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* FreeRDP: A Remote Desktop Protocol Client
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* X11 Graphical Objects
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* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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#include <X11/Xutil.h>
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#include <X11/Xcursor/Xcursor.h>
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#include <freerdp/codec/bitmap.h>
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#include "xf_graphics.h"
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void xf_Bitmap_New(rdpContext* context, rdpBitmap* bitmap)
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xfInfo* xfi = ((xfContext*) context)->xfi;
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XSetFunction(xfi->display, xfi->gc, GXcopy);
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pixmap = XCreatePixmap(xfi->display, xfi->drawable, bitmap->width, bitmap->height, xfi->depth);
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if (bitmap->data != NULL)
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data = freerdp_image_convert(bitmap->data, NULL,
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bitmap->width, bitmap->height, xfi->srcBpp, xfi->bpp, xfi->clrconv);
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if (bitmap->ephemeral != true)
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image = XCreateImage(xfi->display, xfi->visual, xfi->depth,
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ZPixmap, 0, (char*) data, bitmap->width, bitmap->height, xfi->scanline_pad, 0);
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XPutImage(xfi->display, pixmap, xfi->gc, image, 0, 0, 0, 0, bitmap->width, bitmap->height);
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if (data != bitmap->data)
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if (data != bitmap->data)
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((xfBitmap*) bitmap)->pixmap = pixmap;
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void xf_Bitmap_Free(rdpContext* context, rdpBitmap* bitmap)
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xfInfo* xfi = ((xfContext*) context)->xfi;
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if (((xfBitmap*) bitmap)->pixmap != 0)
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XFreePixmap(xfi->display, ((xfBitmap*) bitmap)->pixmap);
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void xf_Bitmap_Paint(rdpContext* context, rdpBitmap* bitmap)
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xfInfo* xfi = ((xfContext*) context)->xfi;
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width = bitmap->right - bitmap->left + 1;
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height = bitmap->bottom - bitmap->top + 1;
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XSetFunction(xfi->display, xfi->gc, GXcopy);
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image = XCreateImage(xfi->display, xfi->visual, xfi->depth,
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ZPixmap, 0, (char*) bitmap->data, bitmap->width, bitmap->height, xfi->scanline_pad, 0);
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XPutImage(xfi->display, xfi->primary, xfi->gc,
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image, 0, 0, bitmap->left, bitmap->top, width, height);
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if (xfi->remote_app != true)
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XCopyArea(xfi->display, xfi->primary, xfi->drawable, xfi->gc,
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bitmap->left, bitmap->top, width, height, bitmap->left, bitmap->top);
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gdi_InvalidateRegion(xfi->hdc, bitmap->left, bitmap->top, width, height);
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void xf_Bitmap_Decompress(rdpContext* context, rdpBitmap* bitmap,
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uint8* data, int width, int height, int bpp, int length, boolean compressed)
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size = width * height * (bpp + 7) / 8;
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if (bitmap->data == NULL)
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bitmap->data = (uint8*) xmalloc(size);
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bitmap->data = (uint8*) xrealloc(bitmap->data, size);
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status = bitmap_decompress(data, bitmap->data, width, height, length, bpp, bpp);
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printf("Bitmap Decompression Failed\n");
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freerdp_image_flip(data, bitmap->data, width, height, bpp);
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bitmap->compressed = false;
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bitmap->length = size;
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void xf_Bitmap_SetSurface(rdpContext* context, rdpBitmap* bitmap, boolean primary)
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xfInfo* xfi = ((xfContext*) context)->xfi;
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xfi->drawing = xfi->primary;
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xfi->drawing = ((xfBitmap*) bitmap)->pixmap;
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void xf_Pointer_New(rdpContext* context, rdpPointer* pointer)
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xfInfo* xfi = ((xfContext*) context)->xfi;
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memset(&ci, 0, sizeof(ci));
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ci.version = XCURSOR_IMAGE_VERSION;
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ci.size = sizeof(ci);
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ci.width = pointer->width;
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ci.height = pointer->height;
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ci.xhot = pointer->xPos;
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ci.yhot = pointer->yPos;
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ci.pixels = (XcursorPixel*) malloc(ci.width * ci.height * 4);
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memset(ci.pixels, 0, ci.width * ci.height * 4);
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if ((pointer->andMaskData != 0) && (pointer->xorMaskData != 0))
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freerdp_alpha_cursor_convert((uint8*) (ci.pixels), pointer->xorMaskData, pointer->andMaskData,
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pointer->width, pointer->height, pointer->xorBpp, xfi->clrconv);
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((xfPointer*) pointer)->cursor = XcursorImageLoadCursor(xfi->display, &ci);
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void xf_Pointer_Free(rdpContext* context, rdpPointer* pointer)
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xfInfo* xfi = ((xfContext*) context)->xfi;
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if (((xfPointer*) pointer)->cursor != 0)
