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FreeRDP/libfreerdp/gdi/gdi.c

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/**
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <winpr/crt.h>
#include <freerdp/api.h>
#include <freerdp/log.h>
#include <freerdp/freerdp.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"
#define TAG FREERDP_TAG("gdi")
/* Ternary Raster Operation Table */
static const DWORD rop3_code_table[] =
{
0x00000042, /* 0 */
0x00010289, /* DPSoon */
0x00020C89, /* DPSona */
0x000300AA, /* PSon */
0x00040C88, /* SDPona */
0x000500A9, /* DPon */
0x00060865, /* PDSxnon */
0x000702C5, /* PDSaon */
0x00080F08, /* SDPnaa */
0x00090245, /* PDSxon */
0x000A0329, /* DPna */
0x000B0B2A, /* PSDnaon */
0x000C0324, /* SPna */
0x000D0B25, /* PDSnaon */
0x000E08A5, /* PDSonon */
0x000F0001, /* Pn */
0x00100C85, /* PDSona */
0x001100A6, /* DSon */
0x00120868, /* SDPxnon */
0x001302C8, /* SDPaon */
0x00140869, /* DPSxnon */
0x001502C9, /* DPSaon */
0x00165CCA, /* PSDPSanaxx */
0x00171D54, /* SSPxDSxaxn */
0x00180D59, /* SPxPDxa */
0x00191CC8, /* SDPSanaxn */
0x001A06C5, /* PDSPaox */
0x001B0768, /* SDPSxaxn */
0x001C06CA, /* PSDPaox */
0x001D0766, /* DSPDxaxn */
0x001E01A5, /* PDSox */
0x001F0385, /* PDSoan */
0x00200F09, /* DPSnaa */
0x00210248, /* SDPxon */
0x00220326, /* DSna */
0x00230B24, /* SPDnaon */
0x00240D55, /* SPxDSxa */
0x00251CC5, /* PDSPanaxn */
0x002606C8, /* SDPSaox */
0x00271868, /* SDPSxnox */
0x00280369, /* DPSxa */
0x002916CA, /* PSDPSaoxxn */
0x002A0CC9, /* DPSana */
0x002B1D58, /* SSPxPDxaxn */
0x002C0784, /* SPDSoax */
0x002D060A, /* PSDnox */
0x002E064A, /* PSDPxox */
0x002F0E2A, /* PSDnoan */
0x0030032A, /* PSna */
0x00310B28, /* SDPnaon */
0x00320688, /* SDPSoox */
0x00330008, /* Sn */
0x003406C4, /* SPDSaox */
0x00351864, /* SPDSxnox */
0x003601A8, /* SDPox */
0x00370388, /* SDPoan */
0x0038078A, /* PSDPoax */
0x00390604, /* SPDnox */
0x003A0644, /* SPDSxox */
0x003B0E24, /* SPDnoan */
0x003C004A, /* PSx */
0x003D18A4, /* SPDSonox */
0x003E1B24, /* SPDSnaox */
0x003F00EA, /* PSan */
0x00400F0A, /* PSDnaa */
0x00410249, /* DPSxon */
0x00420D5D, /* SDxPDxa */
0x00431CC4, /* SPDSanaxn */
0x00440328, /* SDna */
0x00450B29, /* DPSnaon */
0x004606C6, /* DSPDaox */
0x0047076A, /* PSDPxaxn */
0x00480368, /* SDPxa */
0x004916C5, /* PDSPDaoxxn */
0x004A0789, /* DPSDoax */
0x004B0605, /* PDSnox */
0x004C0CC8, /* SDPana */
0x004D1954, /* SSPxDSxoxn */
0x004E0645, /* PDSPxox */
0x004F0E25, /* PDSnoan */
0x00500325, /* PDna */
0x00510B26, /* DSPnaon */
0x005206C9, /* DPSDaox */
0x00530764, /* SPDSxaxn */
0x005408A9, /* DPSonon */
0x00550009, /* Dn */
0x005601A9, /* DPSox */
0x00570389, /* DPSoan */
0x00580785, /* PDSPoax */
0x00590609, /* DPSnox */
0x005A0049, /* DPx */
