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Diffstat (limited to '')
| -rw-r--r-- | libfreerdp/gdi/gdi.c | 1439 |
1 files changed, 1439 insertions, 0 deletions
diff --git a/libfreerdp/gdi/gdi.c b/libfreerdp/gdi/gdi.c new file mode 100644 index 0000000..832ae24 --- /dev/null +++ b/libfreerdp/gdi/gdi.c @@ -0,0 +1,1439 @@ +/** + * FreeRDP: A Remote Desktop Protocol Implementation + * GDI Library + * + * Copyright 2010-2011 Marc-Andre Moreau <marcandre.moreau@gmail.com> + * Copyright 2016 Armin Novak <armin.novak@thincast.com> + * 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. + */ + +#include <freerdp/config.h> + +#include <stdio.h> +#include <stdlib.h> + +#include <winpr/crt.h> +#include <winpr/assert.h> + +#include <freerdp/api.h> +#include <freerdp/log.h> +#include <freerdp/freerdp.h> + +#include <freerdp/gdi/gdi.h> +#include <freerdp/gdi/dc.h> +#include <freerdp/gdi/pen.h> +#include <freerdp/gdi/shape.h> +#include <freerdp/gdi/region.h> +#include <freerdp/gdi/bitmap.h> + +#include "drawing.h" +#include "clipping.h" +#include "brush.h" +#include "line.h" +#include "gdi.h" +#include "../core/graphics.h" +#include "../core/update.h" +#include "../cache/cache.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 */ +}; + +BOOL gdi_decode_color(rdpGdi* gdi, const UINT32 srcColor, UINT32* color, UINT32* format) +{ + UINT32 SrcFormat = 0; + + if (!gdi || !color || !gdi->context || !gdi->context->settings) + return FALSE; + + const UINT32 ColorDepth = + freerdp_settings_get_uint32(gdi->context->settings, FreeRDP_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]); + + for (size_t 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 = 0; + + 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 = NULL; + 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) +{ + if (!context || !bitmapUpdate || !context->gdi || !context->codecs) + { + WLog_ERR(TAG, + "Invalid arguments: context=%p, bitmapUpdate=%p, context->gdi=%p, " + "context->codecs=%p", + context, bitmapUpdate, context ? context->gdi : NULL, + context ? context->codecs : NULL); + return FALSE; + } + + for (UINT32 index = 0; index < bitmapUpdate->number; index++) + { + const BITMAP_DATA* bitmap = &(bitmapUpdate->rectangles[index]); + rdpBitmap* bmp = Bitmap_Alloc(context); + + if (!bmp) + { + WLog_ERR(TAG, "Bitmap_Alloc failed"); + 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)) + { + WLog_ERR(TAG, "bmp->Decompress failed"); + Bitmap_Free(context, bmp); + return FALSE; + } + + if (!bmp->New(context, bmp)) + { + WLog_ERR(TAG, "bmp->New failed"); + Bitmap_Free(context, bmp); + return FALSE; + } + + if (!bmp->Paint(context, bmp)) + { + WLog_ERR(TAG, "bmp->Paint failed"); + Bitmap_Free(context, bmp); + return FALSE; + } + + Bitmap_Free(context, bmp); + } + + return TRUE; +} + +static BOOL gdi_palette_update(rdpContext* context, const PALETTE_UPDATE* palette) +{ + rdpGdi* gdi = NULL; + + if (!context || !palette) + return FALSE; + + gdi = context->gdi; + gdi->palette.format = gdi->dstFormat; + + for (UINT32 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 = NULL; + + 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 = NULL; + + 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 = 0; + UINT32 backColor = 0; + UINT32 originalColor = 0; + HGDI_BRUSH originalBrush = NULL; + HGDI_BRUSH 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 = NULL; + 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 = 0; + + if (brush->bpp > 1) + { + UINT32 bpp = brush->bpp; + + if ((bpp == 16) && + (freerdp_settings_get_uint32(context->settings, FreeRDP_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 = NULL; + + 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 = NULL; + UINT32 brush_color = 0; + rdpGdi* gdi = context->gdi; + BOOL ret = 0; + 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) +{ + GDI_RECT rect; + HGDI_BRUSH hBrush = NULL; + UINT32 brush_color = 0; + 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 (UINT32 