More work done on ViewDriver - most stuff implemented, but not yet done.

Same for DisplayDriver
Moved Angle to libappserver for DisplayDriver code


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6478 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
DarkWyrm 2004-02-03 00:52:40 +00:00
parent 8dee39bf9a
commit e56432f3cd
4 changed files with 455 additions and 7 deletions

View File

@ -27,6 +27,8 @@
//
//------------------------------------------------------------------------------
#include <Accelerant.h>
#include "Angle.h"
#include "FontFamily.h"
#include <stdio.h>
#include "DisplayDriver.h"
#include "ServerCursor.h"
@ -329,6 +331,365 @@ void DisplayDriver::DrawBitmap(ServerBitmap *bmp, const BRect &src, const BRect
\param d Data structure containing any other data necessary for the call. Always non-NULL.
*/
void DisplayDriver::DrawString(const char *string, const int32 &length, const BPoint &pt, const DrawData *d)
{
if(!string || !d)
return;
Lock();
BPoint point(pt);
point.y--; // because of Be's backward compatibility hack
const ServerFont *font=&(d->font);
FontStyle *style=font->Style();
if(!style)
{
Unlock();
return;
}
FT_Face face;
FT_GlyphSlot slot;
FT_Matrix rmatrix,smatrix;
FT_UInt glyph_index=0, previous=0;
FT_Vector pen,delta,space,nonspace;
int16 error=0;
int32 strlength,i;
Angle rotation(font->Rotation()), shear(font->Shear());
bool antialias=( (font->Size()<18 && font->Flags()& B_DISABLE_ANTIALIASING==0)
|| font->Flags()& B_FORCE_ANTIALIASING)?true:false;
// Originally, I thought to do this shear checking here, but it really should be
// done in BFont::SetShear()
float shearangle=shear.Value();
if(shearangle>135)
shearangle=135;
if(shearangle<45)
shearangle=45;
if(shearangle>90)
shear=90+((180-shearangle)*2);
else
shear=90-(90-shearangle)*2;
error=FT_New_Face(ftlib, style->GetPath(), 0, &face);
if(error)
{
Unlock();
return;
}
slot=face->glyph;
bool use_kerning=FT_HAS_KERNING(face) && font->Spacing()==B_STRING_SPACING;
error=FT_Set_Char_Size(face, 0,int32(font->Size())*64,72,72);
if(error)
{
Unlock();
return;
}
// if we do any transformation, we do a call to FT_Set_Transform() here
// First, rotate
rmatrix.xx = (FT_Fixed)( rotation.Cosine()*0x10000);
rmatrix.xy = (FT_Fixed)(-rotation.Sine()*0x10000);
rmatrix.yx = (FT_Fixed)( rotation.Sine()*0x10000);
rmatrix.yy = (FT_Fixed)( rotation.Cosine()*0x10000);
// Next, shear
smatrix.xx = (FT_Fixed)(0x10000);
smatrix.xy = (FT_Fixed)(-shear.Cosine()*0x10000);
smatrix.yx = (FT_Fixed)(0);
smatrix.yy = (FT_Fixed)(0x10000);
FT_Matrix_Multiply(&rmatrix,&smatrix);
// Set up the increment value for escapement padding
space.x=int32(d->edelta.space * rotation.Cosine()*64);
space.y=int32(d->edelta.space * rotation.Sine()*64);
nonspace.x=int32(d->edelta.nonspace * rotation.Cosine()*64);
nonspace.y=int32(d->edelta.nonspace * rotation.Sine()*64);
// set the pen position in 26.6 cartesian space coordinates
pen.x=(int32)point.x * 64;
pen.y=(int32)point.y * 64;
