[PATCH v4 3/5] d3dx9: Handle horizontal alignment in ID3DXFont_DrawText.

[Sven Baars]

Signed-off-by: Sven Baars 
---
 dlls/d3dx9_36/font.c       |  23 +++++-
 dlls/d3dx9_36/tests/core.c | 162 ++++++++++++++++++++++++++++++++++++-
 2 files changed, 182 insertions(+), 3 deletions(-)

diff --git a/dlls/d3dx9_36/font.c b/dlls/d3dx9_36/font.c
index 20757ae839..54aef71913 100644
--- a/dlls/d3dx9_36/font.c
+++ b/dlls/d3dx9_36/font.c
@@ -623,7 +623,20 @@ static int compute_rect(struct d3dx_font *font, const WCHAR *string, INT count,
             break;
     }

-    rect->right = rect->left + max_width;
+    if (format & DT_CENTER)
+    {
+        rect->left += (rect->right - rect->left - max_width) / 2;
+        rect->right = rect->left + max_width;
+    }
+    else if (format & DT_RIGHT)
+    {
+        rect->left = rect->right - max_width;
+    }
+    else
+    {
+        rect->right = rect->left + max_width;
+    }
+
     if (format & DT_VCENTER)
     {
         rect->top += (rect->bottom - y) / 2;
@@ -698,7 +711,6 @@ static INT WINAPI ID3DXFontImpl_DrawTextW(ID3DXFont *iface, ID3DXSprite *sprite,
         top = rect->top;
     }

-    x = rect->left;
     y = rect->top;
     lh = font->metrics.tmHeight;
     width = rect->right - rect->left;
@@ -717,6 +729,13 @@ static INT WINAPI ID3DXFontImpl_DrawTextW(ID3DXFont *iface, ID3DXSprite *sprite,

string = read_line(font->hdc, string, &count, line, &line_len, width, format, &size);

+        if (format & DT_CENTER)
+            x = (rect->left + rect->right - size.cx) / 2;
+        else if (format & DT_RIGHT)
+            x = rect->right - size.cx;
+        else
+            x = rect->left;
+
         memset(&results, 0, sizeof(results));
         results.nGlyphs = line_len;

diff --git a/dlls/d3dx9_36/tests/core.c b/dlls/d3dx9_36/tests/core.c
index 9de91b2b08..020f18e622 100644
--- a/dlls/d3dx9_36/tests/core.c
+++ b/dlls/d3dx9_36/tests/core.c
@@ -842,7 +842,7 @@ static void test_ID3DXFont(IDirect3DDevice9 *device)
     height = ID3DXFont_DrawTextW(font, NULL, L"aaaa              aaaa", -1, &rect, DT_WORDBREAK | DT_RIGHT, 0xff00ff);
     ok(height == 36, "Got unexpected height %d.\n", height);

-    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa              aaaa", -1, &rect, DT_WORDBREAK | DT_RIGHT, 0xff00ff);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa              aaaa", -1, &rect, DT_WORDBREAK | DT_CENTER, 0xff00ff);
     ok(height == 36, "Got unexpected height %d.\n", height);

height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_BOTTOM, 0xff00ff);
@@ -1007,6 +1007,166 @@ static void test_ID3DXFont(IDirect3DDevice9 *device)
     ok(height == -8, "Got unexpected height %d.\n", height);
     check_rect(&rect, 10, -22, 30, 2);

