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FreeRDP/libfreerdp-gdi/gdi.c
Marc-André Moreau 70ebd47cc4 libfreerdp-gdi: start updating with new interface
2011-07-28 01:17:17 -04:00

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/**
* FreeRDP: A Remote Desktop Protocol Client
* GDI Library
*
* Copyright 2010-2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* 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 <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <freerdp/freerdp.h>
#include "color.h"
#include "decode.h"
#include "gdi_dc.h"
#include "gdi_pen.h"
#include "gdi_line.h"
#include "gdi_shape.h"
#include "gdi_brush.h"
#include "gdi_region.h"
#include "gdi_bitmap.h"
#include "gdi_palette.h"
#include "gdi_drawing.h"
#include "gdi_clipping.h"
#include "gdi.h"
/* Ternary Raster Operation Table */
const uint32 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 */
};
/* GDI Helper Functions */
uint32
gdi_rop3_code(uint8 code)
{
return rop3_code_table[code];
}
void
gdi_copy_mem(uint8 * d, uint8 * s, int n)
{
memcpy(d, s, n);
}
void
gdi_copy_mem_backwards(uint8 * d, uint8 * s, int n)
{
d = (d + n) - 1;
s = (s + n) - 1;
while (n & (~7))
{
*(d--) = *(s--);
*(d--) = *(s--);
*(d--) = *(s--);
*(d--) = *(s--);
*(d--) = *(s--);
*(d--) = *(s--);
*(d--) = *(s--);
*(d--) = *(s--);
n = n - 8;
}
while (n > 0)
{
*(d--) = *(s--);
n--;
}
}
uint8*
gdi_get_bitmap_pointer(HGDI_DC hdcBmp, int x, int y)
{
uint8 * p;
HGDI_BITMAP hBmp = (HGDI_BITMAP) hdcBmp->selectedObject;
if (x >= 0 && x < hBmp->width && y >= 0 && y < hBmp->height)
{
p = hBmp->data + (y * hBmp->width * hdcBmp->bytesPerPixel) + (x * hdcBmp->bytesPerPixel);
return p;
}
else
{
printf("gdi_get_bitmap_pointer: requesting invalid pointer: (%d,%d) in %dx%d\n", x, y, hBmp->width, hBmp->height);
return 0;
}
}
uint8*
gdi_get_brush_pointer(HGDI_DC hdcBrush, int x, int y)
{
uint8 * p;
if (hdcBrush->brush != NULL)
{
if (hdcBrush->brush->style == GDI_BS_PATTERN)
{
HGDI_BITMAP hBmpBrush = hdcBrush->brush->pattern;
if (x >= 0 && y >= 0)
{
x = x % hBmpBrush->width;
y = y % hBmpBrush->height;
p = hBmpBrush->data + (y * hBmpBrush->scanline) + (x * hBmpBrush->bytesPerPixel);
return p;
}
}
}
p = (uint8*) &(hdcBrush->textColor);
return p;
}
int
gdi_is_mono_pixel_set(uint8* data, int x, int y, int width)
{
int byte;
int shift;
width = (width + 7) / 8;
byte = (y * width) + (x / 8);
shift = x % 8;
return (data[byte] & (0x80 >> shift)) != 0;
}
HGDI_BITMAP
gdi_create_bitmap(GDI* gdi, int width, int height, int bpp, uint8* data)
{
uint8* bmpData;
HGDI_BITMAP bitmap;
bmpData = gdi_image_convert(data, NULL, width, height, gdi->srcBpp, bpp, gdi->clrconv);
bitmap = gdi_CreateBitmap(width, height, gdi->dstBpp, bmpData);
return bitmap;
}
GDI_IMAGE*
gdi_bitmap_new(GDI *gdi, int width, int height, int bpp, uint8* data)
{
GDI_IMAGE *gdi_bmp;
gdi_bmp = (GDI_IMAGE*) malloc(sizeof(GDI_IMAGE));
gdi_bmp->hdc = gdi_CreateCompatibleDC(gdi->hdc);
DEBUG_GDI("gdi_bitmap_new: width:%d height:%d bpp:%d", width, height, bpp);
if (data == NULL)
{