0x005B18A9, /* DPSDonox */
0x005C0649, /* DPSDxox */
0x005D0E29, /* DPSnoan */
0x005E1B29, /* DPSDnaox */
0x005F00E9, /* DPan */
0x00600365, /* PDSxa */
0x006116C6, /* DSPDSaoxxn */
0x00620786, /* DSPDoax */
0x00630608, /* SDPnox */
0x00640788, /* SDPSoax */
0x00650606, /* DSPnox */
0x00660046, /* DSx */
0x006718A8, /* SDPSonox */
0x006858A6, /* DSPDSonoxxn */
0x00690145, /* PDSxxn */
0x006A01E9, /* DPSax */
0x006B178A, /* PSDPSoaxxn */
0x006C01E8, /* SDPax */
0x006D1785, /* PDSPDoaxxn */
0x006E1E28, /* SDPSnoax */
0x006F0C65, /* PDSxnan */
0x00700CC5, /* PDSana */
0x00711D5C, /* SSDxPDxaxn */
0x00720648, /* SDPSxox */
0x00730E28, /* SDPnoan */
0x00740646, /* DSPDxox */
0x00750E26, /* DSPnoan */
0x00761B28, /* SDPSnaox */
0x007700E6, /* DSan */
0x007801E5, /* PDSax */
0x00791786, /* DSPDSoaxxn */
0x007A1E29, /* DPSDnoax */
0x007B0C68, /* SDPxnan */
0x007C1E24, /* SPDSnoax */
0x007D0C69, /* DPSxnan */
0x007E0955, /* SPxDSxo */
0x007F03C9, /* DPSaan */
0x008003E9, /* DPSaa */
0x00810975, /* SPxDSxon */
0x00820C49, /* DPSxna */
0x00831E04, /* SPDSnoaxn */
0x00840C48, /* SDPxna */
0x00851E05, /* PDSPnoaxn */
0x008617A6, /* DSPDSoaxx */
0x008701C5, /* PDSaxn */
0x008800C6, /* DSa */
0x00891B08, /* SDPSnaoxn */
0x008A0E06, /* DSPnoa */
0x008B0666, /* DSPDxoxn */
0x008C0E08, /* SDPnoa */
0x008D0668, /* SDPSxoxn */
0x008E1D7C, /* SSDxPDxax */
0x008F0CE5, /* PDSanan */
0x00900C45, /* PDSxna */
0x00911E08, /* SDPSnoaxn */
0x009217A9, /* DPSDPoaxx */
0x009301C4, /* SPDaxn */
0x009417AA, /* PSDPSoaxx */
0x009501C9, /* DPSaxn */
0x00960169, /* DPSxx */
0x0097588A, /* PSDPSonoxx */
0x00981888, /* SDPSonoxn */
0x00990066, /* DSxn */
0x009A0709, /* DPSnax */
0x009B07A8, /* SDPSoaxn */
0x009C0704, /* SPDnax */
0x009D07A6, /* DSPDoaxn */
0x009E16E6, /* DSPDSaoxx */
0x009F0345, /* PDSxan */
0x00A000C9, /* DPa */
0x00A11B05, /* PDSPnaoxn */
0x00A20E09, /* DPSnoa */
0x00A30669, /* DPSDxoxn */
0x00A41885, /* PDSPonoxn */
0x00A50065, /* PDxn */
0x00A60706, /* DSPnax */
0x00A707A5, /* PDSPoaxn */
0x00A803A9, /* DPSoa */
0x00A90189, /* DPSoxn */
0x00AA0029, /* D */
0x00AB0889, /* DPSono */
0x00AC0744, /* SPDSxax */
0x00AD06E9, /* DPSDaoxn */
0x00AE0B06, /* DSPnao */
0x00AF0229, /* DPno */
0x00B00E05, /* PDSnoa */
0x00B10665, /* PDSPxoxn */
0x00B21974, /* SSPxDSxox */
0x00B30CE8, /* SDPanan */
0x00B4070A, /* PSDnax */
0x00B507A9, /* DPSDoaxn */
0x00B616E9, /* DPSDPaoxx */
0x00B70348, /* SDPxan */
0x00B8074A, /* PSDPxax */
0x00B906E6, /* DSPDaoxn */
0x00BA0B09, /* DPSnao */
0x00BB0226, /* DSno */
0x00BC1CE4, /* SPDSanax */
0x00BD0D7D, /* SDxPDxan */
0x00BE0269, /* DPSxo */
0x00BF08C9, /* DPSano */
0x00C000CA, /* PSa */
0x00C11B04, /* SPDSnaoxn */
0x00C21884, /* SPDSonoxn */
0x00C3006A, /* PSxn */
0x00C40E04, /* SPDnoa */
0x00C50664, /* SPDSxoxn */
