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wine/dlls/uxtheme/draw.c
Frédéric Delanoy 5181b1c4b8 uxtheme: Use BOOL type where appropriate.
2013-10-14 10:44:37 +02:00

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/*
* Win32 5.1 Theme drawing
*
* Copyright (C) 2003 Kevin Koltzau
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdlib.h>
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "wingdi.h"
#include "vfwmsgs.h"
#include "uxtheme.h"
#include "tmschema.h"
#include "msstyles.h"
#include "uxthemedll.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(uxtheme);
/***********************************************************************
* Defines and global variables
*/
extern ATOM atDialogThemeEnabled;
/***********************************************************************/
/***********************************************************************
* EnableThemeDialogTexture (UXTHEME.@)
*/
HRESULT WINAPI EnableThemeDialogTexture(HWND hwnd, DWORD dwFlags)
{
static const WCHAR szTab[] = { 'T','a','b',0 };
BOOL res;
TRACE("(%p,0x%08x\n", hwnd, dwFlags);
res = SetPropW (hwnd, (LPCWSTR)MAKEINTATOM(atDialogThemeEnabled),
UlongToHandle(dwFlags|0x80000000));
/* 0x80000000 serves as a "flags set" flag */
if (!res)
return HRESULT_FROM_WIN32(GetLastError());
if (dwFlags & ETDT_USETABTEXTURE)
return SetWindowTheme (hwnd, NULL, szTab);
else
return SetWindowTheme (hwnd, NULL, NULL);
}
/***********************************************************************
* IsThemeDialogTextureEnabled (UXTHEME.@)
*/
BOOL WINAPI IsThemeDialogTextureEnabled(HWND hwnd)
{
DWORD dwDialogTextureFlags;
TRACE("(%p)\n", hwnd);
dwDialogTextureFlags = HandleToUlong( GetPropW( hwnd, (LPCWSTR)MAKEINTATOM(atDialogThemeEnabled) ));
if (dwDialogTextureFlags == 0)
/* Means EnableThemeDialogTexture wasn't called for this dialog */
return TRUE;
return (dwDialogTextureFlags & ETDT_ENABLE) && !(dwDialogTextureFlags & ETDT_DISABLE);
}
/***********************************************************************
* DrawThemeParentBackground (UXTHEME.@)
*/
HRESULT WINAPI DrawThemeParentBackground(HWND hwnd, HDC hdc, RECT *prc)
{
RECT rt;
POINT org;
HWND hParent;
HRGN clip = NULL;
int hasClip = -1;
TRACE("(%p,%p,%p)\n", hwnd, hdc, prc);
hParent = GetParent(hwnd);
if(!hParent)
hParent = hwnd;
if(prc) {
CopyRect(&rt, prc);
MapWindowPoints(hwnd, hParent, (LPPOINT)&rt, 2);
clip = CreateRectRgn(0,0,1,1);
hasClip = GetClipRgn(hdc, clip);
if(hasClip == -1)
TRACE("Failed to get original clipping region\n");
else
IntersectClipRect(hdc, prc->left, prc->top, prc->right, prc->bottom);
}
else {
GetClientRect(hwnd, &rt);
MapWindowPoints(hwnd, hParent, (LPPOINT)&rt, 2);
}
OffsetViewportOrgEx(hdc, -rt.left, -rt.top, &org);
SendMessageW(hParent, WM_ERASEBKGND, (WPARAM)hdc, 0);
SendMessageW(hParent, WM_PRINTCLIENT, (WPARAM)hdc, PRF_CLIENT);
SetViewportOrgEx(hdc, org.x, org.y, NULL);
if(prc) {
if(hasClip == 0)
SelectClipRgn(hdc, NULL);
else if(hasClip == 1)
SelectClipRgn(hdc, clip);
DeleteObject(clip);
}
return S_OK;
}
/***********************************************************************
* DrawThemeBackground (UXTHEME.@)
*/
HRESULT WINAPI DrawThemeBackground(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, const RECT *pRect,
const RECT *pClipRect)
{
DTBGOPTS opts;
opts.dwSize = sizeof(DTBGOPTS);
opts.dwFlags = 0;
if(pClipRect) {
opts.dwFlags |= DTBG_CLIPRECT;
CopyRect(&opts.rcClip, pClipRect);
}
return DrawThemeBackgroundEx(hTheme, hdc, iPartId, iStateId, pRect, &opts);
}
/***********************************************************************
* UXTHEME_SelectImage
*
* Select the image to use
*/
static PTHEME_PROPERTY UXTHEME_SelectImage(HTHEME hTheme, HDC hdc, int iPartId, int iStateId, const RECT *pRect, BOOL glyph)
{
PTHEME_PROPERTY tp;
int imageselecttype = IST_NONE;
int i;
int image;
if(glyph)
image = TMT_GLYPHIMAGEFILE;
else
image = TMT_IMAGEFILE;
if((tp=MSSTYLES_FindProperty(hTheme, iPartId, iStateId, TMT_FILENAME, image)))
return tp;
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_IMAGESELECTTYPE, &imageselecttype);
if(imageselecttype == IST_DPI) {
int reqdpi = 0;
int screendpi = GetDeviceCaps(hdc, LOGPIXELSX);
for(i=4; i>=0; i--) {
reqdpi = 0;
if(SUCCEEDED(GetThemeInt(hTheme, iPartId, iStateId, i + TMT_MINDPI1, &reqdpi))) {
if(reqdpi != 0 && screendpi >= reqdpi) {
TRACE("Using %d DPI, image %d\n", reqdpi, i + TMT_IMAGEFILE1);
return MSSTYLES_FindProperty(hTheme, iPartId, iStateId, TMT_FILENAME, i + TMT_IMAGEFILE1);
}
}
}
/* If an image couldn't be selected, choose the first one */
return MSSTYLES_FindProperty(hTheme, iPartId, iStateId, TMT_FILENAME, TMT_IMAGEFILE1);
}
else if(imageselecttype == IST_SIZE) {
POINT size = {pRect->right-pRect->left, pRect->bottom-pRect->top};
POINT reqsize;
for(i=4; i>=0; i--) {
PTHEME_PROPERTY fileProp =
MSSTYLES_FindProperty(hTheme, iPartId, iStateId, TMT_FILENAME, i + TMT_IMAGEFILE1);
if (!fileProp) continue;
if(FAILED(GetThemePosition(hTheme, iPartId, iStateId, i + TMT_MINSIZE1, &reqsize))) {
/* fall back to size of Nth image */
WCHAR szPath[MAX_PATH];
int imagelayout = IL_HORIZONTAL;
int imagecount = 1;
BITMAP bmp;
HBITMAP hBmp;
BOOL hasAlpha;
lstrcpynW(szPath, fileProp->lpValue,
min(fileProp->dwValueLen+1, sizeof(szPath)/sizeof(szPath[0])));
hBmp = MSSTYLES_LoadBitmap(hTheme, szPath, &hasAlpha);
if(!hBmp) continue;
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_IMAGELAYOUT, &imagelayout);
GetThemeInt(hTheme, iPartId, iStateId, TMT_IMAGECOUNT, &imagecount);
GetObjectW(hBmp, sizeof(bmp), &bmp);
if(imagelayout == IL_VERTICAL) {
reqsize.x = bmp.bmWidth;
reqsize.y = bmp.bmHeight/imagecount;
}
else {
reqsize.x = bmp.bmWidth/imagecount;
reqsize.y = bmp.bmHeight;
}
}
if(reqsize.x <= size.x && reqsize.y <= size.y) {
TRACE("Using image size %dx%d, image %d\n", reqsize.x, reqsize.y, i + TMT_IMAGEFILE1);
return fileProp;
}
}
/* If an image couldn't be selected, choose the smallest one */
return MSSTYLES_FindProperty(hTheme, iPartId, iStateId, TMT_FILENAME, TMT_IMAGEFILE1);
}
return NULL;
}
/***********************************************************************
* UXTHEME_LoadImage
*
* Load image for part/state
*/
static HRESULT UXTHEME_LoadImage(HTHEME hTheme, HDC hdc, int iPartId, int iStateId, const RECT *pRect, BOOL glyph,
HBITMAP *hBmp, RECT *bmpRect, BOOL* hasImageAlpha)
{
int imagelayout = IL_HORIZONTAL;
int imagecount = 1;
int imagenum;
BITMAP bmp;
WCHAR szPath[MAX_PATH];
PTHEME_PROPERTY tp = UXTHEME_SelectImage(hTheme, hdc, iPartId, iStateId, pRect, glyph);
if(!tp) {
FIXME("Couldn't determine image for part/state %d/%d, invalid theme?\n", iPartId, iStateId);
return E_PROP_ID_UNSUPPORTED;
}
lstrcpynW(szPath, tp->lpValue, min(tp->dwValueLen+1, sizeof(szPath)/sizeof(szPath[0])));
*hBmp = MSSTYLES_LoadBitmap(hTheme, szPath, hasImageAlpha);
if(!*hBmp) {
TRACE("Failed to load bitmap %s\n", debugstr_w(szPath));
return HRESULT_FROM_WIN32(GetLastError());
}
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_IMAGELAYOUT, &imagelayout);
GetThemeInt(hTheme, iPartId, iStateId, TMT_IMAGECOUNT, &imagecount);
imagenum = max (min (imagecount, iStateId), 1) - 1;
GetObjectW(*hBmp, sizeof(bmp), &bmp);
if(imagelayout == IL_VERTICAL) {
int height = bmp.bmHeight/imagecount;
bmpRect->left = 0;
bmpRect->right = bmp.bmWidth;
bmpRect->top = imagenum * height;
