void exitFont()
{
sth_delete(stash);
stash=0;
delete renderCallbacks;
renderCallbacks=0;
}
SimpleOpenGL3App::~SimpleOpenGL3App()
{
delete m_instancingRenderer;
delete m_primRenderer ;
sth_delete(m_data->m_fontStash);
delete m_data->m_renderCallbacks;
TwDeleteDefaultFonts();
m_window->closeWindow();
delete m_window;
delete m_data ;
}
void ReleaseFont(Font *font) {
sth_delete(font->stash);
font = NULL;
}
int main(int argc, char *argv[]) {
int done;
SDL_Event event;
int width, height;
struct sth_stash* stash = 0;
FILE* fp = 0;
int datasize;
unsigned char* data;
float sx,sy,dx,dy,lh;
int droidRegular, droidItalic, droidBold, droidJapanese, dejavu;
SDL_Surface* surface;
GLuint texture;
if (SDL_Init(SDL_INIT_EVERYTHING) < 0)
{
fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
return -1;
}
// Init OpenGL
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
#ifdef STH_OPENGL3
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
#endif
width = 800;
height = 600;
SDL_Window* window = SDL_CreateWindow("FontStash Demo", 100, 100, width, height, SDL_WINDOW_OPENGL);
if (!window)
{
fprintf(stderr, "Could not initialise SDL opengl\n");
return -1;
}
SDL_GLContext context = SDL_GL_CreateContext(window);
stash = sth_create(512,512);
if (!stash)
{
fprintf(stderr, "Could not create stash.\n");
return -1;
}
// Load the first truetype font from memory (just because we can).
fp = fopen("DroidSerif-Regular.ttf", "rb");
if (!fp) goto error_add_font;
fseek(fp, 0, SEEK_END);
datasize = (int)ftell(fp);
fseek(fp, 0, SEEK_SET);
data = (unsigned char*)malloc(datasize);
if (data == NULL) goto error_add_font;
fread(data, 1, datasize, fp);
fclose(fp);
fp = 0;
if (!(droidRegular = sth_add_font_from_memory(stash, data)))
goto error_add_font;
// Load the remaining truetype fonts directly.
if (!(droidItalic = sth_add_font(stash,"DroidSerif-Italic.ttf")))
goto error_add_font;
if (!(droidBold = sth_add_font(stash,"DroidSerif-Bold.ttf")))
goto error_add_font;
if (!(droidJapanese = sth_add_font(stash,"DroidSansJapanese.ttf")))
goto error_add_font;
// Load a bitmap font
surface = IMG_Load("dejavu-sans_0.png");
if (surface == NULL)
{
fprintf(stderr, "%s.\n", IMG_GetError());
return -1;
}
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
if (SDL_MUSTLOCK(surface)) SDL_LockSurface(surface);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA8, surface->w, surface->h, 0, GL_ALPHA, GL_UNSIGNED_BYTE, surface->pixels);
if (SDL_MUSTLOCK(surface)) SDL_UnlockSurface(surface);
SDL_FreeSurface(surface);
dejavu = sth_add_bitmap_font(stash, 17, -4, 2);
sth_add_glyph_for_char(stash, dejavu, texture, "T", 18, 14, 363, 331, 10, 11, 0, 3, 10);
sth_add_glyph_for_char(stash, dejavu, texture, "h", 18, 14, 225, 382, 8, 11, 1, 3, 10);
sth_add_glyph_for_char(stash, dejavu, texture, "i", 18, 14, 478, 377, 2, 11, 1, 3, 4);
sth_add_glyph_for_char(stash, dejavu, texture, "s", 18, 14, 199, 455, 7, 8, 1, 6, 9);
sth_add_glyph_for_char(stash, dejavu, texture, " ", 18, 14, 66, 185, 1, 1, 0, 14, 5);
sth_add_glyph_for_char(stash, dejavu, texture, "a", 18, 14, 18, 459, 8, 8, 1, 6, 10);
sth_add_glyph_for_char(stash, dejavu, texture, "b", 18, 14, 198, 383, 8, 11, 1, 3, 10);
sth_add_glyph_for_char(stash, dejavu, texture, "t", 18, 14, 436, 377, 5, 11, 1, 3, 6);
sth_add_glyph_for_char(stash, dejavu, texture, "m", 18, 14, 494, 429, 12, 8, 2, 6, 16);
sth_add_glyph_for_char(stash, dejavu, texture, "p", 18, 14, 436, 353, 8, 11, 1, 6, 10);
sth_add_glyph_for_char(stash, dejavu, texture, "f", 18, 14, 442, 377, 5, 11, 1, 3, 7);
sth_add_glyph_for_char(stash, dejavu, texture, "o", 18, 14, 483, 438, 8, 8, 1, 6, 10);
sth_add_glyph_for_char(stash, dejavu, texture, "n", 18, 14, 0, 459, 8, 8, 1, 6, 10);
sth_add_glyph_for_char(stash, dejavu, texture, ".", 18, 14, 285, 476, 2, 3, 1, 11, 6);
done = 0;
while (!done)
{
while (SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_MOUSEMOTION:
break;
case SDL_MOUSEBUTTONDOWN:
break;