0x00C60708, /* SDPnax */
0x00C707AA, /* PSDPoaxn */
0x00C803A8, /* SDPoa */
0x00C90184, /* SPDoxn */
0x00CA0749, /* DPSDxax */
0x00CB06E4, /* SPDSaoxn */
0x00CC0020, /* S */
0x00CD0888, /* SDPono */
0x00CE0B08, /* SDPnao */
0x00CF0224, /* SPno */
0x00D00E0A, /* PSDnoa */
0x00D1066A, /* PSDPxoxn */
0x00D20705, /* PDSnax */
0x00D307A4, /* SPDSoaxn */
0x00D41D78, /* SSPxPDxax */
0x00D50CE9, /* DPSanan */
0x00D616EA, /* PSDPSaoxx */
0x00D70349, /* DPSxan */
0x00D80745, /* PDSPxax */
0x00D906E8, /* SDPSaoxn */
0x00DA1CE9, /* DPSDanax */
0x00DB0D75, /* SPxDSxan */
0x00DC0B04, /* SPDnao */
0x00DD0228, /* SDno */
0x00DE0268, /* SDPxo */
0x00DF08C8, /* SDPano */
0x00E003A5, /* PDSoa */
0x00E10185, /* PDSoxn */
0x00E20746, /* DSPDxax */
0x00E306EA, /* PSDPaoxn */
0x00E40748, /* SDPSxax */
0x00E506E5, /* PDSPaoxn */
0x00E61CE8, /* SDPSanax */
0x00E70D79, /* SPxPDxan */
0x00E81D74, /* SSPxDSxax */
0x00E95CE6, /* DSPDSanaxxn */
0x00EA02E9, /* DPSao */
0x00EB0849, /* DPSxno */
0x00EC02E8, /* SDPao */
0x00ED0848, /* SDPxno */
0x00EE0086, /* DSo */
0x00EF0A08, /* SDPnoo */
0x00F00021, /* P */
0x00F10885, /* PDSono */
0x00F20B05, /* PDSnao */
0x00F3022A, /* PSno */
0x00F40B0A, /* PSDnao */
0x00F50225, /* PDno */
0x00F60265, /* PDSxo */
0x00F708C5, /* PDSano */
0x00F802E5, /* PDSao */
0x00F90845, /* PDSxno */
0x00FA0089, /* DPo */
0x00FB0A09, /* DPSnoo */
0x00FC008A, /* PSo */
0x00FD0A0A, /* PSDnoo */
0x00FE02A9, /* DPSoo */
0x00FF0062 /* 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 = ConvertColor(srcColor, SrcFormat, gdi->dstFormat, &gdi->palette);
return TRUE;
}
/* GDI Helper Functions */
INLINE DWORD gdi_rop3_code(BYTE code)
{
return rop3_code_table[code];
}
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;
rdpGdi* gdi;
rdpCodecs* codecs;
if (!context || !bitmapUpdate || !context->gdi || !context->codecs)
return FALSE;
gdi = context->gdi;
codecs = context->codecs;
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] =
GetColor(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);
UINT32 nXSrc = 0;
UINT32 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)
{
brushFormat = gdi_get_pixel_format(brush->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)
gdi_DeleteObject((HGDIOBJECT) hBmp);
else
{
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) 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;
gdi_CRgnToRect(opaque_rect->nLeftRect, opaque_rect->nTopRect,
opaque_rect->nWidth, opaque_rect->nHeight, &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];
gdi_CRgnToRect(rectangle->left, rectangle->top,
rectangle->width, rectangle->height, &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;
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;