bmpRect->bottom = bmpRect->top + height;
}
else {
int width = bmp.bmWidth/imagecount;
bmpRect->left = imagenum * width;
bmpRect->right = bmpRect->left + width;
bmpRect->top = 0;
bmpRect->bottom = bmp.bmHeight;
}
return S_OK;
}
/***********************************************************************
* UXTHEME_StretchBlt
*
* Pseudo TransparentBlt/StretchBlt
*/
static inline BOOL UXTHEME_StretchBlt(HDC hdcDst, int nXOriginDst, int nYOriginDst, int nWidthDst, int nHeightDst,
HDC hdcSrc, int nXOriginSrc, int nYOriginSrc, int nWidthSrc, int nHeightSrc,
INT transparent, COLORREF transcolor)
{
static const BLENDFUNCTION blendFunc =
{
AC_SRC_OVER, /* BlendOp */
0, /* BlendFlag */
255, /* SourceConstantAlpha */
AC_SRC_ALPHA /* AlphaFormat */
};
if (transparent == ALPHABLEND_BINARY) {
/* Ensure we don't pass any negative values to TransparentBlt */
return TransparentBlt(hdcDst, nXOriginDst, nYOriginDst, abs(nWidthDst), abs(nHeightDst),
hdcSrc, nXOriginSrc, nYOriginSrc, abs(nWidthSrc), abs(nHeightSrc),
transcolor);
}
if ((transparent == ALPHABLEND_NONE) ||
!AlphaBlend(hdcDst, nXOriginDst, nYOriginDst, nWidthDst, nHeightDst,
hdcSrc, nXOriginSrc, nYOriginSrc, nWidthSrc, nHeightSrc,
blendFunc))
{
return StretchBlt(hdcDst, nXOriginDst, nYOriginDst, nWidthDst, nHeightDst,
hdcSrc, nXOriginSrc, nYOriginSrc, nWidthSrc, nHeightSrc,
SRCCOPY);
}
return TRUE;
}
/***********************************************************************
* UXTHEME_Blt
*
* Simplify sending same width/height for both source and dest
*/
static inline BOOL UXTHEME_Blt(HDC hdcDest, int nXOriginDest, int nYOriginDest, int nWidthDest, int nHeightDest,
HDC hdcSrc, int nXOriginSrc, int nYOriginSrc,
INT transparent, COLORREF transcolor)
{
return UXTHEME_StretchBlt(hdcDest, nXOriginDest, nYOriginDest, nWidthDest, nHeightDest,
hdcSrc, nXOriginSrc, nYOriginSrc, nWidthDest, nHeightDest,
transparent, transcolor);
}
/***********************************************************************
* UXTHEME_SizedBlt
*
* Stretches or tiles, depending on sizingtype.
*/
static inline BOOL UXTHEME_SizedBlt (HDC hdcDst, int nXOriginDst, int nYOriginDst,
int nWidthDst, int nHeightDst,
HDC hdcSrc, int nXOriginSrc, int nYOriginSrc,
int nWidthSrc, int nHeightSrc,
int sizingtype,
INT transparent, COLORREF transcolor)
{
if (sizingtype == ST_TILE)
{
HDC hdcTemp;
BOOL result = FALSE;
if (!nWidthSrc || !nHeightSrc) return TRUE;
/* For destination width/height less than or equal to source
width/height, do not bother with memory bitmap optimization */
if (nWidthSrc >= nWidthDst && nHeightSrc >= nHeightDst)
{
int bltWidth = min (nWidthDst, nWidthSrc);
int bltHeight = min (nHeightDst, nHeightSrc);
return UXTHEME_Blt (hdcDst, nXOriginDst, nYOriginDst, bltWidth, bltHeight,
hdcSrc, nXOriginSrc, nYOriginSrc,
transparent, transcolor);
}
/* Create a DC with a bitmap consisting of a tiling of the source
bitmap, with standard GDI functions. This is faster than an
iteration with UXTHEME_Blt(). */
hdcTemp = CreateCompatibleDC(hdcSrc);
if (hdcTemp != 0)
{
HBITMAP bitmapTemp;
HBITMAP bitmapOrig;
int nWidthTemp, nHeightTemp;
int xOfs, xRemaining;
int yOfs, yRemaining;
int growSize;
/* Calculate temp dimensions of integer multiples of source dimensions */
nWidthTemp = ((nWidthDst + nWidthSrc - 1) / nWidthSrc) * nWidthSrc;
nHeightTemp = ((nHeightDst + nHeightSrc - 1) / nHeightSrc) * nHeightSrc;
bitmapTemp = CreateCompatibleBitmap(hdcSrc, nWidthTemp, nHeightTemp);
bitmapOrig = SelectObject(hdcTemp, bitmapTemp);
/* Initial copy of bitmap */
BitBlt(hdcTemp, 0, 0, nWidthSrc, nHeightSrc, hdcSrc, nXOriginSrc, nYOriginSrc, SRCCOPY);
/* Extend bitmap in the X direction. Growth of width is exponential */
xOfs = nWidthSrc;
xRemaining = nWidthTemp - nWidthSrc;
growSize = nWidthSrc;
while (xRemaining > 0)
{
growSize = min(growSize, xRemaining);
BitBlt(hdcTemp, xOfs, 0, growSize, nHeightSrc, hdcTemp, 0, 0, SRCCOPY);
xOfs += growSize;
xRemaining -= growSize;
growSize *= 2;
}
/* Extend bitmap in the Y direction. Growth of height is exponential */
yOfs = nHeightSrc;
yRemaining = nHeightTemp - nHeightSrc;
growSize = nHeightSrc;
while (yRemaining > 0)
{
growSize = min(growSize, yRemaining);
BitBlt(hdcTemp, 0, yOfs, nWidthTemp, growSize, hdcTemp, 0, 0, SRCCOPY);
yOfs += growSize;
yRemaining -= growSize;
growSize *= 2;
}
/* Use temporary hdc for source */
result = UXTHEME_Blt (hdcDst, nXOriginDst, nYOriginDst, nWidthDst, nHeightDst,
hdcTemp, 0, 0,
transparent, transcolor);
SelectObject(hdcTemp, bitmapOrig);
DeleteObject(bitmapTemp);
}
DeleteDC(hdcTemp);
return result;
}
else
{
return UXTHEME_StretchBlt (hdcDst, nXOriginDst, nYOriginDst, nWidthDst, nHeightDst,
hdcSrc, nXOriginSrc, nYOriginSrc, nWidthSrc, nHeightSrc,
transparent, transcolor);
}
}
/* Get transparency parameters passed to UXTHEME_StretchBlt() - the parameters
* depend on whether the image has full alpha or whether it is
* color-transparent or just opaque. */
static inline void get_transparency (HTHEME hTheme, int iPartId, int iStateId,
BOOL hasImageAlpha, INT* transparent,
COLORREF* transparentcolor, BOOL glyph)
{
if (hasImageAlpha)
{
*transparent = ALPHABLEND_FULL;
*transparentcolor = RGB (255, 0, 255);
}
else
{
BOOL trans = FALSE;
GetThemeBool(hTheme, iPartId, iStateId,
glyph ? TMT_GLYPHTRANSPARENT : TMT_TRANSPARENT, &trans);
if(trans) {
*transparent = ALPHABLEND_BINARY;
if(FAILED(GetThemeColor(hTheme, iPartId, iStateId,
glyph ? TMT_GLYPHTRANSPARENTCOLOR : TMT_TRANSPARENTCOLOR,
transparentcolor))) {
/* If image is transparent, but no color was specified, use magenta */
*transparentcolor = RGB(255, 0, 255);
}
}
else
*transparent = ALPHABLEND_NONE;
}
}
/***********************************************************************
* UXTHEME_DrawImageGlyph
*
* Draw an imagefile glyph
*/
static HRESULT UXTHEME_DrawImageGlyph(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, RECT *pRect,
const DTBGOPTS *pOptions)
{
HRESULT hr;
HBITMAP bmpSrc = NULL;
HDC hdcSrc = NULL;
HGDIOBJ oldSrc = NULL;
RECT rcSrc;
INT transparent = 0;
COLORREF transparentcolor;
int valign = VA_CENTER;
int halign = HA_CENTER;
POINT dstSize;
POINT srcSize;
POINT topleft;
BOOL hasAlpha;
hr = UXTHEME_LoadImage(hTheme, hdc, iPartId, iStateId, pRect, TRUE,
&bmpSrc, &rcSrc, &hasAlpha);
if(FAILED(hr)) return hr;
hdcSrc = CreateCompatibleDC(hdc);
if(!hdcSrc) {
hr = HRESULT_FROM_WIN32(GetLastError());
return hr;
}
oldSrc = SelectObject(hdcSrc, bmpSrc);
dstSize.x = pRect->right-pRect->left;
dstSize.y = pRect->bottom-pRect->top;
srcSize.x = rcSrc.right-rcSrc.left;
srcSize.y = rcSrc.bottom-rcSrc.top;
get_transparency (hTheme, iPartId, iStateId, hasAlpha, &transparent,
&transparentcolor, TRUE);
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_VALIGN, &valign);
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_HALIGN, &halign);
topleft.x = pRect->left;
topleft.y = pRect->top;
if(halign == HA_CENTER) topleft.x += (dstSize.x/2)-(srcSize.x/2);
else if(halign == HA_RIGHT) topleft.x += dstSize.x-srcSize.x;
if(valign == VA_CENTER) topleft.y += (dstSize.y/2)-(srcSize.y/2);
else if(valign == VA_BOTTOM) topleft.y += dstSize.y-srcSize.y;
if(!UXTHEME_Blt(hdc, topleft.x, topleft.y, srcSize.x, srcSize.y,
hdcSrc, rcSrc.left, rcSrc.top,
transparent, transparentcolor)) {
hr = HRESULT_FROM_WIN32(GetLastError());
}
SelectObject(hdcSrc, oldSrc);
DeleteDC(hdcSrc);
