public void DrawString(GLRenderVxFormattedString renderVx, double x, double y)
{
_pcx.LoadTexture(_glBmp);
_pcx.FontFillColor = _painter.FontFillColor;
DrawingGL.GLRenderVxFormattedString renderVxString1 = (DrawingGL.GLRenderVxFormattedString)renderVx;
DrawingGL.VertexBufferObject vbo = renderVxString1.GetVbo();
vbo.Bind();
_pcx.DrawGlyphImageWithSubPixelRenderingTechnique4_FromLoadedVBO(renderVxString1.IndexArrayCount, (float)x, (float)y);
vbo.UnBind();
}
public void DrawString(RenderVxFormattedString renderVx, double x, double y)
{
_glsx.LoadTexture1(_glBmp);
_glsx.FontFillColor = painter.FontFillColor;
DrawingGL.GLRenderVxFormattedString renderVxString1 = (DrawingGL.GLRenderVxFormattedString)renderVx;
DrawingGL.VertexBufferObject2 vbo = renderVxString1.GetVbo();
vbo.Bind();
_glsx.DrawGlyphImageWithSubPixelRenderingTechnique4(renderVxString1.VertexCount, (float)x, (float)y);
vbo.UnBind();
}
public override void DrawRenderVx(RenderVx renderVx, float x, float y)
{
if (renderVx is DrawingGL.GLRenderVxFormattedString)
{
DrawingGL.GLRenderVxFormattedString formattedString = (DrawingGL.GLRenderVxFormattedString)renderVx;
var prevColor = painter1.FillColor;
painter1.FillColor = PixelFarm.Drawing.Color.Black;
painter1.TextPrinter.DrawString(formattedString, x, this.Height - y);
painter1.FillColor = prevColor;
}
}
public override RenderVxFormattedString CreateFormattedString(char[] buffer, int startAt, int len)
{
char[] copy = new char[len];
System.Array.Copy(buffer, startAt, copy, 0, len);
var renderVxFmtStr = new DrawingGL.GLRenderVxFormattedString(copy);
if (painter1.TextPrinter != null)
{
painter1.TextPrinter.PrepareStringForRenderVx(renderVxFmtStr, buffer, 0, buffer.Length);
}
return(renderVxFmtStr);
}
public void PrepareStringForRenderVx(RenderVxFormattedString renderVx, char[] buffer, int startAt, int len)
{
int j = buffer.Length;
//create temp buffer span that describe the part of a whole char buffer
TextBufferSpan textBufferSpan = new TextBufferSpan(buffer, startAt, len);
//ask text service to parse user input char buffer and create a glyph-plan-sequence (list of glyph-plan)
//with specific request font
GlyphPlanSequence glyphPlanSeq = _textServices.CreateGlyphPlanSeq(ref textBufferSpan, font);
float scale = _fontAtlas.TargetTextureScale;
int recommendLineSpacing = _fontAtlas.OriginalRecommendLineSpacing;
//--------------------------
//TODO:
//if (x,y) is left top
//we need to adjust y again
float x = 0;
float y = 0;
y -= ((recommendLineSpacing) * scale);
renderVx.RecommmendLineSpacing = (int)(recommendLineSpacing * scale);
//
float scaleFromTexture = _finalTextureScale;
TextureKind textureKind = _fontAtlas.TextureKind;
//--------------------------
//TODO: review render steps
//NOTE:
// -glyphData.TextureXOffset => restore to original pos
// -glyphData.TextureYOffset => restore to original pos
// ideal_x = (float)(x + (glyph.x * scale - glyphData.TextureXOffset) * scaleFromTexture);
// ideal_y = (float)(y + (glyph.y * scale - glyphData.TextureYOffset + srcRect.Height) * scaleFromTexture);
//--------------------------
float g_x = 0;
float g_y = 0;
int baseY = (int)Math.Round(y);
int n = glyphPlanSeq.len;
int endBefore = glyphPlanSeq.startAt + n;
//***
_glsx.SetAssociatedTextureInfo(_glBmp);
//
vboBufferList2.Clear();
indexList2.Clear();
float acc_x = 0;
float acc_y = 0;
for (int i = glyphPlanSeq.startAt; i < endBefore; ++i)
{
UnscaledGlyphPlanList glyphPlanList = GlyphPlanSequence.UnsafeGetInteralGlyphPlanList(glyphPlanSeq);
UnscaledGlyphPlan glyph = glyphPlanList[i];
Typography.Rendering.TextureFontGlyphData glyphData;
if (!_fontAtlas.TryGetGlyphDataByGlyphIndex(glyph.glyphIndex, out glyphData))
{
//if no glyph data, we should render a missing glyph ***
continue;
}
//--------------------------------------
//TODO: review precise height in float
//--------------------------------------
PixelFarm.Drawing.Rectangle srcRect = ConvToRect(glyphData.Rect);
float ngx = acc_x + (float)Math.Round(glyph.OffsetX * scale);
float ngy = acc_y + (float)Math.Round(glyph.OffsetY * scale);
//NOTE:
// -glyphData.TextureXOffset => restore to original pos
// -glyphData.TextureYOffset => restore to original pos
//--------------------------
g_x = (float)(x + (ngx - glyphData.TextureXOffset) * scaleFromTexture); //ideal x
g_y = (float)(y + (ngy - glyphData.TextureYOffset + srcRect.Height) * scaleFromTexture);
acc_x += (float)Math.Round(glyph.AdvanceX * scale);
//g_x = (float)Math.Round(g_x);
g_y = (float)Math.Floor(g_y);
switch (textureKind)
{
case TextureKind.Msdf:
_glsx.DrawSubImageWithMsdf(_glBmp,
ref srcRect,
g_x,
g_y,
scaleFromTexture);
break;
case TextureKind.StencilGreyScale:
//stencil gray scale with fill-color
_glsx.DrawGlyphImageWithStecil(_glBmp,
ref srcRect,
g_x,
g_y,
scaleFromTexture);
break;
case TextureKind.Bitmap:
_glsx.DrawSubImage(_glBmp,
ref srcRect,
g_x,
g_y,
scaleFromTexture);
break;
case TextureKind.StencilLcdEffect:
_glsx.WriteVboToList(
vboBufferList2,
indexList2,
ref srcRect,
g_x,
g_y,
scaleFromTexture);
break;
}
}
//---------
DrawingGL.GLRenderVxFormattedString renderVxFormattedString = (DrawingGL.GLRenderVxFormattedString)renderVx;
renderVxFormattedString.IndexArray = indexList2.ToArray();
renderVxFormattedString.VertexCoords = vboBufferList2.ToArray();
renderVxFormattedString.VertexCount = indexList2.Count;
}
