int main(int argc, char *argv[])
{
char *argv0 = argv[0];
SDL_Window *window;
SDL_Renderer *renderer;
TTF_Font *font;
SDL_Surface *text;
Scene scene;
int ptsize;
int i, done;
SDL_Color white = { 0xFF, 0xFF, 0xFF, 0 };
SDL_Color black = { 0x00, 0x00, 0x00, 0 };
SDL_Color *forecol;
SDL_Color *backcol;
SDL_Event event;
int rendersolid;
int renderstyle;
int outline;
int hinting;
int kerning;
int dump;
enum {
RENDER_LATIN1,
RENDER_UTF8,
RENDER_UNICODE
} rendertype;
char *message, string[128];
/* Look for special execution mode */
dump = 0;
/* Look for special rendering types */
rendersolid = 0;
renderstyle = TTF_STYLE_NORMAL;
rendertype = RENDER_LATIN1;
outline = 0;
hinting = TTF_HINTING_NORMAL;
kerning = 1;
/* Default is black and white */
forecol = &black;
backcol = &white;
for ( i=1; argv[i] && argv[i][0] == '-'; ++i ) {
if ( strcmp(argv[i], "-solid") == 0 ) {
rendersolid = 1;
} else
if ( strcmp(argv[i], "-utf8") == 0 ) {
rendertype = RENDER_UTF8;
} else
if ( strcmp(argv[i], "-unicode") == 0 ) {
rendertype = RENDER_UNICODE;
} else
if ( strcmp(argv[i], "-b") == 0 ) {
renderstyle |= TTF_STYLE_BOLD;
} else
if ( strcmp(argv[i], "-i") == 0 ) {
renderstyle |= TTF_STYLE_ITALIC;
} else
if ( strcmp(argv[i], "-u") == 0 ) {
renderstyle |= TTF_STYLE_UNDERLINE;
} else
if ( strcmp(argv[i], "-s") == 0 ) {
renderstyle |= TTF_STYLE_STRIKETHROUGH;
} else
if ( strcmp(argv[i], "-outline") == 0 ) {
if ( sscanf (argv[++i], "%d", &outline) != 1 ) {
fprintf(stderr, Usage, argv0);
return(1);
}
} else
if ( strcmp(argv[i], "-hintlight") == 0 ) {
hinting = TTF_HINTING_LIGHT;
} else
if ( strcmp(argv[i], "-hintmono") == 0 ) {
hinting = TTF_HINTING_MONO;
} else
if ( strcmp(argv[i], "-hintnone") == 0 ) {
hinting = TTF_HINTING_NONE;
} else
if ( strcmp(argv[i], "-nokerning") == 0 ) {
kerning = 0;
} else
if ( strcmp(argv[i], "-dump") == 0 ) {
dump = 1;
} else
if ( strcmp(argv[i], "-fgcol") == 0 ) {
int r, g, b;
if ( sscanf (argv[++i], "%d,%d,%d", &r, &g, &b) != 3 ) {
fprintf(stderr, Usage, argv0);
return(1);
}
forecol->r = (Uint8)r;
forecol->g = (Uint8)g;
forecol->b = (Uint8)b;
} else
if ( strcmp(argv[i], "-bgcol") == 0 ) {
int r, g, b;
if ( sscanf (argv[++i], "%d,%d,%d", &r, &g, &b) != 3 ) {
fprintf(stderr, Usage, argv0);
return(1);
}
backcol->r = (Uint8)r;
backcol->g = (Uint8)g;
backcol->b = (Uint8)b;
} else {
fprintf(stderr, Usage, argv0);
return(1);
}
}
argv += i;
argc -= i;
/* Check usage */
if ( ! argv[0] ) {
fprintf(stderr, Usage, argv0);
return(1);
}
/* Initialize the TTF library */
if ( TTF_Init() < 0 ) {
fprintf(stderr, "Couldn't initialize TTF: %s\n",SDL_GetError());
SDL_Quit();
return(2);
}
/* Open the font file with the requested point size */
ptsize = 0;
if ( argc > 1 ) {
ptsize = atoi(argv[1]);
}
if ( ptsize == 0 ) {
i = 2;
ptsize = DEFAULT_PTSIZE;
} else {
i = 3;
}
font = TTF_OpenFont(argv[0], ptsize);
if ( font == NULL ) {
fprintf(stderr, "Couldn't load %d pt font from %s: %s\n",
ptsize, argv[0], SDL_GetError());
cleanup(2);
}
TTF_SetFontStyle(font, renderstyle);
TTF_SetFontOutline(font, outline);
