LICE_IFont* IGraphics::CacheFont(IText* pTxt)
{
LICE_CachedFont* font = (LICE_CachedFont*)s_fontCache.Find(pTxt);
if (!font)
{
font = new LICE_CachedFont;
int h = pTxt->mSize;
int esc = 10 * pTxt->mOrientation;
int wt = (pTxt->mStyle == IText::kStyleBold ? FW_BOLD : FW_NORMAL);
int it = (pTxt->mStyle == IText::kStyleItalic ? TRUE : FALSE);
int q;
if (pTxt->mQuality == IText::kQualityDefault)
q = DEFAULT_QUALITY;
#ifdef CLEARTYPE_QUALITY
else if (pTxt->mQuality == IText::kQualityClearType)
q = CLEARTYPE_QUALITY;
else if (pTxt->mQuality == IText::kQualityAntiAliased)
#else
else if (pTxt->mQuality != IText::kQualityNonAntiAliased)
#endif
q = ANTIALIASED_QUALITY;
else // if (pTxt->mQuality == IText::kQualityNonAntiAliased)
q = NONANTIALIASED_QUALITY;
#ifdef __APPLE__
bool resized = false;
Resize:
if (h < 2) h = 2;
#endif
HFONT hFont = CreateFont(h, 0, esc, esc, wt, it, FALSE, FALSE, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, q, DEFAULT_PITCH, pTxt->mFont);
if (!hFont)
{
delete(font);
return 0;
}
font->SetFromHFont(hFont, LICE_FONT_FLAG_OWNS_HFONT | LICE_FONT_FLAG_FORCE_NATIVE);
#ifdef __APPLE__
if (!resized && font->GetLineHeight() != h)
{
h = int((double)(h * h) / (double)font->GetLineHeight() + 0.5);
resized = true;
goto Resize;
}
#endif
s_fontCache.Add(font, pTxt);
}
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
}
