本文整理汇总了C++中Bitmap::HasAlpha方法的典型用法代码示例。如果您正苦于以下问题：C++ Bitmap::HasAlpha方法的具体用法？C++ Bitmap::HasAlpha怎么用？C++ Bitmap::HasAlpha使用的例子？那么, 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Bitmap的用法示例。
在下文中一共展示了Bitmap::HasAlpha方法的1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: IOException
P(GmMaterial) GmUtil::createGmMaterial( Mtl* material, Mtl* bakedmaterial )
{
require( material );
P(GmMaterial) s = new GmMaterial;
// get name
static int unnamedCount = 0;
if ( material->GetName().data() )
s->name = material->GetName().data();
else
s->name = "noname #"+String::valueOf( ++unnamedCount );
// Standard material (+Diffuse) (+ Reflection)
if ( material->ClassID() == Class_ID(DMTL_CLASS_ID,0) )
{
StdMat* stdmat = static_cast<StdMat*>(material);
StdMat* bakedmat = static_cast<StdMat*>(bakedmaterial);
// StdMat2?
StdMat2* stdmat2 = 0;
if ( stdmat->SupportsShaders() )
stdmat2 = static_cast<StdMat2*>( stdmat );
// uniform transparency
s->opacity = stdmat->GetOpacity(0);
// self illumination
s->selfIllum = stdmat->GetSelfIllum(0);
// two-sided material?
s->twosided = ( 0 != stdmat->GetTwoSided() );
// blending mode
s->blend = GmMaterial::BLEND_COPY;
if ( s->opacity < 1.f )
s->blend = GmMaterial::BLEND_MULTIPLY;
if ( stdmat->GetTransparencyType() == TRANSP_ADDITIVE )
s->blend = GmMaterial::BLEND_ADD;
// diffuse color
s->diffuseColor = toColorf( stdmat->GetDiffuse(0) );
// specular highlights
float shinStr = stdmat->GetShinStr(0);
s->specular = (shinStr > 0.f);
if ( s->specular )
{
float shininess = stdmat->GetShininess(0);
s->specularExponent = Math::pow( 2.f, shininess*10.f + 2.f );
s->specularColor = toColorf( stdmat->GetSpecular(0) ) * shinStr;
}
if ( bakedmat )
{
shinStr = bakedmat->GetShinStr(0);
s->specular = (shinStr > 0.f);
if ( s->specular )
{
float shininess = bakedmat->GetShininess(0);
s->specularExponent = Math::pow( 2.f, shininess*10.f + 2.f );
s->specularColor = toColorf( bakedmat->GetSpecular(0) ) * shinStr;
}
}
// diffuse texture layer
BitmapTex* tex = SceneExportUtil::getStdMatBitmapTex( stdmat, ID_DI );
if ( tex )
{
GmMaterial::TextureLayer& layer = s->diffuseLayer;
setLayerTex( layer, tex, s->name );
}
// opacity texture layer
tex = SceneExportUtil::getStdMatBitmapTex( stdmat, ID_OP );
if ( tex )
{
GmMaterial::TextureLayer& layer = s->opacityLayer;
setLayerTex( layer, tex, s->name );
// check alpha channel validity
Bitmap* bmp = tex->GetBitmap(0);
if ( bmp && !bmp->HasAlpha() )
Debug::printlnError( "Material \"{0}\" opacity map \"{1}\" must have image alpha channel.", s->name, tex->GetMapName() );
//throw IOException( Format("Material \"{0}\" opacity map \"{1}\" must have image alpha channel.", s->name, tex->GetMapName()) );
s->blend = GmMaterial::BLEND_MULTIPLY;
// check that opacity map is the same as diffuse map
if ( s->opacityLayer.filename != s->diffuseLayer.filename )
throw IOException( Format("Material \"{0}\" diffuse bitmap needs to be the same in opacity map.(diffuse map is \"{1}\" and opacity map is \"{2}\")", s->name, s->diffuseLayer.filename, s->opacityLayer.filename) );
if ( s->opacityLayer.coordset != s->diffuseLayer.coordset )
throw IOException( Format("Material \"{0}\" diffuse map texture coordinate set needs to be the same in opacity map.", s->name) );
if ( s->opacityLayer.env != s->diffuseLayer.env )
throw IOException( Format("Material \"{0}\" diffuse map texture coordinate generator needs to be the same in opacity map.", s->name) );
}
// reflection texture layer
tex = SceneExportUtil::getStdMatBitmapTex( stdmat, ID_RL );
if ( tex )
{
GmMaterial::TextureLayer& layer = s->reflectionLayer;
//.........这里部分代码省略.........