TTF_SetFontKerning(font, kerning);
TTF_SetFontHinting(font, hinting);
if( dump ) {
for( i = 48; i < 123; i++ ) {
SDL_Surface* glyph = NULL;
glyph = TTF_RenderGlyph_Shaded( font, i, *forecol, *backcol );
if( glyph ) {
char outname[64];
sprintf( outname, "glyph-%d.bmp", i );
SDL_SaveBMP( glyph, outname );
}
}
cleanup(0);
}
/* Create a window */
if (SDL_CreateWindowAndRenderer(WIDTH, HEIGHT, 0, &window, &renderer) < 0) {
fprintf(stderr, "SDL_CreateWindowAndRenderer() failed: %s\n", SDL_GetError());
cleanup(2);
}
/* Show which font file we're looking at */
sprintf(string, "Font file: %s", argv[0]); /* possible overflow */
if ( rendersolid ) {
text = TTF_RenderText_Solid(font, string, *forecol);
} else {
text = TTF_RenderText_Shaded(font, string, *forecol, *backcol);
}
if ( text != NULL ) {
scene.captionRect.x = 4;
scene.captionRect.y = 4;
scene.captionRect.w = text->w;
scene.captionRect.h = text->h;
scene.caption = SDL_CreateTextureFromSurface(renderer, text);
SDL_FreeSurface(text);
}
/* Render and center the message */
if ( argc > 2 ) {
message = argv[2];
} else {
message = DEFAULT_TEXT;
}
switch (rendertype) {
case RENDER_LATIN1:
if ( rendersolid ) {
text = TTF_RenderText_Solid(font,message,*forecol);
} else {
text = TTF_RenderText_Shaded(font,message,*forecol,*backcol);
}
break;
case RENDER_UTF8:
if ( rendersolid ) {
text = TTF_RenderUTF8_Solid(font,message,*forecol);
} else {
text = TTF_RenderUTF8_Shaded(font,message,*forecol,*backcol);
}
break;
case RENDER_UNICODE:
{
Uint16 *unicode_text = SDL_iconv_utf8_ucs2(message);
if ( rendersolid ) {
text = TTF_RenderUNICODE_Solid(font,
unicode_text, *forecol);
} else {
text = TTF_RenderUNICODE_Shaded(font,
unicode_text, *forecol, *backcol);
}
SDL_free(unicode_text);
}
break;
default:
text = NULL; /* This shouldn't happen */
break;
}
if ( text == NULL ) {
fprintf(stderr, "Couldn't render text: %s\n", SDL_GetError());
TTF_CloseFont(font);
cleanup(2);
}
scene.messageRect.x = (WIDTH - text->w)/2;
scene.messageRect.y = (HEIGHT - text->h)/2;
scene.messageRect.w = text->w;
scene.messageRect.h = text->h;
scene.message = SDL_CreateTextureFromSurface(renderer, text);
printf("Font is generally %d big, and string is %hd big\n",
TTF_FontHeight(font), text->h);
draw_scene(renderer, &scene);
/* Wait for a keystroke, and blit text on mouse press */
done = 0;
while ( ! done ) {
if ( SDL_WaitEvent(&event) < 0 ) {
fprintf(stderr, "SDL_PullEvent() error: %s\n",
SDL_GetError());
done = 1;
continue;
}
switch (event.type) {
case SDL_MOUSEBUTTONDOWN:
scene.messageRect.x = event.button.x - text->w/2;
scene.messageRect.y = event.button.y - text->h/2;
scene.messageRect.w = text->w;
scene.messageRect.h = text->h;
draw_scene(renderer, &scene);
break;
case SDL_KEYDOWN:
case SDL_QUIT:
done = 1;
break;
default:
break;
}
}
SDL_FreeSurface(text);
TTF_CloseFont(font);
SDL_DestroyTexture(scene.caption);
SDL_DestroyTexture(scene.message);
cleanup(0);
/* Not reached, but fixes compiler warnings */
return 0;
}
int main(int argc, char *argv[])
{