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_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_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)
{
brushFormat = gdi_get_pixel_format(brush->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->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;
}
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)
{
DWORD format;
rdpGdi* gdi;
if (!context || !cmd)
return FALSE;
gdi = context->gdi;
WLog_Print(gdi->log, WLOG_DEBUG,
"destLeft %"PRIu32" destTop %"PRIu32" destRight %"PRIu32" destBottom %"PRIu32" "
"bpp %"PRIu32" codecID %"PRIu32" width %"PRIu32" height %"PRIu32" length %"PRIu32"",
cmd->destLeft, cmd->destTop, cmd->destRight, cmd->destBottom,
cmd->bpp, cmd->codecID, cmd->width, cmd->height, cmd->bitmapDataLength);
switch (cmd->codecID)
{
case RDP_CODEC_ID_REMOTEFX:
if (!rfx_process_message(context->codecs->rfx, cmd->bitmapData,
cmd->bitmapDataLength,
cmd->destLeft, cmd->destTop,
gdi->primary_buffer, gdi->dstFormat,
gdi->stride, gdi->height, NULL))
{
WLog_ERR(TAG, "Failed to process RemoteFX message");
return FALSE;
}
break;
case RDP_CODEC_ID_NSCODEC:
format = gdi->dstFormat;
if (!nsc_process_message(context->codecs->nsc, cmd->bpp, cmd->width,
cmd->height, cmd->bitmapData,
cmd->bitmapDataLength, gdi->primary_buffer,
format, gdi->stride, cmd->destLeft, cmd->destTop,
cmd->width, cmd->height, FREERDP_FLIP_VERTICAL))
return FALSE;
break;
case RDP_CODEC_ID_NONE:
format = gdi_get_pixel_format(cmd->bpp);
if (!freerdp_image_copy(gdi->primary_buffer, gdi->dstFormat, gdi->stride,
cmd->destLeft, cmd->destTop, cmd->width, cmd->height,
cmd->bitmapData, format, 0, 0, 0,
&gdi->palette, FREERDP_FLIP_VERTICAL))
return FALSE;
break;
default:
WLog_ERR(TAG, "Unsupported codecID %"PRIu32"", cmd->codecID);
break;
}
if (!gdi_InvalidateRegion(gdi->primary->hdc, cmd->destLeft, cmd->destTop,
cmd->width, cmd->height))
{
WLog_ERR(TAG, "Failed to update invalid region");
return FALSE;
}
return TRUE;
}
/**
* 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);
}
gdi->stride = gdi->primary->bitmap->scanline;
if (!gdi->primary->bitmap)
goto fail_bitmap;
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 (gdi->width == width && gdi->height == height &&
(!buffer || gdi->primary_buffer == buffer))
return TRUE;
if (gdi->drawing == gdi->primary)
gdi->drawing = NULL;
gdi->width = width;
gdi->height = 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",
GetColorFormatName(gdi->dstFormat));
WLog_Print(gdi->log, WLOG_INFO, "Remote framebuffer format %s",
GetColorFormatName(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;
if (!freerdp_client_codecs_prepare(context->codecs, FREERDP_CODEC_ALL,
gdi->width, gdi->height))
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;
}
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