240 lines
9.2 KiB
C
240 lines
9.2 KiB
C
#include "v4k.h"
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int main() {
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window_create(75.0, WINDOW_MSAA8);
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// style: our aliases
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#define FONT_REGULAR FONT_FACE1
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#define FONT_ITALIC FONT_FACE2
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#define FONT_BOLD FONT_FACE3
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#define FONT_JAPANESE FONT_FACE4
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#define FONT_MONOSPACE FONT_FACE5
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#define FONT_WHITE FONT_COLOR1
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#define FONT_GRAY FONT_COLOR2
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#define FONT_ORANGE FONT_COLOR3
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#define FONT_LIME FONT_COLOR4
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#define FONT_GREEN FONT_COLOR5
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#define FONT_CYAN FONT_COLOR6
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#define FONT_LARGEST FONT_H1
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#define FONT_LARGE FONT_H2
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#define FONT_MEDIUM FONT_H3
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#define FONT_NORMAL FONT_H4
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#define FONT_SMALL FONT_H5
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#define FONT_TINY FONT_H6
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// style: atlas size, unicode ranges and font faces (up to 10 faces)
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font_face(FONT_REGULAR, "B612""-Regular.ttf", 48.f, FONT_EU|FONT_AR|FONT_RU|FONT_2048);
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font_face(FONT_ITALIC, "B612""-Italic.ttf", 48.f, FONT_EU|FONT_AR|FONT_RU|FONT_2048);
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font_face(FONT_BOLD, "B612""-Bold.ttf", 48.f, FONT_EU|FONT_AR|FONT_RU|FONT_2048);
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font_face(FONT_JAPANESE, "mplus-1p-medium.ttf", 48.f, FONT_JP|FONT_2048); // CJK|FONT_2048|FONT_OVERSAMPLE_Y);
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font_face(FONT_MONOSPACE, "B612Mono""-Regular.ttf", 24.f, FONT_EU|FONT_512);
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// style: colors (up to 6 colors)
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font_color(FONT_GRAY, RGB4(100,100,100,255));
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font_color(FONT_ORANGE, RGB4(255,192,0,255));
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font_color(FONT_LIME, RGB4(192,255,0,255));
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font_color(FONT_GREEN, RGB4(0,255,192,255));
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font_color(FONT_CYAN, RGB4(0,192,255,255));
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// prepare color highlighting for following code snippet
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const char *source =
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FONT_MONOSPACE FONT_LARGEST
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"int main(int argc, char **argv) {\n"
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" for( int i = 0; i < 10; ++i)\n"
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" puts(\"hello world\");\n"
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" return 0;\n"
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"}\n";
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const void *colors = font_colorize(source, "void,int,char", "if,else,for,do,while,return,switch,case,break,default,");
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// read input file with strings to display
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array(char*) lines = 0;
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for each_substring( vfs_read("pangrams.txt"), "\r\n", it ) array_push(lines, STRDUP(it));
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// panning controls
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vec2 cursor = {0};
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// demo loop
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while( window_swap() && !input(KEY_ESC) ) {
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ddraw_grid(0);
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// pan the viewport
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if (input(MOUSE_L)) {
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cursor.x += input_diff(MOUSE_X);
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cursor.y += input_diff(MOUSE_Y);
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}
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// initial spacing
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font_goto(cursor.x, cursor.y + 50);
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// print a code snippet with syntax highlighting
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font_highlight(source, colors);
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// print a few strings with markup codes
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font_print(
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FONT_REGULAR
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FONT_LARGEST FONT_GRAY "The quick "
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FONT_LARGE FONT_LIME "brown "
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FONT_MEDIUM FONT_GRAY "fox "
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FONT_NORMAL "jumps over "
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FONT_SMALL "the lazy "
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FONT_TINY "dog.\n");
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font_print(
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FONT_REGULAR FONT_LARGE FONT_CYAN
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"Now is the time for all " FONT_ITALIC "good men " FONT_REGULAR "to come to the aid of " FONT_BOLD "the party.\n");
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font_print(
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FONT_ITALIC FONT_LARGE FONT_GREEN
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"Ég get etið gler án þess að meiða mig!\n");
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font_print(
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FONT_BOLD FONT_LARGE FONT_ORANGE
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"Эх, чужак! Общий съём цен шляп (юфть)—вдрызг!.\n");
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font_print(
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FONT_JAPANESE
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"私はガラスを食べられます。それは私を傷つけません。\n");
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font_print( "This text ");
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font_print( "should display concatenated, ");
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font_print( "as there are no linefeeds.\n" );
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// i18n: pangrams.txt file, line browser
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static int counter = 0;
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counter += input_down(KEY_RIGHT)-input_down(KEY_LEFT);
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counter += counter < 0 ? array_count(lines) : 0;
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font_print( va("<< %s >>\n", lines[counter % array_count(lines)]) );
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// this does not work yet. you cant chain alignments yet...
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//font_print(FONT_TOP "Top" FONT_MIDDLE "Middle" FONT_BASELINE "Baseline" FONT_BOTTOM "Bottom\n");
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//font_print(FONT_LEFT "Left" FONT_CENTER "Center" FONT_RIGHT "Right\n");
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// ... alignment must be the first tag in a string for now. this is a temporary hack.