char *argv0 = argv[0];
SDL_Window *window;
SDL_GLContext context;
TTF_Font *font;
SDL_Surface *text;
int ptsize;
int i, done;
SDL_Color white = { 0xFF, 0xFF, 0xFF, 0 };
SDL_Color black = { 0x00, 0x00, 0x00, 0 };
SDL_Color *forecol;
SDL_Color *backcol;
GLenum gl_error;
GLuint texture;
int x, y, w, h;
GLfloat texcoord[4];
GLfloat texMinX, texMinY;
GLfloat texMaxX, texMaxY;
float color[8][3]= {{ 1.0, 1.0, 0.0},
{ 1.0, 0.0, 0.0},
{ 0.0, 0.0, 0.0},
{ 0.0, 1.0, 0.0},
{ 0.0, 1.0, 1.0},
{ 1.0, 1.0, 1.0},
{ 1.0, 0.0, 1.0},
{ 0.0, 0.0, 1.0}};
float cube[8][3]= {{ 0.5, 0.5, -0.5},
{ 0.5, -0.5, -0.5},
{-0.5, -0.5, -0.5},
{-0.5, 0.5, -0.5},
{-0.5, 0.5, 0.5},
{ 0.5, 0.5, 0.5},
{ 0.5, -0.5, 0.5},
{-0.5, -0.5, 0.5}};
SDL_Event event;
int renderstyle;
int dump;
enum {
RENDER_LATIN1,
RENDER_UTF8,
RENDER_UNICODE
} rendertype;
char *message;
/* Look for special execution mode */
dump = 0;
/* Look for special rendering types */
renderstyle = TTF_STYLE_NORMAL;
rendertype = RENDER_LATIN1;
/* Default is black and white */
forecol = &black;
backcol = &white;
for ( i=1; argv[i] && argv[i][0] == '-'; ++i ) {
if ( strcmp(argv[i], "-utf8") == 0 ) {
rendertype = RENDER_UTF8;
} else
if ( strcmp(argv[i], "-unicode") == 0 ) {
rendertype = RENDER_UNICODE;
} else
if ( strcmp(argv[i], "-b") == 0 ) {
renderstyle |= TTF_STYLE_BOLD;
} else
if ( strcmp(argv[i], "-i") == 0 ) {
renderstyle |= TTF_STYLE_ITALIC;
} else
if ( strcmp(argv[i], "-u") == 0 ) {
renderstyle |= TTF_STYLE_UNDERLINE;
} else
if ( strcmp(argv[i], "-dump") == 0 ) {
dump = 1;
} else
if ( strcmp(argv[i], "-fgcol") == 0 ) {
int r, g, b;
if ( sscanf (argv[++i], "%d,%d,%d", &r, &g, &b) != 3 ) {
fprintf(stderr, Usage, argv0);
return(1);
}
forecol->r = (Uint8)r;
forecol->g = (Uint8)g;
forecol->b = (Uint8)b;
} else
if ( strcmp(argv[i], "-bgcol") == 0 ) {
int r, g, b;
if ( sscanf (argv[++i], "%d,%d,%d", &r, &g, &b) != 3 ) {
fprintf(stderr, Usage, argv0);
return(1);
}
backcol->r = (Uint8)r;
backcol->g = (Uint8)g;
backcol->b = (Uint8)b;
} else {
fprintf(stderr, Usage, argv0);
return(1);
}
}
argv += i;
argc -= i;
/* Check usage */
if ( ! argv[0] ) {
fprintf(stderr, Usage, argv0);
return(1);
}
/* Initialize the TTF library */
if ( TTF_Init() < 0 ) {
fprintf(stderr, "Couldn't initialize TTF: %s\n",SDL_GetError());
SDL_Quit();
return(2);
}
/* Open the font file with the requested point size */
ptsize = 0;
if ( argc > 1 ) {
ptsize = atoi(argv[1]);
}
if ( ptsize == 0 ) {
i = 2;
ptsize = DEFAULT_PTSIZE;
} else {
i = 3;
}
font = TTF_OpenFont(argv[0], ptsize);
if ( font == NULL ) {
fprintf(stderr, "Couldn't load %d pt font from %s: %s\n",
ptsize, argv[0], SDL_GetError());
cleanup(2);
}
TTF_SetFontStyle(font, renderstyle);
if( dump ) {
for( i = 48; i < 123; i++ ) {
SDL_Surface* glyph = NULL;
glyph = TTF_RenderGlyph_Shaded( font, i, *forecol, *backcol );
if( glyph ) {
char outname[64];
sprintf( outname, "glyph-%d.bmp", i );
SDL_SaveBMP( glyph, outname );
}
}
cleanup(0);
}
/* Set a 640x480 video mode */
window = SDL_CreateWindow("glfont",
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
