diff -r dc33f8a707c4 -r 59b6027b9843 src/gl/axesprogram.cpp
--- a/src/gl/axesprogram.cpp	Sun Jun 26 20:54:09 2022 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,162 +0,0 @@
-/*
- *  LDForge: LDraw parts authoring CAD
- *  Copyright (C) 2020 Teemu Piippo
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "gl/partrenderer.h"
-#include <QPainter>
-#include <QPainterPath>
-#include "axesprogram.h"
-
-static constexpr char vertexShaderSource[] = R"(
-#version 330 core
-
-layout (location = 0) in vec3 in_position;
-layout (location = 1) in vec3 in_color;
-uniform mat4 mvp;
-smooth out vec3 ex_color;
-
-void main()
-{
-	gl_Position = mvp * vec4(in_position, 1.0);
-	ex_color = in_color;
-}
-)";
-
-static constexpr char fragmentShaderSource[] = R"(
-#version 330 core
-
-out vec4 color;
-smooth in vec3 ex_color;
-
-void main(void)
-{
-	color = vec4(ex_color, 1);
-}
-)";
-
-void AxesLayer::initializeGL()
-{
-	constexpr struct VertexType
-	{
-		glm::vec3 position;
-		glm::vec3 color;
-	} data[] = {
-		{{10000, 0, 0}, {1, 0, 0}},
-		{{0, 0, 0}, {1, 0, 0}},
-		{{-10000, 0, 0}, {0.5, 0, 0}},
-		{{0, 0, 0}, {0.5, 0, 0}},
-		{{0, 10000, 0}, {0, 1, 0}},
-		{{0, 0, 0}, {0, 1, 0}},
-		{{0, -10000, 0}, {0, 0.5, 0}},
-		{{0, 0, 0}, {0, 0.5, 0}},
-		{{0, 0, 10000}, {0, 0, 1}},
-		{{0, 0, 0}, {0, 0, 1}},
-		{{0, 0, -10000}, {0, 0, 0.5}},
-		{{0, 0, 0}, {0, 0, 0.5}},
-	};
-	constexpr int stride = sizeof(VertexType);
-	this->shader.initialize(
-		::vertexShaderSource,
-		::fragmentShaderSource,
-		QOpenGLBuffer::StaticDraw,
-		{
-			GLAttributeSpec{
-				.type = GL_FLOAT,
-				.offset = offsetof(VertexType, position),
-				.tuplesize = 3,
-				.stride = stride,
-			},
-			{
-				.type = GL_FLOAT,
-				.offset = offsetof(VertexType, color),
-				.tuplesize = 3,
-				.stride = stride,
-			},
-		});
-	this->shader.bufferData(&data[0], countof(data), sizeof data[0]);
-}
-
-void AxesLayer::overpaint(QPainter* painter)
-{
-	painter->save();
-	QFont font;
-	font.setStyle(QFont::StyleItalic);
-	font.setBold(true);
-	painter->setFont(font);
-	QFontMetrics fontMetrics{font};
-	const auto renderText = [&](const QString& text, const PointOnRectagle& intersection)
-	{
-		QPointF position = toQPointF(intersection.position);
-		const RectangleSide side = intersection.side;
-		switch (side)
-		{
-		case RectangleSide::Top:
-			position += QPointF{0, static_cast<qreal>(fontMetrics.ascent())};
-			break;
-		case RectangleSide::Left:
-			break;
-		case RectangleSide::Bottom:
-			position += QPointF{0, static_cast<qreal>(-fontMetrics.descent())};
-			break;
-		case RectangleSide::Right:
-			position += QPointF{static_cast<qreal>(-fontMetrics.horizontalAdvance(text)), 0};
-			break;
-		}
-		drawBorderedText(painter, position, font, text);
-	};
-	const QRectF box {QPointF{0, 0}, sizeToSizeF(this->renderer->size())};
-	const QPointF p1 = this->renderer->modelToScreenCoordinates(glm::vec3{0, 0, 0});
-	static const struct
-	{
-		QString text;
-		glm::vec3 direction;
-	} directions[] =
-	{
-		{"+x", {1, 0, 0}},
-		{"-x", {-1, 0, 0}},
-		{"+y", {0, 1, 0}},
-		{"-y", {0, -1, 0}},
-		{"+z", {0, 0, 1}},
-		{"-z", {0, 0, -1}},
-	};
-	for (const auto& axis : directions)
-	{
-		const QPointF x_p = this->renderer->modelToScreenCoordinates(axis.direction);
-		const auto intersection = rayRectangleIntersection(
-			rayFromPoints(toVec2(p1), toVec2(x_p)),
-			box);
-		if (intersection.has_value())
-		{
-			renderText(axis.text, *intersection);
-		}
-	}
-	painter->restore();
-}
-
-void AxesLayer::paintGL()
-{
-	glLineWidth(5);
-	glEnable(GL_LINE_SMOOTH);
-	glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
-	this->shader.draw(GL_LINES);
-	glDisable(GL_LINE_SMOOTH);
-}
-
-void AxesLayer::mvpMatrixChanged(const glm::mat4& mvpMatrix)
-{
-	this->shader.setMvpMatrix(mvpMatrix);
-}