+void TextBox::setPos(const Point &p)
+{
+ _box.setPoint(0, p);
+}
+
+/**
+ * @brief Set the color and the dimensions of the frame.
+ *
+ * @param col: The color of the frame.
+ * @param l: The length of the frame.
+ * @param h: The height of the frame.
+ */
+void TextBox::setBoxAppearance(const Color &col, int l, int h)
+{
+ _box.setFill(true);
+ _box._color = col;
+ _box._visible = true;
+
+ if (h <= 0 && _font)
+ h = _font->height;
+
+ _box.setPoint(1, _box.getPointX(0), _box.getPointY(0) - h);
+ _box.setPoint(2, _box.getPointX(0) + l, _box.getPointY(0) - h);
+ _box.setPoint(3, _box.getPointX(0) + l, _box.getPointY(0));
+}
+
+void TextBox::_draw(const Color &col, float size) const
+{
+ _box.draw();
+ if (!_font || _text.empty())
+ return;
+
+ if (_box._visible ) {
+ int bShift = (_box.getPointY(0) - _box.getPointY(1) - _font->height) / 2;
+ ksplot_print_text(_font, NULL,
+ _box.getPointX(0) + _font->height / 4,
+ _box.getPointY(0) - _font->base - bShift,
+ _text.c_str());
+ } else {
+ ksplot_print_text(_font, col.color_c_ptr(),
+ _box.getPointX(0) + _font->height / 4,
+ _box.getPointY(0) - _font->base,
+ _text.c_str());
+ }
+}
/**
* @brief Create a default Mark.
diff --git a/src/KsPlotTools.hpp b/src/KsPlotTools.hpp
index 7ffabd8..b270a56 100644
--- a/src/KsPlotTools.hpp
+++ b/src/KsPlotTools.hpp
@@ -307,6 +307,46 @@ public:
virtual ~Rectangle() {}
};
+/**
+ * This class represents a text that is printed/drawn inside a colorful frame.
+ */
+class TextBox : public PlotObject {
+public:
+ TextBox();
+
+ TextBox(ksplot_font *f);
+
+ TextBox(ksplot_font *f, const std::string &text, const Point &pos);
+
+ TextBox(ksplot_font *f, const std::string &text, const Color &col,
+ const Point &pos);
+
+ TextBox(ksplot_font *f, const std::string &text, const Color &col,
+ const Point &pos, int l, int h = -1);
+
+ /** Destroy the TextBox object. Keep this destructor virtual. */
+ virtual ~TextBox() {}
+
+ /** Set the font to be used. */
+ void setFont(ksplot_font *f) {_font = f;}
+
+ /** Set the text. */
+ void setText(const std::string &t) {_text = t;}
+
+ void setPos(const Point &p);
+
+ void setBoxAppearance(const Color &col, int l, int h);
+
+private:
+ void _draw(const Color &, float size = 1.) const override;
+
+ std::string _text;
+
+ ksplot_font *_font;
+
+ Rectangle _box;
+};
+
/**
* This class represents the graphical element of the KernelShark GUI marker.
*/
--
2.25.1
next prev parent reply other threads:[~2021-01-04 17:49 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-04 17:46 [PATCH v8 00/44] Start KernelShark v2 transformation Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 01/44] kernel-shark: Adopt trace-cmd API changes Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 02/44] kernel-shark: Use libtraceevent and libtracefs Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 03/44] kernel-shark: Add license information Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 04/44] kernel-shark: Change the CMake minimum version required Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 05/44] kernel-shark: Change default libraries install location Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 06/44] kernel-shark: Split the installation in two components Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 07/44] kernel-shark: Update README Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 08/44] kernel-shark: Define build target for JSONC Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 09/44] kernel-shark: Use only signed types in kshark_entry Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 10/44] kernel-shark: Add stream_id to kshark_entry Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 11/44] kernel-shark: Introduce libkshark-hash Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 12/44] kernel-shark: Introduce Data streams Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 13/44] kernel-shark: Rename static methods in libkshark Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 14/44] kernel-shark: Add basic methods for Data streams Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 15/44] kernel-shark: Housekeeping before implementing stream interface Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 16/44] kernel-shark: Add stream interface for trace-cmd data Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 17/44] kernel-shark: Start introducing KernelShark 2.0 Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 18/44] kernel-shark: Start using data streams Yordan Karadzhov (VMware)
2021-01-04 17:46 ` [PATCH v8 19/44] kernel-shark: Remove dead code Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 20/44] kernel-shark: Redesign the plugin interface Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 21/44] kernel-shark: Complete the stream integration Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 22/44] kernel-shark: Provide merging of multiple data streams Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 23/44] kernel-shark: Integrate the stream definitions with data model Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 24/44] kernel-shark: Use only signed types for model defs Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 25/44] kernel-shark: Add ksmodel_get_bin() Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 26/44] kernel-shark: Protect ksmodel_set_in_range_bining() Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 27/44] kernel-shark: Add methods for time calibration Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 28/44] kernel-shark: Integrate streams with libkshark-configio Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 29/44] kernel-shark: Add support for drawing text Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 30/44] kernel-shark: Make GLUT optional dependency Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 31/44] kernel-shark: Add ksplot_draw_polyline() Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 32/44] kernel-shark: Optimize ksplot_draw_polygon() Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 33/44] kernel-shark: Add basic infrastructure for testing Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 34/44] kernel-shark: Add "github Actions" workflow Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 35/44] kernel-shark: Integrate streams with KsPlotTools Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 36/44] kernel-shark: Add getStreamColorTable() Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 37/44] kernel-shark: Redefine the args of KsPlot::getColor() Yordan Karadzhov (VMware)
2021-01-04 17:47 ` Yordan Karadzhov (VMware) [this message]
2021-01-04 17:47 ` [PATCH v8 39/44] kernel-shark: Consistent method naming in KsPlotTools Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 40/44] kernel-shark: Make the label part of the graph Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 41/44] kernel-shark: Remove the hard-coded Idle PID Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 42/44] kernel-shark: Add class Polyline to KsPlot namespace Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 43/44] kernel-shark: Add VirtBridge and VirtGap classes Yordan Karadzhov (VMware)
2021-01-04 17:47 ` [PATCH v8 44/44] kernel-shark: Add double click interface to PlotObject Yordan Karadzhov (VMware)
2021-01-05 0:27 ` [PATCH v8 00/44] Start KernelShark v2 transformation Steven Rostedt
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