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_ESCAPE)
done = 1;
break;
case SDL_QUIT:
done = 1;
break;
default:
break;
}
}
// Update and render
glViewport(0, 0, width, height);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glClearColor(0.3f, 0.3f, 0.32f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
#ifdef STH_OPENGL3
std::cout << "OpenGL3" << std::endl;
glm::mat4 proj = glm::ortho(0.0f, (GLfloat) width, 0.0f, (GLfloat) height, -1.0f, 1.0f);
sth_projection_matrix(stash, glm::value_ptr(proj));
sth_color(stash, 1.0f, 0.0f, 0.0f, 1.0f);
#else
std::cout << "Immediate OpenGL" << std::endl;
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0,width,0,height,-1,1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glColor4ub(255,255,255,255);
#endif
sx = 100; sy = 250;
sth_begin_draw(stash);
dx = sx; dy = sy;
sth_draw_text(stash, droidRegular, 24.0f, dx, dy, "The quick ", &dx);
sth_draw_text(stash, droidItalic, 48.0f, dx, dy, "brown ", &dx);
sth_draw_text(stash, droidRegular, 24.0f, dx, dy, "fox ", &dx);
sth_vmetrics(stash, droidItalic, 24, NULL, NULL, &lh);
dx = sx;
dy -= lh*1.2f;
sth_draw_text(stash, droidItalic, 24.0f, dx, dy, "jumps over ", &dx);
sth_draw_text(stash, droidBold, 24.0f, dx, dy, "the lazy ", &dx);
sth_draw_text(stash, droidRegular, 24.0f, dx, dy, "dog.", &dx);
dx = sx;
dy -= lh*1.2f;
sth_draw_text(stash, droidRegular, 12.0f, dx, dy, "Now is the time for all good men to come to the aid of the party.", &dx);
sth_vmetrics(stash, droidItalic, 12, NULL, NULL, &lh);
dx = sx;
dy -= lh*1.2f*2;
sth_draw_text(stash, droidItalic, 18.0f, dx, dy, "Ég get etið gler án þess að meiða mig.", &dx);
sth_vmetrics(stash, droidItalic, 18, NULL, NULL, &lh);
dx = sx;
dy -= lh*1.2f;
sth_draw_text(stash, droidJapanese, 18.0f, dx, dy, "私はガラスを食べられます。それは私を傷つけません。", &dx);
dx = sx;
dy -= lh*1.2f*2;
sth_draw_text(stash, dejavu, 18.0f, dx, dy, "This is a bitmap font.", &dx);
sth_end_draw(stash);
SDL_GL_SwapWindow(window);
}
sth_delete(stash);
free(data);
SDL_GL_DeleteContext(context);
SDL_Quit();
return 0;
error_add_font:
fprintf(stderr, "Could not add font.\n");
return -1;
}
ofxFontStash::~ofxFontStash(){
if(stash != NULL) sth_delete(stash);
}
int main(int argc, char* argv[])
{
GLint err;
b3CommandLineArgs args(argc,argv);
if (args.CheckCmdLineFlag("help"))
{
Usage();
return 0;
}
args.GetCmdLineArgument("enable_interop", useInterop);
printf("useInterop=%d\n",useInterop);
args.GetCmdLineArgument("pause_simulation", pauseSimulation);
printf("pause_simulation=%d\n",pauseSimulation);
char* tmpfile = 0;
args.GetCmdLineArgument("load_bulletfile", tmpfile );
if (tmpfile)
fileName = tmpfile;
printf("load_bulletfile=%s\n",fileName);
int width = 700;
int height= 512;
printf("\n");
b3gDefaultOpenGLWindow* window = new b3gDefaultOpenGLWindow();
window->createWindow(b3gWindowConstructionInfo(width,height));
window->setWindowTitle("font test");
#ifndef __APPLE__
err = glewInit();
#endif
window->runMainLoop();
loadShader();
loadBufferData();
initTestTexture();
window->startRendering();
window->endRendering();
err = glGetError();
b3Assert(err==GL_NO_ERROR);
// render.InitShaders();
// render.writeTransforms();
window->runMainLoop();
// window->setMouseCallback(b3DefaultMouseCallback);
// window->setKeyboardCallback(b3DefaultKeyboardCallback);
// window->setWheelCallback(b3DefaultWheelCallback);
err = glGetError();
b3Assert(err==GL_NO_ERROR);
int done;
struct sth_stash* stash = 0;
FILE* fp = 0;
int datasize;
float sx,sy,dx,dy,lh;
int droidRegular;//, droidItalic, droidBold, droidJapanese, dejavu;
GLuint texture;
int fontTextureWidth = 512;
int fontTextureHeight = 512;
SimpleOpenGL2RenderCallbacks* renderCallbacks = new SimpleOpenGL2RenderCallbacks(&sData);
stash = sth_create(fontTextureWidth,fontTextureHeight,renderCallbacks);
err = glGetError();
b3Assert(err==GL_NO_ERROR);
if (!stash)
{
fprintf(stderr, "Could not create stash.\n");
return -1;
}
// Load the first truetype font from memory (just because we can).
