c4b442f92f
code. This is now drawn using gl, and the bitmap font (both there and in the graphics window) is drawn from a texture from a static table, not from the Win32 functions, since that's ~1000x faster. So this adds a tool to generate that table. With luck that will also fix my font issues under WINE, which won't have to render the TTF itself. Still needs some cleanup, and to make all the cosmetic improvements that I want. [git-p4: depot-paths = "//depot/solvespace/": change = 2130]
429 lines
13 KiB
C++
429 lines
13 KiB
C++
#include "solvespace.h"
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#include <stdarg.h>
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const TextWindow::Color TextWindow::fgColors[] = {
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{ 'd', RGB(255, 255, 255) },
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{ 'l', RGB(100, 100, 255) },
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{ 't', RGB(255, 200, 0) },
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{ 'h', RGB( 90, 90, 90) },
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{ 's', RGB( 40, 255, 40) },
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{ 'm', RGB(200, 200, 0) },
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{ 'r', RGB( 0, 0, 0) },
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{ 'x', RGB(255, 20, 20) },
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{ 'i', RGB( 0, 255, 255) },
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{ 'g', RGB(160, 160, 160) },
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{ 0, 0 },
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};
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const TextWindow::Color TextWindow::bgColors[] = {
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{ 'd', RGB( 0, 0, 0) },
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{ 't', RGB( 34, 15, 15) },
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{ 'a', RGB( 20, 20, 20) },
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{ 'r', RGB(255, 255, 255) },
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{ 0, 0 },
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};
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void TextWindow::MakeColorTable(const Color *in, float *out) {
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int i;
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for(i = 0; in[i].c != 0; i++) {
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int c = in[i].c;
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if(c < 0 || c > 255) oops();
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out[c*3 + 0] = REDf(in[i].color);
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out[c*3 + 1] = GREENf(in[i].color);
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out[c*3 + 2] = BLUEf(in[i].color);
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}
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}
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void TextWindow::Init(void) {
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ClearSuper();
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}
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void TextWindow::ClearSuper(void) {
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HideTextEditControl();
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memset(this, 0, sizeof(*this));
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MakeColorTable(fgColors, fgColorTable);
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MakeColorTable(bgColors, bgColorTable);
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ClearScreen();
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Show();
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}
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void TextWindow::ClearScreen(void) {
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int i, j;
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for(i = 0; i < MAX_ROWS; i++) {
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for(j = 0; j < MAX_COLS; j++) {
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text[i][j] = ' ';
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meta[i][j].fg = 'd';
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meta[i][j].bg = 'd';
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meta[i][j].link = NOT_A_LINK;
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}
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top[i] = i*2;
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}
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rows = 0;
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}
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void TextWindow::Printf(bool halfLine, char *fmt, ...) {
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va_list vl;
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va_start(vl, fmt);
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if(rows >= MAX_ROWS) return;
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int r, c;
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r = rows;
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top[r] = (r == 0) ? 0 : (top[r-1] + (halfLine ? 3 : 2));
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rows++;
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for(c = 0; c < MAX_COLS; c++) {
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text[r][c] = ' ';
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meta[r][c].link = NOT_A_LINK;
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}
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int fg = 'd', bg = 'd';
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int link = NOT_A_LINK;
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DWORD data = 0;
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LinkFunction *f = NULL, *h = NULL;
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c = 0;
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while(*fmt) {
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char buf[1024];
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if(*fmt == '%') {
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fmt++;
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if(*fmt == '\0') goto done;
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strcpy(buf, "");
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switch(*fmt) {
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case 'd': {
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int v = va_arg(vl, int);
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sprintf(buf, "%d", v);
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break;
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}
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case 'x': {
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DWORD v = va_arg(vl, DWORD);
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sprintf(buf, "%08x", v);
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break;
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}
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case '@': {
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double v = va_arg(vl, double);
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sprintf(buf, "%.2f", v);
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break;
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}
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case '2': {
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double v = va_arg(vl, double);
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sprintf(buf, "%s%.2f", v < 0 ? "" : " ", v);
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break;
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}
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case '3': {
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double v = va_arg(vl, double);
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sprintf(buf, "%s%.3f", v < 0 ? "" : " ", v);
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break;
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}
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case '#': {
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double v = va_arg(vl, double);
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sprintf(buf, "%.3f", v);
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break;
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}
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case 's': {
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char *s = va_arg(vl, char *);
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memcpy(buf, s, min(sizeof(buf), strlen(s)+1));
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break;
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}
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case 'c': {
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char v = va_arg(vl, char);
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sprintf(buf, "%c", v);
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break;
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}
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case 'E':
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fg = 'd';
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// leave the background, though
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link = NOT_A_LINK;
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data = 0;