gdi_bmp->bitmap = gdi_CreateCompatibleBitmap(gdi->hdc, width, height);
}
else
{
gdi_bmp->bitmap = gdi_create_bitmap(gdi, width, height, bpp, data);
}
gdi_SelectObject(gdi_bmp->hdc, (HGDIOBJECT) gdi_bmp->bitmap);
gdi_bmp->org_bitmap = NULL;
return gdi_bmp;
}
void
gdi_bitmap_free(GDI_IMAGE *gdi_bmp)
{
if (gdi_bmp != 0)
{
gdi_SelectObject(gdi_bmp->hdc, (HGDIOBJECT) gdi_bmp->org_bitmap);
gdi_DeleteObject((HGDIOBJECT) gdi_bmp->bitmap);
gdi_DeleteDC(gdi_bmp->hdc);
free(gdi_bmp);
}
}
#if 0
/* GDI callbacks registered in libfreerdp */
static void
gdi_ui_desktop_save(struct rdp_inst * inst, int offset, int x, int y, int cx, int cy)
{
DEBUG_GDI("gdi_ui_desktop_save");
}
static void
gdi_ui_desktop_restore(struct rdp_inst * inst, int offset, int x, int y, int cx, int cy)
{
DEBUG_GDI("gdi_ui_desktop_restore");
}
/**
* Create a new glyph.
* @param inst current instance
* @param width glyph width
* @param height glyph height
* @param data glyph data
* @return new glyph
*/
static FRDP_HGLYPH
gdi_ui_create_glyph(struct rdp_inst * inst, int width, int height, uint8 * data)
{
uint8* glyph;
GDI_IMAGE *gdi_bmp;
DEBUG_GDI("gdi_ui_create_glyph: width:%d height:%d", width, height);
gdi_bmp = (GDI_IMAGE*) malloc(sizeof(GDI_IMAGE));
gdi_bmp->hdc = gdi_GetDC();
gdi_bmp->hdc->bytesPerPixel = 1;
gdi_bmp->hdc->bitsPerPixel = 1;
glyph = gdi_glyph_convert(width, height, data);
gdi_bmp->bitmap = gdi_CreateBitmap(width, height, 1, glyph);
gdi_bmp->bitmap->bytesPerPixel = 1;
gdi_bmp->bitmap->bitsPerPixel = 1;
gdi_SelectObject(gdi_bmp->hdc, (HGDIOBJECT) gdi_bmp->bitmap);
gdi_bmp->org_bitmap = NULL;
return (FRDP_HGLYPH) gdi_bmp;
}
/**
* Destroy a glyph.
* @param inst current instance
* @param glyph glyph
*/
static void
gdi_ui_destroy_glyph(struct rdp_inst * inst, FRDP_HGLYPH glyph)
{
gdi_bitmap_free((GDI_IMAGE*) glyph);
}
/**
* Create a new bitmap.
* @param inst current instance
* @param width bitmap width
* @param height bitmap height
* @param data bitmap data
* @return new bitmap
*/
static FRDP_HBITMAP
gdi_ui_create_bitmap(struct rdp_inst * inst, int width, int height, uint8* data)
{
GDI_IMAGE *gdi_bmp;
GDI *gdi = GET_GDI(inst);
DEBUG_GDI("gdi_ui_create_bitmap: width:%d height:%d", width, height);
gdi_bmp = gdi_bitmap_new(gdi, width, height, gdi->dstBpp, data);
return (FRDP_HBITMAP) gdi_bmp;
}
/**
* Paint a bitmap without persisting it in the bitmap cache.
* @param inst current instance
* @param x x position
* @param y y position
* @param cx delta x
* @param cy delta y
* @param width bitmap width
* @param height bitmap height
* @param data bitmap data
*/
static void
gdi_ui_paint_bitmap(struct rdp_inst * inst, int x, int y, int cx, int cy, int width, int height, uint8 * data)
{
GDI_IMAGE *gdi_bmp;
GDI *gdi = GET_GDI(inst);
DEBUG_GDI("ui_paint_bitmap: x:%d y:%d cx:%d cy:%d", x, y, cx, cy);
gdi_bmp = (GDI_IMAGE*) inst->ui_create_bitmap(inst, width, height, data);
gdi_BitBlt(gdi->primary->hdc, x, y, cx, cy, gdi_bmp->hdc, 0, 0, GDI_SRCCOPY);
inst->ui_destroy_bitmap(inst, (FRDP_HBITMAP) gdi_bmp);
}
/**
* Destroy a bitmap.
