git-svn-id: svn://db.shs.com.ru/libs@626 a8b55f48-bf90-11e4-a774-851b48703e85

qglengine/gltexture_manager.h

@@ -0,0 +1,64 @@
+/*
+    QGLView
+    Copyright (C) 2019  Ivan Pelipenko peri4ko@yandex.ru
+
+    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/>.
+*/
+
+#ifndef GLTEXTUREMANAGER_H
+#define GLTEXTUREMANAGER_H
+
+#include <QOpenGLExtraFunctions>
+#include <QDir>
+#include <QMap>
+#include <QFileInfo>
+#include <QImage>
+
+
+class TextureManager {
+public:
+	TextureManager(QOpenGLExtraFunctions * f_): f(f_) {}
+	virtual ~TextureManager() {}
+
+	void addSearchPath(const QString & path) {search_pathes << path;}
+	static QStringList searchPathes() {return search_pathes;}
+	QString findFile(const QString & path);
+	GLuint loadTexture(const QString & path, bool ownership = true, bool bump = false);
+	GLuint loadTexture(const QImage & image, bool ownership = true, bool bump = false);
+	QImage loadTextureImage(const QString & path, bool bump = false);
+	void reloadTexture(GLuint tid, const QString & path);
+	void reloadTexture(GLuint tid, const QImage & image);
+	int    textureID   (const QString & path, bool bump = false) {return tex_ids[bump ? 1 : 0][path];}
+	QImage textureImage(const QString & path, bool bump = false) {return tex_im [bump ? 1 : 0][path];}
+	void addTexture(const QString & path) {tex_pathes << path;}
+	bool loadTextures();
+	void deleteTextures();
+	void deleteTexture(const QString & name);
+	void clearImageCache();
+
+protected:
+	static void convertToNormal(QImage & im);
+
+	static QStringList search_pathes;
+
+	QMap<QString, GLuint> tex_ids[2];
+	QMap<QString, QImage> tex_im [2];
+	QStringList tex_pathes;
+
+	QOpenGLExtraFunctions * f;
+
+};
+
+
+#endif // GLTEXTUREMANAGER_H