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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <direct/types.h>
#include <directfb.h>
/* macro for a safe call to DirectFB functions */
#define DFBCHECK(x...) \
do { \
int err = x; \
if (err != DFB_OK) { \
fprintf( stderr, "%s <%d>:\n\t", __FILE__, __LINE__ ); \
DirectFBErrorFatal( #x, err ); \
} \
} while (0)
#define ERROR(x...) \
do { \
fprintf (stderr, "%s <%i>: ", __FILE__, __LINE__); \
fprintf (stderr, x); \
fprintf (stderr, "\n"); \
exit (-1); \
} while (0)
static char **fontname_list;
static int fontname_count;
static IDirectFB *dfb;
static IDirectFBEventBuffer *keybuffer;
static IDirectFBDisplayLayer *layer;
static IDirectFBSurface *surface;
static int show_help = 0;
static int show_ascender = 0;
static int show_descender = 0;
static int show_baseline = 0;
static int show_glyphrect = 0;
static int show_glyphadvance = 0;
static int show_glyphorigin = 0;
static int antialias = 1;
static int unicode_mode = 1;
static DFBEnumerationResult
encoding_callback( DFBTextEncodingID id,
const char *name,
void *context )
{
printf( " (%02d) %s\n", id, name );
return DFENUM_OK;
}
static void
render_font_page (IDirectFBSurface *surface,
const char *fontname1,
const char *fontname2)
{
DFBFontDescription fontdesc;
IDirectFBFont *font1, *font2;
int width, height;
int bwidth, bheight;
int xborder, yborder;
int baseoffset;
int ascender, descender;
char label[32];
int i, j;
surface->GetSize (surface, &width, &height);
bwidth = width * 7 / 8;
bheight = height * 7 / 8;
xborder = (width - bwidth) / 2;
yborder = (height - bheight) / 2;
fontdesc.flags = DFDESC_ATTRIBUTES;
fontdesc.attributes = antialias ? 0 : DFFA_MONOCHROME;
// DFBCHECK(dfb->CreateFont (dfb, NULL, NULL, &fixedfont));
// surface->SetFont (surface, fixedfont);
fontdesc.flags = DFDESC_HEIGHT | DFDESC_ATTRIBUTES;
fontdesc.height = 56;//9 * bheight / glyphs_per_yline / 16;
fontdesc.attributes = antialias ? 0 : DFFA_MONOCHROME;
fontdesc.attributes |= unicode_mode ? 0 : DFFA_NOCHARMAP;
if (dfb->CreateFont (dfb, fontname1, &fontdesc, &font1) != DFB_OK) {
static const char *msg = "failed opening '";
char text [strlen(msg) + strlen(fontname1) + 2];
strcpy (text, msg);
strcpy (text + strlen(msg), fontname1);
strcpy (text + strlen(msg) + strlen(fontname1), "'");
printf("GEG: %s\n", text);
surface->SetColor (surface, 0xff, 0x00, 0x00, 0xff);
surface->DrawString (surface,
text, -1, width/2, 10, DSTF_TOPCENTER);
return;
}
if (dfb->CreateFont (dfb, fontname2, &fontdesc, &font2) != DFB_OK) {
static const char *msg = "failed opening '";
char text [strlen(msg) + strlen(fontname2) + 2];
strcpy (text, msg);
strcpy (text + strlen(msg), fontname2);
strcpy (text + strlen(msg) + strlen(fontname2), "'");
printf("GEG: %s\n", text);
surface->SetColor (surface, 0xff, 0x00, 0x00, 0xff);
surface->DrawString (surface,
text, -1, width/2, 10, DSTF_TOPCENTER);
return;
}
{
static bool done = false;
if (!done) {
printf( "\nEncodings %s\n", fontname1 );
font1->EnumEncodings( font1, encoding_callback, NULL );
done = true;
}
}
{
static bool done = false;
if (!done) {
printf( "\nEncodings %s\n", fontname2 );
font2->EnumEncodings( font2, encoding_callback, NULL );
done = true;
}
}
surface->SetFont(surface, font1);
surface->DrawString(surface, "Hello", -1, 100, 100, DSTF_LEFT);
surface->SetFont(surface, font2);
surface->DrawString(surface, "AB", -1, 100, 100, DSTF_LEFT);
font1->Release (font1);
font2->Release (font2);
}
static void
cleanup( void )
{
if (keybuffer) keybuffer->Release (keybuffer);
if (surface) surface->Release (surface);
if (layer) layer->Release (layer);
if (dfb) dfb->Release (dfb);
}
static void
print_usage( void )
{
printf ("DirectFB Font Viewer version " VERSION "\n\n");
printf ("Usage: df_fonts <fontfile> ... <fontfile>\n\n");
}
int
main( int argc, char *argv[] )
{
DFBSurfaceDescription surface_desc;
DFBInputEvent evt;
int first_glyph = 0;
int current_font = 0;
int update = 1;
if (argc < 2 || strcmp(argv[1], "--help") == 0) {
print_usage();
return EXIT_FAILURE;
}
fontname_count = argc - 1;
fontname_list = argv + 1;
DFBCHECK(DirectFBInit(&argc, &argv));
DFBCHECK(DirectFBSetOption("bg-none", NULL));
DFBCHECK(DirectFBCreate(&dfb));
atexit (cleanup);
//dfb->SetCooperativeLevel(dfb, DFSCL_FULLSCREEN);
surface_desc.flags = DSDESC_CAPS;
surface_desc.caps = DSCAPS_PRIMARY /*| DSCAPS_DOUBLE*/;
DFBCHECK(dfb->CreateSurface(dfb, &surface_desc, &surface));
DFBCHECK(dfb->CreateInputEventBuffer(dfb, DICAPS_KEYS,
DFB_FALSE, &keybuffer));
while (1) {
surface->Clear (surface, 0xff, 0xff, 0xff, 0xff);
render_font_page (surface, argv[1], argv[2]);
surface->Flip (surface, NULL, DSFLIP_WAITFORSYNC);
keybuffer->WaitForEvent(keybuffer);
while (keybuffer->GetEvent(keybuffer, DFB_EVENT(&evt)) == DFB_OK) {
}
}
return EXIT_SUCCESS;
}
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