/****************************************************************************** * * Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer. * * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * TextureSubImage.cpp * *****************************************************************************/ #include <oz++/StringT.h> #include <oz++/motif/XtSmartPtr.h> #include <oz++/motif/FileDialog.h> #include <oz++/motif/PopupMenu.h> #include <oz++/opengl/OpenGLMainView.h> #include <oz++/opengl/OpenGLView.h> #include <oz++/opengl/OpenGLGC.h> #include <oz++/opengl/OpenGLTexture2D.h> namespace OZ { class MainView :public OpenGLMainView { private: //Inner class starts. class SimpleView :public OpenGLView { OpenGLGC gc; SmartPtr<OpenGLTexture2D> texture; public: virtual void display() { gc.clearColor(1.0, 1.0, 1.0, 1.0); gc.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); gc.color(1.0, 1.0, 1.0); // gc.rotate(5.0, 0.5, 1.0, 0.25); gc.normal(0.0, 0.0, 1.0); gc.begin(GL_QUADS); texture -> coord(0.0, 0.0); gc.vertex(-1.0, 1.0, 0.0); texture -> coord(1.0, 0.0); gc.vertex( 1.0, 1.0, 0.0); texture -> coord(1.0, 1.0); gc.vertex( 1.0, -1.0, 0.0); texture -> coord(0.0, 1.0); gc.vertex(-1.0, -1.0, 0.0); gc.end(); } virtual void resize(int w, int h) { if (w == 0 || h == 0) { return; } gc.matrixMode(GL_PROJECTION); gc.loadIdentity(); gc.ortho(-1.25, 1.25, -1.25, 1.25, 1., 20.); gc.matrixMode(GL_MODELVIEW); gc.loadIdentity(); gc.lookAt(0., 0., 10., 0., 0., 0., 0., 1., 0.); } virtual void initialize() { gc.enable(GL_DEPTH_TEST); gc.enable(GL_TEXTURE_2D); createTexture("./images/Flower.png"); //createTexture("./images/Dragonfly.png"); setSubImage("./images/Nanten.png", 0, 20, 20); setSubImage("./images/Ring.png", 0, 480, 100); } public: void createTexture(const char* filename) { texture = new OpenGLTexture2D(); texture -> bind(); texture -> parameter(GL_TEXTURE_MIN_FILTER, GL_LINEAR); texture -> parameter(GL_TEXTURE_MAG_FILTER, GL_LINEAR); texture -> env(GL_TEXTURE_ENV_MODE, GL_MODULATE); try { texture -> imageFromPNGFile(filename); } catch (Exception& ex) { caught(ex); } } public: void setSubImage(const char* filename, GLint level, GLint offset, GLint yoffset) { try { texture -> subImageFromPNGFile(filename, level, offset, yoffset); } catch (Exception& ex) { caught(ex); } } public: SimpleView(OpenGLMainView* parent, const char* name, Args& args) :OpenGLView(parent, name, args) { } ~SimpleView() { } }; //Inner class ends. private: SmartPtr<SimpleView> view; SmartPtr<PopupMenu> popupMenu; SmartPtr<FileDialog> saveDialog; int menuId; StringT<char> fileName; typedef enum { SAVEAS_JPG = 300, SAVEAS_PNG, HELP } POPUPMENU_ID; void edit(Action& action) { menuId = action.getClientIntData(); switch(menuId) { case SAVEAS_JPG: { printf("SaveAs JPG\n"); saveDialog -> manage(); } break; case SAVEAS_PNG:{ printf("SaveAs PNG\n"); saveDialog -> manage(); } break; case HELP: { printf("Not implemented yet\n"); } break; } } void ok(Action& action) { XmFileSelectionBoxCallbackStruct* cbs = (XmFileSelectionBoxCallbackStruct*)action.getCallData(); StringT<char> charString; CompoundString cs(cbs->value, charString); printf("charString %s\n", (const char*)charString); const char* filename = (const char*)charString; printf("filename: %s\n", filename); if (menuId == SAVEAS_JPG && charString.endsWithIgnoreCase(".jpg")) { fileName = filename; view -> save(filename); saveDialog -> unmanage(); } else if (menuId == SAVEAS_PNG && charString.endsWithIgnoreCase(filename, ".png")) { fileName = filename; view -> save(filename); saveDialog -> unmanage(); } else { printf("Invalid filename %s\n", filename); } } void cancel(Action& action) { saveDialog -> unmanage(); } public: MainView(OpenGLApplication& applet, const char* name, Args& args) :OpenGLMainView(applet, name, args), menuId(0) { Args ar; ar.set(XmNopenGLBufferType, (XtArgVal)getBufferType()); view = new SimpleView(this, "", ar); static MenuItem items[] = { {PUSHBUTTON, "saveasJPG", "SaveAS JPG", SAVEAS_JPG, ZERO}, {PUSHBUTTON, "saveasPNG", "SaveAS PNG", SAVEAS_PNG, ZERO}, {PUSHBUTTON, "help", "Help", HELP, ZERO} }; ar.reset(); popupMenu = new PopupMenu(view, "popupm", ar); popupMenu -> addItem(items, XtNumber(items), this, (Callback)&MainView::edit); view -> addEventHandler(ButtonPressMask, popupMenu, (Handler)&PopupMenu::popup, NULL); ar.reset(); saveDialog = new FileDialog(view, "FileSaveDialog", ar); saveDialog -> getFileBox() -> addCallback(XmNokCallback, this, (Callback)&MainView::ok, NULL); saveDialog -> getFileBox() -> addCallback(XmNcancelCallback, this, (Callback)&MainView::cancel, NULL); } ~MainView() { } }; } // int main(int argc, char** argv) { try { const char* appclass = argv[0]; OpenGLApplication applet(appclass, argc, argv); Args args; args.set(XmNgeometry, "500x300"); MainView view(applet, argv[0], args); view.realize(); applet.run(); } catch (Exception& ex) { caught(ex); } return 0; }