b2177dc8c3
This will make sure we get an appropriate error message in case of memory allocation error, and not just a "Segmentation Fault" Added some validation on xzalloc return in serial_tty_new to properly deallocate resources when an error occurs.
97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Client
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* GDI Brush Functions
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*
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* Copyright 2010-2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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*/
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/* GDI Brush Functions: http://msdn.microsoft.com/en-us/library/dd183395/ */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <freerdp/freerdp.h>
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#include <freerdp/gdi/gdi.h>
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#include <freerdp/gdi/32bpp.h>
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#include <freerdp/gdi/16bpp.h>
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#include <freerdp/gdi/8bpp.h>
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#include <freerdp/gdi/brush.h>
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p_PatBlt PatBlt_[5] =
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{
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NULL,
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PatBlt_8bpp,
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PatBlt_16bpp,
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NULL,
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PatBlt_32bpp
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};
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/**
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* Create a new solid brush.\n
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* @msdn{dd183518}
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* @param crColor brush color
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* @return new brush
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*/
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HGDI_BRUSH gdi_CreateSolidBrush(GDI_COLOR crColor)
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{
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HGDI_BRUSH hBrush = (HGDI_BRUSH) xmalloc(sizeof(GDI_BRUSH));
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hBrush->objectType = GDIOBJECT_BRUSH;
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hBrush->style = GDI_BS_SOLID;
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hBrush->color = crColor;
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return hBrush;
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}
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/**
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* Create a new pattern brush.\n
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* @msdn{dd183508}
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* @param hbmp pattern bitmap
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* @return new brush
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*/
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HGDI_BRUSH gdi_CreatePatternBrush(HGDI_BITMAP hbmp)
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{
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HGDI_BRUSH hBrush = (HGDI_BRUSH) xmalloc(sizeof(GDI_BRUSH));
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hBrush->objectType = GDIOBJECT_BRUSH;
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hBrush->style = GDI_BS_PATTERN;
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hBrush->pattern = hbmp;
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return hBrush;
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}
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/**
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* Perform a pattern blit operation on the given pixel buffer.\n
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* @msdn{dd162778}
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* @param hdc device context
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* @param nXLeft x1
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* @param nYLeft y1
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* @param nWidth width
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* @param nHeight height
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* @param rop raster operation code
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* @return 1 if successful, 0 otherwise
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*/
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int gdi_PatBlt(HGDI_DC hdc, int nXLeft, int nYLeft, int nWidth, int nHeight, int rop)
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{
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p_PatBlt _PatBlt = PatBlt_[IBPP(hdc->bitsPerPixel)];
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if (_PatBlt != NULL)
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return _PatBlt(hdc, nXLeft, nYLeft, nWidth, nHeight, rop);
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else
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return 0;
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}
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