void SNM_DynSizedText::DrawLines(LICE_IBitmap* _drawbm, RECT* _r, int _fontHeight)
{
if (!m_font.GetHFont() || m_lastFontH<=0)
return;
RECT tr;
tr.top = _r->top + int((_r->bottom-_r->top)/2.0 - (_fontHeight*m_lines.GetSize())/2.0 + 0.5);
tr.left = _r->left;
tr.right = _r->right;
for (int i=0; i < m_lines.GetSize(); i++)
{
tr.bottom = tr.top+_fontHeight;
#ifdef _SNM_DYN_FONT_DEBUG
LICE_DrawRect(_drawbm, tr.left, tr.top, tr.right, tr.bottom, LICE_RGBA(255,255,255,255));
#endif
m_font.DrawText(
_drawbm,
m_lines.Get(i)->Get(), -1, &tr,
// DT_BOTTOM to avoid cropped display (issue 606)
m_align | (m_alpha<255 ? (DT_SINGLELINE|DT_NOPREFIX|DT_BOTTOM|LICE_DT_USEFGALPHA|LICE_DT_NEEDALPHA) : DT_SINGLELINE|DT_NOPREFIX|DT_BOTTOM)
);
tr.top = tr.bottom;
}
}
void Rectangle(HDC ctx, int l, int t, int r, int b)
{
HDC__ *c=(HDC__ *)ctx;
if (!HDC_VALID(c)) return;
//CGRect rect=CGRectMake(l,t,r-l,b-t);
swell_DirtyContext(ctx,l,t,r,b);
l += c->surface_offs.x;
t += c->surface_offs.y;
r += c->surface_offs.x;
b += c->surface_offs.y;
if (HGDIOBJ_VALID(c->curbrush,TYPE_BRUSH) && c->curbrush->wid >= 0)
{
LICE_FillRect(c->surface,l,t,r-l,b-t,c->curbrush->color,c->curbrush->alpha,LICE_BLIT_MODE_COPY);
}
if (HGDIOBJ_VALID(c->curpen,TYPE_PEN) && c->curpen->wid >= 0)
{
LICE_DrawRect(c->surface,l,t,r-l,b-t,c->curpen->color,c->curpen->alpha,LICE_BLIT_MODE_COPY);
}
}
void SNM_DynSizedText::OnPaint(LICE_IBitmap *drawbm, int origin_x, int origin_y, RECT *cliprect)
{
RECT r = m_position;
r.left += origin_x;
r.right += origin_x;
r.top += origin_y;
r.bottom += origin_y;
int h = r.bottom-r.top;
int w = r.right-r.left;
ColorTheme* ct = SNM_GetColorTheme();
int col = m_col;
if (!col)
col = ct ? LICE_RGBA_FROMNATIVE(ct->main_text, m_alpha) : LICE_RGBA(255,255,255,255);
if (m_wantBorder)
LICE_DrawRect(drawbm,r.left,r.top,w,h,col,0.2f);
// title lane
int laneHeight = GetTitleLaneHeight();
if (WantTitleLane() && HasTitleLane())
{
if (m_wantBorder)
LICE_Line(drawbm, r.left,r.top+laneHeight-1,r.right,r.top+laneHeight-1,col,0.2f);
// title's band coloring (works for all themes)
LICE_FillRect(drawbm,r.left,r.top,r.right-r.left,laneHeight,col,1.0f,LICE_BLIT_MODE_OVERLAY);
LICE_FillRect(drawbm,r.left,r.top,r.right-r.left,laneHeight,col,1.0f,LICE_BLIT_MODE_OVERLAY);
static LICE_CachedFont sFont;
if (!sFont.GetHFont()) // single lazy init..
{
LOGFONT lf = {
SNM_FONT_HEIGHT, 0,0,0,FW_BOLD,FALSE,FALSE,FALSE,DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH,SNM_FONT_NAME
};
sFont.SetFromHFont(CreateFontIndirect(&lf),LICE_FONT_FLAG_OWNS_HFONT|LICE_FONT_FLAG_FORCE_NATIVE);
// others props are set on demand (support theme switches)
}
sFont.SetBkMode(TRANSPARENT);
sFont.SetTextColor(LICE_RGBA_FROMNATIVE(WDL_STYLE_GetSysColor(COLOR_WINDOW), 255)); // "negative" color
{
RECT tr = {r.left,r.top,r.right,r.top+laneHeight};
char buf[64] = "";
_snprintfSafe(buf, sizeof(buf), " %s ", m_title.Get()); // trick for better display when left/right align
sFont.DrawText(drawbm, buf, -1, &tr, DT_SINGLELINE|DT_NOPREFIX|DT_VCENTER|m_titleAlign);
}
// resize draw rect: take band into account
r.top += laneHeight;
h = r.bottom-r.top;
}
// ok, now the meat: render lines with a dynamic sized text
if (!m_lines.GetSize() || !m_lines.Get(m_maxLineIdx))
return;
///////////////////////////////////////////////////////////////////////////////
#ifndef _SNM_MISC // 1st sol.: full width but several fonts can be tried
// initial font height estimation
// touchy: the better estimation, the less cpu use!
