/** * FreeRDP: A Remote Desktop Protocol Implementation * GDI Library * * Copyright 2010-2011 Marc-Andre Moreau * Copyright 2016 Armin Novak * Copyright 2016 Thincast Technologies GmbH * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include "drawing.h" #include "clipping.h" #include "brush.h" #include "line.h" #include "gdi.h" #include "../core/graphics.h" #define TAG FREERDP_TAG("gdi") /* Ternary Raster Operation Table */ typedef struct { DWORD code; const char* name; } rop_table_entry; static const rop_table_entry rop3_code_table[] = { { GDI_BLACKNESS, "0" }, { GDI_DPSoon, "DPSoon" }, { GDI_DPSona, "DPSona" }, { GDI_PSon, "PSon" }, { GDI_SDPona, "SDPona" }, { GDI_DPon, "DPon" }, { GDI_PDSxnon, "PDSxnon" }, { GDI_PDSaon, "PDSaon" }, { GDI_SDPnaa, "SDPnaa" }, { GDI_PDSxon, "PDSxon" }, { GDI_DPna, "DPna" }, { GDI_PSDnaon, "PSDnaon" }, { GDI_SPna, "SPna" }, { GDI_PDSnaon, "PDSnaon" }, { GDI_PDSonon, "PDSonon" }, { GDI_Pn, "Pn" }, { GDI_PDSona, "PDSona" }, { GDI_NOTSRCERASE, "DSon" }, { GDI_SDPxnon, "SDPxnon" }, { GDI_SDPaon, "SDPaon" }, { GDI_DPSxnon, "DPSxnon" }, { GDI_DPSaon, "DPSaon" }, { GDI_PSDPSanaxx, "PSDPSanaxx" }, { GDI_SSPxDSxaxn, "SSPxDSxaxn" }, { GDI_SPxPDxa, "SPxPDxa" }, { GDI_SDPSanaxn, "SDPSanaxn" }, { GDI_PDSPaox, "PDSPaox" }, { GDI_SDPSxaxn, "SDPSxaxn" }, { GDI_PSDPaox, "PSDPaox" }, { GDI_DSPDxaxn, "DSPDxaxn" }, { GDI_PDSox, "PDSox" }, { GDI_PDSoan, "PDSoan" }, { GDI_DPSnaa, "DPSnaa" }, { GDI_SDPxon, "SDPxon" }, { GDI_DSna, "DSna" }, { GDI_SPDnaon, "SPDnaon" }, { GDI_SPxDSxa, "SPxDSxa" }, { GDI_PDSPanaxn, "PDSPanaxn" }, { GDI_SDPSaox, "SDPSaox" }, { GDI_SDPSxnox, "SDPSxnox" }, { GDI_DPSxa, "DPSxa" }, { GDI_PSDPSaoxxn, "PSDPSaoxxn" }, { GDI_DPSana, "DPSana" }, { GDI_SSPxPDxaxn, "SSPxPDxaxn" }, { GDI_SPDSoax, "SPDSoax" }, { GDI_PSDnox, "PSDnox" }, { GDI_PSDPxox, "PSDPxox" }, { GDI_PSDnoan, "PSDnoan" }, { GDI_PSna, "PSna" }, { GDI_SDPnaon, "SDPnaon" }, { GDI_SDPSoox, "SDPSoox" }, { GDI_NOTSRCCOPY, "Sn" }, { GDI_SPDSaox, "SPDSaox" }, { GDI_SPDSxnox, "SPDSxnox" }, { GDI_SDPox, "SDPox" }, { GDI_SDPoan, "SDPoan" }, { GDI_PSDPoax, "PSDPoax" }, { GDI_SPDnox, "SPDnox" }, { GDI_SPDSxox, "SPDSxox" }, { GDI_SPDnoan, "SPDnoan" }, { GDI_PSx, "PSx" }, { GDI_SPDSonox, "SPDSonox" }, { GDI_SPDSnaox, "SPDSnaox" }, { GDI_PSan, "PSan" }, { GDI_PSDnaa, "PSDnaa" }, { GDI_DPSxon, "DPSxon" }, { GDI_SDxPDxa, "SDxPDxa" }, { GDI_SPDSanaxn, "SPDSanaxn" }, { GDI_SRCERASE, "SDna" }, { GDI_DPSnaon, "DPSnaon" }, { GDI_DSPDaox, "DSPDaox" }, { GDI_PSDPxaxn, "PSDPxaxn" }, { GDI_SDPxa, "SDPxa" }, { GDI_PDSPDaoxxn, "PDSPDaoxxn" }, { GDI_DPSDoax, "DPSDoax" }, { GDI_PDSnox, "PDSnox" }, { GDI_SDPana, "SDPana" }, { GDI_SSPxDSxoxn, "SSPxDSxoxn" }, { GDI_PDSPxox, "PDSPxox" }, { GDI_PDSnoan, "PDSnoan" }, { GDI_PDna, "PDna" }, { GDI_DSPnaon, "DSPnaon" }, { GDI_DPSDaox, "DPSDaox" }, { GDI_SPDSxaxn, "SPDSxaxn" }, { GDI_DPSonon, "DPSonon" }, { GDI_DSTINVERT, "Dn" }, { GDI_DPSox, "DPSox" }, { GDI_DPSoan, "DPSoan" }, { GDI_PDSPoax, "PDSPoax" }, { GDI_DPSnox, "DPSnox" }, { GDI_PATINVERT, "DPx" }, { GDI_DPSDonox, "DPSDonox" }, { GDI_DPSDxox, "DPSDxox" }, { GDI_DPSnoan, "DPSnoan" }, { GDI_DPSDnaox, "DPSDnaox" }, { GDI_DPan, "DPan" }, { GDI_PDSxa, "PDSxa" }, { GDI_DSPDSaoxxn, "DSPDSaoxxn" }, { GDI_DSPDoax, "DSPDoax" }, { GDI_SDPnox, "SDPnox" }, { GDI_SDPSoax, "SDPSoax" }, { GDI_DSPnox, "DSPnox" }, { GDI_SRCINVERT, "DSx" }, { GDI_SDPSonox, "SDPSonox" }, { GDI_DSPDSonoxxn, "DSPDSonoxxn" }, { GDI_PDSxxn, "PDSxxn" }, { GDI_DPSax, "DPSax" }, { GDI_PSDPSoaxxn, "PSDPSoaxxn" }, { GDI_SDPax, "SDPax" }, { GDI_PDSPDoaxxn, "PDSPDoaxxn" }, { GDI_SDPSnoax, "SDPSnoax" }, { GDI_PDSxnan, "PDSxnan" }, { GDI_PDSana, "PDSana" }, { GDI_SSDxPDxaxn, "SSDxPDxaxn" }, { GDI_SDPSxox, "SDPSxox" }, { GDI_SDPnoan, "SDPnoan" }, { GDI_DSPDxox, "DSPDxox" }, { GDI_DSPnoan, "DSPnoan" }, { GDI_SDPSnaox, "SDPSnaox" }, { GDI_DSan, "DSan" }, { GDI_PDSax, "PDSax" }, { GDI_DSPDSoaxxn, "DSPDSoaxxn" }, { GDI_DPSDnoax, "DPSDnoax" }, { GDI_SDPxnan, "SDPxnan" }, { GDI_SPDSnoax