+    SetRect(&rect, 10, 10, 50, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_RIGHT | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 30, 10, 50, 34);
+
+    SetRect(&rect, -10, 10, 30, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_RIGHT | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 10, 10, 30, 34);
+
+    SetRect(&rect, 10, -10, 50, 30);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_RIGHT | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 30, -10, 50, 14);
+
+    SetRect(&rect, 10, 10, -30, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_RIGHT | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, -50, 10, -30, 34);
+
+    SetRect(&rect, 10, 10, 50, -30);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_RIGHT | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 30, 10, 50, 34);
+
+    SetRect(&rect, 10, 10, 50, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_RIGHT | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 30, 10, 50, 34);
+
+    SetRect(&rect, -10, 10, 30, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_RIGHT | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 10, 10, 30, 34);
+
+    SetRect(&rect, 10, -10, 50, 30);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_RIGHT | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 30, -10, 50, 14);
+
+    SetRect(&rect, 10, 10, -30, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_RIGHT | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 12, "Got unexpected height %d.\n", height);
+    check_rect(&rect, -73, 10, -30, 22);
+
+    SetRect(&rect, 10, 10, 50, -30);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_RIGHT | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 30, 10, 50, 34);
+
+    SetRect(&rect, 10, 10, 50, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_CENTER | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 20, 10, 40, 34);
+
+    SetRect(&rect, -10, 10, 30, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_CENTER | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 0, 10, 20, 34);
+
+    SetRect(&rect, 10, -10, 50, 30);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_CENTER | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 20, -10, 40, 14);
+
+    SetRect(&rect, 10, 10, -30, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_CENTER | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, -20, 10, 0, 34);
+
+    SetRect(&rect, 10, 10, 50, -30);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_CENTER | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 20, 10, 40, 34);
+
+    SetRect(&rect, 10, 10, 50, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_CENTER | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 20, 10, 40, 34);
+
+    SetRect(&rect, -10, 10, 30, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_CENTER | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 0, 10, 20, 34);
+
+    SetRect(&rect, 10, -10, 50, 30);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_CENTER | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 20, -10, 40, 14);
+
+    SetRect(&rect, 10, 10, -30, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_CENTER | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 12, "Got unexpected height %d.\n", height);
+    check_rect(&rect, -31, 10, 12, 22);
+
+    SetRect(&rect, 10, 10, 50, -30);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_CENTER | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 24, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 20, 10, 40, 34);
+
+    SetRect(&rect, 10, 10, 50, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_CENTER | DT_VCENTER | DT_CALCRECT, 0xff00ff);
+    ok(height == 32, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 20, 18, 40, 42);
+
+    SetRect(&rect, 10, 10, 50, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_CENTER | DT_VCENTER | DT_CALCRECT, 0xff00ff);
+    ok(height == 32, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 20, 18, 40, 42);
+
+    SetRect(&rect, -10, 10, 30, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_CENTER | DT_VCENTER | DT_CALCRECT, 0xff00ff);
+    ok(height == 32, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 0, 18, 20, 42);
+
+    SetRect(&rect, 10, -10, 50, 30);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_CENTER | DT_VCENTER | DT_CALCRECT, 0xff00ff);
+    ok(height == 32, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 20, -2, 40, 22);
+
+    SetRect(&rect, 10, 10, -30, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_CENTER | DT_VCENTER | DT_CALCRECT, 0xff00ff);
+    ok(height == 32, "Got unexpected height %d.\n", height);
+    check_rect(&rect, -20, 18, 0, 42);
+
+    SetRect(&rect, 10, 10, 50, -30);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_CENTER | DT_VCENTER | DT_CALCRECT, 0xff00ff);
+    ok(height == -8, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 20, -22, 40, 2);
+
+    SetRect(&rect, 10, 10, 50, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_CENTER | DT_VCENTER | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 32, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 20, 18, 40, 42);
+
+    SetRect(&rect, 10, 10, 50, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_CENTER | DT_VCENTER | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 32, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 20, 18, 40, 42);
+
+    SetRect(&rect, -10, 10, 30, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_CENTER | DT_VCENTER | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 32, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 0, 18, 20, 42);
+
+    SetRect(&rect, 10, -10, 50, 30);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_CENTER | DT_VCENTER | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 32, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 20, -2, 40, 22);
+
+    SetRect(&rect, 10, 10, -30, 50);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_CENTER | DT_VCENTER | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == 26, "Got unexpected height %d.\n", height);
+    check_rect(&rect, -31, 24, 12, 36);
+
+    SetRect(&rect, 10, 10, 50, -30);
+    height = ID3DXFont_DrawTextW(font, NULL, L"aaaa aaaa", -1, &rect, DT_CENTER | DT_VCENTER | DT_WORDBREAK | DT_CALCRECT, 0xff00ff);
+    ok(height == -8, "Got unexpected height %d.\n", height);
+    check_rect(&rect, 20, -22, 40, 2);
+
     ID3DXFont_Release(font);
 }