WIDTH, HEIGHT, SDL_WINDOW_OPENGL);
if ( window == NULL ) {
fprintf(stderr, "Couldn't create window: %s\n", SDL_GetError());
cleanup(2);
}
context = SDL_GL_CreateContext(window);
if ( context == NULL ) {
fprintf(stderr, "Couldn't create OpenGL context: %s\n", SDL_GetError());
cleanup(2);
}
/* Render and center the message */
if ( argc > 2 ) {
message = argv[2];
} else {
message = DEFAULT_TEXT;
}
switch (rendertype) {
case RENDER_LATIN1:
text = TTF_RenderText_Blended(font, message, *forecol);
break;
case RENDER_UTF8:
text = TTF_RenderUTF8_Blended(font, message, *forecol);
break;
case RENDER_UNICODE:
{
/* This doesn't actually work because you can't pass
UNICODE text in via command line, AFAIK, but...
*/
Uint16 unicode_text[BUFSIZ];
int index;
for ( index = 0; (message[0] || message[1]); ++index ) {
unicode_text[index] = ((Uint8 *)message)[0];
unicode_text[index] <<= 8;
unicode_text[index] |= ((Uint8 *)message)[1];
message += 2;
}
text = TTF_RenderUNICODE_Blended(font,
unicode_text, *forecol);
}
break;
default:
text = NULL; /* This shouldn't happen */
break;
}
if ( text == NULL ) {
fprintf(stderr, "Couldn't render text: %s\n", SDL_GetError());
TTF_CloseFont(font);
cleanup(2);
}
x = (WIDTH - text->w)/2;
y = (HEIGHT - text->h)/2;
w = text->w;
h = text->h;
printf("Font is generally %d big, and string is %hd big\n",
TTF_FontHeight(font), text->h);
/* Convert the text into an OpenGL texture */
glGetError();
texture = SDL_GL_LoadTexture(text, texcoord);
if ( (gl_error = glGetError()) != GL_NO_ERROR ) {
/* If this failed, the text may exceed texture size limits */
printf("Warning: Couldn't create texture: 0x%x\n", gl_error);
}
/* Make texture coordinates easy to understand */
texMinX = texcoord[0];
texMinY = texcoord[1];
texMaxX = texcoord[2];
texMaxY = texcoord[3];
/* We don't need the original text surface anymore */
SDL_FreeSurface(text);
/* Initialize the GL state */
glViewport( 0, 0, WIDTH, HEIGHT );
glMatrixMode( GL_PROJECTION );
glLoadIdentity( );
glOrtho( -2.0, 2.0, -2.0, 2.0, -20.0, 20.0 );
glMatrixMode( GL_MODELVIEW );
glLoadIdentity( );
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glShadeModel(GL_SMOOTH);
/* Wait for a keystroke, and blit text on mouse press */
done = 0;
while ( ! done ) {
while ( SDL_PollEvent(&event) ) {
switch (event.type) {
case SDL_MOUSEMOTION:
x = event.motion.x - w/2;
y = event.motion.y - h/2;
break;
case SDL_KEYDOWN:
case SDL_QUIT:
done = 1;
break;
default:
break;
}
}
/* Clear the screen */
glClearColor(1.0, 1.0, 1.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
/* Draw the spinning cube */
glBegin( GL_QUADS );
glColor3fv(color[0]);
glVertex3fv(cube[0]);
glColor3fv(color[1]);
glVertex3fv(cube[1]);
glColor3fv(color[2]);
glVertex3fv(cube[2]);
glColor3fv(color[3]);
glVertex3fv(cube[3]);
glColor3fv(color[3]);
glVertex3fv(cube[3]);
glColor3fv(color[4]);
glVertex3fv(cube[4]);
glColor3fv(color[7]);
glVertex3fv(cube[7]);
glColor3fv(color[2]);
glVertex3fv(cube[2]);
glColor3fv(color[0]);
glVertex3fv(cube[0]);