, "SPDSnoax" }, { GDI_DPSxnan, "DPSxnan" }, { GDI_SPxDSxo, "SPxDSxo" }, { GDI_DPSaan, "DPSaan" }, { GDI_DPSaa, "DPSaa" }, { GDI_SPxDSxon, "SPxDSxon" }, { GDI_DPSxna, "DPSxna" }, { GDI_SPDSnoaxn, "SPDSnoaxn" }, { GDI_SDPxna, "SDPxna" }, { GDI_PDSPnoaxn, "PDSPnoaxn" }, { GDI_DSPDSoaxx, "DSPDSoaxx" }, { GDI_PDSaxn, "PDSaxn" }, { GDI_SRCAND, "DSa" }, { GDI_SDPSnaoxn, "SDPSnaoxn" }, { GDI_DSPnoa, "DSPnoa" }, { GDI_DSPDxoxn, "DSPDxoxn" }, { GDI_SDPnoa, "SDPnoa" }, { GDI_SDPSxoxn, "SDPSxoxn" }, { GDI_SSDxPDxax, "SSDxPDxax" }, { GDI_PDSanan, "PDSanan" }, { GDI_PDSxna, "PDSxna" }, { GDI_SDPSnoaxn, "SDPSnoaxn" }, { GDI_DPSDPoaxx, "DPSDPoaxx" }, { GDI_SPDaxn, "SPDaxn" }, { GDI_PSDPSoaxx, "PSDPSoaxx" }, { GDI_DPSaxn, "DPSaxn" }, { GDI_DPSxx, "DPSxx" }, { GDI_PSDPSonoxx, "PSDPSonoxx" }, { GDI_SDPSonoxn, "SDPSonoxn" }, { GDI_DSxn, "DSxn" }, { GDI_DPSnax, "DPSnax" }, { GDI_SDPSoaxn, "SDPSoaxn" }, { GDI_SPDnax, "SPDnax" }, { GDI_DSPDoaxn, "DSPDoaxn" }, { GDI_DSPDSaoxx, "DSPDSaoxx" }, { GDI_PDSxan, "PDSxan" }, { GDI_DPa, "DPa" }, { GDI_PDSPnaoxn, "PDSPnaoxn" }, { GDI_DPSnoa, "DPSnoa" }, { GDI_DPSDxoxn, "DPSDxoxn" }, { GDI_PDSPonoxn, "PDSPonoxn" }, { GDI_PDxn, "PDxn" }, { GDI_DSPnax, "DSPnax" }, { GDI_PDSPoaxn, "PDSPoaxn" }, { GDI_DPSoa, "DPSoa" }, { GDI_DPSoxn, "DPSoxn" }, { GDI_DSTCOPY, "D" }, { GDI_DPSono, "DPSono" }, { GDI_SPDSxax, "SPDSxax" }, { GDI_DPSDaoxn, "DPSDaoxn" }, { GDI_DSPnao, "DSPnao" }, { GDI_DPno, "DPno" }, { GDI_PDSnoa, "PDSnoa" }, { GDI_PDSPxoxn, "PDSPxoxn" }, { GDI_SSPxDSxox, "SSPxDSxox" }, { GDI_SDPanan, "SDPanan" }, { GDI_PSDnax, "PSDnax" }, { GDI_DPSDoaxn, "DPSDoaxn" }, { GDI_DPSDPaoxx, "DPSDPaoxx" }, { GDI_SDPxan, "SDPxan" }, { GDI_PSDPxax, "PSDPxax" }, { GDI_DSPDaoxn, "DSPDaoxn" }, { GDI_DPSnao, "DPSnao" }, { GDI_MERGEPAINT, "DSno" }, { GDI_SPDSanax, "SPDSanax" }, { GDI_SDxPDxan, "SDxPDxan" }, { GDI_DPSxo, "DPSxo" }, { GDI_DPSano, "DPSano" }, { GDI_MERGECOPY, "PSa" }, { GDI_SPDSnaoxn, "SPDSnaoxn" }, { GDI_SPDSonoxn, "SPDSonoxn" }, { GDI_PSxn, "PSxn" }, { GDI_SPDnoa, "SPDnoa" }, { GDI_SPDSxoxn, "SPDSxoxn" }, { GDI_SDPnax, "SDPnax" }, { GDI_PSDPoaxn, "PSDPoaxn" }, { GDI_SDPoa, "SDPoa" }, { GDI_SPDoxn, "SPDoxn" }, { GDI_DPSDxax, "DPSDxax" }, { GDI_SPDSaoxn, "SPDSaoxn" }, { GDI_SRCCOPY, "S" }, { GDI_SDPono, "SDPono" }, { GDI_SDPnao, "SDPnao" }, { GDI_SPno, "SPno" }, { GDI_PSDnoa, "PSDnoa" }, { GDI_PSDPxoxn, "PSDPxoxn" }, { GDI_PDSnax, "PDSnax" }, { GDI_SPDSoaxn, "SPDSoaxn" }, { GDI_SSPxPDxax, "SSPxPDxax" }, { GDI_DPSanan, "DPSanan" }, { GDI_PSDPSaoxx, "PSDPSaoxx" }, { GDI_DPSxan, "DPSxan" }, { GDI_PDSPxax, "PDSPxax" }, { GDI_SDPSaoxn, "SDPSaoxn" }, { GDI_DPSDanax, "DPSDanax" }, { GDI_SPxDSxan, "SPxDSxan" }, { GDI_SPDnao, "SPDnao" }, { GDI_SDno, "SDno" }, { GDI_SDPxo, "SDPxo" }, { GDI_SDPano, "SDPano" }, { GDI_PDSoa, "PDSoa" }, { GDI_PDSoxn, "PDSoxn" }, { GDI_DSPDxax, "DSPDxax" }, { GDI_PSDPaoxn, "PSDPaoxn" }, { GDI_SDPSxax, "SDPSxax" }, { GDI_PDSPaoxn, "PDSPaoxn" }, { GDI_SDPSanax, "SDPSanax" }, { GDI_SPxPDxan, "SPxPDxan" }, { GDI_SSPxDSxax, "SSPxDSxax" }, { GDI_DSPDSanaxxn, "DSPDSanaxxn" }, { GDI_DPSao, "DPSao" }, { GDI_DPSxno, "DPSxno" }, { GDI_SDPao, "SDPao" }, { GDI_SDPxno, "SDPxno" }, { GDI_SRCPAINT, "DSo" }, { GDI_SDPnoo, "SDPnoo" }, { GDI_PATCOPY, "P" }, { GDI_PDSono, "PDSono" }, { GDI_PDSnao, "PDSnao" }, { GDI_PSno, "PSno" }, { GDI_PSDnao, "PSDnao" }, { GDI_PDno, "PDno" }, { GDI_PDSxo, "PDSxo" }, { GDI_PDSano, "PDSano" }, { GDI_PDSao, "PDSao" }, { GDI_PDSxno, "PDSxno" }, { GDI_DPo, "DPo" }, { GDI_PATPAINT, "DPSnoo" }, { GDI_PSo, "PSo" }, { GDI_PSDnoo, "PSDnoo" }, { GDI_DPSoo, "DPSoo" }, { GDI_WHITENESS, "1" } }; /* Hatch Patterns as monochrome data */ static const BYTE GDI_BS_HATCHED_PATTERNS[] = { 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, /* HS_HORIZONTAL */ 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, /* HS_VERTICAL */ 0xFE, 0xFD, 0xFB, 0xF7, 0xEF, 0xDF, 0xBF, 0x7F, /* HS_FDIAGONAL */ 0x7F, 0xBF, 0xDF, 0xEF, 0xF7, 0xFB, 0xFD, 0xFE, /* HS_BDIAGONAL */ 0xF7, 