slot=face->glyph;
strlength=strlen(string);
if(length<strlength)
strlength=length;
for(i=0;i<strlength;i++)
{
FT_Set_Transform(face,&smatrix,&pen);
// Handle escapement padding option
if((uint8)string[i]<=0x20)
{
pen.x+=space.x;
pen.y+=space.y;
}
else
{
pen.x+=nonspace.x;
pen.y+=nonspace.y;
}
// get kerning and move pen
if(use_kerning && previous && glyph_index)
{
FT_Get_Kerning(face, previous, glyph_index,ft_kerning_default, &delta);
pen.x+=delta.x;
pen.y+=delta.y;
}
error=FT_Load_Char(face,string[i],
((antialias)?FT_LOAD_RENDER:FT_LOAD_RENDER | FT_LOAD_MONOCHROME) );
if(!error)
{
if(antialias)
BlitGray2RGB32(&slot->bitmap,
BPoint(slot->bitmap_left,point.y-(slot->bitmap_top-point.y)), d);
else
BlitMono2RGB32(&slot->bitmap,
BPoint(slot->bitmap_left,point.y-(slot->bitmap_top-point.y)), d);
}
// increment pen position
pen.x+=slot->advance.x;
pen.y+=slot->advance.y;
previous=glyph_index;
}
// TODO: implement properly
// calculate the invalid rectangle
BRect r;
r.left=MIN(point.x,pen.x>>6);
r.right=MAX(point.x,pen.x>>6);
r.top=point.y-face->height;
r.bottom=point.y+face->height;
FT_Done_Face(face);
Unlock();
}
void DisplayDriver::BlitMono2RGB32(FT_Bitmap *src, const BPoint &pt, const DrawData *d)
{
/* rgb_color color=d->highcolor.GetColor32();
// pointers to the top left corner of the area to be copied in each bitmap
uint8 *srcbuffer, *destbuffer;
// index pointers which are incremented during the course of the blit
uint8 *srcindex, *destindex, *rowptr, value;
// increment values for the index pointers
int32 srcinc=src->pitch, destinc=framebuffer->BytesPerRow();
int16 i,j,k, srcwidth=src->pitch, srcheight=src->rows;
int32 x=(int32)pt.x,y=(int32)pt.y;
// starting point in source bitmap
srcbuffer=(uint8*)src->buffer;
if(y<0)
{
if(y<pt.y)
y++;
srcbuffer+=srcinc * (0-y);
srcheight-=srcinc;
destbuffer+=destinc * (0-y);
}
if(y+srcheight>framebuffer->Bounds().IntegerHeight())
{
if(y>pt.y)
y--;
srcheight-=(y+srcheight-1)-framebuffer->Bounds().IntegerHeight();
}
if(x+srcwidth>framebuffer->Bounds().IntegerWidth())
{
if(x>pt.x)
x--;
srcwidth-=(x+srcwidth-1)-framebuffer->Bounds().IntegerWidth();
}
if(x<0)
{
if(x<pt.x)
x++;
srcbuffer+=(0-x)>>3;
srcwidth-=0-x;
destbuffer+=(0-x)*4;
}
// starting point in destination bitmap
destbuffer=(uint8*)framebuffer->Bits()+int32( (pt.y*framebuffer->BytesPerRow())+(pt.x*4) );
srcindex=srcbuffer;
destindex=destbuffer;
for(i=0; i<srcheight; i++)
{
rowptr=destindex;
for(j=0;j<srcwidth;j++)
{
for(k=0; k<8; k++)
{
value=*(srcindex+j) & (1 << (7-k));
if(value)
{
rowptr[0]=color.blue;
rowptr[1]=color.green;
rowptr[2]=color.red;
rowptr[3]=color.alpha;
}
rowptr+=4;
}
}
srcindex+=srcinc;
destindex+=destinc;
}
*/
}
void DisplayDriver::BlitGray2RGB32(FT_Bitmap *src, const BPoint &pt, const DrawData *d)
{
/* // pointers to the top left corner of the area to be copied in each bitmap
uint8 *srcbuffer=NULL, *destbuffer=NULL;
// index pointers which are incremented during the course of the blit
