Sven Baars : d3dx9: Handle newlines in ID3DXFont_DrawText.
Module: wine Branch: master Commit: 330c3f9108191feb6eb888384befb5cb54645233 URL: https://source.winehq.org/git/wine.git/?a=commit;h=330c3f9108191feb6eb888384... Author: Sven Baars <sbaars(a)codeweavers.com> Date: Thu Mar 5 22:39:57 2020 +0100 d3dx9: Handle newlines in ID3DXFont_DrawText. Signed-off-by: Sven Baars <sbaars(a)codeweavers.com> Signed-off-by: Matteo Bruni <mbruni(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/d3dx9_36/font.c | 109 +++++++++++++++++++++++++++++++-------------- dlls/d3dx9_36/tests/core.c | 14 +++--- 2 files changed, 83 insertions(+), 40 deletions(-) diff --git a/dlls/d3dx9_36/font.c b/dlls/d3dx9_36/font.c index 8ca35b8c21..71cfddb0d4 100644 --- a/dlls/d3dx9_36/font.c +++ b/dlls/d3dx9_36/font.c @@ -509,13 +509,42 @@ static INT WINAPI ID3DXFontImpl_DrawTextA(ID3DXFont *iface, ID3DXSprite *sprite, return ret; } +static const WCHAR *read_line(HDC hdc, const WCHAR *str, int *count, + WCHAR *dest, unsigned int *dest_len, int width) +{ + unsigned int i = 0; + SIZE size; + + *dest_len = 0; + while (*count && str[i] != '\n') + { + --(*count); + if (str[i] != '\r') + dest[(*dest_len)++] = str[i]; + ++i; + } + + GetTextExtentExPointW(hdc, dest, *dest_len, width, NULL, NULL, &size); + + if (*count && str[i] == '\n') + { + --(*count); + ++i; + } + + if (*count) + return str + i; + return NULL; +} + static INT WINAPI ID3DXFontImpl_DrawTextW(ID3DXFont *iface, ID3DXSprite *sprite, const WCHAR *string, INT count, RECT *rect, DWORD format, D3DCOLOR color) { struct d3dx_font *font = impl_from_ID3DXFont(iface); ID3DXSprite *target = sprite; + WCHAR *line; RECT textrect = {0}; - int lh, x, y; + int lh, x, y, width; int ret = 0; TRACE("iface %p, sprite %p, string %s, count %d, rect %s, format %#x, color 0x%08x.\n", @@ -544,59 +573,71 @@ static INT WINAPI ID3DXFontImpl_DrawTextW(ID3DXFont *iface, ID3DXSprite *sprite, x = textrect.left; y = textrect.top; + width = textrect.right - textrect.left; lh = font->metrics.tmHeight; + line = heap_alloc(count * sizeof(*line)); + if (!line) + return 0; + if (!(format & DT_CALCRECT) && !sprite) { D3DXCreateSprite(font->device, &target); ID3DXSprite_Begin(target, 0); } - if (!(format & DT_CALCRECT)) + while (string) { - GCP_RESULTSW results; - D3DXVECTOR3 pos; - int i; - - memset(&results, 0, sizeof(results)); - results.nGlyphs = count; + unsigned int line_len; - results.lpCaretPos = heap_alloc(count * sizeof(*results.lpCaretPos)); - if (!results.lpCaretPos) - goto cleanup; + string = read_line(font->hdc, string, &count, line, &line_len, width); - results.lpGlyphs = heap_alloc(count * sizeof(*results.lpGlyphs)); - if (!results.lpGlyphs) + if (!(format & DT_CALCRECT)) { - heap_free(results.lpCaretPos); - goto cleanup; - } + GCP_RESULTSW results; + D3DXVECTOR3 pos; + unsigned int i; - GetCharacterPlacementW(font->hdc, string, count, 0, &results, 0); + memset(&results, 0, sizeof(results)); + results.nGlyphs = line_len; - for (i = 0; i < results.nGlyphs; ++i) - { - IDirect3DTexture9 *texture; - POINT cell_inc; - RECT black_box; + results.lpCaretPos = heap_alloc(line_len * sizeof(*results.lpCaretPos)); + if (!results.lpCaretPos) + goto cleanup; - ID3DXFont_GetGlyphData(iface, results.lpGlyphs[i], &texture, &black_box, &cell_inc); + results.lpGlyphs = heap_alloc(line_len * sizeof(*results.lpGlyphs)); + if (!results.lpGlyphs) + { + heap_free(results.lpCaretPos); + goto cleanup; + } - if (!texture) - continue; + GetCharacterPlacementW(font->hdc, line, line_len, 0, &results, 