public override void DrawFromGlyphPlans(GlyphPlanList glyphPlanList, int startAt, int len, float x, float y)
{
Painter painter = this.TargetCanvasPainter;
if (StartDrawOnLeftTop)
{
//version 2
//offset y down
y += this.FontLineSpacingPx;
}
//Typeface typeface = _glyphPathBuilder.Typeface;
//3. layout glyphs with selected layout technique
//TODO: review this again, we should use pixel?
float fontSizePoint = this.FontSizeInPoints;
float scale = _currentTypeface.CalculateScaleToPixelFromPointSize(fontSizePoint);
//4. render each glyph
float ox = painter.OriginX;
float oy = painter.OriginY;
int endBefore = startAt + len;
Typography.OpenFont.Tables.COLR colrTable = _currentTypeface.COLRTable;
Typography.OpenFont.Tables.CPAL cpalTable = _currentTypeface.CPALTable;
bool hasColorGlyphs = (colrTable != null) && (cpalTable != null);
//---------------------------------------------------
_glyphMeshStore.SetFont(_currentTypeface, fontSizePoint);
//---------------------------------------------------
float g_x = 0;
float g_y = 0;
float baseY = (int)y;
if (!hasColorGlyphs)
{
bool savedUseLcdMode = painter.UseSubPixelLcdEffect; //save,restore later
RenderQualtity savedRederQuality = painter.RenderQuality;
painter.RenderQuality = RenderQualtity.HighQuality;
painter.UseSubPixelLcdEffect = true;
for (int i = startAt; i < endBefore; ++i)
{ //-----------------------------------
//TODO: review here ***
//PERFORMANCE revisit here
//if we have create a vxs we can cache it for later use?
//-----------------------------------
GlyphPlan glyphPlan = glyphPlanList[i];
g_x = glyphPlan.ExactX + x;
g_y = glyphPlan.ExactY + y;
painter.SetOrigin(g_x, g_y);
//-----------------------------------
//invert each glyph
//version 3:
painter.Fill(_glyphMeshStore.GetGlyphMesh(glyphPlan.glyphIndex));
//version2;
//VertexStore vsx = _glyphMeshStore.GetGlyphMesh(glyphPlan.glyphIndex);
//_vxs1 = _invertY.TransformToVxs(vsx, _vxs1);
//painter.Fill(_vxs1);
//_vxs1.Clear();
//version1
//painter.Fill(_glyphMeshStore.GetGlyphMesh(glyphPlan.glyphIndex));
}
//restore
painter.RenderQuality = savedRederQuality;
painter.UseSubPixelLcdEffect = savedUseLcdMode;
}
else
{
//-------------
//this glyph has color information
//-------------
Color originalFillColor = painter.FillColor;
for (int i = startAt; i < endBefore; ++i)
{
GlyphPlan glyphPlan = glyphPlanList[i];
g_x = glyphPlan.ExactX + x;
g_y = glyphPlan.ExactY + y;
painter.SetOrigin(g_x, g_y);
//-----------------------------------
ushort colorLayerStart;
if (colrTable.LayerIndices.TryGetValue(glyphPlan.glyphIndex, out colorLayerStart))
{
//TODO: optimize this
//we found color info for this glyph
ushort colorLayerCount = colrTable.LayerCounts[glyphPlan.glyphIndex];
byte r, g, b, a;
for (int c = colorLayerStart; c < colorLayerStart + colorLayerCount; ++c)
{
ushort gIndex = colrTable.GlyphLayers[c];
int palette = 0; // FIXME: assume palette 0 for now
cpalTable.GetColor(
cpalTable.Palettes[palette] + colrTable.GlyphPalettes[c], //index
out r, out g, out b, out a);
//-----------
painter.FillColor = new Color(r, g, b);//? a component
painter.Fill(_glyphMeshStore.GetGlyphMesh(gIndex));
}
}
else
{
//-----------------------------------
//TODO: review here ***
//PERFORMANCE revisit here
//if we have create a vxs we can cache it for later use?