return hr;
}
/***********************************************************************
* UXTHEME_DrawImageGlyph
*
* Draw glyph on top of background, if appropriate
*/
static HRESULT UXTHEME_DrawGlyph(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, RECT *pRect,
const DTBGOPTS *pOptions)
{
int glyphtype = GT_NONE;
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_GLYPHTYPE, &glyphtype);
if(glyphtype == GT_IMAGEGLYPH) {
return UXTHEME_DrawImageGlyph(hTheme, hdc, iPartId, iStateId, pRect, pOptions);
}
else if(glyphtype == GT_FONTGLYPH) {
/* I don't know what a font glyph is, I've never seen it used in any themes */
FIXME("Font glyph\n");
}
return S_OK;
}
/***********************************************************************
* get_image_part_size
*
* Used by GetThemePartSize and UXTHEME_DrawImageBackground
*/
static HRESULT get_image_part_size (HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, RECT *prc, THEMESIZE eSize,
POINT *psz)
{
HRESULT hr = S_OK;
HBITMAP bmpSrc;
RECT rcSrc;
BOOL hasAlpha;
hr = UXTHEME_LoadImage(hTheme, hdc, iPartId, iStateId, prc, FALSE,
&bmpSrc, &rcSrc, &hasAlpha);
if (FAILED(hr)) return hr;
switch (eSize)
{
case TS_DRAW:
if (prc != NULL)
{
RECT rcDst;
POINT dstSize;
POINT srcSize;
int sizingtype = ST_STRETCH;
BOOL uniformsizing = FALSE;
CopyRect(&rcDst, prc);
dstSize.x = rcDst.right-rcDst.left;
dstSize.y = rcDst.bottom-rcDst.top;
srcSize.x = rcSrc.right-rcSrc.left;
srcSize.y = rcSrc.bottom-rcSrc.top;
GetThemeBool(hTheme, iPartId, iStateId, TMT_UNIFORMSIZING, &uniformsizing);
if(uniformsizing) {
/* Scale height and width equally */
if (dstSize.x*srcSize.y < dstSize.y*srcSize.x)
{
dstSize.y = MulDiv (srcSize.y, dstSize.x, srcSize.x);
rcDst.bottom = rcDst.top + dstSize.y;
}
else
{
dstSize.x = MulDiv (srcSize.x, dstSize.y, srcSize.y);
rcDst.right = rcDst.left + dstSize.x;
}
}
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_SIZINGTYPE, &sizingtype);
if(sizingtype == ST_TRUESIZE) {
int truesizestretchmark = 100;
if(dstSize.x < 0 || dstSize.y < 0) {
BOOL mirrorimage = TRUE;
GetThemeBool(hTheme, iPartId, iStateId, TMT_MIRRORIMAGE, &mirrorimage);
if(mirrorimage) {
if(dstSize.x < 0) {
rcDst.left += dstSize.x;
rcDst.right += dstSize.x;
}
if(dstSize.y < 0) {
rcDst.top += dstSize.y;
rcDst.bottom += dstSize.y;
}
}
}
/* Whatever TrueSizeStretchMark does - it does not seem to
* be what's outlined below. It appears as if native
* uxtheme always stretches if dest is smaller than source
* (ie as if TrueSizeStretchMark==100 with the code below) */
#if 0
/* Only stretch when target exceeds source by truesizestretchmark percent */
GetThemeInt(hTheme, iPartId, iStateId, TMT_TRUESIZESTRETCHMARK, &truesizestretchmark);
#endif
if(dstSize.x < 0 || dstSize.y < 0 ||
(MulDiv(srcSize.x, 100, dstSize.x) > truesizestretchmark &&
MulDiv(srcSize.y, 100, dstSize.y) > truesizestretchmark)) {
memcpy (psz, &dstSize, sizeof (SIZE));
}
else {
memcpy (psz, &srcSize, sizeof (SIZE));
}
}
else
{
psz->x = abs(dstSize.x);
psz->y = abs(dstSize.y);
}
break;
}
/* else fall through */
case TS_MIN:
/* FIXME: couldn't figure how native uxtheme computes min size */
case TS_TRUE:
psz->x = rcSrc.right - rcSrc.left;
psz->y = rcSrc.bottom - rcSrc.top;
break;
}
return hr;
}
/***********************************************************************
* UXTHEME_DrawImageBackground
*
* Draw an imagefile background
*/
static HRESULT UXTHEME_DrawImageBackground(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, RECT *pRect,
const DTBGOPTS *pOptions)
{
HRESULT hr = S_OK;
HBITMAP bmpSrc;
HGDIOBJ oldSrc;
HDC hdcSrc;
RECT rcSrc;
RECT rcDst;
POINT dstSize;
POINT srcSize;
POINT drawSize;
int sizingtype = ST_STRETCH;
INT transparent;
COLORREF transparentcolor = 0;
BOOL hasAlpha;
hr = UXTHEME_LoadImage(hTheme, hdc, iPartId, iStateId, pRect, FALSE,
&bmpSrc, &rcSrc, &hasAlpha);
if(FAILED(hr)) return hr;
hdcSrc = CreateCompatibleDC(hdc);
if(!hdcSrc) {
hr = HRESULT_FROM_WIN32(GetLastError());
return hr;
}
oldSrc = SelectObject(hdcSrc, bmpSrc);
CopyRect(&rcDst, pRect);
get_transparency (hTheme, iPartId, iStateId, hasAlpha, &transparent,
&transparentcolor, FALSE);
dstSize.x = rcDst.right-rcDst.left;
dstSize.y = rcDst.bottom-rcDst.top;
srcSize.x = rcSrc.right-rcSrc.left;
srcSize.y = rcSrc.bottom-rcSrc.top;
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_SIZINGTYPE, &sizingtype);
if(sizingtype == ST_TRUESIZE) {
int valign = VA_CENTER, halign = HA_CENTER;
get_image_part_size (hTheme, hdc, iPartId, iStateId, pRect, TS_DRAW, &drawSize);
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_VALIGN, &valign);
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_HALIGN, &halign);
if (halign == HA_CENTER)
rcDst.left += (dstSize.x/2)-(drawSize.x/2);
else if (halign == HA_RIGHT)
rcDst.left = rcDst.right - drawSize.x;
if (valign == VA_CENTER)
rcDst.top += (dstSize.y/2)-(drawSize.y/2);
else if (valign == VA_BOTTOM)
rcDst.top = rcDst.bottom - drawSize.y;
rcDst.right = rcDst.left + drawSize.x;
rcDst.bottom = rcDst.top + drawSize.y;
if(!UXTHEME_StretchBlt(hdc, rcDst.left, rcDst.top, drawSize.x, drawSize.y,
hdcSrc, rcSrc.left, rcSrc.top, srcSize.x, srcSize.y,
transparent, transparentcolor))
hr = HRESULT_FROM_WIN32(GetLastError());
}
else {
HDC hdcDst = NULL;
MARGINS sm;
POINT org;
dstSize.x = abs(dstSize.x);
dstSize.y = abs(dstSize.y);
GetThemeMargins(hTheme, hdc, iPartId, iStateId, TMT_SIZINGMARGINS, NULL, &sm);
hdcDst = hdc;
OffsetViewportOrgEx(hdcDst, rcDst.left, rcDst.top, &org);
/* Upper left corner */
if(!UXTHEME_Blt(hdcDst, 0, 0, sm.cxLeftWidth, sm.cyTopHeight,
hdcSrc, rcSrc.left, rcSrc.top,
transparent, transparentcolor)) {
hr = HRESULT_FROM_WIN32(GetLastError());
goto draw_error;
}
/* Upper right corner */
if(!UXTHEME_Blt (hdcDst, dstSize.x-sm.cxRightWidth, 0,
sm.cxRightWidth, sm.cyTopHeight,
hdcSrc, rcSrc.right-sm.cxRightWidth, rcSrc.top,
transparent, transparentcolor)) {
hr = HRESULT_FROM_WIN32(GetLastError());
goto draw_error;
}
/* Lower left corner */
if(!UXTHEME_Blt (hdcDst, 0, dstSize.y-sm.cyBottomHeight,
sm.cxLeftWidth, sm.cyBottomHeight,
hdcSrc, rcSrc.left, rcSrc.bottom-sm.cyBottomHeight,
transparent, transparentcolor)) {
hr = HRESULT_FROM_WIN32(GetLastError());
goto draw_error;
}
/* Lower right corner */
if(!UXTHEME_Blt (hdcDst, dstSize.x-sm.cxRightWidth, dstSize.y-sm.cyBottomHeight,
sm.cxRightWidth, sm.cyBottomHeight,
hdcSrc, rcSrc.right-sm.cxRightWidth, rcSrc.bottom-sm.cyBottomHeight,
transparent, transparentcolor)) {
hr = HRESULT_FROM_WIN32(GetLastError());
goto draw_error;
}
if ((sizingtype == ST_STRETCH) || (sizingtype == ST_TILE)) {
int destCenterWidth = dstSize.x - (sm.cxLeftWidth + sm.cxRightWidth);
int srcCenterWidth = srcSize.x - (sm.cxLeftWidth + sm.cxRightWidth);
int destCenterHeight = dstSize.y - (sm.cyTopHeight + sm.cyBottomHeight);
int srcCenterHeight = srcSize.y - (sm.cyTopHeight + sm.cyBottomHeight);
if(destCenterWidth > 0) {
/* Center top */
if(!UXTHEME_SizedBlt (hdcDst, sm.cxLeftWidth, 0,
destCenterWidth, sm.cyTopHeight,
hdcSrc, rcSrc.left+sm.cxLeftWidth, rcSrc.top,
srcCenterWidth, sm.cyTopHeight,
sizingtype, transparent, transparentcolor)) {
hr = HRESULT_FROM_WIN32(GetLastError());
goto draw_error;
}
/* Center bottom */
if(!UXTHEME_SizedBlt (hdcDst, sm.cxLeftWidth, dstSize.y-sm.cyBottomHeight,
destCenterWidth, sm.cyBottomHeight,