* @param inst current instance
* @param bmp bitmap
*/
static void
gdi_ui_destroy_bitmap(struct rdp_inst * inst, FRDP_HBITMAP bmp)
{
gdi_bitmap_free((GDI_IMAGE*) bmp);
}
/**
* Draw a line using a pen.\n
* LineTo (LINETO_ORDER) @msdn{cc241589}
* @param inst current instance
* @param opcode raster operation code
* @param startx line starting x position
* @param starty line starting y position
* @param endx line ending x position
* @param endy line ending y position
* @param pen pen
*/
static void
gdi_ui_line(struct rdp_inst * inst, uint8 opcode, int startx, int starty, int endx, int endy, FRDP_PEN * pen)
{
HGDI_PEN hPen;
int cx, cy;
uint32 color;
GDI *gdi = GET_GDI(inst);
DEBUG_GDI("ui_line opcode:0x%02X startx:%d starty:%d endx:%d endy:%d", opcode, startx, starty, endx, endy);
cx = endx - startx + 1;
cy = endy - starty + 1;
color = gdi_color_convert(pen->color, gdi->srcBpp, 32, gdi->clrconv);
hPen = gdi_CreatePen(pen->style, pen->width, (GDI_COLOR) color);
gdi_SelectObject(gdi->drawing->hdc, (HGDIOBJECT) hPen);
gdi_SetROP2(gdi->drawing->hdc, opcode);
gdi_MoveToEx(gdi->drawing->hdc, startx, starty, NULL);
gdi_LineTo(gdi->drawing->hdc, endx, endy);
gdi_DeleteObject((HGDIOBJECT) hPen);
}
/**
* Draw a rectangle using a color.
* @param inst current instance
* @param x x position
* @param y y position
* @param cx delta x
* @param cy delta y
* @param color color
*/
static void
gdi_ui_rect(struct rdp_inst * inst, int x, int y, int cx, int cy, uint32 color)
{
GDI_RECT rect;
HGDI_BRUSH hBrush;
uint32 brush_color;
GDI *gdi = GET_GDI(inst);
DEBUG_GDI("ui_rect: x:%d y:%d cx:%d cy:%d", x, y, cx, cy);
gdi_CRgnToRect(x, y, cx, cy, &rect);
brush_color = gdi_color_convert(color, gdi->srcBpp, 32, gdi->clrconv);
hBrush = gdi_CreateSolidBrush(brush_color);
gdi_FillRect(gdi->drawing->hdc, &rect, hBrush);
gdi_DeleteObject((HGDIOBJECT) hBrush);
}
/**
* Draw a polygon using a brush.\n
* PolygonSC (POLYGON_SC_ORDER) @msdn{cc241594}\n
* PolygonCB (POLYGON_CB_ORDER) @msdn{cc241595}
* @param inst current instance
* @param opcode raster operation code
* @param fillmode fill mode
* @param point array of points
* @param npoints number of points
* @param brush brush
* @param bgcolor background color
* @param fgcolor foreground color
*/
static void
gdi_ui_polygon(struct rdp_inst * inst, uint8 opcode, uint8 fillmode, FRDP_POINT * point, int npoints, FRDP_BRUSH * brush, uint32 bgcolor, uint32 fgcolor)
{
DEBUG_GDI("ui_polygon");
}
/**
* Draw a solid color polyline.\n
* Polyline (POLYLINE_ORDER) @msdn{cc241596}
* @param inst current instance
* @param opcode raster operation code
* @param points array of points
* @param npoints number of points
* @param pen pen
*/
static void
gdi_ui_polyline(struct rdp_inst * inst, uint8 opcode, FRDP_POINT * points, int npoints, FRDP_PEN * pen)
{
int i;
HGDI_PEN hPen;
int cx, cy;
uint32 color;
GDI *gdi = GET_GDI(inst);
DEBUG_GDI("ui_polyline: opcode:%d npoints:%d", opcode, npoints);
color = gdi_color_convert(pen->color, gdi->srcBpp, 32, gdi->clrconv);
hPen = gdi_CreatePen(pen->style, pen->width, (GDI_COLOR) color);
gdi_SelectObject(gdi->drawing->hdc, (HGDIOBJECT) hPen);
gdi_SetROP2(gdi->drawing->hdc, opcode);
cx = points[0].x;
cy = points[0].y;
for(i = 1; i < npoints; i++)
{
gdi_MoveToEx(gdi->drawing->hdc, cx, cy, NULL);
cx += points[i].x;
cy += points[i].y;
