[WINESYNC] d3dx9: Add a helper for computing the bounding rectangle in ID3DXFont_DrawText.

Signed-off-by: Sven Baars <sbaars@codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

wine commit id 53769e7bde9cfb808e26cf67057314c2ca03345a by Sven Baars <sbaars@codeweavers.com>
This commit is contained in:
winesync 2020-09-21 23:07:33 +02:00 committed by Jérôme Gardou
parent 4f3d8e9fbf
commit 841a23759e
2 changed files with 96 additions and 68 deletions

View file

@ -603,17 +603,46 @@ static const WCHAR *read_line(HDC hdc, const WCHAR *str, unsigned int *count,
return NULL;
}
static int compute_rect(struct d3dx_font *font, const WCHAR *string, unsigned int count,
WCHAR *line, RECT *rect, DWORD format)
{
int y, lh, width, top = rect->top;
int max_width = 0;
SIZE size;
y = rect->top;
lh = font->metrics.tmHeight;
width = rect->right - rect->left;
while (string)
{
unsigned int line_len;
string = read_line(font->hdc, string, &count, line, &line_len, width, format, &size);
if (size.cx > max_width)
max_width = size.cx;
y += lh;
if (!(format & DT_NOCLIP) && (y > rect->bottom))
break;
}
rect->right = rect->left + max_width;
rect->bottom = y;
return rect->bottom - top;
}
static INT WINAPI ID3DXFontImpl_DrawTextW(ID3DXFont *iface, ID3DXSprite *sprite,
const WCHAR *string, INT in_count, RECT *rect, DWORD format, D3DCOLOR color)
{
struct d3dx_font *font = impl_from_ID3DXFont(iface);
int lh, x, y, width, top, ret = 0;
ID3DXSprite *target = sprite;
RECT textrect = {0};
int lh, x, y, width;
unsigned int count;
int max_width = 0;
RECT r = {0};
WCHAR *line;
int ret = 0;
SIZE size;
TRACE("iface %p, sprite %p, string %s, in_count %d, rect %s, format %#x, color 0x%08x.\n",
@ -633,20 +662,36 @@ static INT WINAPI ID3DXFontImpl_DrawTextW(ID3DXFont *iface, ID3DXSprite *sprite,
if (format & DT_SINGLELINE)
format &= ~DT_WORDBREAK;
if (rect)
textrect = *rect;
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)
if (!rect || format & DT_CALCRECT)
{
if (!rect)
{
rect = &r;
format |= DT_NOCLIP;
}
top = rect->top;
ret = compute_rect(font, string, count, line, rect, format);
if (format & DT_CALCRECT)
goto cleanup;
}
else
{
top = rect->top;
}
x = rect->left;
y = rect->top;
lh = font->metrics.tmHeight;
width = rect->right - rect->left;
if (!sprite)
{
D3DXCreateSprite(font->device, &target);
ID3DXSprite_Begin(target, 0);
@ -654,72 +699,55 @@ static INT WINAPI ID3DXFontImpl_DrawTextW(ID3DXFont *iface, ID3DXSprite *sprite,
while (string)
{
unsigned int line_len;
unsigned int line_len, i;
GCP_RESULTSW results;
D3DXVECTOR3 pos;
string = read_line(font->hdc, string, &count, line, &line_len, width, format, &size);
if (!(format & DT_CALCRECT))
memset(&results, 0, sizeof(results));
results.nGlyphs = line_len;
results.lpCaretPos = heap_alloc(line_len * sizeof(*results.lpCaretPos));
if (!results.lpCaretPos)
goto cleanup;
results.lpGlyphs = heap_alloc(line_len * sizeof(*results.lpGlyphs));
if (!results.lpGlyphs)
{
GCP_RESULTSW results;
D3DXVECTOR3 pos;
unsigned int i;
memset(&results, 0, sizeof(results));
results.nGlyphs = line_len;
results.lpCaretPos = heap_alloc(line_len * sizeof(*results.lpCaretPos));
if (!results.lpCaretPos)
goto cleanup;
results.lpGlyphs = heap_alloc(line_len * sizeof(*results.lpGlyphs));
if (!results.lpGlyphs)
{
heap_free(results.lpCaretPos);
goto cleanup;
}
GetCharacterPlacementW(font->hdc, line, line_len, 0, &results, 0);
for (i = 0; i < results.nGlyphs; ++i)
{
IDirect3DTexture9 *texture;
POINT cell_inc;
RECT black_box;
ID3DXFont_GetGlyphData(iface, results.lpGlyphs[i], &texture, &black_box, &cell_inc);
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);
goto cleanup;
}
else if (size.cx > max_width)
GetCharacterPlacementW(font->hdc, line, line_len, 0, &results, 0);
for (i = 0; i < results.nGlyphs; ++i)
{
max_width = size.cx;
IDirect3DTexture9 *texture;
POINT cell_inc;
RECT black_box;
ID3DXFont_GetGlyphData(iface, results.lpGlyphs[i], &texture, &black_box, &cell_inc);
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;
if (!(DT_NOCLIP & format) && (y > textrect.bottom))
if (!(DT_NOCLIP & format) && (y > rect->bottom))
break;
}
if (format & DT_CALCRECT && rect)
{
*rect = textrect;
rect->bottom = y;
rect->right = rect->left + max_width;
}
ret = y - textrect.top;
ret = y - top;
cleanup:
if (target != sprite)

View file

@ -15,4 +15,4 @@ files: {include/d3dx9.h: sdk/include/dxsdk/d3dx9.h, include/d3dx9anim.h: sdk/inc
include/d3dx9mesh.h: sdk/include/dxsdk/d3dx9mesh.h, include/d3dx9of.h: sdk/include/dxsdk/d3dx9of.h,
include/d3dx9shader.h: sdk/include/dxsdk/d3dx9shader.h, include/d3dx9shape.h: sdk/include/dxsdk/d3dx9shape.h,
include/d3dx9tex.h: sdk/include/dxsdk/d3dx9tex.h, include/d3dx9xof.h: sdk/include/dxsdk/d3dx9xof.h}
tags: {wine: b5df43b9118074485a1f4a917b16d37bc068839d}
tags: {wine: 53769e7bde9cfb808e26cf67057314c2ca03345a}