hdcSrc, rcSrc.left+sm.cxLeftWidth, rcSrc.bottom-sm.cyBottomHeight,
srcCenterWidth, sm.cyBottomHeight,
sizingtype, transparent, transparentcolor)) {
hr = HRESULT_FROM_WIN32(GetLastError());
goto draw_error;
}
}
if(destCenterHeight > 0) {
/* Left center */
if(!UXTHEME_SizedBlt (hdcDst, 0, sm.cyTopHeight,
sm.cxLeftWidth, destCenterHeight,
hdcSrc, rcSrc.left, rcSrc.top+sm.cyTopHeight,
sm.cxLeftWidth, srcCenterHeight,
sizingtype,
transparent, transparentcolor)) {
hr = HRESULT_FROM_WIN32(GetLastError());
goto draw_error;
}
/* Right center */
if(!UXTHEME_SizedBlt (hdcDst, dstSize.x-sm.cxRightWidth, sm.cyTopHeight,
sm.cxRightWidth, destCenterHeight,
hdcSrc, rcSrc.right-sm.cxRightWidth, rcSrc.top+sm.cyTopHeight,
sm.cxRightWidth, srcCenterHeight,
sizingtype, transparent, transparentcolor)) {
hr = HRESULT_FROM_WIN32(GetLastError());
goto draw_error;
}
}
if(destCenterHeight > 0 && destCenterWidth > 0) {
BOOL borderonly = FALSE;
GetThemeBool(hTheme, iPartId, iStateId, TMT_BORDERONLY, &borderonly);
if(!borderonly) {
/* Center */
if(!UXTHEME_SizedBlt (hdcDst, sm.cxLeftWidth, sm.cyTopHeight,
destCenterWidth, destCenterHeight,
hdcSrc, rcSrc.left+sm.cxLeftWidth, rcSrc.top+sm.cyTopHeight,
srcCenterWidth, srcCenterHeight,
sizingtype, transparent, transparentcolor)) {
hr = HRESULT_FROM_WIN32(GetLastError());
goto draw_error;
}
}
}
}
draw_error:
SetViewportOrgEx (hdcDst, org.x, org.y, NULL);
}
SelectObject(hdcSrc, oldSrc);
DeleteDC(hdcSrc);
CopyRect(pRect, &rcDst);
return hr;
}
/***********************************************************************
* UXTHEME_DrawBorderRectangle
*
* Draw the bounding rectangle for a borderfill background
*/
static HRESULT UXTHEME_DrawBorderRectangle(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, RECT *pRect,
const DTBGOPTS *pOptions)
{
HRESULT hr = S_OK;
HPEN hPen;
HGDIOBJ oldPen;
COLORREF bordercolor = RGB(0,0,0);
int bordersize = 1;
GetThemeInt(hTheme, iPartId, iStateId, TMT_BORDERSIZE, &bordersize);
if(bordersize > 0) {
POINT ptCorners[5];
ptCorners[0].x = pRect->left;
ptCorners[0].y = pRect->top;
ptCorners[1].x = pRect->right-1;
ptCorners[1].y = pRect->top;
ptCorners[2].x = pRect->right-1;
ptCorners[2].y = pRect->bottom-1;
ptCorners[3].x = pRect->left;
ptCorners[3].y = pRect->bottom-1;
ptCorners[4].x = pRect->left;
ptCorners[4].y = pRect->top;
InflateRect(pRect, -bordersize, -bordersize);
if(pOptions->dwFlags & DTBG_OMITBORDER)
return S_OK;
GetThemeColor(hTheme, iPartId, iStateId, TMT_BORDERCOLOR, &bordercolor);
hPen = CreatePen(PS_SOLID, bordersize, bordercolor);
if(!hPen)
return HRESULT_FROM_WIN32(GetLastError());
oldPen = SelectObject(hdc, hPen);
if(!Polyline(hdc, ptCorners, 5))
hr = HRESULT_FROM_WIN32(GetLastError());
SelectObject(hdc, oldPen);
DeleteObject(hPen);
}
return hr;
}
/***********************************************************************
* UXTHEME_DrawBackgroundFill
*
* Fill a borderfill background rectangle
*/
static HRESULT UXTHEME_DrawBackgroundFill(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, RECT *pRect,
const DTBGOPTS *pOptions)
{
HRESULT hr = S_OK;
int filltype = FT_SOLID;
TRACE("(%d,%d,%d)\n", iPartId, iStateId, pOptions->dwFlags);
if(pOptions->dwFlags & DTBG_OMITCONTENT)
return S_OK;
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_FILLTYPE, &filltype);
if(filltype == FT_SOLID) {
HBRUSH hBrush;
COLORREF fillcolor = RGB(255,255,255);
GetThemeColor(hTheme, iPartId, iStateId, TMT_FILLCOLOR, &fillcolor);
hBrush = CreateSolidBrush(fillcolor);
if(!FillRect(hdc, pRect, hBrush))
hr = HRESULT_FROM_WIN32(GetLastError());
DeleteObject(hBrush);
}
else if(filltype == FT_VERTGRADIENT || filltype == FT_HORZGRADIENT) {
/* FIXME: This only accounts for 2 gradient colors (out of 5) and ignores
the gradient ratios (no idea how those work)
Few themes use this, and the ones I've seen only use 2 colors with
a gradient ratio of 0 and 255 respectively
*/
COLORREF gradient1 = RGB(0,0,0);
COLORREF gradient2 = RGB(255,255,255);
TRIVERTEX vert[2];
GRADIENT_RECT gRect;
FIXME("Gradient implementation not complete\n");
GetThemeColor(hTheme, iPartId, iStateId, TMT_GRADIENTCOLOR1, &gradient1);
GetThemeColor(hTheme, iPartId, iStateId, TMT_GRADIENTCOLOR2, &gradient2);
vert[0].x = pRect->left;
vert[0].y = pRect->top;
vert[0].Red = GetRValue(gradient1) << 8;
vert[0].Green = GetGValue(gradient1) << 8;
vert[0].Blue = GetBValue(gradient1) << 8;
vert[0].Alpha = 0xff00;
vert[1].x = pRect->right;
vert[1].y = pRect->bottom;
vert[1].Red = GetRValue(gradient2) << 8;
vert[1].Green = GetGValue(gradient2) << 8;
vert[1].Blue = GetBValue(gradient2) << 8;
vert[1].Alpha = 0xff00;
gRect.UpperLeft = 0;
gRect.LowerRight = 1;
GradientFill(hdc,vert,2,&gRect,1,filltype==FT_HORZGRADIENT?GRADIENT_FILL_RECT_H:GRADIENT_FILL_RECT_V);
}
else if(filltype == FT_RADIALGRADIENT) {
/* I've never seen this used in a theme */
FIXME("Radial gradient\n");
}
else if(filltype == FT_TILEIMAGE) {
/* I've never seen this used in a theme */
FIXME("Tile image\n");
}
return hr;
}
/***********************************************************************
* UXTHEME_DrawBorderBackground
*
* Draw an imagefile background
*/
static HRESULT UXTHEME_DrawBorderBackground(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, const RECT *pRect,
const DTBGOPTS *pOptions)
{
HRESULT hr;
RECT rt;
CopyRect(&rt, pRect);
hr = UXTHEME_DrawBorderRectangle(hTheme, hdc, iPartId, iStateId, &rt, pOptions);
if(FAILED(hr))
return hr;
return UXTHEME_DrawBackgroundFill(hTheme, hdc, iPartId, iStateId, &rt, pOptions);
}
/***********************************************************************
* DrawThemeBackgroundEx (UXTHEME.@)
*/
HRESULT WINAPI DrawThemeBackgroundEx(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, const RECT *pRect,
const DTBGOPTS *pOptions)
{
HRESULT hr;
const DTBGOPTS defaultOpts = {sizeof(DTBGOPTS), 0, {0,0,0,0}};
const DTBGOPTS *opts;
HRGN clip = NULL;
int hasClip = -1;
int bgtype = BT_BORDERFILL;
RECT rt;
TRACE("(%p,%p,%d,%d,%d,%d)\n", hTheme, hdc, iPartId, iStateId,pRect->left,pRect->top);
if(!hTheme)
return E_HANDLE;
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_BGTYPE, &bgtype);
if (bgtype == BT_NONE) return S_OK;
/* Ensure we have a DTBGOPTS structure available, simplifies some of the code */
opts = pOptions;
if(!opts) opts = &defaultOpts;
if(opts->dwFlags & DTBG_CLIPRECT) {
clip = CreateRectRgn(0,0,1,1);
hasClip = GetClipRgn(hdc, clip);
if(hasClip == -1)
TRACE("Failed to get original clipping region\n");
else
IntersectClipRect(hdc, opts->rcClip.left, opts->rcClip.top, opts->rcClip.right, opts->rcClip.bottom);
}
CopyRect(&rt, pRect);
if(bgtype == BT_IMAGEFILE)
hr = UXTHEME_DrawImageBackground(hTheme, hdc, iPartId, iStateId, &rt, opts);
else if(bgtype == BT_BORDERFILL)
hr = UXTHEME_DrawBorderBackground(hTheme, hdc, iPartId, iStateId, pRect, opts);
else {
FIXME("Unknown background type\n");
/* This should never happen, and hence I don't know what to return */
hr = E_FAIL;
}
if(SUCCEEDED(hr))
hr = UXTHEME_DrawGlyph(hTheme, hdc, iPartId, iStateId, &rt, opts);
if(opts->dwFlags & DTBG_CLIPRECT) {
if(hasClip == 0)
SelectClipRgn(hdc, NULL);
else if(hasClip == 1)
SelectClipRgn(hdc, clip);
DeleteObject(clip);
}
return hr;
}
/*
* DrawThemeEdge() implementation
*
* Since it basically is DrawEdge() with different colors, I copied its code
* from user32's uitools.c.