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font_goto(0, window_height()*3/4.);
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font_print(FONT_LEFT "left");
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font_print(FONT_CENTER "center");
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font_print(FONT_RIGHT "right");
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font_print(FONT_TOP FONT_CENTER "top");
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font_print(FONT_MIDDLE FONT_RIGHT "middle");
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font_print(FONT_BASELINE FONT_RIGHT "baseline");
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font_print(FONT_BOTTOM FONT_CENTER "bottom");
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{
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vec2 pos = vec2(cursor.x + 1290, cursor.y + 120);
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ddraw_push_2d();
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char *txt = "This is the first line.\nAnd now the second line.\nYou can do a third great line, too!\n";
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font_goto(pos.x, pos.y);
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vec2 size=font_rect(txt);
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font_metrics_t m=font_metrics(txt);
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ddraw_aabb(vec3(pos.x,pos.y,0), vec3(pos.x+size.x,pos.y+size.y-m.descent+m.linegap,0));
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font_print(txt);
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ddraw_pop_2d();
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}
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{
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vec2 pos = vec2(cursor.x + 1490, cursor.y + 820);
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ddraw_push_2d();
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char *txt = FONT_JUSTIFY FONT_MIDDLE "This is the first line.\nAnd now the second line.\nYou can do a third great line, too!\nNow this is a very long line aaaaaaaaaa!\n";
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font_goto(pos.x, pos.y);
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vec2 size=font_rect(txt);
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font_metrics_t m=font_metrics(txt);
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ddraw_aabb(vec3(pos.x,pos.y,0), vec3(pos.x+size.x,pos.y+size.y-m.descent+m.linegap,0));
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font_clip(txt, vec4(pos.x, pos.y, size.x, size.y));
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ddraw_pop_2d();
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}
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static float max_width = 300.0f;
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{
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vec2 pos = vec2(cursor.x + 2000, cursor.y + 240);
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ddraw_push_2d();
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char *txt = "This is the first line.\n \nAnd now the second line.\n \nYou can do a third great line, too!\n \nNow this is a very long line aaaaaaaaaa!\n";
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font_goto(pos.x, pos.y);
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const char *wrapped_text = font_wrap(txt, max_width);
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vec2 size=font_rect(wrapped_text);
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font_metrics_t m=font_metrics(wrapped_text);
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ddraw_aabb(vec3(pos.x,pos.y,0), vec3(pos.x+size.x,pos.y+size.y-m.descent+m.linegap,0));
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font_clip(wrapped_text, vec4(pos.x, pos.y, size.x, size.y));
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ddraw_pop_2d();
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}
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{
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vec2 pos = vec2(cursor.x + 1490, cursor.y + 240);
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ddraw_push_2d();
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char *txt = "This is the first line.\nAnd now the second line.\nYou can do a third great line, too!\nNow this is a very long line aaaaaaaaaa!\n";
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font_goto(pos.x, pos.y);
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vec2 size=font_rect(txt);
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size.y -= 20; // artifically shrink textbox to test clipping
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font_metrics_t m=font_metrics(txt);
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ddraw_aabb(vec3(pos.x,pos.y,0), vec3(pos.x+size.x,pos.y+size.y-m.descent+m.linegap,0));
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font_clip(txt, vec4(pos.x, pos.y, size.x, size.y));
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ddraw_pop_2d();
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}
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{
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vec2 pos = vec2(cursor.x + 1990, cursor.y + 820);
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ddraw_push_2d();
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char *txt = FONT_RIGHT FONT_BOTTOM
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FONT_WHITE "This is the first line.\n"
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FONT_LIME "And now the second line.\n"
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FONT_WHITE "You can do a third"
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FONT_ORANGE " great"
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FONT_WHITE " line, too!\n";
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font_goto(pos.x, pos.y);
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vec2 size=font_rect(txt);
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font_metrics_t m=font_metrics(txt);
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ddraw_aabb(vec3(pos.x,pos.y,0), vec3(pos.x+size.x,pos.y+size.y-m.descent+m.linegap+100,0));
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font_clip(txt, vec4(pos.x, pos.y, size.x, size.y+100));
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ddraw_pop_2d();
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}
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{
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vec2 pos = vec2(cursor.x + 830, cursor.y + 80);
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ddraw_push_2d();
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char *txt = "Very iffy global text.";
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font_goto(pos.x, pos.y);
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vec2 size=font_rect(txt);
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ddraw_aabb(vec3(pos.x,pos.y,0), vec3(pos.x+size.x,pos.y+size.y,0));
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font_print(txt);
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ddraw_pop_2d();
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}
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{
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vec2 pos = vec2(cursor.x + 830, cursor.y + 160);
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ddraw_push_2d();
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char *txt = FONT_H1 "Very iffy global text.";
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font_goto(pos.x, pos.y);
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vec2 size=font_rect(txt);
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ddraw_aabb(vec3(pos.x,pos.y,0), vec3(pos.x+size.x,pos.y+size.y,0));
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font_print(txt);
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ddraw_pop_2d();
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}
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for (int i = 1; i <= 6; i++) {
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vec2 pos = vec2(cursor.x + 830, cursor.y + 550 + 55*(i+1));
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ddraw_push_2d();
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char *txt = va("%cTest line %d", i, i);
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font_goto(pos.x, pos.y);
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vec2 size=font_rect(txt);
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ddraw_aabb(vec3(pos.x,pos.y,0), vec3(pos.x+size.x,pos.y+size.y,0));
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font_print(txt);
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ddraw_pop_2d();
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}
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if (ui_panel("Fonts", 0)) {
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ui_font();
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ui_panel_end();
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}
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if (ui_panel("Textbox", 0)) {
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ui_float("Max width", &max_width);
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ui_panel_end();
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}
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}
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}
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