FM / layout

/opt/alt/libicu71/usr/share/doc/alt-libicu71-devel/samples/layout/

/opt/alt/libicu71/usr/share/doc/alt-libicu71-devel/samples/layout

Name	Size	Mode	Actions
arraymem.h	638	0644	edit dl rm
cgnomelayout.c	8640	0644	edit dl rm
clayout.c	10052	0644	edit dl rm
cmaps.cpp	5420	0644	edit dl rm
cmaps.h	2098	0644	edit dl rm
FontMap.cpp	7509	0644	edit dl rm
FontMap.GDI	418	0644	edit dl rm
FontMap.Gnome	384	0644	edit dl rm
FontMap.h	1879	0644	edit dl rm
FontTableCache.cpp	2419	0644	edit dl rm
FontTableCache.h	1081	0644	edit dl rm
GDIFontInstance.cpp	9818	0644	edit dl rm
GDIFontInstance.h	3680	0644	edit dl rm
GDIFontMap.cpp	1348	0644	edit dl rm
GDIFontMap.h	1254	0644	edit dl rm
gdiglue.cpp	1699	0644	edit dl rm
gdiglue.h	975	0644	edit dl rm
GDIGUISupport.cpp	854	0644	edit dl rm
GDIGUISupport.h	941	0644	edit dl rm
GnomeFontInstance.cpp	5549	0644	edit dl rm
GnomeFontInstance.h	3872	0644	edit dl rm
GnomeFontMap.cpp	1419	0644	edit dl rm
GnomeFontMap.h	1232	0644	edit dl rm
gnomeglue.cpp	1674	0644	edit dl rm
gnomeglue.h	978	0644	edit dl rm
GnomeGUISupport.cpp	1066	0644	edit dl rm
GnomeGUISupport.h	953	0644	edit dl rm
gnomelayout.cpp	8693	0644	edit dl rm
gsupport.h	362	0644	edit dl rm
GUISupport.h	882	0644	edit dl rm
layout.cpp	10024	0644	edit dl rm
layout.sln	1202	0644	edit dl rm
layout.vcxproj	11750	0644	edit dl rm
layout.vcxproj.filters	3132	0644	edit dl rm
LayoutSample.rc	3434	0644	edit dl rm
Makefile	2975	0644	edit dl rm
Makefile.in	2983	0644	edit dl rm
paragraph.cpp	7757	0644	edit dl rm
paragraph.h	2224	0644	edit dl rm
pflow.c	9482	0644	edit dl rm
pflow.h	932	0644	edit dl rm
readme.html	7492	0644	edit dl rm
RenderingSurface.h	1111	0644	edit dl rm
resource.h	899	0644	edit dl rm
rsurface.cpp	704	0644	edit dl rm
rsurface.h	520	0644	edit dl rm
Sample.txt	1697	0644	edit dl rm
ScriptCompositeFontInstance.cpp	3266	0644	edit dl rm
ScriptCompositeFontInstance.h	6295	0644	edit dl rm
sfnt.h	5013	0644	edit dl rm
Surface.cpp	884	0644	edit dl rm
Surface.h	511	0644	edit dl rm
ucreader.cpp	501	0644	edit dl rm
ucreader.h	414	0644	edit dl rm
UnicodeReader.cpp	4194	0644	edit dl rm
UnicodeReader.h	991	0644	edit dl rm

Edit: /opt/alt/libicu71/usr/share/doc/alt-libicu71-devel/samples/layout/layout.cpp (10024B)

/*
 *******************************************************************************
 *
 *   © 2016 and later: Unicode, Inc. and others.
 *   License & terms of use: http://www.unicode.org/copyright.html
 *
 *******************************************************************************
 *******************************************************************************
 *
 *   Copyright (C) 1999-2007, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
 *   file name:  Layout.cpp
 *
 *   created on: 08/03/2000
 *   created by: Eric R. Mader
 */

#include <windows.h>
#include <stdio.h>

#include "paragraph.h"

#include "GDIGUISupport.h"
#include "GDIFontMap.h"
#include "UnicodeReader.h"
#include "ScriptCompositeFontInstance.h"

#include "resource.h"

#define ARRAY_LENGTH(array) (sizeof array / sizeof array[0])

struct Context
{
    le_int32 width;
    le_int32 height;
    Paragraph *paragraph;
};

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);

#define APP_NAME "LayoutSample"

TCHAR szAppName[] = TEXT(APP_NAME);

void PrettyTitle(HWND hwnd, char *fileName)
{
    char title[MAX_PATH + 64];

sprintf(title, "%s - %s", APP_NAME, fileName);

