int main(int argc,char **argv) {
SDL_Color white={255,255,255,255};
SDL_Event event;
SDL_Rect dest;
int height,width;
SDL_Init(SDL_INIT_VIDEO);
TTF_Init();
window=SDL_CreateWindow("Font",SDL_WINDOWPOS_UNDEFINED,SDL_WINDOWPOS_UNDEFINED,
640,400,0);
renderer=SDL_CreateRenderer(window,-1,0);
if(!(font=TTF_OpenFont("c:/windows/fonts/times.ttf",40))) return 1;
SDL_Texture *texture=rendertext("Whee, hello world!",white);
SDL_QueryTexture(texture,NULL,NULL,&width,&height);
while(1) {
while(!SDL_PollEvent(&event)) SDL_Delay(10);
if(event.type==SDL_QUIT) break;
if(event.type==SDL_KEYDOWN) break;
if(event.type==SDL_MOUSEBUTTONDOWN) break;
SDL_RenderClear(renderer);
dest.x=(640-width)/2;
dest.y=(400-height)/2;
dest.w=width;
dest.h=height;
SDL_RenderCopy(renderer,texture,0,&dest);
SDL_RenderPresent(renderer);
}
SDL_DestroyTexture(texture);
TTF_CloseFont(font);
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
TTF_Quit();
SDL_Quit();
return 0;
}
ofxPangoCairo::ofxPangoCairo() {
surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 1024, 768);
cr = cairo_create(surface);
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
cairo_paint(cr);
rendertext(cr);
cairo_destroy(cr);
status = cairo_surface_write_to_png(surface, ofToDataPath("out.png").c_str());
cairo_surface_destroy(surface);
if (status != CAIRO_STATUS_SUCCESS) {
// if 'status' was not set to indicate a successful operation when saving as a png, error
printf("Could not save to png, \"out.png\"\n");
}
}
char*
loadhtml(int fd)
{
URLwin *u;
Bytes *b;
int n;
char buf[4096];
u = emalloc(sizeof(URLwin));
u->infd = fd;
u->outfd = 1;
u->url = estrdup(url);
u->type = TextHtml;
b = emalloc(sizeof(Bytes));
while((n = read(fd, buf, sizeof buf)) > 0)
growbytes(b, buf, n);
if(b->b == nil)
return nil; /* empty file */
rendertext(u, b);
freeurlwin(u);
return nil;
}
int main(int argc,char **argv){
cairo_t *cr;
cairo_status_t status;
cairo_surface *surface;
surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,300,100);
cr = cairo_create(surface);
cairo_set_source_rgb(cr,1.0,1.0,1.0);
cairo_paint(cr);
rendertext(cr);
cairo_destroy(cr);
status = cairo_surface_write_to_png(surface,"out.png");
cairo_surface_destroy(surface);
return 0;
}
static fz_error *
rendernode(fz_renderer *gc, fz_node *node, fz_matrix ctm)
{
if (!node)
return fz_okay;
gc->flag = FNONE;
if (gc->over)
gc->flag |= FOVER;
switch (node->kind)
{
case FZ_NOVER:
return renderover(gc, (fz_overnode*)node, ctm);
case FZ_NMASK:
return rendermask(gc, (fz_masknode*)node, ctm);
case FZ_NTRANSFORM:
return rendertransform(gc, (fz_transformnode*)node, ctm);
case FZ_NCOLOR:
return rendersolid(gc, (fz_solidnode*)node, ctm);
case FZ_NPATH:
return renderpath(gc, (fz_pathnode*)node, ctm);
case FZ_NTEXT:
return rendertext(gc, (fz_textnode*)node, ctm);
case FZ_NIMAGE:
return renderimage(gc, (fz_imagenode*)node, ctm);
case FZ_NSHADE:
return rendershade(gc, (fz_shadenode*)node, ctm);
case FZ_NLINK:
return rendernode(gc, ((fz_linknode*)node)->tree->root, ctm);