uint8 *srcindex=NULL, *destindex=NULL, *rowptr=NULL;
rgb_color highcolor=d->highcolor.GetColor32(), lowcolor=d->lowcolor.GetColor32(); float rstep,gstep,bstep,astep;
rstep=float(highcolor.red-lowcolor.red)/255.0;
gstep=float(highcolor.green-lowcolor.green)/255.0;
bstep=float(highcolor.blue-lowcolor.blue)/255.0;
astep=float(highcolor.alpha-lowcolor.alpha)/255.0;
// increment values for the index pointers
int32 x=(int32)pt.x,
y=(int32)pt.y,
srcinc=src->pitch,
// destinc=dest->BytesPerRow(),
destinc=framebuffer->BytesPerRow(),
srcwidth=src->width,
srcheight=src->rows,
incval=0;
int16 i,j;
// starting point in source bitmap
srcbuffer=(uint8*)src->buffer;
// starting point in destination bitmap
// destbuffer=(uint8*)dest->Bits()+(y*dest->BytesPerRow()+(x*4));
destbuffer=(uint8*)framebuffer->Bits()+(y*framebuffer->BytesPerRow()+(x*4));
if(y<0)
{
if(y<pt.y)
y++;
incval=0-y;
srcbuffer+=incval * srcinc;
srcheight-=incval;
destbuffer+=incval * destinc;
}
if(y+srcheight>framebuffer->Bounds().IntegerHeight())
{
if(y>pt.y)
y--;
srcheight-=(y+srcheight-1)-framebuffer->Bounds().IntegerHeight();
}
if(x+srcwidth>framebuffer->Bounds().IntegerWidth())
{
if(x>pt.x)
x--;
srcwidth-=(x+srcwidth-1)-framebuffer->Bounds().IntegerWidth();
}
if(x<0)
{
if(x<pt.x)
x++;
incval=0-x;
srcbuffer+=incval;
srcwidth-=incval;
destbuffer+=incval*4;
}
int32 value;
srcindex=srcbuffer;
destindex=destbuffer;
for(i=0; i<srcheight; i++)
{
rowptr=destindex;
for(j=0;j<srcwidth;j++)
{
value=*(srcindex+j) ^ 255;
if(value!=255)
{
if(d->draw_mode==B_OP_COPY)
{
rowptr[0]=uint8(highcolor.blue-(value*bstep));
rowptr[1]=uint8(highcolor.green-(value*gstep));
rowptr[2]=uint8(highcolor.red-(value*rstep));
rowptr[3]=255;
}
else
if(d->draw_mode==B_OP_OVER)
{
if(highcolor.alpha>127)
{
rowptr[0]=uint8(highcolor.blue-(value*(float(highcolor.blue-rowptr[0])/255.0)));
rowptr[1]=uint8(highcolor.green-(value*(float(highcolor.green-rowptr[1])/255.0)));
rowptr[2]=uint8(highcolor.red-(value*(float(highcolor.red-rowptr[2])/255.0)));
rowptr[3]=255;
}
}
}
rowptr+=4;
}
srcindex+=srcinc;
destindex+=destinc;
}
*/
}
bool DisplayDriver::AcquireBuffer(FBBitmap *bmp)
{
return false;
}
void DisplayDriver::ReleaseBuffer(void)
{
}
@ -905,12 +1266,10 @@ void DisplayDriver::FillPolygon(BPoint *ptlist, int32 numpts, DisplayDriver* dri
horizontal line, second intersection is end of horizontal line. Continue for
all pairs of intersections. Watch out for horizontal line segments.
*/
Lock();
if ( !ptlist || (numpts < 3) )
{
Unlock();
return;
}
Lock();
BPoint *currentPoint, *nextPoint;
BPoint tempNextPoint;
@ -929,6 +1288,7 @@ void DisplayDriver::FillPolygon(BPoint *ptlist, int32 numpts, DisplayDriver* dri
{
printf("ERROR: Insufficient memory allocated to segment array\n");
delete[] segmentArray;
Unlock();
return;
}
@ -1050,7 +1410,7 @@ void DisplayDriver::FillRegion(BRegion& r, RGBColor &color)
Lock();
for(int32 i=0; i<r.CountRects();i++)
FillRect(r.RectAt(i),color);
FillSolidRect(r.RectAt(i),color);
Unlock();
}