//-----------------------------------
painter.Fill(_glyphMeshStore.GetGlyphMesh(glyphPlan.glyphIndex));
}
}
painter.FillColor = originalFillColor; //restore color
}
//restore prev origin
painter.SetOrigin(ox, oy);
}
public override void DrawFromGlyphPlans(GlyphPlanSequence seq, int startAt, int len, float x, float y)
{
if (StartDrawOnLeftTop)
{
//version 2
//offset y down
y += this.FontLineSpacingPx;
}
float fontSizePoint = this.FontSizeInPoints;
float scale = _currentTypeface.CalculateScaleToPixelFromPointSize(fontSizePoint);
//4. render each glyph
float ox = _painter.OriginX;
float oy = _painter.OriginY;
Typography.OpenFont.Tables.COLR colrTable = _currentTypeface.COLRTable;
Typography.OpenFont.Tables.CPAL cpalTable = _currentTypeface.CPALTable;
bool hasColorGlyphs = (colrTable != null) && (cpalTable != null);
//---------------------------------------------------
_glyphMeshStore.SetHintTechnique(this.HintTechnique);
_glyphMeshStore.SetFont(_currentTypeface, fontSizePoint);
_glyphMeshStore.SimulateOblique = this.SimulateSlant;
//---------------------------------------------------
#if DEBUG
if (_currentTypeface.HasSvgTable())
{
}
#endif
if (!hasColorGlyphs)
{
bool savedUseLcdMode = _painter.UseSubPixelLcdEffect; //save,restore later
RenderQualtity savedRederQuality = _painter.RenderQuality;
_painter.RenderQuality = RenderQualtity.HighQuality;
_painter.UseSubPixelLcdEffect = true;
int seqLen = seq.Count;
if (len > seqLen)
{
len = seqLen;
}
var snapToPx = new GlyphPlanSequenceSnapPixelScaleLayout(seq, startAt, len, scale);
while (snapToPx.Read())
{
_painter.SetOrigin((float)Math.Round(x + snapToPx.ExactX) + 0.33f, (float)Math.Floor(y + snapToPx.ExactY));
_painter.Fill(_glyphMeshStore.GetGlyphMesh(snapToPx.CurrentGlyphIndex));
}
//restore
_painter.RenderQuality = savedRederQuality;
_painter.UseSubPixelLcdEffect = savedUseLcdMode;
}
else
{
//-------------
//this glyph has color information
//-------------
Color originalFillColor = _painter.FillColor;
int seqLen = seq.Count;
if (len > seqLen)
{
len = seqLen;
}
var snapToPx = new GlyphPlanSequenceSnapPixelScaleLayout(seq, startAt, len, scale);
while (snapToPx.Read())
{
_painter.SetOrigin((float)Math.Round(x + snapToPx.ExactX), (float)Math.Floor(y + snapToPx.ExactY));
ushort colorLayerStart;
if (colrTable.LayerIndices.TryGetValue(snapToPx.CurrentGlyphIndex, out colorLayerStart))
{
//TODO: optimize this
//we found color info for this glyph
ushort colorLayerCount = colrTable.LayerCounts[snapToPx.CurrentGlyphIndex];
byte r, g, b, a;
for (int c = colorLayerStart; c < colorLayerStart + colorLayerCount; ++c)
{
ushort gIndex = colrTable.GlyphLayers[c];
int palette = 0; // FIXME: assume palette 0 for now
cpalTable.GetColor(
cpalTable.Palettes[palette] + colrTable.GlyphPalettes[c], //index
out r, out g, out b, out a);
//-----------
_painter.FillColor = new Color(r, g, b);//? a component
_painter.Fill(_glyphMeshStore.GetGlyphMesh(gIndex));
}
}
else
{
//-----------------------------------
//TODO: review here ***
//PERFORMANCE revisit here
//if we have create a vxs we can cache it for later use?
//-----------------------------------
_painter.Fill(_glyphMeshStore.GetGlyphMesh(snapToPx.CurrentGlyphIndex));
}
}
_painter.FillColor = originalFillColor; //restore color
}
//restore prev origin
_painter.SetOrigin(ox, oy);
}
