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-rw-r--r--ml/dlib/dlib/gui_widgets/nativefont.h612
1 files changed, 0 insertions, 612 deletions
diff --git a/ml/dlib/dlib/gui_widgets/nativefont.h b/ml/dlib/dlib/gui_widgets/nativefont.h
deleted file mode 100644
index 2de0edfaa..000000000
--- a/ml/dlib/dlib/gui_widgets/nativefont.h
+++ /dev/null
@@ -1,612 +0,0 @@
-// Copyright (C) 2006 Keita Mochizuki
-// License: Boost Software License See LICENSE.txt for the full license.
-#ifndef DLIB_IGG_FONT_RENDERER_H_
-#define DLIB_IGG_FONT_RENDERER_H_
-#include "../platform.h"
-
-
-#include "../gui_widgets.h"
-#include "../unicode.h"
-#include "../uintn.h"
-
-#include <map>
-#include <memory>
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <locale.h>
-
-#if defined(WIN32)
-#include <windows.h>
-#include <mbstring.h>
-#elif defined(POSIX)
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xlocale.h>
-#endif
-
-namespace nativefont
-{
-// ----------------------------------------------------------------------------------------
-
- namespace font_renderer
- {
- typedef dlib::uint8 byte;
-
-
-#ifdef WIN32
- template <typename T> struct input2native_trait{
- };
- template <> struct input2native_trait<char>{
- typedef char type_t;
- };
- template <> struct input2native_trait<wchar_t>{
- typedef wchar_t type_t;
- };
- template <> struct input2native_trait<dlib::unichar>{
- typedef wchar_t type_t;
- };
-#endif
- // T : N : sizeof_source_type
- template <int N> struct size2inner_trait{
- };
- template <> struct size2inner_trait<1>{
- typedef char type_t;
- };
- template <> struct size2inner_trait<2>{
- typedef dlib::uint16 type_t;
- };
- template <> struct size2inner_trait<4>{
- typedef dlib::unichar type_t;
- };
-
-
-// ----------------------------------------------------------------------------------------
-
- template <int N> struct create_helper{ };
- template <> struct create_helper<1>{
- typedef char type_t;
- type_t *istr;
- int len;
- create_helper(char *str){
- len = (int)strlen(str);
- istr = str;
- }
- ~create_helper(){}
- };
- template <> struct create_helper<2>{
- typedef wchar_t type_t;
- type_t *istr;
- bool allocated;
- int len;
- create_helper(wchar_t *str){
- allocated = false;
- len = (int)wcslen(str);
- istr = str;
- }
- create_helper(dlib::unichar *str){
- allocated = true;
- len = 0;
- int unicount = 0;
- dlib::unichar *p = str;
- while(*p){
- if (*p > 0xffff){
- len += 2;
- }else{
- len++;
- }
- unicount++;
- p++;
- }
- istr = new wchar_t[len+1];
- for (int i = 0, wi = 0; i < unicount; ++i){
- dlib::unichar high, low;
- if (str[i] > 0xffff){
- dlib::unichar_to_surrogate_pair(str[i], high, low);
- istr[wi] = (wchar_t)high, istr[wi+1] = (wchar_t)low;
- wi += 2;
- }else{
- istr[wi] = (wchar_t)str[i];
- wi += 1;
- }
- }
- istr[len] = L'\0';
- }
-
- ~create_helper(){
- if (allocated) delete[] istr;
- }
- };
- template <> struct create_helper<4>{
- typedef wchar_t type_t;
- type_t *istr;
- int len;
- create_helper(dlib::unichar *str){
- len = (int)wcslen((wchar_t *)str);
- istr = (type_t *)str;
- }
- ~create_helper(){}
- };
-
-// ----------------------------------------------------------------------------------------
-