*/
enum
{
EDGE_LIGHT,
EDGE_HIGHLIGHT,
EDGE_SHADOW,
EDGE_DARKSHADOW,
EDGE_FILL,
EDGE_WINDOW,
EDGE_WINDOWFRAME,
EDGE_NUMCOLORS
};
static const struct
{
int themeProp;
int sysColor;
} EdgeColorMap[EDGE_NUMCOLORS] = {
{TMT_EDGELIGHTCOLOR, COLOR_3DLIGHT},
{TMT_EDGEHIGHLIGHTCOLOR, COLOR_BTNHIGHLIGHT},
{TMT_EDGESHADOWCOLOR, COLOR_BTNSHADOW},
{TMT_EDGEDKSHADOWCOLOR, COLOR_3DDKSHADOW},
{TMT_EDGEFILLCOLOR, COLOR_BTNFACE},
{-1, COLOR_WINDOW},
{-1, COLOR_WINDOWFRAME}
};
static const signed char LTInnerNormal[] = {
-1, -1, -1, -1,
-1, EDGE_HIGHLIGHT, EDGE_HIGHLIGHT, -1,
-1, EDGE_DARKSHADOW, EDGE_DARKSHADOW, -1,
-1, -1, -1, -1
};
static const signed char LTOuterNormal[] = {
-1, EDGE_LIGHT, EDGE_SHADOW, -1,
EDGE_HIGHLIGHT, EDGE_LIGHT, EDGE_SHADOW, -1,
EDGE_DARKSHADOW, EDGE_LIGHT, EDGE_SHADOW, -1,
-1, EDGE_LIGHT, EDGE_SHADOW, -1
};
static const signed char RBInnerNormal[] = {
-1, -1, -1, -1,
-1, EDGE_SHADOW, EDGE_SHADOW, -1,
-1, EDGE_LIGHT, EDGE_LIGHT, -1,
-1, -1, -1, -1
};
static const signed char RBOuterNormal[] = {
-1, EDGE_DARKSHADOW, EDGE_HIGHLIGHT, -1,
EDGE_SHADOW, EDGE_DARKSHADOW, EDGE_HIGHLIGHT, -1,
EDGE_LIGHT, EDGE_DARKSHADOW, EDGE_HIGHLIGHT, -1,
-1, EDGE_DARKSHADOW, EDGE_HIGHLIGHT, -1
};
static const signed char LTInnerSoft[] = {
-1, -1, -1, -1,
-1, EDGE_LIGHT, EDGE_LIGHT, -1,
-1, EDGE_SHADOW, EDGE_SHADOW, -1,
-1, -1, -1, -1
};
static const signed char LTOuterSoft[] = {
-1, EDGE_HIGHLIGHT, EDGE_DARKSHADOW, -1,
EDGE_LIGHT, EDGE_HIGHLIGHT, EDGE_DARKSHADOW, -1,
EDGE_SHADOW, EDGE_HIGHLIGHT, EDGE_DARKSHADOW, -1,
-1, EDGE_HIGHLIGHT, EDGE_DARKSHADOW, -1
};
#define RBInnerSoft RBInnerNormal /* These are the same */
#define RBOuterSoft RBOuterNormal
static const signed char LTRBOuterMono[] = {
-1, EDGE_WINDOWFRAME, EDGE_WINDOWFRAME, EDGE_WINDOWFRAME,
EDGE_WINDOW, EDGE_WINDOWFRAME, EDGE_WINDOWFRAME, EDGE_WINDOWFRAME,
EDGE_WINDOW, EDGE_WINDOWFRAME, EDGE_WINDOWFRAME, EDGE_WINDOWFRAME,
EDGE_WINDOW, EDGE_WINDOWFRAME, EDGE_WINDOWFRAME, EDGE_WINDOWFRAME,
};
static const signed char LTRBInnerMono[] = {
-1, -1, -1, -1,
-1, EDGE_WINDOW, EDGE_WINDOW, EDGE_WINDOW,
-1, EDGE_WINDOW, EDGE_WINDOW, EDGE_WINDOW,
-1, EDGE_WINDOW, EDGE_WINDOW, EDGE_WINDOW,
};
static const signed char LTRBOuterFlat[] = {
-1, EDGE_SHADOW, EDGE_SHADOW, EDGE_SHADOW,
EDGE_FILL, EDGE_SHADOW, EDGE_SHADOW, EDGE_SHADOW,
EDGE_FILL, EDGE_SHADOW, EDGE_SHADOW, EDGE_SHADOW,
EDGE_FILL, EDGE_SHADOW, EDGE_SHADOW, EDGE_SHADOW,
};
static const signed char LTRBInnerFlat[] = {
-1, -1, -1, -1,
-1, EDGE_FILL, EDGE_FILL, EDGE_FILL,
-1, EDGE_FILL, EDGE_FILL, EDGE_FILL,
-1, EDGE_FILL, EDGE_FILL, EDGE_FILL,
};
static COLORREF get_edge_color (int edgeType, HTHEME theme, int part, int state)
{
COLORREF col;
if ((EdgeColorMap[edgeType].themeProp == -1)
|| FAILED (GetThemeColor (theme, part, state,
EdgeColorMap[edgeType].themeProp, &col)))
col = GetSysColor (EdgeColorMap[edgeType].sysColor);
return col;
}
static inline HPEN get_edge_pen (int edgeType, HTHEME theme, int part, int state)
{
return CreatePen (PS_SOLID, 1, get_edge_color (edgeType, theme, part, state));
}
static inline HBRUSH get_edge_brush (int edgeType, HTHEME theme, int part, int state)
{
return CreateSolidBrush (get_edge_color (edgeType, theme, part, state));
}
/***********************************************************************
* draw_diag_edge
*
* Same as DrawEdge invoked with BF_DIAGONAL
*/
static HRESULT draw_diag_edge (HDC hdc, HTHEME theme, int part, int state,
const RECT* rc, UINT uType,
UINT uFlags, LPRECT contentsRect)
{
POINT Points[4];
signed char InnerI, OuterI;
HPEN InnerPen, OuterPen;
POINT SavePoint;
HPEN SavePen;
int spx, spy;
int epx, epy;
int Width = rc->right - rc->left;
int Height= rc->bottom - rc->top;
int SmallDiam = Width > Height ? Height : Width;
HRESULT retval = (((uType & BDR_INNER) == BDR_INNER
|| (uType & BDR_OUTER) == BDR_OUTER)
&& !(uFlags & (BF_FLAT|BF_MONO)) ) ? E_FAIL : S_OK;
int add = (LTRBInnerMono[uType & (BDR_INNER|BDR_OUTER)] != -1 ? 1 : 0)
+ (LTRBOuterMono[uType & (BDR_INNER|BDR_OUTER)] != -1 ? 1 : 0);
/* Init some vars */
OuterPen = InnerPen = GetStockObject(NULL_PEN);
SavePen = SelectObject(hdc, InnerPen);
spx = spy = epx = epy = 0; /* Satisfy the compiler... */
/* Determine the colors of the edges */
if(uFlags & BF_MONO)
{
InnerI = LTRBInnerMono[uType & (BDR_INNER|BDR_OUTER)];
OuterI = LTRBOuterMono[uType & (BDR_INNER|BDR_OUTER)];
}
else if(uFlags & BF_FLAT)
{
InnerI = LTRBInnerFlat[uType & (BDR_INNER|BDR_OUTER)];
OuterI = LTRBOuterFlat[uType & (BDR_INNER|BDR_OUTER)];
}
else if(uFlags & BF_SOFT)
{
if(uFlags & BF_BOTTOM)
{
InnerI = RBInnerSoft[uType & (BDR_INNER|BDR_OUTER)];
OuterI = RBOuterSoft[uType & (BDR_INNER|BDR_OUTER)];
}
else
{
InnerI = LTInnerSoft[uType & (BDR_INNER|BDR_OUTER)];
OuterI = LTOuterSoft[uType & (BDR_INNER|BDR_OUTER)];
}
}
else
{
if(uFlags & BF_BOTTOM)
{
InnerI = RBInnerNormal[uType & (BDR_INNER|BDR_OUTER)];
OuterI = RBOuterNormal[uType & (BDR_INNER|BDR_OUTER)];
}
else
{
InnerI = LTInnerNormal[uType & (BDR_INNER|BDR_OUTER)];
OuterI = LTOuterNormal[uType & (BDR_INNER|BDR_OUTER)];
}
}
if(InnerI != -1) InnerPen = get_edge_pen (InnerI, theme, part, state);
if(OuterI != -1) OuterPen = get_edge_pen (OuterI, theme, part, state);
MoveToEx(hdc, 0, 0, &SavePoint);
/* Don't ask me why, but this is what is visible... */
/* This must be possible to do much simpler, but I fail to */
/* see the logic in the MS implementation (sigh...). */
/* So, this might look a bit brute force here (and it is), but */
/* it gets the job done;) */
switch(uFlags & BF_RECT)
{
case 0:
case BF_LEFT:
case BF_BOTTOM:
case BF_BOTTOMLEFT:
/* Left bottom endpoint */
epx = rc->left-1;
spx = epx + SmallDiam;
epy = rc->bottom;
spy = epy - SmallDiam;
break;
case BF_TOPLEFT:
case BF_BOTTOMRIGHT:
/* Left top endpoint */
epx = rc->left-1;
spx = epx + SmallDiam;
epy = rc->top-1;
spy = epy + SmallDiam;
break;
case BF_TOP:
case BF_RIGHT:
case BF_TOPRIGHT:
case BF_RIGHT|BF_LEFT:
case BF_RIGHT|BF_LEFT|BF_TOP:
case BF_BOTTOM|BF_TOP:
case BF_BOTTOM|BF_TOP|BF_LEFT:
case BF_BOTTOMRIGHT|BF_LEFT:
case BF_BOTTOMRIGHT|BF_TOP:
case BF_RECT:
/* Right top endpoint */
spx = rc->left;
