--- /dev/null
+#pragma warning(disable:4244; disable:4305; disable:4018)
+#include <assert.h>
+#include <ctype.h>
+
+#define STB_WINMAIN
+#include "stb_wingraph.h"
+
+#define STB_TRUETYPE_IMPLEMENTATION
+#define STB_RECT_PACK_IMPLEMENTATION
+#include "stb_rect_pack.h"
+#include "stb_truetype.h"
+
+#ifndef WINGDIAPI
+#define CALLBACK __stdcall
+#define WINGDIAPI __declspec(dllimport)
+#define APIENTRY __stdcall
+#endif
+
+#include <gl/gl.h>
+#include <gl/glu.h>
+
+#define GL_FRAMEBUFFER_SRGB_EXT 0x8DB9
+
+#define SIZE_X 1024
+#define SIZE_Y 768
+
+stbtt_packedchar chardata[6][128];
+
+int sx=SIZE_X, sy=SIZE_Y;
+
+#define BITMAP_W 512
+#define BITMAP_H 512
+unsigned char temp_bitmap[BITMAP_W][BITMAP_H];
+unsigned char ttf_buffer[1 << 25];
+GLuint font_tex;
+
+float scale[2] = { 24.0f, 14.0f };
+
+int sf[6] = { 0,1,2, 0,1,2 };
+
+void load_fonts(void)
+{
+ stbtt_pack_context pc;
+ int i;
+ FILE *f;
+ char filename[256];
+ char *win = getenv("windir");
+ if (win == NULL) win = getenv("SystemRoot");
+
+ f = fopen(stb_wingraph_commandline, "rb");
+ if (!f) {
+ if (win == NULL)
+ sprintf(filename, "arial.ttf", win);
+ else
+ sprintf(filename, "%s/fonts/arial.ttf", win);
+ f = fopen(filename, "rb");
+ if (!f) exit(0);
+ }
+
+ fread(ttf_buffer, 1, 1<<25, f);
+
+ stbtt_PackBegin(&pc, temp_bitmap[0], BITMAP_W, BITMAP_H, 0, 1, NULL);
+ for (i=0; i < 2; ++i) {
+ stbtt_PackSetOversampling(&pc, 1, 1);
+ stbtt_PackFontRange(&pc, ttf_buffer, 0, scale[i], 32, 95, chardata[i*3+0]+32);
+ stbtt_PackSetOversampling(&pc, 2, 2);
+ stbtt_PackFontRange(&pc, ttf_buffer, 0, scale[i], 32, 95, chardata[i*3+1]+32);
+ stbtt_PackSetOversampling(&pc, 3, 1);
+ stbtt_PackFontRange(&pc, ttf_buffer, 0, scale[i], 32, 95, chardata[i*3+2]+32);
+ }
+ stbtt_PackEnd(&pc);
+
+ glGenTextures(1, &font_tex);
+ glBindTexture(GL_TEXTURE_2D, font_tex);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, BITMAP_W, BITMAP_H, 0, GL_ALPHA, GL_UNSIGNED_BYTE, temp_bitmap);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+}
+
+int black_on_white;
+
+void draw_init(void)
+{
+ glDisable(GL_CULL_FACE);
+ glDisable(GL_TEXTURE_2D);
+ glDisable(GL_LIGHTING);
+ glDisable(GL_DEPTH_TEST);
+
+ glViewport(0,0,sx,sy);
+ if (black_on_white)
+ glClearColor(255,255,255,0);
+ else
+ glClearColor(0,0,0,0);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(0,sx,sy,0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+
+void drawBoxTC(float x0, float y0, float x1, float y1, float s0, float t0, float s1, float t1)
+{
+ glTexCoord2f(s0,t0); glVertex2f(x0,y0);
+ glTexCoord2f(s1,t0); glVertex2f(x1,y0);
+ glTexCoord2f(s1,t1); glVertex2f(x1,y1);
+ glTexCoord2f(s0,t1); glVertex2f(x0,y1);
+}
+
+int integer_align;
+
+void print(float x, float y, int font, char *text)
+{
+ glEnable(GL_TEXTURE_2D);
+ glBindTexture(GL_TEXTURE_2D, font_tex);
+ glBegin(GL_QUADS);
+ while (*text) {
+ stbtt_aligned_quad q;
+ stbtt_GetPackedQuad(chardata[font], BITMAP_W, BITMAP_H, *text++, &x, &y, &q, font ? 0 : integer_align);
+ drawBoxTC(q.x0,q.y0,q.x1,q.y1, q.s0,q.t0,q.s1,q.t1);
+ }
+ glEnd();
+}
+
+int font=3;
+int translating;
+int rotating=0;
+int srgb=0;
+float rotate_t, translate_t;
+int show_tex;
+
+void draw_world(void)
+{
+ int sfont = sf[font];
+ float x = 20;
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ if (black_on_white)
+ glColor3f(0,0,0);
+ else
+ glColor3f(1,1,1);
+
+
+ print(80, 30, sfont, "Controls:");
+ print(100, 60, sfont, "S: toggle font size");
+ print(100, 85, sfont, "O: toggle oversampling");
+ print(100,110, sfont, "T: toggle translation");
+ print(100,135, sfont, "R: toggle rotation");
+ print(100,160, sfont, "P: toggle pixel-snap (only non-oversampled)");
+ print(100,185, sfont, "G: toggle srgb gamma-correction");
+ if (black_on_white)
+ print(100,210, sfont, "B: toggle to white-on-black");
