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hyperrogue/screenshot.cpp

342 lines
8.8 KiB
C++

// Hyperbolic Rogue -- screenshots in SVG and PNG formats
// Copyright (C) 2011-2018 Zeno Rogue, see 'hyper.cpp' for details
namespace hr {
#if ISMOBILE==1
namespace svg {
bool in = false;
}
#endif
#if ISMOBILE==0
// svg renderer
namespace svg {
FILE *f;
bool in = false;
ld cta(int col) {
// col >>= 24;
col &= 0xFF;
return col / 255.0;
}
bool invisible(int col) { return (col & 0xFF) == 0; }
ld gamma = .5;
void fixgamma(unsigned int& color) {
unsigned char *c = (unsigned char*) (&color);
for(int i=1; i<4; i++) c[i] = 255 * pow(float(c[i] / 255.0), float(gamma));
}
int svgsize;
int divby = 10;
const char* coord(int val) {
static char buf[10][20];
static int id;
id++; id %= 10;
if(divby == 1) {
sprintf(buf[id], "%d", val); return buf[id];
}
else if(divby <= 10) {
sprintf(buf[id], "%.1f", val*1./divby); return buf[id];
}
else {
sprintf(buf[id], "%.2f", val*1./divby); return buf[id];
}
}
char* stylestr(unsigned int fill, unsigned int stroke, ld width=1) {
fixgamma(fill);
fixgamma(stroke);
static char buf[600];
// printf("fill = %08X stroke = %08x\n", fill, stroke);
if(stroke == 0xFF00FF) {
stroke = 0x000000FF;
if(fill == 0x332a22ff) fill = 0x000000FF;
else if(fill == 0x686868FF) fill = 0x000000FF;
else if(fill == 0xd0d0d0FF) fill = 0x000000FF;
else fill = 0xFFFFFFFF;
}
sprintf(buf, "style=\"stroke:#%06x;stroke-opacity:%.3" PLDF ";stroke-width:%" PLDF "px;fill:#%06x;fill-opacity:%.3" PLDF "\"",
(stroke>>8) & 0xFFFFFF, cta(stroke),
width/divby,
(fill>>8) & 0xFFFFFF, cta(fill)
);
return buf;
}
void circle(int x, int y, int size, int col) {
int ba = (backcolor << 8) + 0xFF;
if(!invisible(col)) {
if(vid.stretch == 1)
fprintf(f, "<circle cx='%s' cy='%s' r='%s' %s/>\n",
coord(x), coord(y), coord(size), stylestr(ba, col));
else
fprintf(f, "<ellipse cx='%s' cy='%s' rx='%s' ry='%s' %s/>\n",
coord(x), coord(y), coord(size), coord(size*vid.stretch), stylestr(ba, col));
}
}
const string *link;
void startstring() {
if(link) fprintf(f, "<a xlink:href=\"%s\" xlink:show=\"replace\">", link->c_str());
}
void stopstring() {
if(link) fprintf(f, "</a>");
}
string font = "Times";
void text(int x, int y, int size, const string& str, bool frame, int col, int align) {
double dfc = (x - vid.xcenter) * (x - vid.xcenter) +
(y - vid.ycenter) * (y - vid.ycenter);
dfc /= vid.radius;
dfc /= vid.radius;
// 0 = center, 1 = edge
dfc = 1 - dfc;
col = 0xFF + (col << 8);
bool uselatex = font == "latex";
if(!invisible(col)) {
startstring();
string str2 = "";
for(int i=0; i<(int) str.size(); i++)
if(str[i] == '&')
str2 += "&amp;";
else if(str[i] == '<')
str2 += "&lt;";
else if(str[i] == '>')
str2 += "&gt;";
else if(uselatex && str[i] == '#')
str2 += "\\#";
else str2 += str[i];
if(uselatex) str2 = string("\\myfont{")+coord(size)+"}{" + str2 + "}";
fprintf(f, "<text x='%s' y='%s' text-anchor='%s' ",
coord(x), coord(y+size*.4),
align == 8 ? "middle" :
align < 8 ? "start" :
"end");
if(!uselatex)
fprintf(f, "font-family='%s' font-size='%s' ", font.c_str(), coord(size));
fprintf(f, "%s>%s</text>",
stylestr(col, frame ? 0x0000000FF : 0, (1<<get_sightrange())*dfc/40), str2.c_str());
stopstring();
fprintf(f, "\n");
}
}
void polygon(int *polyx, int *polyy, int polyi, int col, int outline, double linewidth) {
if(invisible(col) && invisible(outline)) return;
if(polyi < 2) return;
double dfc;
if(!pmodel && hyperbolic) {
int avgx = 0, avgy = 0;
for(int i=0; i<polyi; i++)
avgx += polyx[i],
avgy += polyy[i];
avgx /= polyi;
avgy /= polyi;
dfc = pow(avgx - vid.xcenter, 2) +
pow((avgy - vid.ycenter) / vid.stretch, 2);
dfc /= vid.radius;
dfc /= vid.radius;
// 0 = center, 1 = edge
dfc = 1 - dfc;
if(dfc < 0) dfc = 1;
dfc = max<double>(dfc, 1) * linewidth;
}
else dfc = .8 * linewidth;
startstring();
for(int i=0; i<polyi; i++) {
if(i == 0)
fprintf(f, "<path d=\"M ");
else
fprintf(f, " L ");