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XFreeCursor(xfi->display, ((xfPointer*) pointer)->cursor);
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void xf_Pointer_Set(rdpContext* context, rdpPointer* pointer)
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xfInfo* xfi = ((xfContext*) context)->xfi;
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/* in RemoteApp mode, window can be null if none has had focus */
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if (xfi->window != NULL)
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XDefineCursor(xfi->display, xfi->window->handle, ((xfPointer*) pointer)->cursor);
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void xf_Glyph_New(rdpContext* context, rdpGlyph* glyph)
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xf_glyph = (xfGlyph*) glyph;
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xfi = ((xfContext*) context)->xfi;
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scanline = (glyph->cx + 7) / 8;
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xf_glyph->pixmap = XCreatePixmap(xfi->display, xfi->drawing, glyph->cx, glyph->cy, 1);
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image = XCreateImage(xfi->display, xfi->visual, 1,
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ZPixmap, 0, (char*) glyph->aj, glyph->cx, glyph->cy, 8, scanline);
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image->byte_order = MSBFirst;
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image->bitmap_bit_order = MSBFirst;
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XPutImage(xfi->display, xf_glyph->pixmap, xfi->gc_mono, image, 0, 0, 0, 0, glyph->cx, glyph->cy);
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void xf_Glyph_Free(rdpContext* context, rdpGlyph* glyph)
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xfInfo* xfi = ((xfContext*) context)->xfi;
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if (((xfGlyph*) glyph)->pixmap != 0)
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XFreePixmap(xfi->display, ((xfGlyph*) glyph)->pixmap);
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void xf_Glyph_Draw(rdpContext* context, rdpGlyph* glyph, int x, int y)
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xfInfo* xfi = ((xfContext*) context)->xfi;
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xf_glyph = (xfGlyph*) glyph;
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XSetStipple(xfi->display, xfi->gc, xf_glyph->pixmap);
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XSetTSOrigin(xfi->display, xfi->gc, x, y);
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XFillRectangle(xfi->display, xfi->drawing, xfi->gc, x, y, glyph->cx, glyph->cy);
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XSetStipple(xfi->display, xfi->gc, xfi->bitmap_mono);
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void xf_Glyph_BeginDraw(rdpContext* context, int x, int y, int width, int height, uint32 bgcolor, uint32 fgcolor)
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xfInfo* xfi = ((xfContext*) context)->xfi;
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bgcolor = (xfi->clrconv->invert)?
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freerdp_color_convert_var_bgr(bgcolor, xfi->srcBpp, 32, xfi->clrconv):
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freerdp_color_convert_var_rgb(bgcolor, xfi->srcBpp, 32, xfi->clrconv);
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fgcolor = (xfi->clrconv->invert)?
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freerdp_color_convert_var_bgr(fgcolor, xfi->srcBpp, 32, xfi->clrconv):
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freerdp_color_convert_var_rgb(fgcolor, xfi->srcBpp, 32, xfi->clrconv);
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XSetFunction(xfi->display, xfi->gc, GXcopy);
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XSetFillStyle(xfi->display, xfi->gc, FillSolid);
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XSetForeground(xfi->display, xfi->gc, fgcolor);
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XFillRectangle(xfi->display, xfi->drawing, xfi->gc, x, y, width, height);
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XSetForeground(xfi->display, xfi->gc, bgcolor);
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XSetBackground(xfi->display, xfi->gc, fgcolor);
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XSetFillStyle(xfi->display, xfi->gc, FillStippled);
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void xf_Glyph_EndDraw(rdpContext* context, int x, int y, int width, int height, uint32 bgcolor, uint32 fgcolor)
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xfInfo* xfi = ((xfContext*) context)->xfi;
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if (xfi->drawing == xfi->primary)
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if (xfi->remote_app != true)
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XCopyArea(xfi->display, xfi->primary, xfi->drawable, xfi->gc, x, y, width, height, x, y);
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gdi_InvalidateRegion(xfi->hdc, x, y, width, height);
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/* Graphics Module */
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void xf_register_graphics(rdpGraphics* graphics)
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bitmap = xnew(rdpBitmap);
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bitmap->size = sizeof(xfBitmap);
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bitmap->New = xf_Bitmap_New;
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bitmap->Free = xf_Bitmap_Free;
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bitmap->Paint = xf_Bitmap_Paint;
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bitmap->Decompress = xf_Bitmap_Decompress;
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bitmap->SetSurface = xf_Bitmap_SetSurface;
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graphics_register_bitmap(graphics, bitmap);
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pointer = xnew(rdpPointer);
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pointer->size = sizeof(xfPointer);
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pointer->New = xf_Pointer_New;
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pointer->Free = xf_Pointer_Free;
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pointer->Set = xf_Pointer_Set;
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graphics_register_pointer(graphics, pointer);
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glyph = xnew(rdpGlyph);
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glyph->size = sizeof(xfGlyph);
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glyph->New = xf_Glyph_New;
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glyph->Free = xf_Glyph_Free;
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glyph->Draw = xf_Glyph_Draw;
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glyph->BeginDraw = xf_Glyph_BeginDraw;
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glyph->EndDraw = xf_Glyph_EndDraw;
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graphics_register_glyph(graphics, glyph);