0xF7, 0xF7, 0x00, 0xF7, 0xF7, 0xF7, 0xF7, /* HS_CROSS */ 0x7E, 0xBD, 0xDB, 0xE7, 0xE7, 0xDB, 0xBD, 0x7E /* HS_DIACROSS */ }; INLINE BOOL gdi_decode_color(rdpGdi* gdi, const UINT32 srcColor, UINT32* color, UINT32* format) { UINT32 SrcFormat; UINT32 ColorDepth; if (!gdi || !color || !gdi->context || !gdi->context->settings) return FALSE; ColorDepth = gdi->context->settings->ColorDepth; switch (ColorDepth) { case 32: case 24: SrcFormat = PIXEL_FORMAT_BGR24; break; case 16: SrcFormat = PIXEL_FORMAT_RGB16; break; case 15: SrcFormat = PIXEL_FORMAT_RGB15; break; case 8: SrcFormat = PIXEL_FORMAT_RGB8; break; default: return FALSE; } if (format) *format = gdi->dstFormat; *color = FreeRDPConvertColor(srcColor, SrcFormat, gdi->dstFormat, &gdi->palette); return TRUE; } /* GDI Helper Functions */ DWORD gdi_rop3_code(BYTE code) { return rop3_code_table[code].code; } const char* gdi_rop3_code_string(BYTE code) { return rop3_code_table[code].name; } const char* gdi_rop3_string(DWORD rop) { const size_t count = sizeof(rop3_code_table) / sizeof(rop3_code_table[0]); size_t x; for (x = 0; x < count; x++) { if (rop3_code_table[x].code == rop) return rop3_code_table[x].name; } return "UNKNOWN"; } UINT32 gdi_get_pixel_format(UINT32 bitsPerPixel) { UINT32 format; switch (bitsPerPixel) { case 32: format = PIXEL_FORMAT_BGRA32; break; case 24: format = PIXEL_FORMAT_BGR24; break; case 16: format = PIXEL_FORMAT_RGB16; break; case 15: format = PIXEL_FORMAT_RGB15; break; case 8: format = PIXEL_FORMAT_RGB8; break; default: WLog_ERR(TAG, "Unsupported color depth %" PRIu32, bitsPerPixel); format = 0; break; } return format; } gdiBitmap* gdi_bitmap_new_ex(rdpGdi* gdi, int width, int height, int bpp, BYTE* data) { gdiBitmap* bitmap; bitmap = (gdiBitmap*)calloc(1, sizeof(gdiBitmap)); if (!bitmap) goto fail_bitmap; if (!(bitmap->hdc = gdi_CreateCompatibleDC(gdi->hdc))) goto fail_hdc; WLog_Print(gdi->log, WLOG_DEBUG, "gdi_bitmap_new: width:%d height:%d bpp:%d", width, height, bpp); if (!data) bitmap->bitmap = gdi_CreateCompatibleBitmap(gdi->hdc, width, height); else bitmap->bitmap = gdi_create_bitmap(gdi, width, height, bpp, data); if (!bitmap->bitmap) goto fail_bitmap_bitmap; gdi_SelectObject(bitmap->hdc, (HGDIOBJECT)bitmap->bitmap); bitmap->org_bitmap = NULL; return bitmap; fail_bitmap_bitmap: gdi_DeleteDC(bitmap->hdc); fail_hdc: free(bitmap); fail_bitmap: return NULL; } void gdi_bitmap_free_ex(gdiBitmap* bitmap) { if (bitmap) { gdi_SelectObject(bitmap->hdc, (HGDIOBJECT)bitmap->org_bitmap); gdi_DeleteObject((HGDIOBJECT)bitmap->bitmap); gdi_DeleteDC(bitmap->hdc); free(bitmap); } } BOOL gdi_bitmap_update(rdpContext* context, const BITMAP_UPDATE* bitmapUpdate) { UINT32 index; if (!context || !bitmapUpdate || !context->gdi || !context->codecs) return FALSE; for (index = 0; index < bitmapUpdate->number; index++) { const BITMAP_DATA* bitmap = &(bitmapUpdate->rectangles[index]); rdpBitmap* bmp = Bitmap_Alloc(context); if (!bmp) return FALSE; Bitmap_SetDimensions(bmp, bitmap->width, bitmap->height); Bitmap_SetRectangle(bmp, bitmap->destLeft, bitmap->destTop, bitmap->destRight, bitmap->destBottom); if (!bmp->Decompress(context, bmp, bitmap->bitmapDataStream, bitmap->width, bitmap->height, bitmap->bitsPerPixel, bitmap->bitmapLength, bitmap->compressed, RDP_CODEC_ID_NONE)) { Bitmap_Free(context, bmp); return FALSE; } if (!bmp->New(context, bmp)) { Bitmap_Free(context, bmp); return FALSE; } if (!bmp->Paint(context, bmp)) { Bitmap_Free(context, bmp); return FALSE; } Bitmap_Free(context, bmp); } return TRUE; } static BOOL gdi_palette_update(rdpContext* context, const PALETTE_UPDATE* palette) { UINT32 index; rdpGdi* gdi; if (!context || !palette) return FALSE; gdi = context->gdi; gdi->palette.format = gdi->dstFormat; for (index = 0; index < palette->number; index++) { const PALETTE_ENTRY* pe = &(palette->entries[index]); gdi->palette.palette[index] = FreeRDPGetColor(gdi->dstFormat, pe->red, pe->green, pe->blue, 0xFF); } return TRUE; } static BOOL