{"id":54,"date":"1999-08-28T00:00:00","date_gmt":"1999-08-27T15:00:00","guid":{"rendered":"http:\/\/localhost\/blog\/?p=44"},"modified":"2014-08-14T16:27:51","modified_gmt":"2014-08-14T07:27:51","slug":"directdraw%e3%82%ab%e3%83%a9%e3%83%bc%e3%82%ad%e3%83%bc","status":"publish","type":"post","link":"https:\/\/denasu.com\/blog\/1999\/08\/diary54","title":{"rendered":"DirectDraw\u30ab\u30e9\u30fc\u30ad\u30fc"},"content":{"rendered":"

DirectDraw \u30ab\u30e9\u30fc\u30ad\u30fc\u306b\u3064\u3044\u3066<\/p>\n

DirectDraw \u306e\u30ab\u30e9\u30fc\u30ad\u30fc\u306f\uff0c\u5b9f\u969b\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\uff0cBPP \u306a\u3069\u306b\u5bfe\u5fdc\u3059\u308b\u5024\u3092\u6307\u5b9a\u3057\u3066\u3084\u308b\u5fc5\u8981\u304c\u3042\u308b\u30021 \u756a\u78ba\u5b9f\u306a\u65b9\u6cd5\u306f\u30b5\u30f3\u30d7\u30eb\u306e\u3088\u3046\u306b\uff0c\u30b5\u30fc\u30d5\u30a7\u30b9\u306b GDI \u3067\u63cf\u753b\u3092\u3057\uff0c\u5024\u3092\u8aad\u307f\u51fa\u3059\u3053\u3068\u3002<\/p>\n

