void
Thumbnail::paintOverImage(
QPainter& painter, QTransform const& image_to_display,
QTransform const& thumb_to_display)
{
if (m_contentRect.isNull()) {
return;
}
painter.setRenderHint(QPainter::Antialiasing, false);
QPen pen(QColor(0x00, 0x00, 0xff));
pen.setWidth(1);
pen.setCosmetic(true);
painter.setPen(pen);
painter.setBrush(QColor(0x00, 0x00, 0xff, 50));
QRectF content_rect(imageToThumb().mapRect(m_contentRect));
// Adjust to compensate for pen width.
content_rect.adjust(-1, -1, 1, 1);
// toRect() is necessary because we turn off antialiasing.
// For some reason, if we let Qt round the coordinates,
// the result is slightly different.
painter.drawRect(content_rect.toRect());
}
void
CImageButtonWithStyle::OnNotifyCustomDraw (NMHDR * pNotifyStruct, LRESULT* result)
{
LPNMCUSTOMDRAW pCustomDraw = (LPNMCUSTOMDRAW) pNotifyStruct;
ASSERT(pCustomDraw->hdr.hwndFrom == m_hWnd);
ASSERT(pCustomDraw->hdr.code = NM_CUSTOMDRAW);
DWORD style = GetStyle();
if ((style & (BS_BITMAP | BS_ICON)) == 0 || !g_xpStyle.IsAppThemed() || !g_xpStyle.IsThemeActive())
{
// not icon or bitmap button, or themes not active - draw normally
*result = CDRF_DODEFAULT;
return;
}
if (pCustomDraw->dwDrawStage == CDDS_PREERASE)
// erase background (according to parent window's themed background
g_xpStyle.DrawThemeParentBackground(m_hWnd, pCustomDraw->hdc, &pCustomDraw->rc);
if (pCustomDraw->dwDrawStage == CDDS_PREERASE || pCustomDraw->dwDrawStage == CDDS_PREPAINT)
{
// get theme handle
HTHEME hTheme = g_xpStyle.OpenThemeData(m_hWnd, L"BUTTON");
ASSERT(hTheme != NULL);
if (hTheme == NULL)
{
// fail gracefully
*result = CDRF_DODEFAULT;
return;
}
// determine state for DrawThemeBackground()
// note: order of these tests is significant
int state_id = PBS_NORMAL;
if (style & WS_DISABLED)
state_id = PBS_DISABLED;
else if (pCustomDraw->uItemState & CDIS_SELECTED)
state_id = PBS_PRESSED;
else if (pCustomDraw->uItemState & CDIS_HOT)
state_id = PBS_HOT;
else if (GetCheck())//T4: Added Checkbox support
state_id = PBS_PRESSED;
else if (style & BS_DEFPUSHBUTTON)
state_id = PBS_DEFAULTED;
// draw themed button background appropriate to button state
g_xpStyle.DrawThemeBackground(hTheme,
pCustomDraw->hdc, BP_PUSHBUTTON,
state_id,
&pCustomDraw->rc, NULL);
// get content rectangle (space inside button for image)
CRect content_rect(pCustomDraw->rc);
g_xpStyle.GetThemeBackgroundContentRect(hTheme,
pCustomDraw->hdc, BP_PUSHBUTTON,
state_id,
&pCustomDraw->rc,
&content_rect);
// we're done with the theme
g_xpStyle.CloseThemeData(hTheme);
// draw the image
if (style & BS_BITMAP)
{
draw_bitmap(pCustomDraw->hdc, &content_rect, style);
}
else
{
ASSERT(style & BS_ICON); // since we bailed out at top otherwise
draw_icon(pCustomDraw->hdc, &content_rect, style);
}
// finally, draw the focus rectangle if needed
//T4: We don't need focus here
/*if (pCustomDraw->uItemState & CDIS_FOCUS)
{
// draw focus rectangle
DrawFocusRect (pCustomDraw->hdc, &content_rect);
}*/
*result = CDRF_SKIPDEFAULT;
return;
}
// we should never get here, since we should only get CDDS_PREERASE or CDDS_PREPAINT
ASSERT(false);
*result = CDRF_DODEFAULT;
}