#ifdef _WIN32
const char* fontPath = "../../bin/";
#else
const char* fontPath = "./";
#endif
char fullFontFileName[1024];
sprintf(fullFontFileName,"%s%s",fontPath,"DroidSerif-Regular.ttf");//cour.ttf");//times.ttf");//DroidSerif-Regular.ttf");
//sprintf(fullFontFileName,"%s%s",fontPath,"arial.ttf");//cour.ttf");//times.ttf");//DroidSerif-Regular.ttf");
fp = fopen(fullFontFileName, "rb");
#ifdef LOAD_FONT_FROM_FILE
unsigned char* data;
err = glGetError();
b3Assert(err==GL_NO_ERROR);
b3Assert(fp);
if (fp)
{
fseek(fp, 0, SEEK_END);
datasize = (int)ftell(fp);
fseek(fp, 0, SEEK_SET);
data = (unsigned char*)malloc(datasize);
if (data == NULL)
{
b3Assert(0);
return -1;
}
else
fread(data, 1, datasize, fp);
fclose(fp);
fp = 0;
}
if (!(droidRegular = sth_add_font_from_memory(stash, data)))
{
b3Assert(0);
return -1;
}
err = glGetError();
b3Assert(err==GL_NO_ERROR);
// Load the remaining truetype fonts directly.
sprintf(fullFontFileName,"%s%s",fontPath,"DroidSerif-Italic.ttf");
if (!(droidItalic = sth_add_font(stash,fullFontFileName)))
{
b3Assert(0);
return -1;
}
sprintf(fullFontFileName,"%s%s",fontPath,"DroidSerif-Bold.ttf");
if (!(droidBold = sth_add_font(stash,fullFontFileName)))
{
b3Assert(0);
return -1;
}
err = glGetError();
b3Assert(err==GL_NO_ERROR);
sprintf(fullFontFileName,"%s%s",fontPath,"DroidSansJapanese.ttf");
if (!(droidJapanese = sth_add_font(stash,fullFontFileName)))
{
b3Assert(0);
return -1;
}
err = glGetError();
b3Assert(err==GL_NO_ERROR);
#else//LOAD_FONT_FROM_FILE
char* data2 = OpenSansData;
unsigned char* data = (unsigned char*) data2;
if (!(droidRegular = sth_add_font_from_memory(stash, data)))
{
printf("error!\n");
}
#endif//LOAD_FONT_FROM_FILE
while (!window->requestedExit())
{
GLint err = glGetError();
b3Assert(err==GL_NO_ERROR);
// glClearColor(0.5f,0.5f,0.5f,1.f);
err = glGetError();
b3Assert(err==GL_NO_ERROR);
window->startRendering();
err = glGetError();
b3Assert(err==GL_NO_ERROR);
glClearColor(1,1,1,1);//.4, .4, 0.4, 1.0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
//display();
err = glGetError();
b3Assert(err==GL_NO_ERROR);
if (1)
{
B3_PROFILE("font stash rendering");
// Update and render
glEnable(GL_BLEND);
err = glGetError();
b3Assert(err==GL_NO_ERROR);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
err = glGetError();
b3Assert(err==GL_NO_ERROR);
err = glGetError();
b3Assert(err==GL_NO_ERROR);
glDisable(GL_DEPTH_TEST);
err = glGetError();
b3Assert(err==GL_NO_ERROR);
//glColor4ub(255,0,0,255);
err = glGetError();
b3Assert(err==GL_NO_ERROR);
glEnable(GL_BLEND);
err = glGetError();
b3Assert(err==GL_NO_ERROR);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
err = glGetError();
b3Assert(err==GL_NO_ERROR);
sx = 0; sy = height;
sth_begin_draw(stash);
display();
dx = sx; dy = sy;
static int once=0;
//sth_draw_text(stash, droidRegular,12.f, dx, dy-50, "How does this OpenGL True Type font look? ", &dx,width,height);
int spacing = 512;
if (1)
for (int i=20;i<=110;i+=12)
{
char txt[512];
sprintf(txt,"%d. The quick brown fox jumped over the lazy dog. 1234567890",i);