gdi_LineTo(gdi->drawing->hdc, cx, cy);
}
gdi_DeleteObject((HGDIOBJECT) hPen);
}
/**
* Draw an ellipse using a brush.\n
* EclipseSC (ELLIPSE_SC_ORDER) @msdn{cc241597}\n
* EclipseCB (ELLIPSE_CB_ORDER) @msdn{cc241599}
* @param inst current instance
* @param opcode raster operation code
* @param fillmode fill mode
* @param x x position
* @param y y position
* @param cx delta x
* @param cy delta y
* @param brush brush
* @param bgcolor background color
* @param fgcolor foreground color
*/
static void
gdi_ui_ellipse(struct rdp_inst * inst, uint8 opcode, uint8 fillmode, int x, int y, int cx, int cy, FRDP_BRUSH * brush, uint32 bgcolor, uint32 fgcolor)
{
DEBUG_GDI("ui_ellipse");
}
/**
* Start drawing a set of glyphs.
* @param inst current instance
* @param bgcolor background color
* @param fgcolor foreground color
*/
static void
gdi_ui_start_draw_glyphs(struct rdp_inst * inst, uint32 bgcolor, uint32 fgcolor)
{
uint32 color;
GDI *gdi = GET_GDI(inst);
color = gdi_color_convert(fgcolor, gdi->srcBpp, 32, gdi->clrconv);
gdi->textColor = gdi_SetTextColor(gdi->drawing->hdc, color);
}
/**
* Draw a single glyph.
* @param inst current instance
* @param x x position
* @param y y position
* @param cx delta x
* @param cy delta y
* @param glyph glyph
*/
static void
gdi_ui_draw_glyph(struct rdp_inst * inst, int x, int y, int cx, int cy, FRDP_HGLYPH glyph)
{
GDI_IMAGE* gdi_bmp;
GDI *gdi = GET_GDI(inst);
gdi_bmp = (GDI_IMAGE*) glyph;
gdi_BitBlt(gdi->drawing->hdc, x, y, cx, cy, gdi_bmp->hdc, 0, 0, GDI_DSPDxax);
}
/**
* End drawing a set of glyphs.
* @param inst current instance
* @param x x position
* @param y y position
* @param cx delta x
* @param cy delta y
*/
static void
gdi_ui_end_draw_glyphs(struct rdp_inst * inst, int x, int y, int cx, int cy)
{
GDI *gdi = GET_GDI(inst);
gdi_SetTextColor(gdi->drawing->hdc, gdi->textColor);
}
/**
* DstBlt (DSTBLT_ORDER) primary drawing order.\n
* @msdn{cc241587}
* @param inst current instance
* @param opcode raster operation code
* @param x x position
* @param y y position
* @param cx delta x
* @param cy delta y
*/
static void
gdi_ui_destblt(struct rdp_inst * inst, uint8 opcode, int x, int y, int cx, int cy)
{
GDI *gdi = GET_GDI(inst);
DEBUG_GDI("ui_destblt: x: %d y: %d cx: %d cy: %d rop: 0x%X", x, y, cx, cy, rop3_code_table[opcode]);
gdi_BitBlt(gdi->drawing->hdc, x, y, cx, cy, NULL, 0, 0, gdi_rop3_code(opcode));
}
/**
* PatBlt (PATBLT_ORDER) primary drawing order.\n
* @msdn{cc241602}
* @param inst current instance
* @param opcode raster operation code
* @param x x position
* @param y y position
* @param cx delta x
* @param cy delta y
* @param brush brush
* @param bgcolor background color
* @param fgcolor foreground color
*/
static void
gdi_ui_patblt(struct rdp_inst * inst, uint8 opcode, int x, int y, int cx, int cy, FRDP_BRUSH * brush, uint32 bgcolor, uint32 fgcolor)
{
HGDI_BRUSH originalBrush;
GDI *gdi = GET_GDI(inst);
DEBUG_GDI("ui_patblt: x: %d y: %d cx: %d cy: %d rop: 0x%X", x, y, cx, cy, gdi_rop3_code(opcode));
if (brush->style == GDI_BS_PATTERN)
{
uint8* data;
HGDI_BITMAP hBmp;
if (brush->bd->color_code > 1)
data = gdi_image_convert(brush->bd->data, NULL, 8, 8, gdi->srcBpp, gdi->dstBpp, gdi->clrconv);
else
data = gdi_mono_image_convert(brush->bd->data, 8, 8, gdi->srcBpp, gdi->dstBpp, bgcolor, fgcolor, gdi->clrconv);