glColor3fv(color[5]);
glVertex3fv(cube[5]);
glColor3fv(color[6]);
glVertex3fv(cube[6]);
glColor3fv(color[1]);
glVertex3fv(cube[1]);
glColor3fv(color[5]);
glVertex3fv(cube[5]);
glColor3fv(color[4]);
glVertex3fv(cube[4]);
glColor3fv(color[7]);
glVertex3fv(cube[7]);
glColor3fv(color[6]);
glVertex3fv(cube[6]);
glColor3fv(color[5]);
glVertex3fv(cube[5]);
glColor3fv(color[0]);
glVertex3fv(cube[0]);
glColor3fv(color[3]);
glVertex3fv(cube[3]);
glColor3fv(color[4]);
glVertex3fv(cube[4]);
glColor3fv(color[6]);
glVertex3fv(cube[6]);
glColor3fv(color[1]);
glVertex3fv(cube[1]);
glColor3fv(color[2]);
glVertex3fv(cube[2]);
glColor3fv(color[7]);
glVertex3fv(cube[7]);
glEnd( );
/* Rotate the cube */
glMatrixMode(GL_MODELVIEW);
glRotatef(5.0, 1.0, 1.0, 1.0);
/* Show the text on the screen */
SDL_GL_Enter2DMode(WIDTH, HEIGHT);
glBindTexture(GL_TEXTURE_2D, texture);
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(texMinX, texMinY); glVertex2i(x, y );
glTexCoord2f(texMaxX, texMinY); glVertex2i(x+w, y );
glTexCoord2f(texMinX, texMaxY); glVertex2i(x, y+h);
glTexCoord2f(texMaxX, texMaxY); glVertex2i(x+w, y+h);
glEnd();
SDL_GL_Leave2DMode();
/* Swap the buffers so everything is visible */
SDL_GL_SwapWindow(window);
}
SDL_GL_DeleteContext(context);
TTF_CloseFont(font);
cleanup(0);
/* Not reached, but fixes compiler warnings */
return 0;
}
SDL_Surface* SimKit::TTFVFont::render_font(const Uint32 ch, const SDL_Color textcol, const SDL_Color bg) {
return TTF_RenderGlyph_Shaded(this->rfont, ch, textcol, bg);
};
int main(int argc, char *argv[])
{
char *argv0 = argv[0];
SDL_Surface *screen;
TTF_Font *font;
SDL_Surface *text, *temp;
int ptsize;
int i, done;
int rdiff, gdiff, bdiff;
SDL_Color colors[NUM_COLORS];
SDL_Color white = { 0xFF, 0xFF, 0xFF, 0 };
SDL_Color black = { 0x00, 0x00, 0x00, 0 };
SDL_Color *forecol;
SDL_Color *backcol;
SDL_Rect dstrect;
SDL_Event event;
int rendersolid;
int renderstyle;
int dump;
enum {
RENDER_LATIN1,
RENDER_UTF8,
RENDER_UNICODE
} rendertype;
char *message, string[128];
/* Look for special execution mode */
dump = 0;
/* Look for special rendering types */
rendersolid = 0;
renderstyle = TTF_STYLE_NORMAL;
rendertype = RENDER_LATIN1;
/* Default is black and white */
forecol = &black;
backcol = &white;
for ( i=1; argv[i] && argv[i][0] == '-'; ++i ) {
if ( strcmp(argv[i], "-solid") == 0 ) {
rendersolid = 1;
} else
if ( strcmp(argv[i], "-utf8") == 0 ) {
rendertype = RENDER_UTF8;
} else
if ( strcmp(argv[i], "-unicode") == 0 ) {
rendertype = RENDER_UNICODE;
} else
if ( strcmp(argv[i], "-b") == 0 ) {
renderstyle |= TTF_STYLE_BOLD;
} else
if ( strcmp(argv[i], "-i") == 0 ) {
renderstyle |= TTF_STYLE_ITALIC;
} else
if ( strcmp(argv[i], "-u") == 0 ) {
renderstyle |= TTF_STYLE_UNDERLINE;
} else
if ( strcmp(argv[i], "-dump") == 0 ) {
dump = 1;
} else
if ( strcmp(argv[i], "-fgcol") == 0 ) {
int r, g, b;
if ( sscanf (argv[++i], "%d,%d,%d", &r, &g, &b) != 3 ) {
fprintf(stderr, Usage, argv0);
return(1);
}
forecol->r = (Uint8)r;
forecol->g = (Uint8)g;
forecol->b = (Uint8)b;
} else
