https://git.reactos.org/?p=reactos.git;a=commitdiff;h=1fc041c91a89b9a3327b76...
commit 1fc041c91a89b9a3327b76ebc18590787387ddb5 Author: Baruch Rutman peterooch@gmail.com AuthorDate: Fri Sep 7 10:59:59 2018 +0300 Commit: Hermès Bélusca-Maïto hermes.belusca-maito@reactos.org CommitDate: Sun Sep 9 18:03:48 2018 +0200
[BIDITEXT] Add more demo code. (#842)
Add code that demonstrates the use of the lpOrder and lpCaretPos struct members of GCP_RESULTS w/ and w/o GCP_REORDER flag. Changed demo string literals to arrays containing character unicode values. --- modules/rostests/win32/user32/biditext/biditext.c | 84 +++++++++++++++++++++-- modules/rostests/win32/user32/biditext/biditext.h | 1 + 2 files changed, 79 insertions(+), 6 deletions(-)
diff --git a/modules/rostests/win32/user32/biditext/biditext.c b/modules/rostests/win32/user32/biditext/biditext.c index cc714c40f7..ee11d56b79 100644 --- a/modules/rostests/win32/user32/biditext/biditext.c +++ b/modules/rostests/win32/user32/biditext/biditext.c @@ -60,7 +60,7 @@ wWinMain(HINSTANCE hInstance, hAccelerators = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDR_ACCELERATOR));
/* Show main window and force a paint */ - ShowWindow(hWnd, nCmdShow); + ShowWindow(hWnd, nCmdShow | SW_MAXIMIZE); UpdateWindow(hWnd);
/* Main message loop */ @@ -171,24 +171,47 @@ LRESULT CALLBACK MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) case WM_PAINT: { PAINTSTRUCT ps; - + HDC hdc = BeginPaint(hWnd, &ps); - - LPWSTR szString = L"אבגדהABCDוזחטי"; - int Len = (int)wcslen(szString);
+ enum + { + ALEF = 0x5D0, + BET, + GIMEL, + DALET, + HEY, + VAV, + ZAYIN, + HET, + TET, + YUD + }; + + const WCHAR szString[] = {ALEF, BET, GIMEL, DALET, HEY, 'A', 'B', 'C', 'D', VAV, ZAYIN, HET, TET, YUD, 0}; + const WCHAR szReversedString[] = {HEY, DALET, GIMEL, BET, ALEF, 'A', 'B', 'C', 'D', YUD, TET, HET, ZAYIN, VAV, 0}; + int Len = wcslen(szString); + int i, xpos, tempLength; + WCHAR tempString[20] = { 0 }; WCHAR Glyphs[100] = { 0 }; WCHAR OutString[100] = { 0 }; + INT lpCaretPos[100] = { 0 }; + UINT lpOrder[100] = { 0 }; GCP_RESULTSW Results = { 0 }; + Results.lStructSize = sizeof(Results); Results.lpOutString = OutString; Results.lpGlyphs = Glyphs; Results.nGlyphs = 100; + Results.lpCaretPos = lpCaretPos; + Results.lpOrder = lpOrder; + + SetBkMode(hdc, TRANSPARENT);
TextOutW(hdc, 10, 10, L"Proper (string being used):", 27); TextOutW(hdc, 200, 10, szString, 14); TextOutW(hdc, 10, 30, L"Reversed (example):", 19); - TextOutW(hdc, 200, 30, L"הדגבאABCDיטחזו", 14); + TextOutW(hdc, 200, 30, szReversedString, 14);
TextOutW(hdc, 10, 50, L"String with NULL LpkETO call (not reversed):", 44); LpkExtTextOut(hdc, 10, 70, 0, NULL, szString, Len, NULL, 0); @@ -217,6 +240,55 @@ LRESULT CALLBACK MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) TextOutW(hdc, 10, 370, L"String with ETO_RTLREADING ETO call (slight order change)", 57); ExtTextOutW(hdc, 10, 390, ETO_RTLREADING, NULL, szString, Len, NULL);
+ GetCharacterPlacementW(hdc, szString, Len, 0, &Results, GCP_REORDER); + TextOutW(hdc, 10, 410, L"Glyph positions with GCP_REORDER flag", 37); + + /* Prints per column the location of the character in the string, reordered location, its position and the character itself */ + for (i = 0, xpos = 10; i < Len; i++, xpos += 30) + { + StringCchPrintfW(tempString, 20, L"%d", i); + tempLength = wcslen(tempString); + TextOutW(hdc, xpos, 430, tempString, tempLength); + + StringCchPrintfW(tempString, 20, L"%d", lpOrder[i]); + tempLength = wcslen(tempString); + TextOutW(hdc, xpos, 450, tempString, tempLength); + + StringCchPrintfW(tempString, 20, L"%d", lpCaretPos[i]); + tempLength = wcslen(tempString); + TextOutW(hdc, xpos, 470, tempString, tempLength); + + TextOutW(hdc, xpos, 490, &szString[i], 1); + } + TextOutW(hdc, xpos, 430, L"Character location", 18); + TextOutW(hdc, xpos, 450, L"lpOrder[i]", 10); + TextOutW(hdc, xpos, 470, L"lpCaretPos[i]", 13); + TextOutW(hdc, xpos, 490, L"String[i]", 9); + + GetCharacterPlacementW(hdc, szString, Len, 0, &Results, 0); + TextOutW(hdc, 10, 510, L"Glyph positions without GCP_REORDER flag", 40); + + for (i = 0, xpos = 10; i < Len; i++, xpos += 30) + { + StringCchPrintfW(tempString, 20, L"%d", i); + tempLength = wcslen(tempString); + TextOutW(hdc, xpos, 530, tempString, tempLength); + + StringCchPrintfW(tempString, 20, L"%d", lpOrder[i]); + tempLength = wcslen(tempString); + TextOutW(hdc, xpos, 550, tempString, tempLength); + + StringCchPrintfW(tempString, 20, L"%d", lpCaretPos[i]); + tempLength = wcslen(tempString); + TextOutW(hdc, xpos, 570, tempString, tempLength); + + TextOutW(hdc, xpos, 590, &szString[i], 1); + } + TextOutW(hdc, xpos, 530, L"Character location", 18); + TextOutW(hdc, xpos, 550, L"lpOrder[i]", 10); + TextOutW(hdc, xpos, 570, L"lpCaretPos[i]", 13); + TextOutW(hdc, xpos, 590, L"String[i]", 9); + EndPaint(hWnd, &ps); break; } diff --git a/modules/rostests/win32/user32/biditext/biditext.h b/modules/rostests/win32/user32/biditext/biditext.h index 433223776d..f9207fe5ea 100644 --- a/modules/rostests/win32/user32/biditext/biditext.h +++ b/modules/rostests/win32/user32/biditext/biditext.h @@ -2,6 +2,7 @@
#include <windows.h> #include <commctrl.h> +#include <strsafe.h>
/* Global instance handle */ extern HINSTANCE g_hInstance;
-
Baruch Rutman