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f = NULL;
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h = NULL;
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break;
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case 'F':
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case 'B': {
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int color;
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if(fmt[1] == '\0') goto done;
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if(fmt[1] == 'p') {
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color = va_arg(vl, int);
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} else {
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color = fmt[1];
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}
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if((color < 0 || color > 255) && !(color & 0x80000000)) {
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color = 0;
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}
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if(*fmt == 'F') {
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fg = color;
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} else {
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bg = color;
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}
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fmt++;
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break;
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}
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case 'L':
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if(fmt[1] == '\0') goto done;
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fmt++;
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if(*fmt == 'p') {
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link = va_arg(vl, int);
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} else {
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link = *fmt;
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}
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break;
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case 'f':
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f = va_arg(vl, LinkFunction *);
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break;
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case 'h':
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h = va_arg(vl, LinkFunction *);
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break;
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case 'D':
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data = va_arg(vl, DWORD);
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break;
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case '%':
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strcpy(buf, "%");
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break;
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}
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} else {
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buf[0] = *fmt;
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buf[1]= '\0';
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}
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for(unsigned i = 0; i < strlen(buf); i++) {
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if(c >= MAX_COLS) goto done;
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text[r][c] = buf[i];
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meta[r][c].fg = fg;
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meta[r][c].bg = bg;
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meta[r][c].link = link;
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meta[r][c].data = data;
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meta[r][c].f = f;
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meta[r][c].h = h;
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c++;
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}
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fmt++;
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}
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while(c < MAX_COLS) {
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meta[r][c].fg = fg;
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meta[r][c].bg = bg;
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c++;
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}
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done:
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va_end(vl);
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}
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#define gs (SS.GW.gs)
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void TextWindow::Show(void) {
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if(!(SS.GW.pending.operation)) SS.GW.ClearPending();
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SS.GW.GroupSelection();
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if(SS.GW.pending.description) {
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// A pending operation (that must be completed with the mouse in
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// the graphics window) will preempt our usual display.
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HideTextEditControl();
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ShowHeader(false);
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Printf(false, "");
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Printf(false, "%s", SS.GW.pending.description);
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Printf(true, "%Fl%f%Ll(cancel operation)%E",
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&TextWindow::ScreenUnselectAll);
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} else if((gs.n > 0 || gs.constraints > 0) &&
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shown.screen != SCREEN_PASTE_TRANSFORMED)
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{
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if(edit.meaning != EDIT_TTF_TEXT) HideTextEditControl();
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ShowHeader(false);
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DescribeSelection();
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} else {
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if(edit.meaning == EDIT_TTF_TEXT) HideTextEditControl();
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ShowHeader(true);
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switch(shown.screen) {
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default:
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shown.screen = SCREEN_LIST_OF_GROUPS;
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// fall through
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case SCREEN_LIST_OF_GROUPS: ShowListOfGroups(); break;
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case SCREEN_GROUP_INFO: ShowGroupInfo(); break;
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case SCREEN_GROUP_SOLVE_INFO: ShowGroupSolveInfo(); break;
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case SCREEN_CONFIGURATION: ShowConfiguration(); break;
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case SCREEN_STEP_DIMENSION: ShowStepDimension(); break;
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case SCREEN_LIST_OF_STYLES: ShowListOfStyles(); break;
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case SCREEN_STYLE_INFO: ShowStyleInfo(); break;
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case SCREEN_PASTE_TRANSFORMED: ShowPasteTransformed(); break;
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case SCREEN_EDIT_VIEW: ShowEditView(); break;
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}
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}
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Printf(false, "");
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InvalidateText();
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}
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void TextWindow::Paint(int width, int height) {
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// We would like things pixel-exact, to avoid shimmering.
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glViewport(0, 0, width, height);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glClearColor(0, 0, 0, 1);
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glClear(GL_COLOR_BUFFER_BIT);
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glColor3d(1, 1, 1);
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glTranslated(-1, 1, 0);
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glScaled(2.0/width, -2.0/height, 1);
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glTranslated(0, 0, 0);
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halfRows = height / (LINE_HEIGHT/2);
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int bottom = SS.TW.top[SS.TW.rows-1] + 2;
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scrollPos = min(scrollPos, bottom - halfRows);
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scrollPos = max(scrollPos, 0);
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// Let's set up the scroll bar first
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MoveTextScrollbarTo(scrollPos, SS.TW.top[SS.TW.rows - 1] + 1, halfRows);
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// Create the bitmap font that we're going to use.