hBmp = gdi_CreateBitmap(8, 8, gdi->drawing->hdc->bitsPerPixel, data);
originalBrush = gdi->drawing->hdc->brush;
gdi->drawing->hdc->brush = gdi_CreatePatternBrush(hBmp);
gdi_PatBlt(gdi->drawing->hdc, x, y, cx, cy, gdi_rop3_code(opcode));
gdi_DeleteObject((HGDIOBJECT) gdi->drawing->hdc->brush);
gdi->drawing->hdc->brush = originalBrush;
}
else if (brush->style == GDI_BS_SOLID)
{
uint32 color;
originalBrush = gdi->drawing->hdc->brush;
color = gdi_color_convert(fgcolor, gdi->srcBpp, 32, gdi->clrconv);
gdi->drawing->hdc->brush = gdi_CreateSolidBrush(color);
gdi_PatBlt(gdi->drawing->hdc, x, y, cx, cy, gdi_rop3_code(opcode));
gdi_DeleteObject((HGDIOBJECT) gdi->drawing->hdc->brush);
gdi->drawing->hdc->brush = originalBrush;
}
else
{
printf("ui_patblt: unknown brush style: %d\n", brush->style);
}
}
/**
* ScrBlt (SCRBLT_ORDER) primary drawing order.\n
* @msdn{cc241606}
* @param inst current instance
* @param opcode raster operation code
* @param x x position
* @param y y position
* @param cx delta x
* @param cy delta y
* @param srcx source x position
* @param srcy source y position
*/
static void
gdi_ui_screenblt(struct rdp_inst * inst, uint8 opcode, int x, int y, int cx, int cy, int srcx, int srcy)
{
GDI *gdi = GET_GDI(inst);
DEBUG_GDI("gdi_ui_screenblt x:%d y:%d cx:%d cy:%d srcx:%d srcy:%d rop:0x%X",
x, y, cx, cy, srcx, srcy, rop3_code_table[opcode]);
gdi_BitBlt(gdi->drawing->hdc, x, y, cx, cy, gdi->primary->hdc, srcx, srcy, gdi_rop3_code(opcode));
}
/**
* MemBlt (MEMBLT_ORDER) primary drawing order.\n
* @msdn{cc241608}
* @param inst current instance
* @param opcode raster operation code
* @param x x position
* @param y y position
* @param cx delta x
* @param cy delta y
* @param src source bitmap
* @param srcx source bitmap x position
* @param srcy source bitmap y position
*/
static void
gdi_ui_memblt(struct rdp_inst * inst, uint8 opcode, int x, int y, int cx, int cy, FRDP_HBITMAP src, int srcx, int srcy)
{
GDI_IMAGE *gdi_bmp;
GDI *gdi = GET_GDI(inst);
DEBUG_GDI("gdi_ui_memblt: x:%d y:%d cx:%d cy:%d srcx:%d, srcy:%d rop:0x%X",
x, y, cx, cy, srcx, srcy, gdi_rop3_code(opcode));
gdi_bmp = (GDI_IMAGE*) src;
gdi_BitBlt(gdi->drawing->hdc, x, y, cx, cy, gdi_bmp->hdc, srcx, srcy, gdi_rop3_code(opcode));
}
/**
* Mem3Blt (MEM3BLT_ORDER) primary drawing order.\n
* @msdn{cc241588}
* @param inst current instance
* @param opcode raster operation code
* @param x x position
* @param y y position
* @param cx delta x
* @param cy delta y
* @param src source bitmap
* @param srcx source bitmap x position
* @param srcy source bitmap y position
* @param brush brush
* @param bgcolor background color
* @param fgcolor foreground color
*/
static void
gdi_ui_mem3blt(struct rdp_inst * inst, uint8 opcode, int x, int y, int cx, int cy,
FRDP_HBITMAP src, int srcx, int srcy, FRDP_BRUSH * brush, uint32 bgcolor, uint32 fgcolor)
{
DEBUG_GDI("gdi_ui_mem3blt opcode: 0x%X", rop3_code_table[opcode]);
}
/**
* Cache color table (CACHE_COLOR_TABLE_ORDER).\n
* @msdn{cc241617}
* @param inst current instance
* @param colors color table
* @return new palette created from color table
*/
static FRDP_HPALETTE
gdi_ui_create_palette(struct rdp_inst * inst, FRDP_PALETTE * palette)
{
DEBUG_GDI("gdi_ui_create_palette");
return (FRDP_HPALETTE) gdi_CreatePalette((HGDI_PALETTE) palette);
}
/**
* Set the current palette.