if ( strcmp(argv[i], "-bgcol") == 0 ) {
int r, g, b;
if ( sscanf (argv[++i], "%d,%d,%d", &r, &g, &b) != 3 ) {
fprintf(stderr, Usage, argv0);
return(1);
}
backcol->r = (Uint8)r;
backcol->g = (Uint8)g;
backcol->b = (Uint8)b;
} else {
fprintf(stderr, Usage, argv0);
return(1);
}
}
argv += i;
argc -= i;
/* Check usage */
if ( ! argv[0] ) {
fprintf(stderr, Usage, argv0);
return(1);
}
/* Initialize SDL */
if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
return(2);
}
/* Initialize the TTF library */
if ( TTF_Init() < 0 ) {
fprintf(stderr, "Couldn't initialize TTF: %s\n",SDL_GetError());
SDL_Quit();
return(2);
}
/* Open the font file with the requested point size */
ptsize = 0;
if ( argc > 1 ) {
ptsize = atoi(argv[1]);
}
if ( ptsize == 0 ) {
i = 2;
ptsize = DEFAULT_PTSIZE;
} else {
i = 3;
}
font = TTF_OpenFont(argv[0], ptsize);
if ( font == NULL ) {
fprintf(stderr, "Couldn't load %d pt font from %s: %s\n",
ptsize, argv[0], SDL_GetError());
cleanup(2);
}
TTF_SetFontStyle(font, renderstyle);
if( dump ) {
for( i = 48; i < 123; i++ ) {
SDL_Surface* glyph = NULL;
glyph = TTF_RenderGlyph_Shaded( font, i, *forecol, *backcol );
if( glyph ) {
char outname[64];
sprintf( outname, "glyph-%d.bmp", i );
SDL_SaveBMP( glyph, outname );
}
}
cleanup(0);
}
/* Set a 640x480x8 video mode */
screen = SDL_SetVideoMode(640, 480, 8, SDL_SWSURFACE);
if ( screen == NULL ) {
fprintf(stderr, "Couldn't set 640x480x8 video mode: %s\n",
SDL_GetError());
cleanup(2);
}
/* Set a palette that is good for the foreground colored text */
rdiff = backcol->r - forecol->r;
gdiff = backcol->g - forecol->g;
bdiff = backcol->b - forecol->b;
for ( i=0; i<NUM_COLORS; ++i ) {
colors[i].r = forecol->r + (i*rdiff)/4;
colors[i].g = forecol->g + (i*gdiff)/4;
colors[i].b = forecol->b + (i*bdiff)/4;
}
SDL_SetColors(screen, colors, 0, NUM_COLORS);
/* Clear the background to background color */
SDL_FillRect(screen, NULL,
SDL_MapRGB(screen->format, backcol->r, backcol->g, backcol->b));
SDL_UpdateRect(screen, 0, 0, 0, 0);
/* Show which font file we're looking at */
sprintf(string, "Font file: %s", argv[0]); /* possible overflow */
if ( rendersolid ) {
text = TTF_RenderText_Solid(font, string, *forecol);
} else {
text = TTF_RenderText_Shaded(font, string, *forecol, *backcol);
}
if ( text != NULL ) {
dstrect.x = 4;
dstrect.y = 4;
dstrect.w = text->w;
dstrect.h = text->h;
SDL_BlitSurface(text, NULL, screen, &dstrect);
SDL_FreeSurface(text);
}
/* Render and center the message */
if ( argc > 2 ) {
message = argv[2];
} else {
message = DEFAULT_TEXT;
}
switch (rendertype) {
case RENDER_LATIN1:
if ( rendersolid ) {
text = TTF_RenderText_Solid(font,message,*forecol);
} else {
text = TTF_RenderText_Shaded(font,message,*forecol,*backcol);
}
break;
case RENDER_UTF8:
if ( rendersolid ) {
text = TTF_RenderUTF8_Solid(font,message,*forecol);
} else {
text = TTF_RenderUTF8_Shaded(font,message,*forecol,*backcol);
}
break;
case RENDER_UNICODE:
{
Uint16 unicode_text[BUFSIZ];
int index;
#ifdef HAVE_ICONV
/* Use iconv to convert the message into utf-16.