\r\nDWORD CDirectDraw::DDColorMatch(LPDIRECTDRAWSURFACE pSurface, COLORREF rgb)\r\n{\r\n    DWORD result;\r\n    COLORREF oldrgb;\r\n\r\n    HDC hdc;\r\n\r\n    \/\/ GDI \u3092\u4f7f\u3063\u3066\u8272\u3092\u7f6e\u304f\r\n    if(rgb != CLR_INVALID && pSurface->GetDC(&hdc) != DD_OK)\r\n    {\r\n        return 0;\r\n    }\r\n\r\n    \/\/ \u524d\u306e\u5024\u3092\u4fdd\u6301\r\n    oldrgb = ::GetPixel(hdc, 0, 0);\r\n\r\n    \/\/ \u8272\u3092\u7f6e\u3044\u3066\u307f\u308b\r\n    ::SetPixel(hdc, 0, 0, rgb);\r\n\r\n    pSurface->ReleaseDC(hdc);\r\n\r\n    \/\/ \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u4f9d\u5b58\u306e\u5024\u3092\u8aad\u307f\u8fbc\u3080\r\n    DDSURFACEDESC ddsd;\r\n    ddsd.dwSize = sizeof(DDSURFACEDESC);\r\n\r\n    HRESULT hres;\r\n    while((hres = pSurface->Lock(NULL, &ddsd, 0, NULL)) == DDERR_WASSTILLDRAWING)\r\n    {\r\n        ;\r\n    }\r\n\r\n    if(hres == DD_OK)\r\n    {\r\n        result = *(DWORD *)ddsd.lpSurface;\r\n\r\n        \/\/ BPP \u306b\u5bfe\u3059\u308b\u4fee\u6b63\r\n        if(ddsd.ddpfPixelFormat.dwRGBBitCount < 32)\r\n        {\r\n            result &= (1 << ddsd.ddpfPixelFormat.dwRGBBitCount) - 1;\r\n        }\r\n\r\n        pSurface->Unlock(NULL);\r\n    }\r\n\r\n    \/\/ \u66f8\u304d\u8fbc\u3093\u3060\u5024\u3092\u5143\u306b\u623b\u3059\r\n    if(rgb != CLR_INVALID && pSurface->GetDC(&hdc) != DD_OK)\r\n    {\r\n        return 0;\r\n    }\r\n\r\n    \/\/ \u8272\u3092\u7f6e\u3044\u3066\u307f\u308b\r\n    ::SetPixel(hdc, 0, 0, oldrgb);\r\n\r\n    pSurface->ReleaseDC(hdc);\r\n\r\n    return result;\r\n}\r\n<\/pre>\n
\n
Direct3D\uff0c\u30e1\u30c3\u30b7\u30e5\u3092\u898b\u3048\u306a\u304f\u3059\u308b\u306b\u306f\uff0cFrame.DeleteVisual \u3059\u308c\u3070\u3088\u3044\u304c\uff0c\u30e1\u30c3\u30b7\u30e5\u306e\u53c2\u7167\u304c\u306a\u304f\u306a\u308a\uff0c\u30e1\u30c3\u30b7\u30e5\u304c\u524a\u9664\u3055\u308c\uff0c\u3082\u3046 1 \u5ea6\u8868\u793a\u3059\u308b\u3068\u304d\u306b\u56f0\u308b\u3002\u3053\u308c\u3092\u9632\u3050\u306b\u306f\u5148\u306b Mesh->AddRef() \u3092\u3057\u3066\u3084\u308c\u3070\u3088\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
DirectDraw \u30ab\u30e9\u30fc\u30ad\u30fc\u306b\u3064\u3044\u3066 DirectDraw \u306e\u30ab\u30e9\u30fc\u30ad\u30fc\u306f\uff0c\u5b9f\u969b\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\uff0cBPP \u306a\u3069\u306b\u5bfe\u5fdc\u3059\u308b\u5024\u3092\u6307\u5b9a\u3057\u3066\u3084\u308b\u5fc5\u8981\u304c\u3042\u308b\u30021 \u756a\u78ba\u5b9f\u306a\u65b9\u6cd5\u306f\u30b5\u30f3\u30d7\u30eb\u306e\u3088\u3046\u306b\uff0c\u30b5\u30fc\u30d5\u30a7\u30b9\u306b GDI \u3067\u63cf\u753b\u3092\u3057\uff0c\u5024\u3092\u8aad\u307f\u51fa\u3059\u3053\u3068\u3002 DWORD CDirectDraw::DDColorMatch(LPDIRECTDRAWSURFACE pSurface, COLORREF rgb) { DWORD result; COLORREF oldrgb; HDC hdc; \/\/ GDI \u3092\u4f7f\u3063\u3066\u8272\u3092\u7f6e\u304f if(rgb != CLR_INVALID && pSurface->GetDC(&hdc) != DD_OK) { return 0; } \/\/ \u524d\u306e\u5024\u3092\u4fdd\u6301 oldrgb = ::GetPixel(hdc, 0, 0); \/\/ \u8272\u3092\u7f6e\u3044\u3066\u307f\u308b ::SetPixel(hdc, 0, 0, rgb); pSurface->ReleaseDC(hdc); \/\/ \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u4f9d\u5b58\u306e\u5024\u3092\u8aad\u307f\u8fbc\u3080 DDSURFACEDESC ddsd; ddsd.dwSize = sizeof(DDSURFACEDESC); […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[27],"class_list":["post-54","post","type-post","status-publish","format-standard","hentry","category-programming","tag-directx"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4ZThs-S","_links":{"self":[{"href":"https:\/\/denasu.com\/blog\/wp-json\/wp\/v2\/posts\/54","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/denasu.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/denasu.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/denasu.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/denasu.com\/blog\/wp-json\/wp\/v2\/comments?post=54"}],"version-history":[{"count":3,"href":"https:\/\/denasu.com\/blog\/wp-json\/wp\/v2\/posts\/54\/revisions"}],"predecessor-version":[{"id":2559,"href":"https:\/\/denasu.com\/blog\/wp-json\/wp\/v2\/posts\/54\/revisions\/2559"}],"wp:attachment":[{"href":"https:\/\/denasu.com\/blog\/wp-json\/wp\/v2\/media?parent=54"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/denasu.com\/blog\/wp-json\/wp\/v2\/categories?post=54"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/denasu.com\/blog\/wp-json\/wp\/v2\/tags?post=54"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}