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 = 0; + HGDI_PEN hPen = NULL; + 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) +{ + INT32 x = 0; + INT32 y = 0; + UINT32 color = 0; + HGDI_PEN hPen = NULL; + DELTA_POINT* points = NULL; + rdpGdi* gdi = context->gdi; + INT32 w = 0; + INT32 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 (UINT32 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 = NULL; + rdpGdi* gdi = NULL; + + 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 = NULL; + rdpGdi* gdi = context->gdi; + BOOL ret = TRUE; + const rdpBrush* brush = &mem3blt->brush; + gdiBitmap* bitmap = (gdiBitmap*)mem3blt->bitmap; + UINT32 foreColor = 0; + UINT32 backColor = 0; + UINT32 originalColor = 0; + + 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 = NULL; + UINT32 brushFormat = 0; + BYTE* data = (BYTE*)winpr_aligned_malloc( + 8 * 8 * FreeRDPGetBytesPerPixel(gdi->drawing->hdc->format), 16); + + if (!data) + { + ret = FALSE; + goto out_fail; + } + + if (brush->bpp > 1) + { + UINT32 bpp = brush->bpp; + + const UINT32 ColorDepth = + freerdp_settings_get_uint32(gdi->context->settings, FreeRDP_ColorDepth); + if ((bpp == 16) && (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; + winpr_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; + winpr_aligned_free(data); + goto out_fail; + } + } + + hBmp = gdi_CreateBitmap(8, 8, gdi->drawing->hdc->format, data); + + if (!hBmp) + { + ret = FALSE; + winpr_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, "not implemented"); + return FALSE; +} + +static BOOL gdi_polygon_cb(rdpContext* context, POLYGON_CB_ORDER* polygon_cb) +{ + WLog_WARN(TAG, "not implemented"); + return FALSE; +} + +static BOOL gdi_ellipse_sc(rdpContext* context, const ELLIPSE_SC_ORDER* ellipse_sc) +{ + WLog_WARN(TAG, "not implemented"); + return FALSE; +} + +static BOOL gdi_ellipse_cb(rdpContext* context, const ELLIPSE_CB_ORDER* ellipse_cb) +{ + WLog_WARN(TAG, "not implemented"); + 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 (freerdp_settings_get_uint32(context->settings, FreeRDP_FrameAcknowledge) > 0) + { + IFCALL(context->update->SurfaceFrameAcknowledge, context, + surfaceFrameMarker->frameId); + } + + break; + } + + return TRUE; +} + +static BOOL intersect_rect(const rdpGdi* gdi, const SURFACE_BITS_COMMAND* cmd, RECTANGLE_16* prect) +{ + const UINT32 w = (const UINT32)gdi->width; + const UINT32 h = (const UINT32)gdi->height; + + if (cmd->destLeft > w) + return FALSE; + if (cmd->destRight > w) + return FALSE; + if (cmd->destLeft > cmd->destRight) + return FALSE; + if (cmd->destRight > UINT16_MAX) + return FALSE; + + if (cmd->destTop > h) + return FALSE; + if (cmd->destBottom > h) + return FALSE; + if (cmd->destTop > cmd->destBottom) + return FALSE; + if (cmd->destBottom > UINT16_MAX) + return FALSE; + + prect->left = (const UINT16)cmd->destLeft; + prect->top = (const UINT16)cmd->destTop; + prect->right = MIN((UINT16)cmd->destRight, prect->left + cmd->bmp.width); + prect->bottom = MIN((UINT16)cmd->destBottom, prect->top + cmd->bmp.height); + return TRUE; +} + +static BOOL gdi_surface_bits(rdpContext* context, const SURFACE_BITS_COMMAND* cmd) +{ + BOOL result = FALSE; + DWORD format = 0; + rdpGdi* gdi = NULL; + size_t size = 0; + REGION16 region; + RECTANGLE_16 cmdRect = { 0 }; + UINT32 nbRects = 0; + const RECTANGLE_16* rects = NULL; + + 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); + + if (!intersect_rect(gdi, cmd, &cmdRect)) + goto out; + + switch (cmd->bmp.codecID) + { + case RDP_CODEC_ID_REMOTEFX: + case RDP_CODEC_ID_IMAGE_REMOTEFX: + if (!rfx_process_message(context->codecs->rfx, cmd->bmp.bitmapData, + cmd->bmp.bitmapDataLength, cmdRect.left, cmdRect.top, + 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, cmdRect.left, cmdRect.top, cmdRect.right - cmdRect.left, + cmdRect.bottom - cmdRect.top, 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 = 1ull * cmd->bmp.width * cmd->bmp.height * FreeRDPGetBytesPerPixel(format); + 