本文整理汇总了C#中IImageByte.blend_color_hspan方法的典型用法代码示例。如果您正苦于以下问题：C# IImageByte.blend_color_hspan方法的具体用法？C# IImageByte.blend_color_hspan怎么用？C# IImageByte.blend_color_hspan使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IImageByte的用法示例。
在下文中一共展示了IImageByte.blend_color_hspan方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: RenderCompound
public void RenderCompound(rasterizer_compound_aa ras, IScanlineCache sl_aa, IScanlineCache sl_bin, IImageByte imageFormat, span_allocator alloc, IStyleHandler sh)
{
#if false
unsafe
{
if (ras.rewind_scanlines())
{
int min_x = ras.min_x();
int len = ras.max_x() - min_x + 2;
sl_aa.reset(min_x, ras.max_x());
sl_bin.reset(min_x, ras.max_x());
//typedef typename BaseRenderer::color_type color_type;
ArrayPOD<RGBA_Bytes> color_span = alloc.allocate((int)len * 2);
byte[] ManagedCoversArray = sl_aa.GetCovers();
fixed (byte* pCovers = ManagedCoversArray)
{
fixed (RGBA_Bytes* pColorSpan = color_span.Array)
{
int mix_bufferOffset = len;
int num_spans;
int num_styles;
int style;
bool solid;
while ((num_styles = ras.sweep_styles()) > 0)
{
if (num_styles == 1)
{
// Optimization for a single style. Happens often
//-------------------------
if (ras.sweep_scanline(sl_aa, 0))
{
style = ras.style(0);
if (sh.is_solid(style))
{
// Just solid fill
//-----------------------
RenderSolidSingleScanLine(imageFormat, sl_aa, sh.color(style));
}
else
{
// Arbitrary span generator
//-----------------------
ScanlineSpan span_aa = sl_aa.Begin();
num_spans = sl_aa.num_spans();
for (; ; )
{
len = span_aa.len;
sh.generate_span(pColorSpan,
span_aa.x,
sl_aa.y(),
(int)len,
style);
imageFormat.blend_color_hspan(span_aa.x,
sl_aa.y(),
(int)span_aa.len,
pColorSpan,
&pCovers[span_aa.cover_index], 0);
if (--num_spans == 0) break;
span_aa = sl_aa.GetNextScanlineSpan();
}
}
}
}
else // there are multiple styles
{
if (ras.sweep_scanline(sl_bin, -1))
{
// Clear the spans of the mix_buffer
//--------------------
ScanlineSpan span_bin = sl_bin.Begin();
num_spans = sl_bin.num_spans();
for (; ; )
{
agg_basics.MemClear((byte*)&pColorSpan[mix_bufferOffset + span_bin.x - min_x],
span_bin.len * sizeof(RGBA_Bytes));
if (--num_spans == 0) break;
span_bin = sl_bin.GetNextScanlineSpan();
}
for (int i = 0; i < num_styles; i++)
{
style = ras.style(i);
solid = sh.is_solid(style);
if (ras.sweep_scanline(sl_aa, (int)i))
{
//IColorType* colors;
//IColorType* cspan;
//typename ScanlineAA::cover_type* covers;
ScanlineSpan span_aa = sl_aa.Begin();
num_spans = sl_aa.num_spans();
if (solid)
{
// Just solid fill
//-----------------------
for (; ; )
//.........这里部分代码省略.........
示例2: GenerateAndRenderSingleScanline
private void GenerateAndRenderSingleScanline(IScanlineCache scanLineCache, IImageByte destImage, span_allocator alloc, ISpanGenerator span_gen)
{
int y = scanLineCache.y();
int num_spans = scanLineCache.num_spans();
ScanlineSpan scanlineSpan = scanLineCache.begin();
byte[] ManagedCoversArray = scanLineCache.GetCovers();
for (; ; )
{
int x = scanlineSpan.x;
int len = scanlineSpan.len;
if (len < 0) len = -len;
if (tempSpanColors.Capacity() < len)
{
tempSpanColors.Capacity(len);
}
span_gen.generate(tempSpanColors.Array, 0, x, y, len);
bool useFirstCoverForAll = scanlineSpan.len < 0;
destImage.blend_color_hspan(x, y, len, tempSpanColors.Array, 0, ManagedCoversArray, scanlineSpan.cover_index, useFirstCoverForAll);
if (--num_spans == 0) break;
scanlineSpan = scanLineCache.GetNextScanlineSpan();
}
}