- class font_renderer{
- public:
-
- struct rgb_type{
- byte r, g, b;
- rgb_type() : r(0), g(0), b(0){};
- rgb_type(byte r_, byte g_, byte b_) : r(r_), g(g_), b(b_){};
- };
- private:
-
- byte *image;
- int width, height;
- void destroy(){
- width = height = 0;
- delete image;
- image = 0;
- }
- struct vals_internal{
- int width, height;
-#ifdef WIN32
- COLORREF rgb2RGB(rgb_type &rgb){
- return RGB(rgb.r, rgb.g, rgb.b);
- }
- HBITMAP hBmp, hBmpOld;
- HDC hDCBmp;
- BYTE *pixelint;
- HFONT hFont, hFontOld;
- HBRUSH hBrush;
- int pix_width_prev, pix_height_prev;
- bool first;
- int ascender, descender;
- int height_prev;
- char attribute_prev;
-
- template <typename T> void create(T *str, int height_want, bool italic, bool bold, bool fixed, rgb_type &background, rgb_type &foreground){
- struct inner{
- inline static BOOL GetTextExtentPoint32(HDC hDC, LPCSTR str, int len, LPSIZE lpsize){
- return ::GetTextExtentPoint32A(hDC, str, len, lpsize);
- }
- inline static BOOL GetTextExtentPoint32(HDC hDC, LPCWSTR str, int len, LPSIZE lpsize){
- return ::GetTextExtentPoint32W(hDC, str, len, lpsize);
- }
- inline static BOOL TextOut(HDC hDC, int nxstart, int nystart, LPCSTR str, int cbstr){
- return ::TextOutA(hDC, nxstart, nystart, str, cbstr);
- }
- inline static BOOL TextOut(HDC hDC, int nxstart, int nystart, LPCWSTR str, int cbstr){
- return ::TextOutW(hDC, nxstart, nystart, str, cbstr);
- }
- };
-
- create_helper<sizeof(typename input2native_trait<T>::type_t)> ch(str);
-
- if (hDCBmp == NULL){
- HWND hWnd = GetDesktopWindow();
- HDC hDC = GetDC(hWnd);
- hDCBmp = CreateCompatibleDC(hDC);
- ReleaseDC(hWnd, hDC);
- }
- SetTextColor(hDCBmp, rgb2RGB(foreground));
- SetBkColor(hDCBmp, rgb2RGB(background));
-
- char attribute = (italic ? 1 : 0) | (bold ? 2 : 0) | (fixed ? 4 : 0);
- if (!hFont || height_prev != height || attribute != attribute_prev){
- attribute_prev = attribute;
- height_prev = height_want;
- if (hFont){
- SelectObject(hDCBmp, hFontOld);
- DeleteObject(hFont);
- }
- hFont = CreateFont(height_want, 0, 0, 0, bold ? FW_BOLD : FW_DONTCARE, italic ? TRUE : FALSE,
- FALSE, FALSE, DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
- fixed ? (FIXED_PITCH | FF_DONTCARE) : (VARIABLE_PITCH | FF_DONTCARE), NULL);
- hFontOld = (HFONT)SelectObject(hDCBmp, hFont);
- }
-
- {
- SIZE sz;
- inner::GetTextExtentPoint32(hDCBmp, ch.istr, ch.len, &sz);
- width = ((sz.cx + 3) / 4) * 4;
- height = sz.cy;
- }
-
- if (pix_width_prev < width || pix_height_prev < height){
- if (hBmp){
- SelectObject(hDCBmp, hBmpOld);
- DeleteObject(hBmp);
- }
- pix_width_prev = width * 2;
- pix_height_prev = height * 2;
- BITMAPINFO bi;
- ZeroMemory(&bi, sizeof(bi));
- bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
- bi.bmiHeader.biBitCount = 24;
- bi.bmiHeader.biPlanes = 1;
- bi.bmiHeader.biWidth = pix_width_prev;
- bi.bmiHeader.biHeight = -pix_height_prev;
- hBmp = CreateDIBSection(NULL, &bi, DIB_RGB_COLORS, (void **)&pixelint, NULL, 0);
- hBmpOld = (HBITMAP)SelectObject(hDCBmp, hBmp);
- }
-
- {
- HBRUSH hBrush = CreateSolidBrush(rgb2RGB(background));
- RECT rc;
- rc.left = rc.top = 0;
- rc.right = pix_width_prev;
- rc.bottom = pix_height_prev;
- FillRect(hDCBmp, &rc, hBrush);
- }
-
- inner::TextOut(hDCBmp, 0, 0, ch.istr, ch.len);
- TEXTMETRICW tm;
- GetTextMetricsW(hDCBmp,&tm);
- ascender = tm.tmAscent;
- descender = tm.tmDescent;
- }
-
- template <typename T> vals_internal(T *str, int height_want, bool italic = false,
- bool bold = false, bool fixed = false, rgb_type background = rgb_type(), rgb_type foreground = rgb_type()){
- first = true;
- hFont = NULL;
- hDCBmp = 0;
- hBmpOld = 0;
- hBmp = 0;
- hDCBmp = 0;
- pixelint = 0;
- pix_width_prev = pix_height_prev = 0;
- height_prev = -1;
- attribute_prev = 0;
- create(str, height_want, italic, bold, fixed, background, foreground);
- first = false;
- }
-
- inline int get_ascender(){
- return ascender;
- }
-
- inline int get_descender(){
- return descender;
- }
-
- inline void get_pixel(int x, int y, byte &r, byte &g, byte &b){
- byte *p = pixelint + (y * pix_width_prev + x) * 3;
- r = *(p+2), g = *(p+1), b = *p;
- }
-
- void destroy(){
- SelectObject(hDCBmp, hBmpOld);
- DeleteObject(hBmp);
- SelectObject(hDCBmp, hFontOld);
- DeleteObject(hFont);
- DeleteDC(hDCBmp);
- hFont = NULL;
- hDCBmp = 0;
- hBmpOld = 0;
- hBmp = 0;
- hDCBmp = 0;
- pixelint = 0;
- }
- ~vals_internal(){
- destroy();
- }
-#elif defined(POSIX)
- XImage *ximg;
- Display *d;
- GC gc;
- XFontSet fs;
- Pixmap pix;
- Colormap cmap;
- int ascender, descender;
- int pix_width_prev, pix_height_prev;
- char fontset_prev[256];
- unsigned long rgb2color(rgb_type col, Display *d, Colormap &cmap){
- XColor xcol;
- xcol.red = col.r * 257;
- xcol.green = col.g * 257;
- xcol.blue = col.b * 257;
- XAllocColor(d, cmap, &xcol);
- return xcol.pixel;
- }
- template <typename T> void create(T *str, int height_want, bool italic, bool bold, bool fixed, rgb_type background, rgb_type foreground){
- struct inner{
- inline static int XTextExtents (XFontSet fs, char *str, int len, XRectangle *ink, XRectangle *logical){
- return XmbTextExtents(fs, str, len, ink, logical);
- }
- inline static int XTextExtents (XFontSet fs, wchar_t *str, int len, XRectangle *ink, XRectangle *logical){
- return XwcTextExtents(fs, str, len, ink, logical);
- }
- inline static void XDrawString(Display *d, Window w, XFontSet fs, GC gc, int x, int y, char *str, int num_bytes){
- XmbDrawString(d, w, fs, gc, x, y, str, num_bytes);
- }
- inline static void XDrawString(Display *d, Window w, XFontSet fs, GC gc, int x, int y, wchar_t *str, int num_bytes){
- XwcDrawString(d, w, fs, gc, x, y, str, num_bytes);
- }
- };
- create_helper<sizeof(T)> ch((typename size2inner_trait<sizeof(T)>::type_t *)str);
- setlocale(LC_CTYPE, "");
- if (d == NULL){
- d = XOpenDisplay(NULL);
- if (d == 0)
- {
- d = XOpenDisplay(":0.0");
- if (d == 0)
- {
- throw dlib::gui_error("Unable to connect to the X display.");
- }
- }
-
- cmap = DefaultColormap(d, DefaultScreen(d));
- }
- char fontset[256];
- {
- char *p = fontset;
- p += sprintf(fontset, "-*-*-%s-%c-normal--%d-*-*-*-%c",
- bold ? "bold" : "medium", italic ? 'i' : 'r', height_want, fixed ? 'c' : 'p');
- if (fixed){
- sprintf(p, ",-*-*-%s-%c-normal--%d-*-*-*-m",
- bold ? "bold" : "medium", italic ? 'i' : 'r', height_want);
- }
- }
- bool equal_font;
- if (strcmp(fontset, fontset_prev) == 0){
- equal_font = true;
- }else{
