sk_sp<SkShader> SkImageShader::Make(const SkImage* image, TileMode tx, TileMode ty,
const SkMatrix* localMatrix,
SkTBlitterAllocator* allocator) {
SkShader* shader;
SkColor color;
if (!image || bitmap_is_too_big(image->width(), image->height())) {
if (nullptr == allocator) {
shader = new SkEmptyShader;
} else {
shader = allocator->createT<SkEmptyShader>();
}
} else if (can_use_color_shader(image, &color)) {
if (nullptr == allocator) {
shader = new SkColorShader(color);
} else {
shader = allocator->createT<SkColorShader>(color);
}
} else {
if (nullptr == allocator) {
shader = new SkImageShader(image, tx, ty, localMatrix);
} else {
shader = allocator->createT<SkImageShader>(image, tx, ty, localMatrix);
}
}
return sk_sp<SkShader>(shader);
}
sk_sp<SkShader> SkMakeBitmapShader(const SkBitmap& src, SkShader::TileMode tmx,
SkShader::TileMode tmy, const SkMatrix* localMatrix,
SkTBlitterAllocator* allocator) {
SkShader* shader;
SkColor color;
if (src.isNull() || bitmap_is_too_big(src)) {
if (nullptr == allocator) {
shader = new SkEmptyShader;
} else {
shader = allocator->createT<SkEmptyShader>();
}
} else if (can_use_color_shader(src, &color)) {
if (nullptr == allocator) {
shader = new SkColorShader(color);
} else {
shader = allocator->createT<SkColorShader>(color);
}
} else {
if (nullptr == allocator) {
shader = new SkBitmapProcShader(src, tmx, tmy, localMatrix);
} else {
shader = allocator->createT<SkBitmapProcShader>(src, tmx, tmy, localMatrix);
}
}
return sk_sp<SkShader>(shader);
}
SkShader* SkCreateBitmapShader(const SkBitmap& src, SkShader::TileMode tmx,
SkShader::TileMode tmy, const SkMatrix* localMatrix,
SkTBlitterAllocator* allocator) {
SkShader* shader;
SkColor color;
if (src.isNull() || bitmap_is_too_big(src)) {
if (NULL == allocator) {
shader = SkNEW(SkEmptyShader);
} else {
shader = allocator->createT<SkEmptyShader>();
}
} else if (can_use_color_shader(src, &color)) {
if (NULL == allocator) {
shader = SkNEW_ARGS(SkColorShader, (color));
} else {
shader = allocator->createT<SkColorShader>(color);
}
} else {
if (NULL == allocator) {
shader = SkNEW_ARGS(SkBitmapProcShader, (src, tmx, tmy, localMatrix));
} else {
shader = allocator->createT<SkBitmapProcShader>(src, tmx, tmy, localMatrix);
}
}
return shader;
}