epx = spx + SmallDiam;
spy = rc->bottom-1;
epy = spy - SmallDiam;
break;
}
MoveToEx(hdc, spx, spy, NULL);
SelectObject(hdc, OuterPen);
LineTo(hdc, epx, epy);
SelectObject(hdc, InnerPen);
switch(uFlags & (BF_RECT|BF_DIAGONAL))
{
case BF_DIAGONAL_ENDBOTTOMLEFT:
case (BF_DIAGONAL|BF_BOTTOM):
case BF_DIAGONAL:
case (BF_DIAGONAL|BF_LEFT):
MoveToEx(hdc, spx-1, spy, NULL);
LineTo(hdc, epx, epy-1);
Points[0].x = spx-add;
Points[0].y = spy;
Points[1].x = rc->left;
Points[1].y = rc->top;
Points[2].x = epx+1;
Points[2].y = epy-1-add;
Points[3] = Points[2];
break;
case BF_DIAGONAL_ENDBOTTOMRIGHT:
MoveToEx(hdc, spx-1, spy, NULL);
LineTo(hdc, epx, epy+1);
Points[0].x = spx-add;
Points[0].y = spy;
Points[1].x = rc->left;
Points[1].y = rc->bottom-1;
Points[2].x = epx+1;
Points[2].y = epy+1+add;
Points[3] = Points[2];
break;
case (BF_DIAGONAL|BF_BOTTOM|BF_RIGHT|BF_TOP):
case (BF_DIAGONAL|BF_BOTTOM|BF_RIGHT|BF_TOP|BF_LEFT):
case BF_DIAGONAL_ENDTOPRIGHT:
case (BF_DIAGONAL|BF_RIGHT|BF_TOP|BF_LEFT):
MoveToEx(hdc, spx+1, spy, NULL);
LineTo(hdc, epx, epy+1);
Points[0].x = epx-1;
Points[0].y = epy+1+add;
Points[1].x = rc->right-1;
Points[1].y = rc->top+add;
Points[2].x = rc->right-1;
Points[2].y = rc->bottom-1;
Points[3].x = spx+add;
Points[3].y = spy;
break;
case BF_DIAGONAL_ENDTOPLEFT:
MoveToEx(hdc, spx, spy-1, NULL);
LineTo(hdc, epx+1, epy);
Points[0].x = epx+1+add;
Points[0].y = epy+1;
Points[1].x = rc->right-1;
Points[1].y = rc->top;
Points[2].x = rc->right-1;
Points[2].y = rc->bottom-1-add;
Points[3].x = spx;
Points[3].y = spy-add;
break;
case (BF_DIAGONAL|BF_TOP):
case (BF_DIAGONAL|BF_BOTTOM|BF_TOP):
case (BF_DIAGONAL|BF_BOTTOM|BF_TOP|BF_LEFT):
MoveToEx(hdc, spx+1, spy-1, NULL);
LineTo(hdc, epx, epy);
Points[0].x = epx-1;
Points[0].y = epy+1;
Points[1].x = rc->right-1;
Points[1].y = rc->top;
Points[2].x = rc->right-1;
Points[2].y = rc->bottom-1-add;
Points[3].x = spx+add;
Points[3].y = spy-add;
break;
case (BF_DIAGONAL|BF_RIGHT):
case (BF_DIAGONAL|BF_RIGHT|BF_LEFT):
case (BF_DIAGONAL|BF_RIGHT|BF_LEFT|BF_BOTTOM):
MoveToEx(hdc, spx, spy, NULL);
LineTo(hdc, epx-1, epy+1);
Points[0].x = spx;
Points[0].y = spy;
Points[1].x = rc->left;
Points[1].y = rc->top+add;
Points[2].x = epx-1-add;
Points[2].y = epy+1+add;
Points[3] = Points[2];
break;
}
/* Fill the interior if asked */
if((uFlags & BF_MIDDLE) && retval)
{
HBRUSH hbsave;
HBRUSH hb = get_edge_brush ((uFlags & BF_MONO) ? EDGE_WINDOW : EDGE_FILL,
theme, part, state);
HPEN hpsave;
HPEN hp = get_edge_pen ((uFlags & BF_MONO) ? EDGE_WINDOW : EDGE_FILL,
theme, part, state);
hbsave = SelectObject(hdc, hb);
hpsave = SelectObject(hdc, hp);
Polygon(hdc, Points, 4);
SelectObject(hdc, hbsave);
SelectObject(hdc, hpsave);
DeleteObject (hp);
DeleteObject (hb);
}
/* Adjust rectangle if asked */
if(uFlags & BF_ADJUST)
{
*contentsRect = *rc;
if(uFlags & BF_LEFT) contentsRect->left += add;
if(uFlags & BF_RIGHT) contentsRect->right -= add;
if(uFlags & BF_TOP) contentsRect->top += add;
if(uFlags & BF_BOTTOM) contentsRect->bottom -= add;
}
/* Cleanup */
SelectObject(hdc, SavePen);
MoveToEx(hdc, SavePoint.x, SavePoint.y, NULL);
if(InnerI != -1) DeleteObject (InnerPen);
if(OuterI != -1) DeleteObject (OuterPen);
return retval;
}
/***********************************************************************
* draw_rect_edge
*
* Same as DrawEdge invoked without BF_DIAGONAL
*/
static HRESULT draw_rect_edge (HDC hdc, HTHEME theme, int part, int state,
const RECT* rc, UINT uType,
UINT uFlags, LPRECT contentsRect)
{
signed char LTInnerI, LTOuterI;
signed char RBInnerI, RBOuterI;
HPEN LTInnerPen, LTOuterPen;
HPEN RBInnerPen, RBOuterPen;
RECT InnerRect = *rc;
POINT SavePoint;
HPEN SavePen;
int LBpenplus = 0;
int LTpenplus = 0;
int RTpenplus = 0;
int RBpenplus = 0;
HRESULT retval = (((uType & BDR_INNER) == BDR_INNER
|| (uType & BDR_OUTER) == BDR_OUTER)
&& !(uFlags & (BF_FLAT|BF_MONO)) ) ? E_FAIL : S_OK;
/* Init some vars */
LTInnerPen = LTOuterPen = RBInnerPen = RBOuterPen = GetStockObject(NULL_PEN);
SavePen = SelectObject(hdc, LTInnerPen);
/* Determine the colors of the edges */
if(uFlags & BF_MONO)
{
LTInnerI = RBInnerI = LTRBInnerMono[uType & (BDR_INNER|BDR_OUTER)];
LTOuterI = RBOuterI = LTRBOuterMono[uType & (BDR_INNER|BDR_OUTER)];
}
else if(uFlags & BF_FLAT)
{
LTInnerI = RBInnerI = LTRBInnerFlat[uType & (BDR_INNER|BDR_OUTER)];
LTOuterI = RBOuterI = LTRBOuterFlat[uType & (BDR_INNER|BDR_OUTER)];
if( LTInnerI != -1 ) LTInnerI = RBInnerI = EDGE_FILL;
}
else if(uFlags & BF_SOFT)
{
LTInnerI = LTInnerSoft[uType & (BDR_INNER|BDR_OUTER)];
LTOuterI = LTOuterSoft[uType & (BDR_INNER|BDR_OUTER)];
RBInnerI = RBInnerSoft[uType & (BDR_INNER|BDR_OUTER)];
RBOuterI = RBOuterSoft[uType & (BDR_INNER|BDR_OUTER)];
}
else
{
LTInnerI = LTInnerNormal[uType & (BDR_INNER|BDR_OUTER)];
LTOuterI = LTOuterNormal[uType & (BDR_INNER|BDR_OUTER)];
RBInnerI = RBInnerNormal[uType & (BDR_INNER|BDR_OUTER)];
RBOuterI = RBOuterNormal[uType & (BDR_INNER|BDR_OUTER)];
}
if((uFlags & BF_BOTTOMLEFT) == BF_BOTTOMLEFT) LBpenplus = 1;
if((uFlags & BF_TOPRIGHT) == BF_TOPRIGHT) RTpenplus = 1;
if((uFlags & BF_BOTTOMRIGHT) == BF_BOTTOMRIGHT) RBpenplus = 1;
if((uFlags & BF_TOPLEFT) == BF_TOPLEFT) LTpenplus = 1;
if(LTInnerI != -1) LTInnerPen = get_edge_pen (LTInnerI, theme, part, state);
if(LTOuterI != -1) LTOuterPen = get_edge_pen (LTOuterI, theme, part, state);
if(RBInnerI != -1) RBInnerPen = get_edge_pen (RBInnerI, theme, part, state);
if(RBOuterI != -1) RBOuterPen = get_edge_pen (RBOuterI, theme, part, state);
MoveToEx(hdc, 0, 0, &SavePoint);
/* Draw the outer edge */
SelectObject(hdc, LTOuterPen);
if(uFlags & BF_TOP)
{
MoveToEx(hdc, InnerRect.left, InnerRect.top, NULL);
LineTo(hdc, InnerRect.right, InnerRect.top);
}
if(uFlags & BF_LEFT)
{
MoveToEx(hdc, InnerRect.left, InnerRect.top, NULL);
LineTo(hdc, InnerRect.left, InnerRect.bottom);
}
SelectObject(hdc, RBOuterPen);
if(uFlags & BF_BOTTOM)
{
MoveToEx(hdc, InnerRect.right-1, InnerRect.bottom-1, NULL);
LineTo(hdc, InnerRect.left-1, InnerRect.bottom-1);
}
if(uFlags & BF_RIGHT)
{
MoveToEx(hdc, InnerRect.right-1, InnerRect.bottom-1, NULL);
LineTo(hdc, InnerRect.right-1, InnerRect.top-1);