SetWindowTextA(hwnd, title);
}

void InitParagraph(HWND hwnd, Context *context)
{
    SCROLLINFO si;

if (context->paragraph != NULL) {
        // FIXME: does it matter what we put in the ScrollInfo
        // if the window's been minimized?
        if (context->width > 0 && context->height > 0) {
            context->paragraph->breakLines(context->width, context->height);
        }

si.cbSize = sizeof si;
        si.fMask = SIF_RANGE | SIF_PAGE | SIF_DISABLENOSCROLL;
        si.nMin = 0;
        si.nMax = context->paragraph->getLineCount() - 1;
        si.nPage = context->height / context->paragraph->getLineHeight();
        SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
    }
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow)
{
    HWND hwnd;
    HACCEL hAccel;
    MSG msg;
    WNDCLASS wndclass;
    LEErrorCode status = LE_NO_ERROR;

wndclass.style         = CS_HREDRAW | CS_VREDRAW;
    wndclass.lpfnWndProc   = WndProc;
    wndclass.cbClsExtra    = 0;
    wndclass.cbWndExtra    = sizeof(LONG);
    wndclass.hInstance     = hInstance;
    wndclass.hIcon         = LoadIcon(NULL, IDI_APPLICATION);
    wndclass.hCursor       = LoadCursor(NULL, IDC_ARROW);
    wndclass.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
    wndclass.lpszMenuName  = szAppName;
    wndclass.lpszClassName = szAppName;

if (!RegisterClass(&wndclass)) {
        MessageBox(NULL, TEXT("This demo only runs on Windows 2000!"), szAppName, MB_ICONERROR);

return 0;
    }

hAccel = LoadAccelerators(hInstance, szAppName);

hwnd = CreateWindow(szAppName, NULL,
                        WS_OVERLAPPEDWINDOW | WS_VSCROLL,
                        CW_USEDEFAULT, CW_USEDEFAULT,
                        600, 400,
                        NULL, NULL, hInstance, NULL);

ShowWindow(hwnd, iCmdShow);
    UpdateWindow(hwnd);

while (GetMessage(&msg, NULL, 0, 0)) {
        if (!TranslateAccelerator(hwnd, hAccel, &msg)) {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
    }

UnregisterClass(szAppName, hInstance);
    return msg.wParam;
}

LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    HDC hdc;
    Context *context;
    static le_int32 windowCount = 0;
    static GDIFontMap *fontMap = NULL;
    static GDISurface *surface = NULL;
    static GDIGUISupport *guiSupport = new GDIGUISupport();
    static ScriptCompositeFontInstance *font = NULL;

switch (message) {
    case WM_CREATE:
    {
        LEErrorCode fontStatus = LE_NO_ERROR;

hdc = GetDC(hwnd);
        surface = new GDISurface(hdc);

fontMap = new GDIFontMap(surface, "FontMap.GDI", 24, guiSupport, fontStatus);
        font    = new ScriptCompositeFontInstance(fontMap);

if (LE_FAILURE(fontStatus)) {
            ReleaseDC(hwnd, hdc);
            return -1;
        }

context = new Context();

context->width  = 600;
        context->height = 400;

context->paragraph = Paragraph::paragraphFactory("Sample.txt", font, guiSupport);
        SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR) context);

windowCount += 1;
        ReleaseDC(hwnd, hdc);

PrettyTitle(hwnd, "Sample.txt");
        return 0;
    }

case WM_SIZE:
    {
        context = (Context *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
        context->width  = LOWORD(lParam);
        context->height = HIWORD(lParam);

InitParagraph(hwnd, context);
        return 0;
    }

case WM_VSCROLL:
    {
        SCROLLINFO si;
        le_int32 vertPos;

si.cbSize = sizeof si;
        si.fMask = SIF_ALL;
        GetScrollInfo(hwnd, SB_VERT, &si);

vertPos = si.nPos;

switch (LOWORD(wParam))
        {
        case SB_TOP:
            si.nPos = si.nMin;
            break;

case SB_BOTTOM:
            si.nPos = si.nMax;
            break;

case SB_LINEUP:
            si.nPos -= 1;
            break;

case SB_LINEDOWN:
            si.nPos += 1;
            break;

case SB_PAGEUP:
            si.nPos -= si.nPage;
            break;

case SB_PAGEDOWN:
            si.nPos += si.nPage;
            break;

case SB_THUMBTRACK:
            si.nPos = si.nTrackPos;
            break;

default:
            break;
        }

si.fMask = SIF_POS;
        SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
        GetScrollInfo(hwnd, SB_VERT, &si);