- equal_font = false;
- strcpy(fontset_prev, fontset);
- }
-
- char **mlist;
- int mcount;
- char *def_str;
- if (!equal_font){
- if (fs){
- XFreeFontSet(d, fs);
- }
- fs = XCreateFontSet(d, fontset, &mlist, &mcount, &def_str);
- if (fs == NULL)
- throw dlib::gui_error("gui_error: XCreateFontSet() failure");
-
- XFontSetExtents *extent;
- extent = XExtentsOfFontSet(fs);
- ascender = -extent->max_logical_extent.y;
- descender = extent->max_logical_extent.height - ascender;
- XFreeStringList(mlist);
- }
- XRectangle ink, logical;
- inner::XTextExtents (fs, ch.istr, ch.len, &ink, &logical);
- width = logical.width;
- height = height_want;
-
- if (pix == None || pix_width_prev < width || pix_height_prev < height){
- if (pix != None){
- XFreeGC(d, gc);
- XFreePixmap(d, pix);
- }
- pix_width_prev = width * 2;
- pix_height_prev = height * 2;
- pix = XCreatePixmap(d, DefaultRootWindow(d), pix_width_prev, pix_height_prev, XDefaultDepth(d, DefaultScreen(d)));
- gc = XCreateGC(d, pix, 0, NULL);
- }
-
- unsigned long backcolor = rgb2color(background, d, cmap);
- XSetForeground(d, gc, backcolor);
- XSetBackground(d, gc, backcolor);
- XFillRectangle(d, pix, gc, 0, 0, width, height);
- XSetForeground(d, gc, rgb2color(foreground, d, cmap));
- inner::XDrawString(d, pix, fs, gc, 0, ascender, ch.istr, ch.len);
-
- if (ximg) XDestroyImage(ximg);
- ximg = XGetImage(d, pix, 0, 0, width, height, AllPlanes, ZPixmap );
- }
-
- template <typename T> vals_internal(T *str, int height_want, bool italic = false,
- bool bold = false, bool fixed = false, rgb_type background = rgb_type(), rgb_type foreground = rgb_type()){
- fontset_prev[0] = '\0';
- ximg = NULL;
- d = NULL;
- pix = None;
- fs = NULL;
- ascender = descender = -1;
- pix_width_prev = pix_height_prev = -1;
- create(str, height_want, italic, bold, fixed, background, foreground);
- }
-
- inline int get_ascender(){
- return ascender;
- }
-
- inline int get_descender(){
- return descender;
- }
-
- std::map<unsigned long,rgb_type> col2rgb;
- rgb_type color2rgb(unsigned long color, Display *d, Colormap &cmap){
- if (col2rgb.count(color)){
- return col2rgb[color];
- }else{
- XColor xcol;
- xcol.pixel = color;
- XQueryColor(d, cmap, &xcol);
- rgb_type rgb_((byte)(xcol.red/257), (byte)(xcol.green/257), (byte)(xcol.blue/257));
- col2rgb[color] = rgb_;
- return rgb_;
- }
- }
- inline void get_pixel(int x, int y, byte &r, byte &g, byte &b){
- rgb_type c = color2rgb(XGetPixel(ximg,x,y), d, cmap);
- r = c.r, g = c.g, b = c.b;
- }
-
- ~vals_internal(){
- XDestroyImage(ximg);
-
- XFreeGC(d, gc);
- XFreeFontSet(d, fs);
- XFreePixmap(d, pix);
- XCloseDisplay(d);
- }
-#endif
- };
-
- struct image_size_setter{
- void operator()(int&, int&){
- }
- };
-
- int ascender, descender;
- vals_internal *vi;
- public:
- font_renderer() : image(0), width(0), height(0){
- ascender = descender = 0;
- vi = NULL;
- }
-
- template<typename T> font_renderer(T *str, int height_want, bool italic = false, bool bold = false, bool fixed = false, rgb_type background = rgb_type(0,0,0), rgb_type foreground = rgb_type(255,255,255)){
- render(str, height_want, italic, bold, fixed, background, foreground);
- }
-
- template<typename T> void render(T *str, int height_want,