gdi_set_bounds(rdpContext* context, const rdpBounds* bounds) { rdpGdi* gdi; if (!context) return FALSE; gdi = context->gdi; if (bounds) { gdi_SetClipRgn(gdi->drawing->hdc, bounds->left, bounds->top, bounds->right - bounds->left + 1, bounds->bottom - bounds->top + 1); } else gdi_SetNullClipRgn(gdi->drawing->hdc); return TRUE; } static BOOL gdi_dstblt(rdpContext* context, const DSTBLT_ORDER* dstblt) { rdpGdi* gdi; if (!context || !dstblt) return FALSE; gdi = context->gdi; return gdi_BitBlt(gdi->drawing->hdc, dstblt->nLeftRect, dstblt->nTopRect, dstblt->nWidth, dstblt->nHeight, NULL, 0, 0, gdi_rop3_code(dstblt->bRop), &gdi->palette); } static BOOL gdi_patblt(rdpContext* context, PATBLT_ORDER* patblt) { const rdpBrush* brush = &patblt->brush; UINT32 foreColor; UINT32 backColor; UINT32 originalColor; HGDI_BRUSH originalBrush, hbrush = NULL; rdpGdi* gdi = context->gdi; BOOL ret = FALSE; const DWORD rop = gdi_rop3_code(patblt->bRop); INT32 nXSrc = 0; INT32 nYSrc = 0; BYTE data[8 * 8 * 4]; HGDI_BITMAP hBmp = NULL; if (!gdi_decode_color(gdi, patblt->foreColor, &foreColor, NULL)) return FALSE; if (!gdi_decode_color(gdi, patblt->backColor, &backColor, NULL)) return FALSE; originalColor = gdi_SetTextColor(gdi->drawing->hdc, foreColor); originalBrush = gdi->drawing->hdc->brush; switch (brush->style) { case GDI_BS_SOLID: hbrush = gdi_CreateSolidBrush(foreColor); break; case GDI_BS_HATCHED: { const BYTE* hatched; hatched = GDI_BS_HATCHED_PATTERNS + (8 * brush->hatch); if (!freerdp_image_copy_from_monochrome(data, gdi->drawing->hdc->format, 0, 0, 0, 8, 8, hatched, backColor, foreColor, &gdi->palette)) goto out_error; hBmp = gdi_CreateBitmapEx(8, 8, gdi->drawing->hdc->format, 0, data, NULL); if (!hBmp) goto out_error; hbrush = gdi_CreateHatchBrush(hBmp); } break; case GDI_BS_PATTERN: { UINT32 brushFormat; if (brush->bpp > 1) { UINT32 bpp = brush->bpp; if ((bpp == 16) && (context->settings->ColorDepth == 15)) bpp = 15; brushFormat = gdi_get_pixel_format(bpp); if (!freerdp_image_copy(data, gdi->drawing->hdc->format, 0, 0, 0, 8, 8, brush->data, brushFormat, 0, 0, 0, &gdi->palette, FREERDP_FLIP_NONE)) goto out_error; } else { if (!freerdp_image_copy_from_monochrome(data, gdi->drawing->hdc->format, 0, 0, 0, 8, 8, brush->data, backColor, foreColor, &gdi->palette)) goto out_error; } hBmp = gdi_CreateBitmapEx(8, 8, gdi->drawing->hdc->format, 0, data, NULL); if (!hBmp) goto out_error; hbrush = gdi_CreatePatternBrush(hBmp); } break; default: WLog_ERR(TAG, "unimplemented brush style:%" PRIu32 "", brush->style); break; } if (hbrush) { hbrush->nXOrg = brush->x; hbrush->nYOrg = brush->y; gdi->drawing->hdc->brush = hbrush; ret = gdi_BitBlt(gdi->drawing->hdc, patblt->nLeftRect, patblt->nTopRect, patblt->nWidth, patblt->nHeight, gdi->primary->hdc, nXSrc, nYSrc, rop, &gdi->palette); } out_error: gdi_DeleteObject((HGDIOBJECT)hBmp); gdi_DeleteObject((HGDIOBJECT)hbrush); gdi->drawing->hdc->brush = originalBrush; gdi_SetTextColor(gdi->drawing->hdc, originalColor); return ret; } static BOOL gdi_scrblt(rdpContext* context, const SCRBLT_ORDER* scrblt) { rdpGdi* gdi; if (!context || !context->gdi) return FALSE; gdi = context->gdi; return gdi_BitBlt(gdi->drawing->hdc, scrblt->nLeftRect, scrblt->nTopRect, scrblt->nWidth, scrblt->nHeight, gdi->primary->hdc, scrblt->nXSrc, scrblt->nYSrc, gdi_rop3_code(scrblt->bRop), &gdi->palette); } static BOOL gdi_opaque_rect(rdpContext* context, const OPAQUE_RECT_ORDER* opaque_rect) { GDI_RECT rect; HGDI_BRUSH hBrush; UINT32 brush_color; rdpGdi* gdi = context->gdi; BOOL ret; INT32 x = opaque_rect->nLeftRect; INT32 y = opaque_rect->nTopRect; INT32 w = opaque_rect->nWidth; INT32 h = opaque_rect->nHeight; gdi_ClipCoords(gdi->drawing->hdc, &x, &y, &w, &h, NULL, NULL); gdi_CRgnToRect(x, y, w, h, &rect); if (!gdi_decode_color(gdi, opaque_rect->color, &brush_color, NULL)) return FALSE; if (!