0); - pos.x = cell_inc.x + x + results.lpCaretPos[i]; - pos.y = cell_inc.y + y; + for (i = 0; i < results.nGlyphs; ++i) + { + IDirect3DTexture9 *texture; + POINT cell_inc; + RECT black_box; - ID3DXSprite_Draw(target, texture, &black_box, NULL, &pos, color); - IDirect3DTexture9_Release(texture); - } + ID3DXFont_GetGlyphData(iface, results.lpGlyphs[i], &texture, &black_box, &cell_inc); - heap_free(results.lpCaretPos); - heap_free(results.lpGlyphs); + if (!texture) + continue; + + pos.x = cell_inc.x + x + results.lpCaretPos[i]; + pos.y = cell_inc.y + y; + + ID3DXSprite_Draw(target, texture, &black_box, NULL, &pos, color); + IDirect3DTexture9_Release(texture); + } + + heap_free(results.lpCaretPos); + heap_free(results.lpGlyphs); + } + y += lh; } - y += lh; ret = y - textrect.top; @@ -607,6 +648,8 @@ cleanup: ID3DXSprite_Release(target); } + heap_free(line); + return ret; } diff --git a/dlls/d3dx9_36/tests/core.c b/dlls/d3dx9_36/tests/core.c index c1e0eac0c8..c6f5beff43 100644 --- a/dlls/d3dx9_36/tests/core.c +++ b/dlls/d3dx9_36/tests/core.c @@ -762,19 +762,19 @@ static void test_ID3DXFont(IDirect3DDevice9 *device) todo_wine ok(height == 96, "Got unexpected height %d.\n", height); height = ID3DXFont_DrawTextW(font, NULL, L"a\na", -1, &rect, 0, 0xff00ff); - todo_wine ok(height == 24, "Got unexpected height %d.\n", height); + ok(height == 24, "Got unexpected height %d.\n", height); height = ID3DXFont_DrawTextW(font, NULL, L"a\r\na", -1, &rect, 0, 0xff00ff); - todo_wine ok(height == 24, "Got unexpected height %d.\n", height); + ok(height == 24, "Got unexpected height %d.\n", height); height = ID3DXFont_DrawTextW(font, NULL, L"a\ra", -1, &rect, 0, 0xff00ff); ok(height == 12, "Got unexpected height %d.\n", height); height = ID3DXFont_DrawTextW(font, NULL, L"a\na", -1, &rect, DT_SINGLELINE, 0xff00ff); - ok(height == 12, "Got unexpected height %d.\n", height); + todo_wine ok(height == 12, "Got unexpected height %d.\n", height); height = ID3DXFont_DrawTextW(font, NULL, L"a\naaaaa aaaa", -1, &rect, 0, 0xff00ff); - todo_wine ok(height == 24, "Got unexpected height %d.\n", height); + ok(height == 24, "Got unexpected height %d.\n", height); height = ID3DXFont_DrawTextW(font, NULL, L"a\naaaaa aaaa", -1, &rect, DT_WORDBREAK, 0xff00ff); todo_wine ok(height == 36, "Got unexpected height %d.\n", height); @@ -783,7 +783,7 @@ static void test_ID3DXFont(IDirect3DDevice9 *device) todo_wine ok(height == 48, "Got unexpected height %d.\n", height); height = ID3DXFont_DrawTextW(font, NULL, L"1\n2\n3\n4\n5\n6", -1, &rect, DT_NOCLIP, 0xff00ff); - todo_wine ok(height == 72, "Got unexpected height %d.\n", height); + ok(height == 72, "Got unexpected height %d.\n", height); height = ID3DXFont_DrawTextW(font, NULL, L"\t\t\t\t\t\t\t\t\t\t", -1, &rect, DT_WORDBREAK, 0xff00ff); todo_wine ok(height == 0, "Got unexpected height %d.\n", height); @@ -834,10 +834,10 @@ static void test_ID3DXFont(IDirect3DDevice9 *device) todo_wine ok(height == 32, "Got unexpected height %d.\n", height); height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_RIGHT, 0xff00ff); - todo_wine ok(height == 24, "Got unexpected height %d.\n", height); + ok(height == 24, "Got unexpected height %d.\n", height); height = ID3DXFont_DrawTextW(font, NULL, L"aaaa\naaaa", -1, &rect, DT_CENTER, 0xff00ff); - todo_wine ok(height == 24, "Got unexpected height %d.\n", height); + ok(height == 24, "Got unexpected height %d.\n", height); ID3DXFont_Release(font); }
participants (1)
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Alexandre Julliard