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#include "precomp.h"
#include "solid.h"
#include <api/xml/xmlparams.h>
#include <api/memmgr/api_memmgr.h>
#ifndef _WASABIRUNTIME
BEGIN_SERVICES(SolidGen_Svc);
DECLARE_SERVICETSINGLE(svc_imageGenerator, SolidImage);
END_SERVICES(SolidGen_Svc, _SolidGen_Svc);
#ifdef _X86_
extern "C" { int _link_SolidGen_Svc; }
#else
extern "C" { int __link_SolidGen_Svc; }
#endif
#endif
int SolidImage::testDesc(const wchar_t *desc)
{
return !WCSICMP(desc, L"$solid");
}
void premultiply(ARGB32 *m_pBits, int nwords)
{
for (; nwords > 0; nwords--, m_pBits++)
{
unsigned __int8 *pixel = (unsigned __int8 *)m_pBits;
unsigned int alpha = pixel[3];
if (alpha == 255) continue;
pixel[0] = (pixel[0] * alpha) >> 8; // blue
pixel[1] = (pixel[1] * alpha) >> 8; // green
pixel[2] = (pixel[2] * alpha) >> 8; // red
}
}
ARGB32 *SolidImage::genImage(const wchar_t *desc, int *has_alpha, int *w, int *h, ifc_xmlreaderparams *params)
{
int _w = params->getItemValueInt(L"w", 1);
if (_w == 0) _w = 1;
int _h = params->getItemValueInt(L"h", 1);
if (_h == 0) _h = 1;
if (_w <= 0 || _h <= 0) return NULL;
ARGB32 color = _byteswap_ulong(WASABI_API_SKIN->parse(params->getItemValue(L"color"), L"color") << 8);
unsigned int alpha = params->getItemValueInt(L"alpha", 255);
color |= ((alpha & 0xff) << 24);
premultiply(&color, 1);
#ifdef WASABI_COMPILE_MEMMGR
ARGB32 *ret = (ARGB32*)WASABI_API_MEMMGR->sysMalloc(_w * _h * sizeof(ARGB32));
#else
ARGB32 *ret = (ARGB32*)MALLOC(_w * _h * sizeof(ARGB32));
#endif
MEMFILL<ARGB32>(ret, color, _w * _h);
*w = _w;
*h = _h;
*has_alpha = (alpha == 255) ? 0 : 1;
return ret;
}
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