* @param inst current instance
* @param palette new color palette
*/
static void
gdi_ui_set_palette(struct rdp_inst * inst, FRDP_HPALETTE palette)
{
GDI *gdi = GET_GDI(inst);
DEBUG_GDI("gdi_ui_set_palette");
gdi->clrconv->palette = (FRDP_PALETTE*) palette;
}
/**
* Set current clipping region.
* @param inst current instance
* @param x x position
* @param y y position
* @param cx delta x
* @param cy delta y
*/
static void
gdi_ui_set_clipping_region(struct rdp_inst * inst, int x, int y, int cx, int cy)
{
GDI *gdi = GET_GDI(inst);
gdi_SetClipRgn(gdi->drawing->hdc, x, y, cx, cy);
}
/**
* Reset the current clipping region.
* @param inst current instance
*/
static void
gdi_ui_reset_clipping_region(struct rdp_inst * inst)
{
GDI *gdi = GET_GDI(inst);
gdi_SetNullClipRgn(gdi->drawing->hdc);
}
/**
* Create new drawing surface
* @param inst current instance
* @param width surface width
* @param height surface height
* @param old_surface old drawing surface
* @return new drawing surface
*/
static FRDP_HBITMAP
gdi_ui_create_surface(struct rdp_inst * inst, int width, int height, FRDP_HBITMAP old_surface)
{
GDI_IMAGE *gdi_bmp;
GDI_IMAGE *old_gdi_bmp;
GDI *gdi = GET_GDI(inst);
gdi_bmp = gdi_bitmap_new(gdi, width, height, gdi->dstBpp, NULL);
old_gdi_bmp = (GDI_IMAGE*) old_surface;
if (old_gdi_bmp != 0)
{
gdi_bitmap_free(old_gdi_bmp);
}
if (gdi->drawing == old_gdi_bmp)
{
gdi->drawing = gdi_bmp;
}
DEBUG_GDI("ui_create_surface");
return (FRDP_HBITMAP) gdi_bmp;
}
/**
* Switch Surface (SWITCH_SURFACE_ORDER).
* @msdn{cc241630}
* @param inst current instance
* @param surface new surface
*/
static void
gdi_ui_switch_surface(struct rdp_inst * inst, FRDP_HBITMAP surface)
{
GDI *gdi = GET_GDI(inst);
DEBUG_GDI("ui_switch_surface");
if (surface != 0)
{
gdi->drawing = (GDI_IMAGE*) surface;
}
else
{
gdi->drawing = (GDI_IMAGE*) gdi->primary;
}
}
/**
* Destroy a surface.
* @param inst
* @param surface
*/
static void
gdi_ui_destroy_surface(struct rdp_inst * inst, FRDP_HBITMAP surface)
{
GDI *gdi = GET_GDI(inst);
DEBUG_GDI("ui_destroy_surface");
if (gdi->drawing == surface)
{
gdi->drawing = gdi->primary;
}
if (surface != 0)
{
gdi_bitmap_free((GDI_IMAGE*) surface);
}
}
static int
gdi_ui_decode(struct rdp_inst * inst, uint8 * data, int size)
{
GDI *gdi = GET_GDI(inst);
gdi_decode_data(gdi, data, size);
return 0;
}
#endif
/**
* Register GDI callbacks with libfreerdp.