}
/* Draw the inner edge */
SelectObject(hdc, LTInnerPen);
if(uFlags & BF_TOP)
{
MoveToEx(hdc, InnerRect.left+LTpenplus, InnerRect.top+1, NULL);
LineTo(hdc, InnerRect.right-RTpenplus, InnerRect.top+1);
}
if(uFlags & BF_LEFT)
{
MoveToEx(hdc, InnerRect.left+1, InnerRect.top+LTpenplus, NULL);
LineTo(hdc, InnerRect.left+1, InnerRect.bottom-LBpenplus);
}
SelectObject(hdc, RBInnerPen);
if(uFlags & BF_BOTTOM)
{
MoveToEx(hdc, InnerRect.right-1-RBpenplus, InnerRect.bottom-2, NULL);
LineTo(hdc, InnerRect.left-1+LBpenplus, InnerRect.bottom-2);
}
if(uFlags & BF_RIGHT)
{
MoveToEx(hdc, InnerRect.right-2, InnerRect.bottom-1-RBpenplus, NULL);
LineTo(hdc, InnerRect.right-2, InnerRect.top-1+RTpenplus);
}
if( ((uFlags & BF_MIDDLE) && retval) || (uFlags & BF_ADJUST) )
{
int add = (LTRBInnerMono[uType & (BDR_INNER|BDR_OUTER)] != -1 ? 1 : 0)
+ (LTRBOuterMono[uType & (BDR_INNER|BDR_OUTER)] != -1 ? 1 : 0);
if(uFlags & BF_LEFT) InnerRect.left += add;
if(uFlags & BF_RIGHT) InnerRect.right -= add;
if(uFlags & BF_TOP) InnerRect.top += add;
if(uFlags & BF_BOTTOM) InnerRect.bottom -= add;
if((uFlags & BF_MIDDLE) && retval)
{
HBRUSH br = get_edge_brush ((uFlags & BF_MONO) ? EDGE_WINDOW : EDGE_FILL,
theme, part, state);
FillRect(hdc, &InnerRect, br);
DeleteObject (br);
}
if(uFlags & BF_ADJUST)
*contentsRect = InnerRect;
}
/* Cleanup */
SelectObject(hdc, SavePen);
MoveToEx(hdc, SavePoint.x, SavePoint.y, NULL);
if(LTInnerI != -1) DeleteObject (LTInnerPen);
if(LTOuterI != -1) DeleteObject (LTOuterPen);
if(RBInnerI != -1) DeleteObject (RBInnerPen);
if(RBOuterI != -1) DeleteObject (RBOuterPen);
return retval;
}
/***********************************************************************
* DrawThemeEdge (UXTHEME.@)
*
* DrawThemeEdge() is pretty similar to the vanilla DrawEdge() - the
* difference is that it does not rely on the system colors alone, but
* also allows color specification in the theme.
*/
HRESULT WINAPI DrawThemeEdge(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, const RECT *pDestRect, UINT uEdge,
UINT uFlags, RECT *pContentRect)
{
TRACE("%d %d 0x%08x 0x%08x\n", iPartId, iStateId, uEdge, uFlags);
if(!hTheme)
return E_HANDLE;
if(uFlags & BF_DIAGONAL)
return draw_diag_edge (hdc, hTheme, iPartId, iStateId, pDestRect,
uEdge, uFlags, pContentRect);
else
return draw_rect_edge (hdc, hTheme, iPartId, iStateId, pDestRect,
uEdge, uFlags, pContentRect);
}
/***********************************************************************
* DrawThemeIcon (UXTHEME.@)
*/
HRESULT WINAPI DrawThemeIcon(HTHEME hTheme, HDC hdc, int iPartId, int iStateId,
const RECT *pRect, HIMAGELIST himl, int iImageIndex)
{
FIXME("%d %d: stub\n", iPartId, iStateId);
if(!hTheme)
return E_HANDLE;
return ERROR_CALL_NOT_IMPLEMENTED;
}
/***********************************************************************
* DrawThemeText (UXTHEME.@)
*/
HRESULT WINAPI DrawThemeText(HTHEME hTheme, HDC hdc, int iPartId, int iStateId,
LPCWSTR pszText, int iCharCount, DWORD dwTextFlags,
DWORD dwTextFlags2, const RECT *pRect)
{
HRESULT hr;
HFONT hFont = NULL;
HGDIOBJ oldFont = NULL;
LOGFONTW logfont;
COLORREF textColor;
COLORREF oldTextColor;
int oldBkMode;
RECT rt;
TRACE("%d %d: stub\n", iPartId, iStateId);
if(!hTheme)
return E_HANDLE;
hr = GetThemeFont(hTheme, hdc, iPartId, iStateId, TMT_FONT, &logfont);
if(SUCCEEDED(hr)) {
hFont = CreateFontIndirectW(&logfont);
if(!hFont)
TRACE("Failed to create font\n");
}
CopyRect(&rt, pRect);
if(hFont)
oldFont = SelectObject(hdc, hFont);
if(dwTextFlags2 & DTT_GRAYED)
textColor = GetSysColor(COLOR_GRAYTEXT);
else {
if(FAILED(GetThemeColor(hTheme, iPartId, iStateId, TMT_TEXTCOLOR, &textColor)))
textColor = GetTextColor(hdc);
}
oldTextColor = SetTextColor(hdc, textColor);
oldBkMode = SetBkMode(hdc, TRANSPARENT);
DrawTextW(hdc, pszText, iCharCount, &rt, dwTextFlags);
SetBkMode(hdc, oldBkMode);
SetTextColor(hdc, oldTextColor);
if(hFont) {
SelectObject(hdc, oldFont);
DeleteObject(hFont);
}
return S_OK;
}
/***********************************************************************
* GetThemeBackgroundContentRect (UXTHEME.@)
*/
HRESULT WINAPI GetThemeBackgroundContentRect(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId,
const RECT *pBoundingRect,
RECT *pContentRect)
{
MARGINS margin;
HRESULT hr;
TRACE("(%d,%d)\n", iPartId, iStateId);
if(!hTheme)
return E_HANDLE;
/* try content margins property... */
hr = GetThemeMargins(hTheme, hdc, iPartId, iStateId, TMT_CONTENTMARGINS, NULL, &margin);
if(SUCCEEDED(hr)) {
pContentRect->left = pBoundingRect->left + margin.cxLeftWidth;
pContentRect->top = pBoundingRect->top + margin.cyTopHeight;
pContentRect->right = pBoundingRect->right - margin.cxRightWidth;
pContentRect->bottom = pBoundingRect->bottom - margin.cyBottomHeight;
} else {
/* otherwise, try to determine content rect from the background type and props */
int bgtype = BT_BORDERFILL;
*pContentRect = *pBoundingRect;
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_BGTYPE, &bgtype);
if(bgtype == BT_BORDERFILL) {
int bordersize = 1;
GetThemeInt(hTheme, iPartId, iStateId, TMT_BORDERSIZE, &bordersize);
InflateRect(pContentRect, -bordersize, -bordersize);
} else if ((bgtype == BT_IMAGEFILE)
&& (SUCCEEDED(hr = GetThemeMargins(hTheme, hdc, iPartId, iStateId,
TMT_SIZINGMARGINS, NULL, &margin)))) {
pContentRect->left = pBoundingRect->left + margin.cxLeftWidth;
pContentRect->top = pBoundingRect->top + margin.cyTopHeight;
pContentRect->right = pBoundingRect->right - margin.cxRightWidth;
pContentRect->bottom = pBoundingRect->bottom - margin.cyBottomHeight;
}
/* If nothing was found, leave unchanged */
}
TRACE("left:%d,top:%d,right:%d,bottom:%d\n", pContentRect->left, pContentRect->top, pContentRect->right, pContentRect->bottom);
return S_OK;
}
/***********************************************************************
* GetThemeBackgroundExtent (UXTHEME.@)
*/
HRESULT WINAPI GetThemeBackgroundExtent(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, const RECT *pContentRect,
RECT *pExtentRect)
{
MARGINS margin;
HRESULT hr;
TRACE("(%d,%d)\n", iPartId, iStateId);
if(!hTheme)
return E_HANDLE;
/* try content margins property... */