case FZ_NBLEND:
return fz_okay;
}
return fz_okay;
}
int main(int argc, char *argv[])
{
int fbdev,c,option_index;
unsigned int alpha;
struct fb_var_screeninfo var;
struct fb_fix_screeninfo fix;
/* Check which console we're running on */
init_consoles();
alpha = 100;
while (1) {
static struct option long_options[] = {
{"help", 0, 0, 'h'},
{"verbose", 0, 0, 'v'},
{"alpha", 1, 0, 'a'},
{"version", 0, 0, 'V'},
{"start-console",0,0,'S'},
{"size",1,0,'s'},
{"console",1,0,'c'},
{"font",1,0,'f'},
{"textcolor",1,0,'t'},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv, "a:x:y:h?vVSc:f:t:s:",
long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 'a':
alpha = atoi(optarg);
if (alpha > 100)
alpha = 100;
break;
case 'x':
fbxpos = atoi(optarg);
break;
case 'y':
fbypos = atoi(optarg);
break;
case '?':
case 'h':
usage(argv[0]);
exit(0);
case 'v':
verbose = 1;
break;
case 'V':
version();
exit(0);
case 'c':
start_console=atoi(optarg)-1;
case 'S':
sconly=1;
break;
case 'f':
strict_font=1;
font=strdup(optarg);
break;
case 't':
fgcolor=strtol(optarg, NULL, 16);
break;
case 's':
fontsize=strtol(optarg, NULL, 10);
break;
default:
break;
}
}
if (optind >= argc) {
printf("No text\n");
exit(0);
}
/* Initialize framebuffer */
fbdev = open("/dev/fb/0", O_RDWR);
if (fbdev < 0) {
fbdev = open("/dev/fb0", O_RDWR);
if (fbdev < 0) {
fprintf(stderr, "error while opening framebuffer.\n");
exit(fbdev);
}
}
ioctl(fbdev, FBIOGET_VSCREENINFO, &var);
fbbytes = var.bits_per_pixel>>3;
fbx=var.xres;
fby=var.yres;
ioctl(fbdev, FBIOGET_FSCREENINFO, &fix);
fblinelen = fix.line_length;
framebuffer = mmap(NULL, fblinelen* fby ,
PROT_WRITE | PROT_READ, MAP_SHARED, fbdev, var.yoffset * fblinelen);
rendertext (argv[optind], font, fontsize, fgcolor);
return 0;
}
int kernel_main() {
ConsoleDesc cd = {0, 0xf0, (unsigned short *)0xb8000};
Console c = &cd;
cclear(c,0xff);
{
const u16 com1 = 0x3f8;
outb(com1 + 1, 0x00); // Disable all interrupts
outb(com1 + 3, 0x80); // Enable DLAB (set baud rate divisor)
outb(com1 + 0, 0x03); // Set divisor to 3 (lo byte) 38400 baud
outb(com1 + 1, 0x00); // (hi byte)
outb(com1 + 3, 0x03); // 8 bits, no parity, one stop bit
outb(com1 + 2, 0xC7); // Enable FIFO, clear them, with 14-byte threshold
outb(com1 + 4, 0x0B); // IRQs enabled, RTS/DSR set
if (0) {
for (;;) {
if(inb(com1 + 5) & 1) {
char ch = inb(com1);
cputc(c, ch);
}
}
}
}
pciscan(c); // This is to test pci traversal.
// Ethernet
if (0) {
PciConf eth = pciconfread(0, 3);
cprintpciconf(c, eth);
e1000init(0, ð, c);
}
// for (;;);
// Instead of a proper memory allocator we just allocate permanently
// from one large Arena, this is only a temporary solution.
// Eventually we want to guarantee that processes and tasks get
// different arenas with potential overlap in a single address
// space.
Arena* a;
arenainit(a, 1000*1000*1000*sizeof(u8), (void *)0x100000);
// Functions that need to allocate memory need to be passed a memory
// arena as part of their execution context.