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glEnable(GL_BLEND);
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// Now paint the window.
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int r, c, a;
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for(a = 0; a < 3; a++) {
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if(a == 0) {
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glBegin(GL_QUADS);
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} else if(a == 1) {
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glEnable(GL_TEXTURE_2D);
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glxCreateBitmapFont();
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glBegin(GL_QUADS);
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} else {
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glBegin(GL_LINES);
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}
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for(r = 0; r < SS.TW.rows; r++) {
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int top = SS.TW.top[r];
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if(top < (scrollPos-1)) continue;
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if(top > scrollPos+halfRows) break;
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for(c = 0; c < min((width/CHAR_WIDTH)+1, SS.TW.MAX_COLS); c++) {
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int x = LEFT_MARGIN + c*CHAR_WIDTH;
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int y = (top-scrollPos)*(LINE_HEIGHT/2) + 2;
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int fg = SS.TW.meta[r][c].fg;
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int bg = SS.TW.meta[r][c].bg;
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// On the first pass, all the background quads; on the next
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// pass, all the foreground (i.e., font) quads.
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if(a == 0) {
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int bh = LINE_HEIGHT, adj = 0;
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if(bg & 0x80000000) {
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glColor3f(REDf(bg), GREENf(bg), BLUEf(bg));
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bh = CHAR_HEIGHT;
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adj = 2;
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} else {
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glColor3fv(&(bgColorTable[bg*3]));
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}
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if(!(bg == 'd')) {
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// Move the quad down a bit, so that the descenders
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// still have the correct background.
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y += adj;
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glBegin(GL_QUADS);
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glVertex2d(x, y);
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glVertex2d(x + CHAR_WIDTH, y);
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glVertex2d(x + CHAR_WIDTH, y + bh);
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glVertex2d(x, y + bh);
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glEnd();
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y -= adj;
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}
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} else if(a == 1) {
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glColor3fv(&(fgColorTable[fg*3]));
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glxBitmapCharQuad(SS.TW.text[r][c], x, y + CHAR_HEIGHT);
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} else {
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if(SS.TW.meta[r][c].link && SS.TW.meta[r][c].link != 'n') {
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glColor3fv(&(fgColorTable[fg*3]));
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y += CHAR_HEIGHT + 1;
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glVertex2d(x, y);
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glVertex2d(x + CHAR_WIDTH, y);
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}
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}
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}
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}
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glEnd();
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glDisable(GL_TEXTURE_2D);
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}
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}
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void TextWindow::MouseEvent(bool leftClick, double x, double y) {
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if(TextEditControlIsVisible() || GraphicsEditControlIsVisible()) {
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if(leftClick) {
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HideTextEditControl();
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HideGraphicsEditControl();
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} else {
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SetMousePointerToHand(false);
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}
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return;
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}
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GraphicsWindow::Selection ps = SS.GW.hover;
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SS.GW.hover.Clear();
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// Find the corresponding character in the text buffer
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int c = (int)((x - LEFT_MARGIN) / CHAR_WIDTH);
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int hh = (LINE_HEIGHT)/2;
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y += scrollPos*hh;
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int r;
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for(r = 0; r < SS.TW.rows; r++) {
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if(y >= SS.TW.top[r]*hh && y <= (SS.TW.top[r]+2)*hh) {
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break;
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}
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}
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if(r >= SS.TW.rows) {
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SetMousePointerToHand(false);
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goto done;
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}
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#define META (SS.TW.meta[r][c])
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if(leftClick) {
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if(META.link && META.f) {
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(META.f)(META.link, META.data);
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SS.TW.Show();
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InvalidateGraphics();
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}
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} else {
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if(META.link) {
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SetMousePointerToHand(true);
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if(META.h) {
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(META.h)(META.link, META.data);
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}
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} else {
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SetMousePointerToHand(false);
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}
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}
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done:
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if(!ps.Equals(&(SS.GW.hover))) {
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InvalidateGraphics();
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}
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}
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void TextWindow::ScrollbarEvent(int newPos) {
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int bottom = SS.TW.top[SS.TW.rows-1] + 2;
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newPos = min(newPos, bottom - halfRows);
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newPos = max(newPos, 0);
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if(newPos != scrollPos) {
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scrollPos = newPos;
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MoveTextScrollbarTo(scrollPos, SS.TW.top[SS.TW.rows - 1] + 1, halfRows);
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if(TextEditControlIsVisible()) {
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extern int TextEditControlCol, TextEditControlHalfRow;
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ShowTextEditControl(
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TextEditControlHalfRow, TextEditControlCol, NULL);
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}
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InvalidateText();
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}
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}
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