+ else
+ print(100,210, sfont, "B: toggle to black-on-white");
+ print(100,235, sfont, "V: view font texture");
+
+ print(80, 300, sfont, "Current font:");
+
+ if (!show_tex) {
+ if (font < 3)
+ print(100, 350, sfont, "Font height: 24 pixels");
+ else
+ print(100, 350, sfont, "Font height: 14 pixels");
+ }
+
+ if (font%3==1)
+ print(100, 325, sfont, "2x2 oversampled text at 1:1");
+ else if (font%3 == 2)
+ print(100, 325, sfont, "3x1 oversampled text at 1:1");
+ else if (integer_align)
+ print(100, 325, sfont, "1:1 text, one texel = one pixel, snapped to integer coordinates");
+ else
+ print(100, 325, sfont, "1:1 text, one texel = one pixel");
+
+ if (show_tex) {
+ glBegin(GL_QUADS);
+ drawBoxTC(200,400, 200+BITMAP_W,300+BITMAP_H, 0,0,1,1);
+ glEnd();
+ } else {
+ glMatrixMode(GL_MODELVIEW);
+ glTranslatef(200,350,0);
+
+ if (translating)
+ x += fmod(translate_t*8,30);
+
+ if (rotating) {
+ glTranslatef(100,150,0);
+ glRotatef(rotate_t*2,0,0,1);
+ glTranslatef(-100,-150,0);
+ }
+ print(x,100, font, "This is a test");
+ print(x,130, font, "Now is the time for all good men to come to the aid of their country.");
+ print(x,160, font, "The quick brown fox jumps over the lazy dog.");
+ print(x,190, font, "0123456789");
+ }
+}
+
+void draw(void)
+{
+ draw_init();
+ draw_world();
+ stbwingraph_SwapBuffers(NULL);
+}
+
+static int initialized=0;
+static float last_dt;
+
+int move[4];
+int raw_mouse_x, raw_mouse_y;
+
+int loopmode(float dt, int real, int in_client)
+{
+ float actual_dt = dt;
+
+ if (!initialized) return 0;
+
+ rotate_t += dt;
+ translate_t += dt;
+
+// music_sim();
+ if (!real)
+ return 0;
+
+ if (dt > 0.25) dt = 0.25;
+ if (dt < 0.01) dt = 0.01;
+
+ draw();
+
+ return 0;
+}
+
+int winproc(void *data, stbwingraph_event *e)
+{
+ switch (e->type) {
+ case STBWGE_create:
+ break;
+
+ case STBWGE_char:
+ switch(e->key) {
+ case 27:
+ stbwingraph_ShowCursor(NULL,1);
+ return STBWINGRAPH_winproc_exit;
+ break;
+ case 'o': case 'O':
+ font = (font+1) % 3 + (font/3)*3;
+ break;
+ case 's': case 'S':
+ font = (font+3) % 6;
+ break;
+ case 't': case 'T':
+ translating = !translating;
+ translate_t = 0;
+ break;
+ case 'r': case 'R':
+ rotating = !rotating;
+ rotate_t = 0;
+ break;
+ case 'p': case 'P':
+ integer_align = !integer_align;
+ break;
+ case 'g': case 'G':
+ srgb = !srgb;
+ if (srgb)
+ glEnable(GL_FRAMEBUFFER_SRGB_EXT);
+ else
+ glDisable(GL_FRAMEBUFFER_SRGB_EXT);
+ break;
+ case 'v': case 'V':
+ show_tex = !show_tex;
+ break;
+ case 'b': case 'B':
+ black_on_white = !black_on_white;
+ break;
+ }
+ break;
+
+ case STBWGE_mousemove:
+ raw_mouse_x = e->mx;
+ raw_mouse_y = e->my;
+ break;
+
+#if 0
+ case STBWGE_mousewheel: do_mouse(e,0,0); break;
+ case STBWGE_leftdown: do_mouse(e, 1,0); break;
+ case STBWGE_leftup: do_mouse(e,-1,0); break;
+ case STBWGE_rightdown: do_mouse(e,0, 1); break;
+ case STBWGE_rightup: do_mouse(e,0,-1); break;
+#endif
+
+ case STBWGE_keydown:
+ if (e->key == VK_RIGHT) move[0] = 1;
+ if (e->key == VK_LEFT) move[1] = 1;
+ if (e->key == VK_UP) move[2] = 1;
+ if (e->key == VK_DOWN) move[3] = 1;
+ break;
+ case STBWGE_keyup:
+ if (e->key == VK_RIGHT) move[0] = 0;
+ if (e->key == VK_LEFT) move[1] = 0;
+ if (e->key == VK_UP) move[2] = 0;
+ if (e->key == VK_DOWN) move[3] = 0;
+ break;
+
+ case STBWGE_size:
+ sx = e->width;
+ sy = e->height;
+ loopmode(0,1,0);
+ break;
+
+ case STBWGE_draw:
+ if (initialized)
+ loopmode(0,1,0);
+ break;
+
+ default:
+ return STBWINGRAPH_unprocessed;
+ }
+ return 0;
+}
+
+void stbwingraph_main(void)
+{
+ stbwingraph_Priority(2);
+ stbwingraph_CreateWindow(1, winproc, NULL, "tt", SIZE_X,SIZE_Y, 0, 1, 0, 0);
+ stbwingraph_ShowCursor(NULL, 0);
+ load_fonts();
+ initialized = 1;
+ stbwingraph_MainLoop(loopmode, 0.016f); // 30 fps = 0.33
+}
+
projects / henge / apc.git / blobdiff