// initialize all known hardware, so far there is no dynamic device
// discovery, instead we hardcode the locations of the devices on
// the pci bus
// AcpiDesc acpi = {};
// acpiinit(&acpi, c);
// nvme
if (0) {
PciConf conf = pciconfread(0,3);
cprintpciconf(c, conf);
nvmepciinit(a, c, conf);
}
// Ahci code doesn't work yet.
// ahcipciinit(a, c, 0, 4);
// Eventually we want to enable all CPU features found during detection.
cpudetect(c);
{
M44 m = (M44){1,1,0,0,
0,1,0,0,
0,0,1,0,
0,0,0,1};
V4 v = {1,
0,
0,
0};
V4 w = {0,
1,
0,
0};
V4 u = v4avv(v, w);
cprintv4(c, u);
cprintv4(c, v4msv(2, u));
cprintv4(c, v4mmv(m44i(), u));
cprintm44(c, m44i());
cprintm44(c, v4msm(2, m44i()));
cprintm44(c, v4mmm(v4msm(2, m44i()), m44i()));
cprintm44(c, v4mmm(m, m));
}
for (;;);
// Graphics only work with bochs emulator
{
u32 *framebufferaddr;
{
// 0x1234:0x1111
PciConf vesa = pciconfread(0, 2);
framebufferaddr = (u32 *)vesa.dev.base_address_register[0].address;
}
vbeset(1920, 1200, 32);
int offset = 0;
// clear the screen to light grey
for (int i = 0; i < 1920; ++i) {
for (int j = 0; j<1200; ++j) {
offset = (j * 1920 + i);
// Format is 0x00rrggbb, can use first byte for alpha blending / z-buffering
framebufferaddr[offset] = 0x00eeeeee;
}
}
// draw a "line"
for (int i = 0; i < 1920; ++i) {
offset = (50 * 1920 + i);
// Format is 0x00rrggbb, can use first byte for alpha blending
framebufferaddr[offset] = 0x00ff0000;
}
{
float t = 0;
BezierData b = {
4,
{{50, 68, 0, 0}, {70, 220, 0, 0}, {80, 40, 0, 0}, {90, 100, 0, 0}}};
while (t < 1) {
V4 v = evcubicbezier(b, t);
int offset = (u32)(v.v[1]) * 1920 + (u32)(v.v[0]);
framebufferaddr[offset] = 0x000000ff;
t += 0.00001;
}
}
{
float t = 0;
BezierData b = {
4,
{{10, 20, 0, 0}, {70, 10, 0, 0}, {80, 40, 0, 0}, {90, 100, 0, 0}}};
while (t < 1) {
V4 v = evcubicbezier(b, t);
int offset = (u32)(v.v[1]) * 1920 + (u32)(v.v[0]);
framebufferaddr[offset] = 0x0000ff00;
t += 0.00001;
}
}
for (;;);
u32* buf = renderglyphs(a);
copyrect(framebufferaddr, buf, 0, 20, 98);
rendertext(framebufferaddr, buf, "Hello World.", 0, 50);
rendertext(framebufferaddr, buf, "Hello World.", 0, 66);
rendertext(framebufferaddr, buf, "This is a test.", 0, 96);
rendertext(framebufferaddr, buf, "Hello World.", 8*20, 82);
rendertext(framebufferaddr, buf, "12 23 45 332", 8*20, 60*16);
}
for (;;) {}
}
static fz_error *
rendermask(fz_renderer *gc, fz_masknode *mask, fz_matrix ctm)
{
fz_error *error;
int oldmaskonly;
fz_pixmap *oldover;
fz_irect oldclip;
fz_irect bbox;
fz_irect clip;
fz_pixmap *shapepix = nil;
fz_pixmap *colorpix = nil;
fz_node *shape;
fz_node *color;
float rgb[3];
shape = mask->super.first;
color = shape->next;
/* special case black voodo */
if (gc->flag & FOVER)
{
if (fz_issolidnode(color))
{
fz_solidnode *solid = (fz_solidnode*)color;
fz_convertcolor(solid->cs, solid->samples, gc->model, rgb);
