From ef309c3240daa9711cfc25c11f58843838c297e7 Mon Sep 17 00:00:00 2001 From: seba Date: Sun, 10 Feb 2008 20:50:42 +0100 Subject: [PATCH] GLSDLScreen Funktioniert Testprog ist ein Testprogramm, erstellt ein Fenster --- Makefile | 16 ++++--- glgui/Makefile | 6 +-- glgui/button.h | 2 +- glsdlscreen.cpp | 119 ++++++++++++++++++++++++++++++++++++++++++++++++ glsdlscreen.h | 39 ++++++++++++++++ testprog.cpp | 12 +++++ testprog.h | 0 7 files changed, 184 insertions(+), 10 deletions(-) create mode 100644 glsdlscreen.cpp create mode 100644 glsdlscreen.h create mode 100644 testprog.cpp create mode 100644 testprog.h diff --git a/Makefile b/Makefile index 3d9f286..b038ac4 100755 --- a/Makefile +++ b/Makefile @@ -1,14 +1,15 @@ COMPILER = g++ -OBJECTS = emath.o emath_opengl.o glcolor.o gldrawhelper.o glfontengine.o glrect.o gltexture.o matrix.o quaternion.o rotationsmatrix.o glgui/glgui.a +OBJECTS = emath.o emath_opengl.o glcolor.o gldrawhelper.o glfontengine.o glrect.o gltexture.o matrix.o quaternion.o rotationsmatrix.o glsdlscreen.o sdlfuncs.o glgui/glgui.a VERSION = 0.0.1 -LIBNAME = segl +LIBNAME = libsegl -sgllib: $(OBJECTS) +segllib: $(OBJECTS) -sglar: $(OBJECTS) - rm -f lib$(LIBNAME).a - ar rfc lib$(LIBNAME).a $(OBJECTS) +seglar: $(OBJECTS) + rm -f $(LIBNAME).a + ar rcs $(LIBNAME).a $(OBJECTS) +# ranlib $(LIBNAME).a %.o: %.cpp %.h $(COMPILER) -c `sdl-config --cflags` $< @@ -17,6 +18,9 @@ sglar: $(OBJECTS) glgui/glgui.a: cd glgui; $(MAKE); +testprog: seglar testprog.o + g++ `sdl-config --libs` -lSDL_image -lGL -lGLU testprog.o -o testprog $(LIBNAME).a + clean: rm -f $(OBJECTS) cd glgui; $(MAKE) clean diff --git a/glgui/Makefile b/glgui/Makefile index ae867f7..e525db0 100755 --- a/glgui/Makefile +++ b/glgui/Makefile @@ -1,9 +1,9 @@ -# COMPILER = g++ +COMPILER = g++ OBJECTS = button.o object.o textlabel.o window.o glguilib: $(OBJECTS) - rm glgui.a -f - ar rfc glgui.a $(OBJECTS) +# rm glgui.a -f + ar crus glgui.a $(OBJECTS) %.o: %.cpp %.h $(COMPILER) -c `sdl-config --cflags` $< diff --git a/glgui/button.h b/glgui/button.h index a705d4c..39ff8fa 100644 --- a/glgui/button.h +++ b/glgui/button.h @@ -22,7 +22,7 @@ class GLGuiButton : public GLGuiTextLabel { void setHighlightColor(); void onMouseOver(int m_x, int m_y); - void onMouseClick(int m_x, int m_y); + void onMouseClick(int m_x, int m_y, int m_button); }; #endif diff --git a/glsdlscreen.cpp b/glsdlscreen.cpp new file mode 100644 index 0000000..b406ae2 --- /dev/null +++ b/glsdlscreen.cpp @@ -0,0 +1,119 @@ +#include "glsdlscreen.h" + +GLSDLScreen::GLSDLScreen() { + width = 0; + height = 1; + bpp = 16; + znear = 1.0f; + zfar = 100.0f; + + opengl = false; + glsetup = true; + resizable = false; + fullscreen = false; + + extraglparam = 0; +} + + +int GLSDLScreen::getFlags() { + const SDL_VideoInfo *videoInfo = SDL_GetVideoInfo(); + int videoflags = 0; + if(videoInfo->hw_available) + videoflags |= SDL_HWSURFACE; + else + videoflags |= SDL_SWSURFACE; + if(videoInfo->blit_hw) + videoflags |= SDL_HWACCEL; + + if(opengl) { + videoflags |= SDL_OPENGL; + videoflags |= SDL_GL_DOUBLEBUFFER; + videoflags |= SDL_HWPALETTE; + } + + return videoflags; +} +void GLSDLScreen::enableOpenGL(bool w) { + opengl = w; +} + +void GLSDLScreen::enableResizable(bool w) { + resizable = w; +} + +void GLSDLScreen::enableFullscreen(bool w) { + fullscreen = w; +} + +void GLSDLScreen::setGLNearFar(float _znear, float _zfar) { + znear = _znear; + zfar = _zfar; +} + +void GLSDLScreen::enableGLSetup(bool w) { + glsetup = w; +} + +void GLSDLScreen::setExtraGLParamFunc(void (*extrafunc)()) { + extraglparam = extrafunc; +} + +void GLSDLScreen::setVideoMode(int _width, int _height, int _bpp) { + width = _width; + height = _height; + bpp = _bpp; + + if(height==0) + height = 1; +} + +bool GLSDLScreen::isOK() { + return SDL_VideoModeOK(width, height, bpp, getFlags()); +} + +bool GLSDLScreen::apply() { + if(!SDL_WasInit(SDL_INIT_VIDEO)) { + if(SDL_Init(SDL_INIT_VIDEO)==-1) { + return false; + } + } + + screen = SDL_SetVideoMode(width, height, bpp, getFlags()); + + if(!screen) { + return false; + } + + if(opengl) { + SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); + + + // Setup GL + if(glsetup) { + glClearColor(0.0f, 0.0f, 0.0f, 0.0f); + glClearDepth(1.0f); + glDepthFunc(GL_LEQUAL); + glShadeModel(GL_SMOOTH); + glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); + glEnable(GL_ALPHA_TEST); + glAlphaFunc(GL_GREATER, 0.1); + } + + // Projection + glViewport(0, 0, (GLsizei)width, (GLsizei)height); + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + gluPerspective(45.0f, (GLfloat)width/(GLfloat)height, znear, zfar); + + if(extraglparam) { + extraglparam(); + } + + // Texturen neuladen, eigentlich nur für Windows. Aber egal. + GLTexture::reloadAll(); + } + + return true; +} diff --git a/glsdlscreen.h b/glsdlscreen.h new file mode 100644 index 0000000..132492a --- /dev/null +++ b/glsdlscreen.h @@ -0,0 +1,39 @@ +#ifndef __GLSDLSCREEN_H +#define __GLSDLSCREEN_H + +#include +#include +#include +#include "gltexture.h" + +class GLSDLScreen { + private: + SDL_Surface *screen; + + int width, height, bpp; + bool opengl; + bool glsetup; + bool resizable; + bool fullscreen; + + // OpenGL related + float znear, zfar; + void (*extraglparam)(); + int getFlags(); + public: + GLSDLScreen(); + + void enableOpenGL(bool); + void enableResizable(bool); + void enableFullscreen(bool); + void setVideoMode(int _width, int _height, int _bpp); + + void setGLNearFar(float _znear, float _zfar); + void enableGLSetup(bool); + void setExtraGLParamFunc(void (*extrafunc)()); + + bool isOK(); + bool apply(); +}; + +#endif diff --git a/testprog.cpp b/testprog.cpp new file mode 100644 index 0000000..e021ad7 --- /dev/null +++ b/testprog.cpp @@ -0,0 +1,12 @@ +#include +#include "glsdlscreen.h" + +int main() { + GLSDLScreen screen; + + screen.enableOpenGL(true); + screen.setVideoMode(640, 480, 32); + screen.apply(); + + return 0; +} diff --git a/testprog.h b/testprog.h new file mode 100644 index 0000000..e69de29