(hBrush = gdi_CreateSolidBrush(brush_color))) return FALSE; ret = gdi_FillRect(gdi->drawing->hdc, &rect, hBrush); gdi_DeleteObject((HGDIOBJECT)hBrush); return ret; } static BOOL gdi_multi_opaque_rect(rdpContext* context, const MULTI_OPAQUE_RECT_ORDER* multi_opaque_rect) { UINT32 i; GDI_RECT rect; HGDI_BRUSH hBrush; UINT32 brush_color; rdpGdi* gdi = context->gdi; BOOL ret = TRUE; if (!gdi_decode_color(gdi, multi_opaque_rect->color, &brush_color, NULL)) return FALSE; hBrush = gdi_CreateSolidBrush(brush_color); if (!hBrush) return FALSE; for (i = 0; i < multi_opaque_rect->numRectangles; i++) { const DELTA_RECT* rectangle = &multi_opaque_rect->rectangles[i]; INT32 x = rectangle->left; INT32 y = rectangle->top; INT32 w = rectangle->width; INT32 h = rectangle->height; gdi_ClipCoords(gdi->drawing->hdc, &x, &y, &w, &h, NULL, NULL); gdi_CRgnToRect(x, y, w, h, &rect); ret = gdi_FillRect(gdi->drawing->hdc, &rect, hBrush); if (!ret) break; } gdi_DeleteObject((HGDIOBJECT)hBrush); return ret; } static BOOL gdi_line_to(rdpContext* context, const LINE_TO_ORDER* lineTo) { UINT32 color; HGDI_PEN hPen; rdpGdi* gdi = context->gdi; INT32 xStart = lineTo->nXStart; INT32 yStart = lineTo->nYStart; INT32 xEnd = lineTo->nXEnd; INT32 yEnd = lineTo->nYEnd; INT32 w = 0; INT32 h = 0; gdi_ClipCoords(gdi->drawing->hdc, &xStart, &yStart, &w, &h, NULL, NULL); gdi_ClipCoords(gdi->drawing->hdc, &xEnd, &yEnd, &w, &h, NULL, NULL); if (!gdi_decode_color(gdi, lineTo->penColor, &color, NULL)) return FALSE; if (!(hPen = gdi_CreatePen(lineTo->penStyle, lineTo->penWidth, color, gdi->drawing->hdc->format, &gdi->palette))) return FALSE; gdi_SelectObject(gdi->drawing->hdc, (HGDIOBJECT)hPen); gdi_SetROP2(gdi->drawing->hdc, lineTo->bRop2); gdi_MoveToEx(gdi->drawing->hdc, lineTo->nXStart, lineTo->nYStart, NULL); gdi_LineTo(gdi->drawing->hdc, lineTo->nXEnd, lineTo->nYEnd); gdi_DeleteObject((HGDIOBJECT)hPen); return TRUE; } static BOOL gdi_polyline(rdpContext* context, const POLYLINE_ORDER* polyline) { UINT32 i; INT32 x; INT32 y; UINT32 color; HGDI_PEN hPen; DELTA_POINT* points; rdpGdi* gdi = context->gdi; INT32 w = 0, h = 0; if (!gdi_decode_color(gdi, polyline->penColor, &color, NULL)) return FALSE; if (!(hPen = gdi_CreatePen(GDI_PS_SOLID, 1, color, gdi->drawing->hdc->format, &gdi->palette))) return FALSE; gdi_SelectObject(gdi->drawing->hdc, (HGDIOBJECT)hPen); gdi_SetROP2(gdi->drawing->hdc, polyline->bRop2); x = polyline->xStart; y = polyline->yStart; gdi_ClipCoords(gdi->drawing->hdc, &x, &y, &w, &h, NULL, NULL); gdi_MoveToEx(gdi->drawing->hdc, x, y, NULL); points = polyline->points; for (i = 0; i < polyline->numDeltaEntries; i++) { x += points[i].x; y += points[i].y; gdi_ClipCoords(gdi->drawing->hdc, &x, &y, &w, &h, NULL, NULL); gdi_LineTo(gdi->drawing->hdc, x, y); gdi_MoveToEx(gdi->drawing->hdc, x, y, NULL); } gdi_DeleteObject((HGDIOBJECT)hPen); return TRUE; } static BOOL gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt) { gdiBitmap* bitmap; rdpGdi* gdi; if (!context || !memblt || !context->gdi || !memblt->bitmap) return FALSE; bitmap = (gdiBitmap*)memblt->bitmap; gdi = context->gdi; return gdi_BitBlt(gdi->drawing->hdc, memblt->nLeftRect, memblt->nTopRect, memblt->nWidth, memblt->nHeight, bitmap->hdc, memblt->nXSrc, memblt->nYSrc, gdi_rop3_code(memblt->bRop), &gdi->palette); } static BOOL gdi_mem3blt(rdpContext* context, MEM3BLT_ORDER* mem3blt) { HGDI_BRUSH originalBrush; rdpGdi* gdi = context->gdi; BOOL ret = TRUE; const rdpBrush* brush = &mem3blt->brush; gdiBitmap* bitmap = (gdiBitmap*)mem3blt->bitmap; UINT32 foreColor; UINT32 backColor; UINT32 originalColor; if (!gdi_decode_color(gdi, mem3blt->foreColor, &foreColor, NULL)) return FALSE; if (!gdi_decode_color(gdi, mem3blt->backColor, &backColor, NULL)) return FALSE; originalColor = gdi_SetTextColor(gdi->drawing->hdc, foreColor); switch (brush->style) { case GDI_BS_SOLID: originalBrush = gdi->drawing->hdc->brush; gdi->drawing->hdc->brush = gdi_CreateSolidBrush(foreColor); if (!gdi->drawing->hdc->brush) { ret = FALSE; goto out_fail; } ret = gdi_BitBlt(gdi->drawing->hdc, mem3blt->nLeftRect, mem3blt->nTopRect, mem3blt->nWidth, mem3blt->nHeight, bitmap->hdc, mem3blt->nXSrc, mem3blt->nYSrc, gdi_rop3_code(mem3blt->bRop), &gdi->palette); gdi_DeleteObject((HGDIOBJECT)gdi->drawing->hdc->brush); gdi->drawing->hdc->brush = originalBrush; break; case GDI_BS_PATTERN: { HGDI_BITMAP hBmp; UINT32 brushFormat; BYTE* data = (BYTE*)_aligned_malloc(8 * 8 * GetBytesPerPixel(gdi->drawing->hdc->format), 16); if (!data) { ret = FALSE; goto out_fail; } if (brush->bpp > 1) { UINT32 bpp = brush->bpp; if ((bpp == 16) && (context->settings->ColorDepth == 15)) bpp = 15; brushFormat = gdi_get_pixel_format(bpp); if (!freerdp_image_copy(data, gdi->drawing->hdc->format, 0, 0, 0, 8, 8, brush->data, brushFormat, 0, 0, 0, &gdi->palette, FREERDP_FLIP_NONE)) { ret = FALSE; _aligned_free(data); goto out_fail; } } else { if (!freerdp_image_copy_from_monochrome(data, gdi->drawing->hdc->format, 0, 0, 0, 8, 8, brush->data, backColor, foreColor, &gdi->palette)) { ret = FALSE; _aligned_free(data); goto out_fail; } } hBmp = gdi_CreateBitmap(8, 8, gdi->drawing->hdc->format, data); if (!hBmp) { ret = FALSE; _aligned_free(data); goto out_fail; } originalBrush = gdi->drawing->hdc->brush; gdi->drawing->hdc->brush = gdi_CreatePatternBrush(hBmp); if (!gdi->drawing->hdc->brush) { gdi_DeleteObject((HGDIOBJECT)hBmp); goto out_fail; } gdi->drawing->hdc->brush->nXOrg = brush->x; gdi->drawing->hdc->brush->nYOrg = brush->y; ret = gdi_BitBlt(gdi->drawing->hdc, mem3blt->nLeftRect, mem3blt->nTopRect, mem3blt->nWidth, mem3blt->nHeight, bitmap->hdc, mem3blt->nXSrc, mem3blt->nYSrc, gdi_rop3_code(mem3blt->bRop), &gdi->palette); gdi_DeleteObject((HGDIOBJECT)gdi->drawing->hdc->brush); gdi_DeleteObject((HGDIOBJECT)hBmp); gdi->drawing->hdc->brush = originalBrush; } break; default: WLog_ERR(TAG, "Mem3Blt unimplemented brush style:%" PRIu32 "", brush->style); break; } out_fail: gdi_SetTextColor(gdi->drawing->hdc, originalColor); return ret; } static BOOL gdi_polygon_sc(rdpContext* context, const POLYGON_SC_ORDER* polygon_sc) { WLog_WARN(TAG, "%s: not implemented", __FUNCTION__); return FALSE; } static BOOL gdi_polygon_cb(rdpContext* context, POLYGON_CB_ORDER* polygon_cb) { WLog_WARN(TAG, "%s: not implemented", __FUNCTION__); return FALSE; } static BOOL gdi_ellipse_sc(rdpContext* context, const ELLIPSE_SC_ORDER* ellipse_sc) { WLog_WARN(TAG, "%s: not implemented", __FUNCTION__); return FALSE; } static BOOL gdi_ellipse_cb(rdpContext* context, const ELLIPSE_CB_ORDER* ellipse_cb) { WLog_WARN(TAG, "%s: not implemented", __FUNCTION__); return FALSE; } static BOOL gdi_frame_marker(rdpContext* context, const FRAME_MARKER_ORDER* frameMarker) { return TRUE; } static BOOL gdi_surface_frame_marker(rdpContext* context, const SURFACE_FRAME_MARKER* surfaceFrameMarker) { WLog_Print(context->gdi->log, WLOG_DEBUG, "frameId %" PRIu32 " frameAction %" PRIu32 "", surfaceFrameMarker->frameId, surfaceFrameMarker->frameAction); switch (surfaceFrameMarker->frameAction) { case SURFACECMD_FRAMEACTION_BEGIN: break; case SURFACECMD_FRAMEACTION_END: if (context->settings->FrameAcknowledge > 0) { IFCALL(context->update->SurfaceFrameAcknowledge, context, surfaceFrameMarker->frameId); } break; } return TRUE; } static BOOL gdi_surface_bits(rdpContext* context, const SURFACE_BITS_COMMAND* cmd) { BOOL result = FALSE; DWORD format; rdpGdi* gdi; size_t size; REGION16 region; RECTANGLE_16 cmdRect; UINT32 i, nbRects; const RECTANGLE_16* rects; if (!context || !cmd) return FALSE; gdi = context->gdi; WLog_Print( gdi->log, WLOG_DEBUG, "destLeft %" PRIu32 " destTop %" PRIu32 " destRight %" PRIu32 " destBottom %" PRIu32 " " "bpp %" PRIu8 " flags %" PRIx8 " codecID %" PRIu16 " width %" PRIu16 " height %" PRIu16 " length %" PRIu32 "", cmd->destLeft, cmd->destTop, cmd->destRight, cmd->destBottom, cmd->bmp.bpp, cmd->bmp.flags, cmd->bmp.codecID, cmd->bmp.width, cmd->bmp.height, cmd->bmp.bitmapDataLength); region16_init(®ion); cmdRect.left = cmd->destLeft; cmdRect.top = cmd->destTop; cmdRect.right = cmdRect.left + cmd->bmp.width; cmdRect.bottom = cmdRect.top + cmd->bmp.height; switch (cmd->bmp.codecID) { case RDP_CODEC_ID_REMOTEFX: if (!rfx_process_message(context->codecs->rfx, cmd->bmp.bitmapData, cmd->bmp.bitmapDataLength, cmd->destLeft, cmd->destTop, gdi->primary_buffer, gdi->dstFormat, gdi->stride, gdi->height, ®ion)) { WLog_ERR(TAG, "Failed to process RemoteFX message"); goto out; } break; case RDP_CODEC_ID_NSCODEC: format = gdi->dstFormat; if (!nsc_process_message(context->codecs->nsc, cmd->bmp.bpp, cmd->bmp.width, cmd->bmp.height, cmd->bmp.bitmapData, cmd->bmp.bitmapDataLength, gdi->primary_buffer, format, gdi->stride, cmd->destLeft, cmd->destTop, cmd->bmp.width, cmd->bmp.height, FREERDP_FLIP_VERTICAL)) { WLog_ERR(TAG, "Failed to process NSCodec message"); goto out; } region16_union_rect(®ion, ®ion, &cmdRect); break; case RDP_CODEC_ID_NONE: format = gdi_get_pixel_format(cmd->bmp.bpp); size = cmd->bmp.width * cmd->bmp.height * GetBytesPerPixel(format) * 1ULL; if (size > cmd->bmp.bitmapDataLength) { WLog_ERR(TAG, "Short nocodec message: got %" PRIu32 " bytes, require %" PRIuz, cmd->bmp.bitmapDataLength, size); goto out; } if (!freerdp_image_copy(gdi->primary_buffer, gdi->dstFormat, gdi->stride, cmd->destLeft, cmd->destTop, cmd->bmp.width, cmd->bmp.height, cmd->bmp.bitmapData, format, 0, 0, 0, &gdi->palette, FREERDP_FLIP_VERTICAL)) { WLog_ERR(TAG, "Failed to process nocodec message"); goto out; } region16_union_rect(®ion, ®ion, &cmdRect); break; default: WLog_ERR(TAG, "Unsupported codecID %" PRIu32 "", cmd->bmp.codecID); break; } if (!(rects = region16_rects(®ion, &nbRects))) goto out; for (i = 0; i < nbRects; i++) { UINT32 left = rects[i].left; UINT32 top = rects[i].top; UINT32 width = rects[i].right - rects[i].left; UINT32 height = rects[i].bottom - rects[i].top; if (!gdi_InvalidateRegion(gdi->primary->hdc, left, top, width, height)) { WLog_ERR(TAG, "Failed to update invalid region"); goto out; } } result = TRUE; out: region16_uninit(®ion); return result; } /** * Register GDI callbacks with libfreerdp-core. * @param inst current instance * @return */ static void gdi_register_update_callbacks(rdpUpdate* update) { rdpPrimaryUpdate* primary = update->primary; update->Palette = gdi_palette_update; update->SetBounds = gdi_set_bounds; primary->DstBlt = gdi_dstblt; primary->PatBlt = gdi_patblt; primary->ScrBlt = gdi_scrblt; primary->OpaqueRect = gdi_opaque_rect; primary->DrawNineGrid = NULL; primary->MultiDstBlt = NULL; primary->MultiPatBlt = NULL; primary->MultiScrBlt = NULL; primary->MultiOpaqueRect = gdi_multi_opaque_rect; primary->MultiDrawNineGrid = NULL; primary->LineTo = gdi_line_to; primary->Polyline = gdi_polyline; primary->MemBlt = gdi_memblt; primary->Mem3Blt = gdi_mem3blt; primary->SaveBitmap = NULL; primary->GlyphIndex = NULL; primary->FastIndex = NULL; primary->FastGlyph = NULL; primary->PolygonSC = gdi_polygon_sc; primary->PolygonCB = gdi_polygon_cb; primary->EllipseSC = gdi_ellipse_sc; primary->EllipseCB = gdi_ellipse_cb; update->SurfaceBits = gdi_surface_bits; update->SurfaceFrameMarker = gdi_surface_frame_marker; update->altsec->FrameMarker = gdi_frame_marker; } static BOOL gdi_init_primary(rdpGdi* gdi, UINT32 stride, UINT32 format, BYTE* buffer, void (*pfree)(void*)) { gdi->primary = (gdiBitmap*)calloc(1, sizeof(gdiBitmap)); if (format > 0) gdi->dstFormat = format; if (stride > 0) gdi->stride = stride; else gdi->stride = gdi->width * GetBytesPerPixel(gdi->dstFormat); if (!gdi->primary) goto fail_primary; if (!(gdi->primary->hdc = gdi_CreateCompatibleDC(gdi->hdc))) goto fail_hdc; if (!buffer) { gdi->primary->bitmap = gdi_CreateCompatibleBitmap(gdi->hdc, gdi->width, gdi->height); } else { gdi->primary->bitmap = gdi_CreateBitmapEx(gdi->width, gdi->height, gdi->dstFormat, gdi->stride, buffer, pfree); } if (!gdi->primary->bitmap) goto fail_bitmap; gdi->stride = gdi->primary->bitmap->scanline; gdi_SelectObject(gdi->primary->hdc, (HGDIOBJECT)gdi->primary->bitmap); gdi->primary->org_bitmap = NULL; gdi->primary_buffer = gdi->primary->bitmap->data; if (!