int estimFontH = int((w*2.65)/m_lines.Get(m_maxLineIdx)->GetLength()); // 2.65 = average from tests..
if (estimFontH > int(h/m_lines.GetSize())+0.5)
estimFontH = int(h/m_lines.GetSize()+0.5);
// check if the current font can do the job
if (m_lastFontH>=SNM_FONT_HEIGHT && abs(estimFontH-m_lastFontH) < 2) // tolerance: 2 pixels
{
#ifdef _SNM_DYN_FONT_DEBUG
OutputDebugString("SNM_DynSizedText::OnPaint() - Skip font creation\n");
#endif
m_font.SetTextColor(col);
DrawLines(drawbm, &r, m_lastFontH);
}
else
{
m_lastFontH = estimFontH;
#ifdef _SNM_DYN_FONT_DEBUG
int dbgTries=0;
#endif
while(m_lastFontH>SNM_FONT_HEIGHT)
{
HFONT lf = CreateFont(m_lastFontH,0,0,0,FW_NORMAL,FALSE,FALSE,FALSE,DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH,m_fontName.Get());
m_font.SetFromHFont(lf, LICE_FONT_FLAG_OWNS_HFONT|LICE_FONT_FLAG_FORCE_NATIVE);
m_font.SetBkMode(TRANSPARENT);
m_font.SetTextColor(col);
RECT tr = {0,0,0,0};
// DT flags must be consistent with DrawLines()
m_font.DrawText(NULL, m_lines.Get(m_maxLineIdx)->Get(), -1, &tr, DT_SINGLELINE|DT_BOTTOM|DT_NOPREFIX|DT_CALCRECT);
if ((tr.right - tr.left) > (w-int(w*0.02+0.5))) // room: 2% of w
{
m_font.SetFromHFont(NULL,LICE_FONT_FLAG_OWNS_HFONT);
DeleteObject(lf);
m_lastFontH--;
#ifdef _SNM_DYN_FONT_DEBUG
dbgTries++;
#endif
}
else
{
DrawLines(drawbm, &r, m_lastFontH);
// no font deletion: will try to re-use it..
break;
}
}
#ifdef _SNM_DYN_FONT_DEBUG
char dbg[256];
_snprintfSafe(dbg, sizeof(dbg), "SNM_DynSizedText::OnPaint() - %d tries, estim: %d, real: %d\n", dbgTries, estimFontH, m_lastFontH);
OutputDebugString(dbg);
#endif
}
///////////////////////////////////////////////////////////////////////////////
#else // 2nd sol.: render text in best effort, single font creation
/*JFB commented: truncated text..
int fontHeight = int((w*2.65)/m_lines.Get(m_maxLineIdx)->GetLength()); // 2.65 = average from tests..
if (fontHeight > int(h/m_lines.GetSize())+0.5)
fontHeight = int(h/m_lines.GetSize()+0.5);
*/
// font height estimation (safe but it does not use all the available width/height)
int fontHeight = int(h/m_lines.GetSize() + 0.5);
while (fontHeight>SNM_FONT_HEIGHT && (fontHeight*m_lines.Get(m_maxLineIdx)->GetLength()*0.55) > w) // 0.55: h/w factor
fontHeight--;
if (fontHeight>=SNM_FONT_HEIGHT)
{
HFONT lf = CreateFont(fontHeight,0,0,0,FW_NORMAL,FALSE,FALSE,FALSE,DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH,m_fontName.Get());
m_font.SetFromHFont(lf, LICE_FONT_FLAG_OWNS_HFONT|LICE_FONT_FLAG_FORCE_NATIVE);
m_font.SetBkMode(TRANSPARENT);
m_font.SetTextColor(col);
DrawLines(drawbm, &r, fontHeight);
m_font.SetFromHFont(NULL,LICE_FONT_FLAG_OWNS_HFONT);
DeleteObject(lf);
}
#endif
}