sth_draw_text(stash, droidRegular,i, 10, dy-spacing, txt, &dx,width,height);
spacing-=i;
}
err = glGetError();
b3Assert(err==GL_NO_ERROR);
if (0)
for (int i=0;i<1;i++)
{
dx = sx;
if (once!=1)
{
//need to save this file as UTF-8 without signature, codepage 650001 in Visual Studio
err = glGetError();
b3Assert(err==GL_NO_ERROR);
//sth_draw_text(stash, droidJapanese,16.f, dx, dy-36, (const char*) "\xE7\xA7\x81\xE3\x81\xAF\xE3\x82\xAC\xE3\x83\xA9\xE3\x82\xB9\xE3\x82\x92\xE9\xA3\x9F\xE3\x81\xB9\xE3\x82\x89\xE3\x82\x8C\xE3\x81\xBE\xE3\x81\x99\xE3\x80\x82",&dx,
// width,height);//はabcdefghijlkmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890!@#$%^&*()_-+=?/\][{}.,<>`~@#$%^", &dx);
// sth_draw_text(stash, droidJapanese,32.f, dx, dy, (const char*) "私はガラスを食べられます。それは私を傷つけません。",&dx);//はabcdefghijlkmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890!@#$%^&*()_-+=?/\][{}.,<>`~@#$%^", &dx);
dx = sx;
err = glGetError();
b3Assert(err==GL_NO_ERROR);
sth_flush_draw(stash);
dx=0;
sth_draw_text(stash, droidRegular,14.f, dx, dy-80, "How does this OpenGL True Type font look? ", &dx,width,height);
dx=0;
dy-=30;
//sth_draw_text(stash, droidRegular,16.f, dx, dy-80, "Profile How does this OpenGL True Type font look? ", &dx,width,height);
dx=0;
dy-=30;
sth_draw_text(stash, droidRegular,16.f, dx, dy-80, "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890", &dx,width,height);
dx=0;
dy-=30;
sth_draw_text(stash, droidRegular,16.f, dx, dy-80, "!@#$%^abcdefghijklmnopqrstuvwxyz", &dx,width,height);
dx=0;
// sth_draw_text(stash, droidRegular,16.f, dx, dy-42, "aph OpenGL Profile aCABCabdabcdefghijlkmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890!@#$%^", &dx,width,height);
//sth_draw_text(stash, droidRegular,16.f, dx, dy-42, "aph OpenGL Profile aCABCabdabcdefghijlkmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890!@#$%^", &dx,width,height);
sth_flush_draw(stash);
err = glGetError();
b3Assert(err==GL_NO_ERROR);
} else
{
dx = sx;
dy = height;
err = glGetError();
b3Assert(err==GL_NO_ERROR);
sth_draw_texture(stash, droidRegular, 16.f, 0, 0,width,height, "a", &dx);
err = glGetError();
b3Assert(err==GL_NO_ERROR);
dumpTextureToPng(fontTextureWidth, fontTextureHeight,"newPic.png");
}
once++;
}
err = glGetError();
b3Assert(err==GL_NO_ERROR);
sth_end_draw(stash);
glEnable(GL_DEPTH_TEST);
err = glGetError();
b3Assert(err==GL_NO_ERROR);
//glFinish();
}
err = glGetError();
b3Assert(err==GL_NO_ERROR);
window->endRendering();
err = glGetError();
b3Assert(err==GL_NO_ERROR);
{
glFinish();
}
static bool printStats = true;
if (printStats && !pauseSimulation)
{
static int count = 0;
count--;
if (count<0)
{
count = 100;
// b3ProfileManager::dumpAll();
//printStats = false;
} else
{
// printf(".");
}
}
err = glGetError();
b3Assert(err==GL_NO_ERROR);
}
#ifdef _WIN32
sth_delete(stash);
#ifdef LOAD_FONT_FROM_FILE
free(data);
#endif //LOAD_FONT_FROM_FILE
#endif
// render.CleanupShaders();
window->closeWindow();
delete window;
return 0;
}
void gui_end(void)
{
if(stash)sth_delete(stash);
}