View File

@ -10,6 +10,7 @@ UseFreeTypeHeaders ;
SharedLibrary appserver :
areafunc.c
Angle.cpp
bget.c
BitmapManager.cpp
ColorSet.cpp
@ -35,7 +36,6 @@ LinkSharedOSLibs libappserver.so : root be
Server app_server :
# Misc. Sources
Angle.cpp
CursorData.cpp
FMWList.cpp
PicturePlayer.cpp

View File

@ -891,6 +891,89 @@ void ViewDriver::InvertRect(const BRect &r)
screenwin->Unlock();
}
void ViewDriver::FillSolidRect(const BRect &rect, RGBColor &color)
{
if(!is_initialized)
return;
screenwin->Lock();
framebuffer->Lock();
drawview->SetHighColor(color.GetColor32());
drawview->FillRect(rect);
drawview->Sync();
screenwin->view->Invalidate(rect);
framebuffer->Unlock();
screenwin->Unlock();
}
void ViewDriver::FillPatternRect(const BRect &rect, const DrawData *d)
{
if(!d)
return;
if(!is_initialized)
return;
screenwin->Lock();
framebuffer->Lock();
drawview->SetHighColor(d->highcolor.GetColor32());
drawview->SetLowColor(d->lowcolor.GetColor32());
drawview->FillRect(rect,*((pattern*)d->patt.GetInt8()));
drawview->Sync();
screenwin->view->Invalidate(rect);
framebuffer->Unlock();
screenwin->Unlock();
}
void ViewDriver::StrokePatternLine(const BPoint &start, const BPoint &end, const DrawData *d)
{
if(!d)
return;
if(!is_initialized)
return;
screenwin->Lock();
framebuffer->Lock();
drawview->SetHighColor(d->highcolor.GetColor32());
drawview->SetLowColor(d->lowcolor.GetColor32());
drawview->StrokeLine(start,end,*((pattern*)d->patt.GetInt8()));
drawview->Sync();
screenwin->view->Invalidate(BRect(start,end));
framebuffer->Unlock();
screenwin->Unlock();
}
void ViewDriver::StrokeSolidLine(const BPoint &start, const BPoint &end, RGBColor &color)
{
if(!is_initialized)
return;
screenwin->Lock();
framebuffer->Lock();
drawview->SetHighColor(color.GetColor32());
drawview->StrokeLine(start,end);
drawview->Sync();
screenwin->view->Invalidate(BRect(start,end));
framebuffer->Unlock();
screenwin->Unlock();
}
void ViewDriver::StrokeSolidRect(const BRect &rect, RGBColor &color)
{
if(!is_initialized)
return;
screenwin->Lock();
framebuffer->Lock();
drawview->SetHighColor(color.GetColor32());
drawview->StrokeRect(rect);
drawview->Sync();
screenwin->view->Invalidate(rect);
framebuffer->Unlock();
screenwin->Unlock();
}
void ViewDriver::SetLayerData(LayerData *d, bool set_font_data)
{
if(!is_initialized)
@ -1663,4 +1746,3 @@ status_t ViewDriver::WaitForRetrace(bigtime_t timeout=B_INFINITE_TIMEOUT)
BScreen screen;
return screen.WaitForRetrace(timeout);
}

View File

@ -130,7 +130,13 @@ public:
virtual status_t WaitForRetrace(bigtime_t timeout=B_INFINITE_TIMEOUT);
protected:
void FillSolidRect(const BRect &rect, RGBColor &color);
void FillPatternRect(const BRect &rect, const DrawData *d);
void StrokeSolidRect(const BRect &rect, RGBColor &color);
void StrokeSolidLine(const BPoint &start, const BPoint &end, RGBColor &color);
void SetLayerData(LayerData *d, bool set_font_data=false);
void StrokePatternLine(const BPoint &start, const BPoint &end, const DrawData *d);
void BlitMono2RGB32(FT_Bitmap *src, BPoint pt, LayerData *d);
void BlitGray2RGB32(FT_Bitmap *src, BPoint pt, LayerData *d);
rgb_color GetBlitColor(rgb_color src, rgb_color dest, LayerData *d, bool use_high=true);