* @param inst current instance
* @return
*/
void gdi_register_update_callbacks(rdpUpdate* update)
{
update->Bitmap = NULL;
update->Palette = NULL;
update->DstBlt = NULL;
update->PatBlt = NULL;
update->ScrBlt = NULL;
update->DrawNineGrid = NULL;
update->MultiDrawNineGrid = NULL;
update->LineTo = NULL;
update->OpaqueRect = NULL;
update->SaveBitmap = NULL;
update->MemBlt = NULL;
update->Mem3Blt = NULL;
update->MultiDstBlt = NULL;
update->MultiPatBlt = NULL;
update->MultiScrBlt = NULL;
update->MultiOpaqueRect = NULL;
update->FastIndex = NULL;
update->PolygonSC = NULL;
update->PolygonCB = NULL;
update->Polyline = NULL;
update->FastGlyph = NULL;
update->EllipseSC = NULL;
update->EllipseCB = NULL;
update->GlyphIndex = NULL;
}
/**
* Initialize GDI
* @param inst current instance
* @return
*/
int gdi_init(freerdp* instance, uint32 flags)
{
GDI *gdi = (GDI*) malloc(sizeof(GDI));
memset(gdi, 0, sizeof(GDI));
SET_GDI(instance, gdi);
gdi->width = instance->settings->width;
gdi->height = instance->settings->height;
gdi->srcBpp = instance->settings->color_depth;
/* default internal buffer format */
gdi->dstBpp = 32;
gdi->bytesPerPixel = 4;
if (gdi->srcBpp > 16)
{
if (flags & CLRBUF_32BPP)
{
gdi->dstBpp = 32;
gdi->bytesPerPixel = 4;
}
else if (flags & CLRBUF_16BPP)
{
gdi->dstBpp = 16;
gdi->bytesPerPixel = 2;
}
}
else
{
if (flags & CLRBUF_16BPP)
{
gdi->dstBpp = 16;
gdi->bytesPerPixel = 2;
}
else if (flags & CLRBUF_32BPP)
{
gdi->dstBpp = 32;
gdi->bytesPerPixel = 4;
}
}
gdi->hdc = gdi_GetDC();
gdi->hdc->bitsPerPixel = gdi->dstBpp;
gdi->hdc->bytesPerPixel = gdi->bytesPerPixel;
gdi->clrconv = (HCLRCONV) malloc(sizeof(CLRCONV));
gdi->clrconv->palette = NULL;
gdi->clrconv->alpha = (flags & CLRCONV_ALPHA) ? 1 : 0;
gdi->clrconv->invert = (flags & CLRCONV_INVERT) ? 1 : 0;
gdi->clrconv->rgb555 = (flags & CLRCONV_RGB555) ? 1 : 0;
gdi->hdc->alpha = gdi->clrconv->alpha;
gdi->hdc->invert = gdi->clrconv->invert;
gdi->hdc->rgb555 = gdi->clrconv->rgb555;
gdi->primary = gdi_bitmap_new(gdi, gdi->width, gdi->height, gdi->dstBpp, NULL);
gdi->primary_buffer = gdi->primary->bitmap->data;
gdi->drawing = gdi->primary;
gdi->primary->hdc->hwnd = (HGDI_WND) malloc(sizeof(GDI_WND));
gdi->primary->hdc->hwnd->invalid = gdi_CreateRectRgn(0, 0, 0, 0);
gdi->primary->hdc->hwnd->invalid->null = 1;
gdi->tile = gdi_bitmap_new(gdi, 64, 64, 32, NULL);
gdi_register_update_callbacks(instance->update);
return 0;
}
void gdi_free(freerdp* instance)
{
GDI *gdi = GET_GDI(instance);
if (gdi)
{
gdi_bitmap_free(gdi->primary);
gdi_DeleteDC(gdi->hdc);
free(gdi->clrconv);
free(gdi);
}
SET_GDI(instance, NULL);
}
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