gc->argb[0] = solid->a * 255;
gc->argb[1] = rgb[0] * solid->a * 255;
gc->argb[2] = rgb[1] * solid->a * 255;
gc->argb[3] = rgb[2] * solid->a * 255;
gc->argb[4] = rgb[0] * 255;
gc->argb[5] = rgb[1] * 255;
gc->argb[6] = rgb[2] * 255;
gc->flag |= FRGB;
/* we know these can handle the FRGB shortcut */
if (fz_ispathnode(shape))
return renderpath(gc, (fz_pathnode*)shape, ctm);
if (fz_istextnode(shape))
return rendertext(gc, (fz_textnode*)shape, ctm);
if (fz_isimagenode(shape))
return renderimage(gc, (fz_imagenode*)shape, ctm);
}
}
oldclip = gc->clip;
oldover = gc->over;
bbox = fz_roundrect(fz_boundnode(shape, ctm));
clip = fz_intersectirects(bbox, gc->clip);
bbox = fz_roundrect(fz_boundnode(color, ctm));
clip = fz_intersectirects(bbox, clip);
if (fz_isemptyrect(clip))
return fz_okay;
DEBUG("mask [%d %d %d %d]\n{\n", clip.x0, clip.y0, clip.x1, clip.y1);
{
fz_irect sbox = fz_roundrect(fz_boundnode(shape, ctm));
fz_irect cbox = fz_roundrect(fz_boundnode(color, ctm));
if (cbox.x0 >= sbox.x0 && cbox.x1 <= sbox.x1)
if (cbox.y0 >= sbox.y0 && cbox.y1 <= sbox.y1)
DEBUG("potentially useless mask\n");
}
gc->clip = clip;
gc->over = nil;
oldmaskonly = gc->maskonly;
gc->maskonly = 1;
error = rendernode(gc, shape, ctm);
if (error)
goto cleanup;
shapepix = gc->dest;
gc->dest = nil;
gc->maskonly = oldmaskonly;
error = rendernode(gc, color, ctm);
if (error)
goto cleanup;
colorpix = gc->dest;
gc->dest = nil;
gc->clip = oldclip;
gc->over = oldover;
if (shapepix && colorpix)
{
if (gc->over)
{
blendmask(gc, colorpix, shapepix, gc->over, 1);
}
else
{
clip.x0 = MAX(colorpix->x, shapepix->x);
clip.y0 = MAX(colorpix->y, shapepix->y);
clip.x1 = MIN(colorpix->x+colorpix->w, shapepix->x+shapepix->w);
clip.y1 = MIN(colorpix->y+colorpix->h, shapepix->y+shapepix->h);
error = fz_newpixmapwithrect(&gc->dest, clip, colorpix->n);
if (error)
goto cleanup;
blendmask(gc, colorpix, shapepix, gc->dest, 0);
}
}
DEBUG("}\n");
if (shapepix) fz_droppixmap(shapepix);
if (colorpix) fz_droppixmap(colorpix);
return fz_okay;
cleanup:
if (shapepix) fz_droppixmap(shapepix);
if (colorpix) fz_droppixmap(colorpix);
return error;
}
int main(int argc, char** argv)
{
cairo_t *cr;
cairo_status_t status;
cairo_surface_t *surface;
//FT_Bitmap bmp = {0};
int stride = 0;
int width = 640;
int height = 480;
bool ok = FcConfigAppFontAddFile(NULL, (FcChar8*)"fonts/ComicSansAfrica.ttf");
if (!ok)
{
printf("Failed to load ComicSansAfrica.ttf\n");
}
FcChar8 *configName = FcConfigFilename(NULL);
printf("%s", (const char*)configName);
printf("\n");
FcConfig* config = FcConfigCreate();
FcConfigParseAndLoad(config, configName, true);
FcConfigSetCurrent(config);
/* FT buffer */
//FT_Bitmap_New(&bmp);
//bmp.rows = height;
//bmp.width = width;
//bmp.buffer = (unsigned char*)malloc(bmp.rows * bmp.width * 4);
// if (NULL == bmp.buffer)
// {