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, cmdRect.left, + cmdRect.top, cmdRect.right - cmdRect.left, + cmdRect.bottom - cmdRect.top, 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 (UINT32 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 update current instance + */ + +static void gdi_register_update_callbacks(rdpUpdate* update) +{ + rdpPrimaryUpdate* primary = NULL; + const rdpSettings* settings = NULL; + + WINPR_ASSERT(update); + WINPR_ASSERT(update->context); + + settings = update->context->settings; + WINPR_ASSERT(settings); + + primary = update->primary; + WINPR_ASSERT(primary); + + if (freerdp_settings_get_bool(settings, FreeRDP_DeactivateClientDecoding)) + return; + 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*), BOOL isLocked) +{ + WINPR_ASSERT(gdi); + WINPR_ASSERT(gdi->context); + WINPR_ASSERT(gdi->context->update); + if (!isLocked) + rdp_update_lock(gdi->context->update); + + gdi->primary = (gdiBitmap*)calloc(1, sizeof(gdiBitmap)); + + if (format > 0) + gdi->dstFormat = format; + + if (stride > 0) + gdi->stride = stride; + else + gdi->stride = gdi->width * FreeRDPGetBytesPerPixel(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; + + rdp_update_unlock(gdi->context->update); + 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: + rdp_update_unlock(gdi->context->update); + 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; + + WINPR_ASSERT(gdi->context); + WINPR_ASSERT(gdi->context->update); + rdp_update_lock(gdi->context->update); + + 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, TRUE); +} + +/** + * Initialize GDI + * + * @param instance A pointer to the instance to use + * @param format The color format for the local framebuffer + * @return \b TRUE for success, \b FALSE for failure + */ +BOOL gdi_init(freerdp* instance, UINT32 format) +{ + return gdi_init_ex(instance, format, 0, NULL, winpr_aligned_free); +} + +/** + * Initialize GDI + * + * @param instance A pointer to the instance to use + * @param format The color format for the local framebuffer + * @param stride The size of a framebuffer line in bytes + * @param buffer A pointer to a buffer to be used as framebuffer + * @param pfree A custom function pointer to use to free the framebuffer + * + * @return \b TRUE for success, \b FALSE for failure + */ +BOOL gdi_init_ex(freerdp* instance, UINT32 format, UINT32 stride, BYTE* buffer, + void (*pfree)(void*)) +{ + rdpContext* context = NULL; + UINT32 SrcFormat = 0; + rdpGdi* gdi = NULL; + + WINPR_ASSERT(instance); + + context = instance->context; + WINPR_ASSERT(context); + WINPR_ASSERT(context->settings); + + const UINT32 ColorDepth = freerdp_settings_get_uint32(context->settings, FreeRDP_ColorDepth); + SrcFormat = gdi_get_pixel_format(ColorDepth); + gdi = (rdpGdi*)calloc(1, sizeof(rdpGdi)); + + if (!gdi) + goto fail; + + context->gdi = gdi; + gdi->log = WLog_Get(TAG); + + if (!gdi->log) + goto fail; + + gdi->context = context; + gdi->width = freerdp_settings_get_uint32(context->settings, FreeRDP_DesktopWidth); + gdi->height = freerdp_settings_get_uint32(context->settings, FreeRDP_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, FALSE)) + goto fail; + + if (!(context->cache = cache_new(context))) + goto fail; + + gdi_register_update_callbacks(context->update); + brush_cache_register_callbacks(context->update); + glyph_cache_register_callbacks(context->update); + bitmap_cache_register_callbacks(context->update); + offscreen_cache_register_callbacks(context->update); + palette_cache_register_callbacks(context->update); + + if (!gdi_register_graphics(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 = NULL; + rdpContext* context = NULL; + + 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 = NULL; + rdpUpdate* update = NULL; + + 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 = freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth); + rect.bottom = freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight); + return update->SuppressOutput(gdi->context, !suppress, &rect); +} |