- bool italic = false, bool bold = false, bool fixed = false,
- rgb_type background = rgb_type(0,0,0), rgb_type foreground = rgb_type(255,255,255)){
- if (vi == NULL){
- vi = new vals_internal(str, height_want, italic, bold, fixed, background, foreground);
- }else{
- vi->create(str, height_want, italic, bold, fixed, background, foreground);
- }
- width = vi->width, height = vi->height;
- image = new byte[width * height * 3];
- ascender = vi->get_ascender();
- descender = vi->get_descender();
-
- int h = height, w = width;
- for (int j = 0, i3 = 0; j < h; ++j){
- for (int i = 0; i < w; ++i, i3 += 3){
- vi->get_pixel(i, j, image[i3], image[i3+1], image[i3+2]);
- }
- }
- }
-
- ~font_renderer(){
- if (vi) delete vi;
- destroy();
- }
- int get_width(){
- return width;
- }
- int get_height(){
- return height;
- }
- inline int get_ascender(){
- return ascender;
- }
- inline int get_descender(){
- return descender;
- }
-
- const byte *get_image(){
- return image;
- }
- };
- }
-
-// ----------------------------------------------------------------------------------------
-
- class native_font : public dlib::font
- {
- unsigned long ascender_;
- native_font(){
- setlocale(LC_CTYPE, "");
- ascender_ = 0;
- get_letter((int)('x'));
- }
- typedef std::map<int,dlib::letter *> letters_map_type;
- letters_map_type letters;
- font_renderer::font_renderer fl;
- public:
-
- virtual ~native_font()
- {
- // delete all the letter objects we have in our letters map
- letters_map_type::iterator i;
- for (i = letters.begin(); i != letters.end(); ++i)
- {
- delete i->second;
- }
- }
-
- virtual bool has_character (
- dlib::unichar ch
- )const{
- return (*this)[ch].width() > 0;
- }
-
- static const std::shared_ptr<font>& get_font (
- )
- {
- static std::shared_ptr<font> f(new native_font);
- return f;
- }
-
- virtual const dlib::letter& operator[] (dlib::unichar ch) const{
- return (const_cast<native_font *>(this))->get_letter(ch);
- }
-
- dlib::letter& get_letter (
- dlib::unichar ch
- ){
- if (letters.count(ch)){
- dlib::letter *l = letters.find(ch)->second;
- return *l;
- }
-
- dlib::unichar c[2];
- c[0] = ch;
- c[1] = 0;
-
- fl.render(c, height(),false,false,true);
- if (ascender_ == 0){
- ascender_ = fl.get_ascender();
- }
- std::vector<dlib::letter::point> v;
- const font_renderer::byte *bp = fl.get_image();
- for (int j = 0; j < fl.get_height(); ++j){
- for (int i = 0; i < fl.get_width(); ++i, bp += 3){
- if (*bp){
- v.push_back(dlib::letter::point(i,j-ascender()+1));
- }
- }
- }
- dlib::letter *l = new dlib::letter(fl.get_width(), (unsigned long)v.size());
-
- letters.insert(std::make_pair(ch,l));
- for (int i = 0; i < (int)v.size(); ++i){
- (*l)[i] = v.at(i);
- }
- return *l;
- }
-
- virtual unsigned long height (
- ) const { return 12; }
-
- virtual unsigned long ascender (
- ) const { return ascender_; }
-
- virtual unsigned long left_overflow (
- ) const { return 1; }
-
- virtual unsigned long right_overflow (
- ) const { return 2; }
- };
-
-// ----------------------------------------------------------------------------------------
-
-}
-
-#endif // DLIB_IGG_FONT_RENDERER_H_
-
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