// printf("+ error: cannot allocate the buffer for the output bitmap.\n");
// exit(EXIT_FAILURE);
// }
//bmp.pitch = ((width+3) & -4) * 4;
//bmp.pixel_mode = FT_PIXEL_MODE_BGRA;
//printf("%d\n", bmp.pitch);
//stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width);
//printf("%d\n", stride);
//surface = cairo_image_surface_create_for_data(bmp.buffer, CAIRO_FORMAT_ARGB32, width, height, stride);
surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
if (CAIRO_STATUS_SUCCESS != cairo_surface_status(surface)) {
printf("+ error: couldn't create the surface.\n");
exit(EXIT_FAILURE);
}
cr = cairo_create(surface);
if (CAIRO_STATUS_NO_MEMORY == cairo_status(cr)) {
printf("+ error: out of memory, cannot create cairo_t*\n");
exit(EXIT_FAILURE);
}
cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0);
cairo_paint(cr);
rendertext(cr);
status = cairo_surface_write_to_png(surface, "out.png");
cairo_surface_destroy(surface);
cairo_destroy(cr);
return 0;
}
int main(int argc, char *argv[])
{
char textstr[4096];
char ** line;
int * len;
int lines;
int i;
int fbdev,c,option_index;
unsigned int alpha;
ssize_t read(int fd, void *buf, size_t count);
struct fb_var_screeninfo var;
struct fb_fix_screeninfo fix;
/* Initialize consoles */
init_consoles();
alpha = 100;
while (1) {
static struct option long_options[] = {
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{"info", no_argument, 0, 'i'},
{"zygote", no_argument, 0, 'z'},
{"power", no_argument, 0, 'p'},
{"clear", no_argument, 0, 'c'},
{"brightness", required_argument, 0, 'b'},
{"boxwidth", required_argument, 0, 'w'},
{"font", required_argument, 0, 'f'},
{"size", required_argument, 0, 's'},
{"textcolor", required_argument, 0, 't'},
{"alpha", required_argument, 0, 'a'},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv, ":x:y:h?Vizpcb:w:f:s:t:a:",
long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 'x':
fbxpos = atoi(optarg);
break;
case 'y':
fbypos = atoi(optarg);
break;
case '?':
case 'h':
usage(argv[0]);
exit(0);
case 'V':
version();
exit(0);
case 'i':
display_info();
exit(0);
case 'z':
if (optind >= argc) {
printf("No text\n");
exit(0);
}
printf("Zygote Mode.\n");
printf("Waiting for display to sleep...\n");
wait_sleep();
power_display();
set_brightness(brightness,blen);
wait_wake();
clear_display();
break;
case 'p':
power_key();
exit(0);
case 'c':
clear_display();
printf("Device display cleared.\n");
exit(0);
case 'b':
brightness = atoi(optarg);
if (brightness > 100 && brightness <= 255 ) {
blen = 3;
} else if (brightness <= 99 && brightness >= 10 ) {
blen = 2;
} else if (brightness <= 9 && brightness >= 0 ) {
blen = 1;
}
break;
case 'w':
boxwidth = atoi(optarg);
break;
case 'f':
strict_font=1;
font=strdup(optarg);
break;
case 's':
fontsize=strtol(optarg, NULL, 10);
break;
case 't':
if (strlen(optarg) != 6) {
printf("Invalid color!\n");
exit(0);
}
fontcolor=strtol(optarg, NULL, 16);