fprintf(f, "%s %s", coord(polyx[i]), coord(polyy[i]));
}
fprintf(f, "\" %s/>", stylestr(col, outline, (hyperbolic ? vid.radius : vid.scrsize) *dfc/256));
stopstring();
fprintf(f, "\n");
}
void render(const char *fname, const function<void()>& what) {
dynamicval<videopar> v(vid, vid);
dynamicval<bool> v2(in, true);
dynamicval<int> v5(ringcolor, 0x808080FF);
vid.usingGL = false;
vid.xres = vid.yres = svgsize ? svgsize : min(1 << (get_sightrange()+7), 16384);
calcparam();
dynamicval<bool> v6(inHighQual, true);
darken = 0;
time_t timer;
timer = time(NULL);
char buf[128]; strftime(buf, 128, "svgshot-%y%m%d-%H%M%S.svg", localtime(&timer));
if(!fname) fname = buf;
f = fopen(fname, "wt");
fprintf(f, "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"%s\" height=\"%s\">\n", coord(vid.xres), coord(vid.yres));
what();
fprintf(f, "</svg>\n");
fclose(f);
addMessage(XLAT("Saved the SVG shot to %1 (sightrange %2)", fname, its(get_sightrange())));
}
#if CAP_COMMANDLINE
int read_args() {
using namespace arg;
if(argis("-svgsize")) {
shift(); sscanf(argcs(), "%d/%d", &svg::svgsize, &svg::divby);
}
else if(argis("-svgfont")) {
shift(); svg::font = args();
// note: use '-svgfont latex' to produce text output as: \myfont{size}{text}
// (this is helpful with Inkscape's PDF+TeX output feature; define \myfont yourself)
}
else if(argis("-svggamma")) {
shift(); svg::gamma = argf();
}
else if(argis("-svgshot")) {
PHASE(3); shift(); start_game();
printf("saving SVG screenshot to %s\n", argcs());
svg::render(argcs());
}
else return 1;
return 0;
}
auto ah = addHook(hooks_args, 0, read_args);
#endif
}
#endif
#if CAP_SDL
int pngres = 2000;
int pngformat = 0;
#if CAP_PNG
void IMAGESAVE(SDL_Surface *s, const char *fname) {
SDL_Surface *s2 = SDL_PNGFormatAlpha(s);
SDL_SavePNG(s2, fname);
SDL_FreeSurface(s2);
}
#endif
hookset<void(renderbuffer*)> *hooks_hqshot;
void saveHighQualityShot(const char *fname, const char *caption, int fade) {
resetbuffer rb;
// int maxrange = getDistLimit() * 3/2;
// dynamicval<int> v3(sightrange, (cheater && sightrange < maxrange) ? maxrange : sightrange);
if(cheater) doOvergenerate();
time_t timer;
timer = time(NULL);
dynamicval<videopar> v(vid, vid);
dynamicval<bool> v2(inHighQual, true);
dynamicval<bool> v6(auraNOGL, fname ? true : false);
vid.xres = vid.yres = pngres;
if(pngformat == 1) vid.xres = vid.yres * 4/3;
if(pngformat == 2) vid.xres = vid.yres * 16/9;
if(pngformat == 3) {
vid.xres = vid.yres * 22/16;
while(vid.xres & 15) vid.xres++;
}
// if(vid.pmodel == 0) vid.scale = 0.99;
calcparam();
renderbuffer glbuf(vid.xres, vid.yres, vid.usingGL);
glbuf.enable();
stereo::set_viewport(0);
// printf("format = %d, %d x %d\n", pngformat, vid.xres, vid.yres);
darken = 0;
int numi = (fname?1:2);
for(int i=0; i<numi; i++) {
glbuf.clear(numi==1 ? backcolor : i ? 0xFFFFFF : 0);
#if CAP_RUG
if(rug::rugged)
rug::drawRugScene();
else
#endif
drawfullmap();
drawStats();
callhooks(hooks_hqshot, &glbuf);
if(fade < 255)
for(int y=0; y<vid.yres; y++)
for(int x=0; x<vid.xres; x++) {
int& p = qpixel(s, x, y);
for(int i=0; i<3; i++) {
part(p,i) = (part(p,i) * fade + 127) / 255;
}
}
if(caption)
displayfr(vid.xres/2, vid.fsize+vid.fsize/4, 3, vid.fsize*2, caption, forecolor, 8);
char buf[128]; strftime(buf, 128, "bigshota-%y%m%d-%H%M%S" IMAGEEXT, localtime(&timer));
buf[7] += i;
if(!fname) fname = buf;
IMAGESAVE(glbuf.render(), fname);
if(i == 0) addMessage(XLAT("Saved the high quality shot to %1", fname));
}
rb.reset();
}
#if CAP_COMMANDLINE
int png_read_args() {
using namespace arg;
if(argis("-pngshot")) {
PHASE(3); shift(); start_game();
printf("saving PNG screenshot to %s\n", argcs());
saveHighQualityShot(argcs());
}
else if(argis("-pngsize")) {
shift(); pngres = argi();
}
else if(argis("-pngformat")) {
shift(); pngformat = argi();
}
else return 1;
return 0;
}
auto ah_png = addHook(hooks_args, 0, png_read_args);
#endif
#endif
}