hr = GetThemeMargins(hTheme, hdc, iPartId, iStateId, TMT_CONTENTMARGINS, NULL, &margin);
if(SUCCEEDED(hr)) {
pExtentRect->left = pContentRect->left - margin.cxLeftWidth;
pExtentRect->top = pContentRect->top - margin.cyTopHeight;
pExtentRect->right = pContentRect->right + margin.cxRightWidth;
pExtentRect->bottom = pContentRect->bottom + margin.cyBottomHeight;
} else {
/* otherwise, try to determine content rect from the background type and props */
int bgtype = BT_BORDERFILL;
*pExtentRect = *pContentRect;
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_BGTYPE, &bgtype);
if(bgtype == BT_BORDERFILL) {
int bordersize = 1;
GetThemeInt(hTheme, iPartId, iStateId, TMT_BORDERSIZE, &bordersize);
InflateRect(pExtentRect, bordersize, bordersize);
} else if ((bgtype == BT_IMAGEFILE)
&& (SUCCEEDED(hr = GetThemeMargins(hTheme, hdc, iPartId, iStateId,
TMT_SIZINGMARGINS, NULL, &margin)))) {
pExtentRect->left = pContentRect->left - margin.cxLeftWidth;
pExtentRect->top = pContentRect->top - margin.cyTopHeight;
pExtentRect->right = pContentRect->right + margin.cxRightWidth;
pExtentRect->bottom = pContentRect->bottom + margin.cyBottomHeight;
}
/* If nothing was found, leave unchanged */
}
TRACE("left:%d,top:%d,right:%d,bottom:%d\n", pExtentRect->left, pExtentRect->top, pExtentRect->right, pExtentRect->bottom);
return S_OK;
}
/***********************************************************************
* GetThemeBackgroundRegion (UXTHEME.@)
*
* Calculate the background region, taking into consideration transparent areas
* of the background image.
*/
HRESULT WINAPI GetThemeBackgroundRegion(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, const RECT *pRect,
HRGN *pRegion)
{
HRESULT hr = S_OK;
int bgtype = BT_BORDERFILL;
TRACE("(%p,%p,%d,%d)\n", hTheme, hdc, iPartId, iStateId);
if(!hTheme)
return E_HANDLE;
if(!pRect || !pRegion)
return E_POINTER;
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_BGTYPE, &bgtype);
if(bgtype == BT_IMAGEFILE) {
FIXME("Images not handled yet\n");
hr = ERROR_CALL_NOT_IMPLEMENTED;
}
else if(bgtype == BT_BORDERFILL) {
*pRegion = CreateRectRgn(pRect->left, pRect->top, pRect->right, pRect->bottom);
if(!*pRegion)
hr = HRESULT_FROM_WIN32(GetLastError());
}
else {
FIXME("Unknown background type\n");
/* This should never happen, and hence I don't know what to return */
hr = E_FAIL;
}
return hr;
}
/* compute part size for "borderfill" backgrounds */
static HRESULT get_border_background_size (HTHEME hTheme, int iPartId,
int iStateId, THEMESIZE eSize, POINT* psz)
{
HRESULT hr = S_OK;
int bordersize = 1;
if (SUCCEEDED (hr = GetThemeInt(hTheme, iPartId, iStateId, TMT_BORDERSIZE,
&bordersize)))
{
psz->x = psz->y = 2*bordersize;
if (eSize != TS_MIN)
{
psz->x++;
psz->y++;
}
}
return hr;
}
/***********************************************************************
* GetThemePartSize (UXTHEME.@)
*/
HRESULT WINAPI GetThemePartSize(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, RECT *prc, THEMESIZE eSize,
SIZE *psz)
{
int bgtype = BT_BORDERFILL;
HRESULT hr = S_OK;
POINT size = {1, 1};
if(!hTheme)
return E_HANDLE;
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_BGTYPE, &bgtype);
if (bgtype == BT_NONE)
/* do nothing */;
else if(bgtype == BT_IMAGEFILE)
hr = get_image_part_size (hTheme, hdc, iPartId, iStateId, prc, eSize, &size);
else if(bgtype == BT_BORDERFILL)
hr = get_border_background_size (hTheme, iPartId, iStateId, eSize, &size);
else {
FIXME("Unknown background type\n");
/* This should never happen, and hence I don't know what to return */
hr = E_FAIL;
}
psz->cx = size.x;
psz->cy = size.y;
return hr;
}
/***********************************************************************
* GetThemeTextExtent (UXTHEME.@)
*/
HRESULT WINAPI GetThemeTextExtent(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, LPCWSTR pszText, int iCharCount,
DWORD dwTextFlags, const RECT *pBoundingRect,
RECT *pExtentRect)
{
HRESULT hr;
HFONT hFont = NULL;
HGDIOBJ oldFont = NULL;
LOGFONTW logfont;
RECT rt = {0,0,0xFFFF,0xFFFF};
TRACE("%d %d: stub\n", iPartId, iStateId);
if(!hTheme)
return E_HANDLE;
if(pBoundingRect)
CopyRect(&rt, pBoundingRect);
hr = GetThemeFont(hTheme, hdc, iPartId, iStateId, TMT_FONT, &logfont);
if(SUCCEEDED(hr)) {
hFont = CreateFontIndirectW(&logfont);
if(!hFont)
TRACE("Failed to create font\n");
}
if(hFont)
oldFont = SelectObject(hdc, hFont);
DrawTextW(hdc, pszText, iCharCount, &rt, dwTextFlags|DT_CALCRECT);
CopyRect(pExtentRect, &rt);
if(hFont) {
SelectObject(hdc, oldFont);
DeleteObject(hFont);
}
return S_OK;
}
/***********************************************************************
* GetThemeTextMetrics (UXTHEME.@)
*/
HRESULT WINAPI GetThemeTextMetrics(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, TEXTMETRICW *ptm)
{
HRESULT hr;
HFONT hFont = NULL;
HGDIOBJ oldFont = NULL;
LOGFONTW logfont;
TRACE("(%p, %p, %d, %d)\n", hTheme, hdc, iPartId, iStateId);
if(!hTheme)
return E_HANDLE;
hr = GetThemeFont(hTheme, hdc, iPartId, iStateId, TMT_FONT, &logfont);
if(SUCCEEDED(hr)) {
hFont = CreateFontIndirectW(&logfont);
if(!hFont)
TRACE("Failed to create font\n");
}
if(hFont)
oldFont = SelectObject(hdc, hFont);
if(!GetTextMetricsW(hdc, ptm))
hr = HRESULT_FROM_WIN32(GetLastError());
if(hFont) {
SelectObject(hdc, oldFont);
DeleteObject(hFont);
}
return hr;
}
/***********************************************************************
* IsThemeBackgroundPartiallyTransparent (UXTHEME.@)
*/
BOOL WINAPI IsThemeBackgroundPartiallyTransparent(HTHEME hTheme, int iPartId,
int iStateId)
{
int bgtype = BT_BORDERFILL;
RECT rect = {0, 0, 0, 0};
HBITMAP bmpSrc;
RECT rcSrc;
BOOL hasAlpha;
INT transparent;
COLORREF transparentcolor;
TRACE("(%d,%d)\n", iPartId, iStateId);
if(!hTheme)
return FALSE;
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_BGTYPE, &bgtype);
if (bgtype != BT_IMAGEFILE) return FALSE;
if(FAILED (UXTHEME_LoadImage (hTheme, 0, iPartId, iStateId, &rect, FALSE,
&bmpSrc, &rcSrc, &hasAlpha)))
return FALSE;
get_transparency (hTheme, iPartId, iStateId, hasAlpha, &transparent,
&transparentcolor, FALSE);
return (transparent != ALPHABLEND_NONE);
}
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