break;
case 'a':
alpha = atoi(optarg);
if (alpha > 100)
alpha = 100;
break;
default:
break;
}
}
if (optind >= argc) {
printf("No text\n");
exit(0);
}
// Power on display
power_display();
// Set the brightness
set_brightness(brightness,blen);
// Initialize framebuffer
fbdev = open("/dev/graphics/fb0", O_RDWR);
if (fbdev < 0) {
fprintf(stderr, "Error opening framebuffer on device.\n");
exit(fbdev);
}
ioctl(fbdev, FBIOGET_VSCREENINFO, &var);
fbbytes = var.bits_per_pixel>>3;
fbx=var.xres;
fby=var.yres;
ioctl(fbdev, FBIOGET_FSCREENINFO, &fix);
fblinelen = fix.line_length;
fbyposoff = fbypos;
lines = strwrap(argv[optind], boxwidth, &line, &len);
for (i = 0; i < lines; i++)
{
if (i > 0)
{
fbypos += fontsize;
}
if (fbypos + fontsize >= fby - fbyposoff)
{
exit(0);
}
strncpy(textstr, line[i], len[i]);
textstr[len[i]] = '\0';
//printf("%4d |%-*s|\n", len[i], boxwidth, argv[optind]);
framebuffer = mmap(NULL, fblinelen* fby ,
PROT_WRITE | PROT_READ, MAP_SHARED, fbdev, var.yoffset * fblinelen);
rendertext (("%s", len[i], boxwidth, textstr), font, fontsize, reverse(fontcolor));
}
free(line);
free(len);
return 0;
}
void DispSubsByPosition(gint64 position, CustomData *data)
{
char curTotlaTime[40], curMin[5], curSec[5], curenthours[5], milsectimeBuf[5];
char endTImeLine[100] = "--> ";
guint milSec = 9999999;
milSec = position / GST_MSECOND;
guint sec = ((milSec % (1000*60*60)) % (1000*60)) / 1000;
guint min = (milSec % (1000*60*60)) / (1000*60);
guint hours = milSec / (1000 * 60 * 60);
guint milsec2 = ((position / GST_MSECOND) % 1000) / 10;
sprintf(curenthours, "0%d", hours);
if(sec < 10)
{
sprintf(curSec, "0%d", sec);
}
else
{
sprintf(curSec, "%d", sec);
}
if(min < 10)
{
sprintf(curMin, "0%d", min);
}
else
{
sprintf(curMin, "%d", min);
}
if(milsec2 < 10)
{
sprintf(milsectimeBuf, "0%d", milsec2);
}
else
{
sprintf(milsectimeBuf, "%d", milsec2);
}
if(data->IsSubtitlesLoaded)
{
curTotlaTime[0] = 0;
strcat(curTotlaTime, curenthours);
strcat(curTotlaTime, ":");
strcat(curTotlaTime, curMin);
strcat(curTotlaTime, ":");
strcat(curTotlaTime, curSec);
strcat(curTotlaTime, ":");
strcat(curTotlaTime, milsectimeBuf);
strcat(endTImeLine, curTotlaTime);
int Hresult;
hm_get(data->hm, curTotlaTime, data->Hbuf, sizeof(data->Hbuf));
if(hm_exists(data->hm, curTotlaTime))
{
Hresult = hm_get(data->hm, curTotlaTime, data->Hbuf, sizeof(data->Hbuf));
if(Hresult == 0)
{
g_error("Value from hash table not found");
}
ClearSubsWindow(data);//Clear subtitles window before new text render
rendertext(data, data->subs_window);
g_print("%s", data->Hbuf);
}
else if(hm_exists(data->hm, endTImeLine))
{
//We have to use ClearSubsWindow twise to clear subs window
ClearSubsWindow(data);
strcpy(data->Hbuf, "1");//Must have a string and not an empty one neither spase
rendertext(data, data->subs_window);
ClearSubsWindow(data);
}
}
}