context = (Context *) GetWindowLongPtr(hwnd, GWLP_USERDATA);

if (context->paragraph != NULL && si.nPos != vertPos) {
            ScrollWindow(hwnd, 0, context->paragraph->getLineHeight() * (vertPos - si.nPos), NULL, NULL);
            UpdateWindow(hwnd);
        }

return 0;
    }

case WM_PAINT:
    {
        PAINTSTRUCT ps;
        SCROLLINFO si;
        le_int32 firstLine, lastLine;

hdc = BeginPaint(hwnd, &ps);
        SetBkMode(hdc, TRANSPARENT);

si.cbSize = sizeof si;
        si.fMask = SIF_ALL;
        GetScrollInfo(hwnd, SB_VERT, &si);

firstLine = si.nPos;

context = (Context *) GetWindowLongPtr(hwnd, GWLP_USERDATA);

if (context->paragraph != NULL) {
            surface->setHDC(hdc);

// NOTE: si.nPos + si.nPage may include a partial line at the bottom
            // of the window. We need this because scrolling assumes that the
            // partial line has been painted.
            lastLine  = min (si.nPos + (le_int32) si.nPage, context->paragraph->getLineCount() - 1);

context->paragraph->draw(surface, firstLine, lastLine);
        }

EndPaint(hwnd, &ps);
        return 0;
    }

case WM_COMMAND:
        switch (LOWORD(wParam)) {
        case IDM_FILE_OPEN:
        {
            OPENFILENAMEA ofn;
            char szFileName[MAX_PATH], szTitleName[MAX_PATH];
            static char szFilter[] = "Text Files (.txt)\0*.txt\0"
                                     "All Files (*.*)\0*.*\0\0";

ofn.lStructSize       = sizeof (OPENFILENAMEA);
            ofn.hwndOwner         = hwnd;
            ofn.hInstance         = NULL;
            ofn.lpstrFilter       = szFilter;
            ofn.lpstrCustomFilter = NULL;
            ofn.nMaxCustFilter    = 0;
            ofn.nFilterIndex      = 0;
            ofn.lpstrFile         = szFileName;
            ofn.nMaxFile          = MAX_PATH;
            ofn.lpstrFileTitle    = szTitleName;
            ofn.nMaxFileTitle     = MAX_PATH;
            ofn.lpstrInitialDir   = NULL;
            ofn.lpstrTitle        = NULL;
            ofn.Flags             = OFN_HIDEREADONLY | OFN_PATHMUSTEXIST;
            ofn.nFileOffset       = 0;
            ofn.nFileExtension    = 0;
            ofn.lpstrDefExt       = "txt";
            ofn.lCustData         = 0L;
            ofn.lpfnHook          = NULL;
            ofn.lpTemplateName    = NULL;

szFileName[0] = '\0';

if (GetOpenFileNameA(&ofn)) {
                hdc = GetDC(hwnd);
                surface->setHDC(hdc);

Paragraph *newParagraph = Paragraph::paragraphFactory(szFileName, font, guiSupport);

if (newParagraph != NULL) {
                    context = (Context *) GetWindowLongPtr(hwnd, GWLP_USERDATA);

if (context->paragraph != NULL) {
                        delete context->paragraph;
                    }

context->paragraph = newParagraph;
                    InitParagraph(hwnd, context);
                    PrettyTitle(hwnd, szTitleName);
                    InvalidateRect(hwnd, NULL, TRUE);

}
            }

//ReleaseDC(hwnd, hdc);

return 0;
        }

case IDM_FILE_EXIT:
        case IDM_FILE_CLOSE:
            SendMessage(hwnd, WM_CLOSE, 0, 0);
            return 0;

case IDM_HELP_ABOUTLAYOUTSAMPLE:
            MessageBox(hwnd, TEXT("Windows Layout Sample 0.1\n")
                             TEXT("Copyright (C) 1998-2005 By International Business Machines Corporation and others.\n")
                             TEXT("Author: Eric Mader"),
                       szAppName, MB_ICONINFORMATION | MB_OK);
            return 0;

}
        break;

case WM_DESTROY:
    {
        context = (Context *) GetWindowLongPtr(hwnd, GWLP_USERDATA);

if (context != NULL && context->paragraph != NULL) {
            delete context->paragraph;
        }

delete context;

if (--windowCount <= 0) {
            delete font;
            delete surface;

PostQuitMessage(0);
        }

return 0;
    }

default:
        return DefWindowProc(hwnd, message, wParam, lParam);
    }

return 0;
}

cmd: