void FlushComp(bool eof)
{
while (m_compdatabuf.Available()>=WDL_MEMPROJECTCONTEXT_ZLIB_CHUNKSIZE || eof)
{
if (!m_heapbuf->GetSize()) m_heapbuf->SetGranul(256*1024);
m_compstream.next_in = (unsigned char *)m_compdatabuf.Get();
m_compstream.avail_in = m_compdatabuf.Available();
m_compstream.total_in = 0;
int osz = m_heapbuf->GetSize();
int newsz=osz + wdl_max(m_compstream.avail_in,8192) + 256;
m_compstream.next_out = (unsigned char *)m_heapbuf->Resize(newsz, false) + osz;
if (m_heapbuf->GetSize()!=newsz) return; // ERROR
m_compstream.avail_out = newsz-osz;
m_compstream.total_out=0;
deflate(&m_compstream,eof?Z_SYNC_FLUSH:Z_NO_FLUSH);
m_heapbuf->Resize(osz+m_compstream.total_out,false);
m_compdatabuf.Advance(m_compstream.total_in);
if (m_compstream.avail_out) break; // no need to process anymore
}
m_compdatabuf.Compact();
}
int DrawText(HDC ctx, const char *buf, int buflen, RECT *r, int align)
{
const char *obuf=buf;
HDC__ *ct=(HDC__ *)ctx;
if (!r) return 0;
int lineh = 8;
int charw = 8;
HGDIOBJ__ *font = NULL;
#ifdef SWELL_FREETYPE
int ascent=0;
font = HDC_VALID(ct) && HGDIOBJ_VALID(ct->curfont,TYPE_FONT) ? ct->curfont : SWELL_GetDefaultFont();
FT_Face face = NULL;
if (font && font->fontface)
{
face=(FT_Face)font->fontface;
lineh = face->size->metrics.height/64;
ascent = face->size->metrics.ascender/64;
charw = face->size->metrics.max_advance/64;
}
#endif
if (align&DT_CALCRECT)
{
if (!font && (align&DT_SINGLELINE))
{
r->right = r->left + ( buflen < 0 ? strlen(buf) : buflen ) * charw;
int h = r->right ? lineh:0;
r->bottom = r->top+h;
return h;
}
int xpos=0;
int ypos=0;
r->bottom=r->top;
bool in_prefix=false;
while (buflen && *buf) // if buflen<0, go forever
{
unsigned short c=0;
int charlen = utf8char(buf,&c);
buf+=charlen;
if (buflen > 0)
{
buflen -= charlen;
if (buflen < 0) buflen=0;
}
if (!c) break;
if (c=='&' && !in_prefix && !(align&DT_NOPREFIX))
{
in_prefix = true;
continue;
}
in_prefix=false;
if (c == '\n') { ypos += lineh; xpos=0; }
else if (c != '\r')
{
if (font)
{
#ifdef SWELL_FREETYPE
if (!FT_Load_Char(face, c, FT_LOAD_DEFAULT) && face->glyph)
{
// measure character
FT_GlyphSlot g = face->glyph;
int rext = xpos + (g->metrics.width + g->metrics.horiBearingX)/64;
if (rext<=xpos) rext=xpos + g->metrics.horiAdvance/64;
if (r->left+rext > r->right) r->right = r->left+rext;
xpos += g->metrics.horiAdvance/64;
int bext = r->top + ypos + lineh; // ascent + (g->metrics.height - g->metrics.horiBearingY)/64;
if (bext > r->bottom) r->bottom = bext;
continue;
}
}
#endif
xpos += c=='\t' ? charw*5 : charw;
if (r->top + ypos + lineh > r->bottom) r->bottom = r->top+ypos+lineh;
if (r->left+xpos>r->right) r->right=r->left+xpos;
}
}
return r->bottom-r->top;
}
if (!HDC_VALID(ct)) return 0;
RECT use_r = *r;
use_r.left += ct->surface_offs.x;
use_r.right += ct->surface_offs.x;
use_r.top += ct->surface_offs.y;
use_r.bottom += ct->surface_offs.y;
int xpos = use_r.left;
int ypos = use_r.top;
if (align&(DT_CENTER|DT_VCENTER|DT_RIGHT|DT_BOTTOM))
{
RECT tr={0,};
DrawText(ctx,buf,buflen,&tr,align|DT_CALCRECT);
if (align&DT_CENTER)
xpos -= ((tr.right-tr.left) - (use_r.right-use_r.left))/2;
else if (align&DT_RIGHT)
xpos = use_r.right - (tr.right-tr.left);
if (align&DT_VCENTER)
ypos -= ((tr.bottom-tr.top) - (use_r.bottom-use_r.top))/2;
else if (align&DT_BOTTOM)
ypos = use_r.bottom - (tr.bottom-tr.top);
}
LICE_IBitmap *surface = ct->surface;
int fgcol = ct->cur_text_color_int;
int bgcol = ct->curbkcol;
int bgmode = ct->curbkmode;
int clip_x1=wdl_max(use_r.left,0), clip_y1 = wdl_max(use_r.top,0);
int clip_w=0, clip_h=0;
if (surface)
{
clip_w = wdl_min(use_r.right,surface->getWidth())-clip_x1;
clip_h = wdl_min(use_r.bottom,surface->getHeight())-clip_y1;
if (clip_w<0)clip_w=0;
if (clip_h<0)clip_h=0;
}
LICE_SubBitmap clipbm(surface,clip_x1,clip_y1,clip_w,clip_h);
if (surface && !(align&DT_NOCLIP)) { surface = &clipbm; xpos-=clip_x1; ypos-=clip_y1; }
int left_xpos = xpos,ysize=0,max_xpos=0;
int start_ypos = ypos;
bool in_prefix=false;
while (buflen && *buf)
{
unsigned short c=0;
int charlen = utf8char(buf,&c);
if (buflen>0)
{
buflen -= charlen;
if (buflen<0) buflen=0;
}
buf+=charlen;
bool doUl=in_prefix;
if (c=='&' && !in_prefix && !(align&DT_NOPREFIX))
{
in_prefix = true;
continue;
}
in_prefix=false;
if (c=='\n' && !(align&DT_SINGLELINE)) { xpos=left_xpos; ypos+=lineh; }
else if (c=='\r') {}
else
{
bool needr=true;
if (font)
{
#ifdef SWELL_FREETYPE
if (!FT_Load_Char(face, c, FT_LOAD_RENDER) && face->glyph)
{
FT_GlyphSlot g = face->glyph;
if (bgmode==OPAQUE) LICE_FillRect(surface,xpos,ypos,g->metrics.horiAdvance/64,lineh,bgcol,1.0f,LICE_BLIT_MODE_COPY);
LICE_DrawGlyphEx(surface,xpos+g->bitmap_left,ypos+ascent-g->bitmap_top,fgcol,(LICE_pixel_chan *)g->bitmap.buffer,g->bitmap.width,g->bitmap.pitch,g->bitmap.rows,1.0f,LICE_BLIT_MODE_COPY);
int rext = xpos + (g->metrics.width + g->metrics.horiBearingX)/64;
if (rext<=xpos) rext=xpos + g->metrics.horiAdvance/64;
if (rext > max_xpos) max_xpos=rext;
xpos += g->metrics.horiAdvance/64;
int bext = ypos + lineh; // + (g->metrics.height - g->metrics.horiBearingY)/64;
if (ysize < bext) ysize=bext;
needr=false;
}
#endif
}
if (needr)
{
if (c=='\t')
{
if (bgmode==OPAQUE) LICE_FillRect(surface,xpos,ypos,charw*5,lineh,bgcol,1.0f,LICE_BLIT_MODE_COPY);
xpos+=charw*5;
if (ysize < ypos+lineh) ysize=ypos+lineh;
}
else
{
if (bgmode==OPAQUE) LICE_FillRect(surface,xpos,ypos,charw,lineh,bgcol,1.0f,LICE_BLIT_MODE_COPY);
LICE_DrawChar(surface,xpos,ypos,c,fgcol,1.0f,LICE_BLIT_MODE_COPY);
if (doUl) LICE_Line(surface,xpos,ypos+lineh+1,xpos+charw,ypos+lineh+1,fgcol,1.0f,LICE_BLIT_MODE_COPY,false);
if (ysize < ypos+lineh+(doUl ? 2:1)) ysize=ypos+lineh+(doUl ? 2:1);
xpos+=charw;
}
}
}
if(xpos>max_xpos)max_xpos=xpos;
}
if (surface==&clipbm)
swell_DirtyContext(ct,clip_x1+left_xpos,clip_y1+start_ypos,clip_x1+max_xpos,clip_y1+start_ypos+ysize);
else
swell_DirtyContext(ct,left_xpos,start_ypos,max_xpos,start_ypos+ysize);
return ysize;
}