(gdi->primary->hdc->hwnd = (HGDI_WND)calloc(1, sizeof(GDI_WND)))) goto fail_hwnd; if (!(gdi->primary->hdc->hwnd->invalid = gdi_CreateRectRgn(0, 0, 0, 0))) goto fail_hwnd; gdi->primary->hdc->hwnd->invalid->null = TRUE; gdi->primary->hdc->hwnd->count = 32; if (!(gdi->primary->hdc->hwnd->cinvalid = (HGDI_RGN)calloc(gdi->primary->hdc->hwnd->count, sizeof(GDI_RGN)))) goto fail_hwnd; gdi->primary->hdc->hwnd->ninvalid = 0; if (!gdi->drawing) gdi->drawing = gdi->primary; return TRUE; fail_hwnd: gdi_DeleteObject((HGDIOBJECT)gdi->primary->bitmap); fail_bitmap: gdi_DeleteDC(gdi->primary->hdc); fail_hdc: free(gdi->primary); gdi->primary = NULL; fail_primary: return FALSE; } BOOL gdi_resize(rdpGdi* gdi, UINT32 width, UINT32 height) { return gdi_resize_ex(gdi, width, height, 0, 0, NULL, NULL); } BOOL gdi_resize_ex(rdpGdi* gdi, UINT32 width, UINT32 height, UINT32 stride, UINT32 format, BYTE* buffer, void (*pfree)(void*)) { if (!gdi || !gdi->primary) return FALSE; if ((width > INT32_MAX) || (height > INT32_MAX)) return FALSE; if ((gdi->width == (INT32)width) && (gdi->height == (INT32)height) && (!buffer || (gdi->primary_buffer == buffer))) return TRUE; if (gdi->drawing == gdi->primary) gdi->drawing = NULL; gdi->width = (INT32)width; gdi->height = (INT32)height; gdi_bitmap_free_ex(gdi->primary); gdi->primary = NULL; gdi->primary_buffer = NULL; return gdi_init_primary(gdi, stride, format, buffer, pfree); } /** * Initialize GDI * @param inst current instance * @return */ BOOL gdi_init(freerdp* instance, UINT32 format) { return gdi_init_ex(instance, format, 0, NULL, _aligned_free); } BOOL gdi_init_ex(freerdp* instance, UINT32 format, UINT32 stride, BYTE* buffer, void (*pfree)(void*)) { UINT32 SrcFormat = gdi_get_pixel_format(instance->settings->ColorDepth); rdpGdi* gdi = (rdpGdi*)calloc(1, sizeof(rdpGdi)); rdpContext* context = instance->context; if (!gdi) goto fail; instance->context->gdi = gdi; gdi->log = WLog_Get(TAG); if (!gdi->log) goto fail; gdi->context = instance->context; gdi->width = instance->settings->DesktopWidth; gdi->height = instance->settings->DesktopHeight; gdi->dstFormat = format; /* default internal buffer format */ WLog_Print(gdi->log, WLOG_INFO, "Local framebuffer format %s", FreeRDPGetColorFormatName(gdi->dstFormat)); WLog_Print(gdi->log, WLOG_INFO, "Remote framebuffer format %s", FreeRDPGetColorFormatName(SrcFormat)); if (!(gdi->hdc = gdi_GetDC())) goto fail; gdi->hdc->format = gdi->dstFormat; if (!gdi_init_primary(gdi, stride, gdi->dstFormat, buffer, pfree)) goto fail; if (!(context->cache = cache_new(instance->settings))) goto fail; gdi_register_update_callbacks(instance->update); brush_cache_register_callbacks(instance->update); glyph_cache_register_callbacks(instance->update); bitmap_cache_register_callbacks(instance->update); offscreen_cache_register_callbacks(instance->update); palette_cache_register_callbacks(instance->update); if (!gdi_register_graphics(instance->context->graphics)) goto fail; return TRUE; fail: gdi_free(instance); WLog_ERR(TAG, "failed to initialize gdi"); return FALSE; } void gdi_free(freerdp* instance) { rdpGdi* gdi; rdpContext* context; if (!instance || !instance->context) return; gdi = instance->context->gdi; if (gdi) { gdi_bitmap_free_ex(gdi->primary); gdi_DeleteDC(gdi->hdc); free(gdi); } context = instance->context; cache_free(context->cache); context->cache = NULL; instance->context->gdi = (rdpGdi*)NULL; } BOOL gdi_send_suppress_output(rdpGdi* gdi, BOOL suppress) { RECTANGLE_16 rect; rdpSettings* settings; rdpUpdate* update; if (!gdi || !gdi->context->settings || !gdi->context->update) return FALSE; if (gdi->suppressOutput == suppress) return TRUE; gdi->suppressOutput = suppress; settings = gdi->context->settings; update = gdi->context->update; rect.left = 0; rect.top = 0; rect.right = settings->DesktopWidth; rect.bottom = settings->DesktopHeight; return update->SuppressOutput(gdi->context, !suppress, &rect); }