diff options
Diffstat (limited to 'Src/Wasabi/api/imgldr/imggen/solid.cpp')
-rw-r--r-- | Src/Wasabi/api/imgldr/imggen/solid.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/Src/Wasabi/api/imgldr/imggen/solid.cpp b/Src/Wasabi/api/imgldr/imggen/solid.cpp new file mode 100644 index 00000000..7f461eaa --- /dev/null +++ b/Src/Wasabi/api/imgldr/imggen/solid.cpp @@ -0,0 +1,67 @@ +#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; +} |