* "char" and "" are aliases for the local 8-bit encoding */
iconv_t cd;
/*ICONV_CONST*/ char *from_str = message;
char *to_str = (char*)unicode_text;
size_t from_sz = strlen(message) + 1;
size_t to_sz = sizeof(unicode_text);
size_t res;
int i;
if ((cd = iconv_open("UTF-16", "char")) == (iconv_t)-1
&& (cd = iconv_open("UTF-16", "")) == (iconv_t)-1) {
perror("Couldn't open iconv");
exit(1);
}
res = iconv(cd, &from_str, &from_sz, &to_str, &to_sz);
if (res == -1) {
perror("Couldn't use iconv");
exit(1);
}
iconv_close(cd);
#else
/* Convert the message from ascii into utf-16.
* This is unreliable as a test because it always
* gives the local ordering. */
for (index = 0; message[index]; index++) {
unicode_text[index] = message[index];
}
unicode_text[index] = 0;
#endif
if ( rendersolid ) {
text = TTF_RenderUNICODE_Solid(font,
unicode_text, *forecol);
} else {
text = TTF_RenderUNICODE_Shaded(font,
unicode_text, *forecol, *backcol);
}
}
break;
default:
text = NULL; /* This shouldn't happen */
break;
}
if ( text == NULL ) {
fprintf(stderr, "Couldn't render text: %s\n", SDL_GetError());
TTF_CloseFont(font);
cleanup(2);
}
dstrect.x = (screen->w - text->w)/2;
dstrect.y = (screen->h - text->h)/2;
dstrect.w = text->w;
dstrect.h = text->h;
printf("Font is generally %d big, and string is %hd big\n",
TTF_FontHeight(font), text->h);
/* Blit the text surface */
if ( SDL_BlitSurface(text, NULL, screen, &dstrect) < 0 ) {
fprintf(stderr, "Couldn't blit text to display: %s\n",
SDL_GetError());
TTF_CloseFont(font);
cleanup(2);
}
SDL_UpdateRect(screen, 0, 0, 0, 0);
/* Set the text colorkey and convert to display format */
if ( SDL_SetColorKey(text, SDL_SRCCOLORKEY|SDL_RLEACCEL, 0) < 0 ) {
fprintf(stderr, "Warning: Couldn't set text colorkey: %s\n",
SDL_GetError());
}
temp = SDL_DisplayFormat(text);
if ( temp != NULL ) {
SDL_FreeSurface(text);
text = temp;
}
/* Wait for a keystroke, and blit text on mouse press */
done = 0;
while ( ! done ) {
if ( SDL_WaitEvent(&event) < 0 ) {
fprintf(stderr, "SDL_PullEvent() error: %s\n",
SDL_GetError());
done = 1;
continue;
}
switch (event.type) {
case SDL_MOUSEBUTTONDOWN:
dstrect.x = event.button.x - text->w/2;
dstrect.y = event.button.y - text->h/2;
dstrect.w = text->w;
dstrect.h = text->h;
if ( SDL_BlitSurface(text, NULL, screen,
&dstrect) == 0 ) {
SDL_UpdateRects(screen, 1, &dstrect);
} else {
fprintf(stderr,
"Couldn't blit text to display: %s\n",
SDL_GetError());
}
break;
case SDL_KEYDOWN:
case SDL_QUIT:
done = 1;
break;
default:
break;
}
}
SDL_FreeSurface(text);
TTF_CloseFont(font);
cleanup(0);
/* Not reached, but fixes compiler warnings */
return 0;
}
