/**

 * FreeRDP: A Remote Desktop Protocol Implementation

 * 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.

 */

#ifndef FREERDP_LIB_GDI_CORE_H

#define FREERDP_LIB_GDI_CORE_H

#include <winpr/cast.h>

#include "graphics.h"

#include "brush.h"

#include <freerdp/api.h>

WINPR_ATTR_NODISCARD

FREERDP_LOCAL BOOL gdi_bitmap_update(rdpContext* context, const BITMAP_UPDATE* bitmapUpdate);

FREERDP_LOCAL void gdi_bitmap_free_ex(gdiBitmap* gdi_bmp);

WINPR_ATTR_MALLOC(gdi_bitmap_free_ex, 1)

WINPR_ATTR_NODISCARD

FREERDP_LOCAL gdiBitmap* gdi_bitmap_new_ex(rdpGdi* gdi, int width, int height, int bpp, BYTE* data);

WINPR_ATTR_NODISCARD

static inline BYTE* gdi_get_bitmap_pointer(HGDI_DC hdcBmp, INT32 x, INT32 y)

{

  HGDI_BITMAP hBmp = (HGDI_BITMAP)hdcBmp->selectedObject;

  if ((x >= 0) && (y >= 0) && (x < hBmp->width) && (y < hBmp->height))

  {

    BYTE* p = hBmp->data + (WINPR_ASSERTING_INT_CAST(size_t, y) * hBmp->scanline) +

              (WINPR_ASSERTING_INT_CAST(size_t, x) * FreeRDPGetBytesPerPixel(hdcBmp->format));

    return p;

  }

  else

  {

    WLog_ERR(FREERDP_TAG("gdi"),

             "gdi_get_bitmap_pointer: requesting invalid pointer: (%" PRId32 ",%" PRId32

             ") in %" PRId32 "x%" PRId32 "",

             x, y, hBmp->width, hBmp->height);

    return 0;

  }

}

Unexecuted instantiation: bitmap.c:gdi_get_bitmap_pointer

Unexecuted instantiation: gdi.c:gdi_get_bitmap_pointer

Unexecuted instantiation: shape.c:gdi_get_bitmap_pointer

/**

 * Get current color in brush bitmap according to dest coordinates. msdn{dd183396}

 *

 * @param x dest x-coordinate

 * @param y dest y-coordinate

 * @return color pointer

 */

WINPR_ATTR_NODISCARD

static inline BYTE* gdi_get_brush_pointer(HGDI_DC hdcBrush, UINT32 x, UINT32 y)

{

  BYTE* p = NULL;

  UINT32 brushStyle = gdi_GetBrushStyle(hdcBrush);

  switch (brushStyle)

  {

    case GDI_BS_PATTERN:

    case GDI_BS_HATCHED:

    {

      HGDI_BITMAP hBmpBrush = hdcBrush->brush->pattern;

      /* According to msdn{dd183396}, the system always positions a brush bitmap

       * at the brush origin and copy across the client area.

       * Calculate the offset of the mapped pixel in the brush bitmap according to

       * brush origin and dest coordinates */

      const UINT32 w = WINPR_ASSERTING_INT_CAST(UINT32, hBmpBrush->width);

      const UINT32 h = WINPR_ASSERTING_INT_CAST(UINT32, hBmpBrush->height);

      WINPR_ASSERT(w > 0);

      WINPR_ASSERT(h > 0);

      x = (x + w - (WINPR_ASSERTING_INT_CAST(UINT32, hdcBrush->brush->nXOrg) % w)) % w;

      y = (y + h - (WINPR_ASSERTING_INT_CAST(UINT32, hdcBrush->brush->nYOrg) % h)) % h;

      p = hBmpBrush->data + (1ULL * y * hBmpBrush->scanline) +

          (1ULL * x * FreeRDPGetBytesPerPixel(hBmpBrush->format));

      return p;

    }

    default:

      break;

  }

  p = (BYTE*)&(hdcBrush->textColor);

  return p;

}

Unexecuted instantiation: bitmap.c:gdi_get_brush_pointer

Unexecuted instantiation: gdi.c:gdi_get_brush_pointer

Unexecuted instantiation: shape.c:gdi_get_brush_pointer

#endif /* FREERDP_LIB_GDI_CORE_H */