Sweden-Number/dlls/uxtheme/buffer.c

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/*
* uxtheme Double-buffered Drawing API
*
* Copyright (C) 2008 Reece H. Dunn
* Copyright 2017 Nikolay Sivov for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdlib.h>
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "wingdi.h"
#include "vfwmsgs.h"
#include "uxtheme.h"
#include "wine/debug.h"
#include "wine/heap.h"
WINE_DEFAULT_DEBUG_CHANNEL(uxtheme);
struct paintbuffer
{
HDC targetdc;
HDC memorydc;
HBITMAP bitmap;
RECT rect;
void *bits;
};
static void free_paintbuffer(struct paintbuffer *buffer)
{
DeleteObject(buffer->bitmap);
DeleteDC(buffer->memorydc);
heap_free(buffer);
}
static struct paintbuffer *get_buffer_obj(HPAINTBUFFER handle)
{
return handle;
}
/***********************************************************************
* BufferedPaintInit (UXTHEME.@)
*/
HRESULT WINAPI BufferedPaintInit(VOID)
{
FIXME("Stub ()\n");
return S_OK;
}
/***********************************************************************
* BufferedPaintUnInit (UXTHEME.@)
*/
HRESULT WINAPI BufferedPaintUnInit(VOID)
{
FIXME("Stub ()\n");
return S_OK;
}
/***********************************************************************
* BeginBufferedPaint (UXTHEME.@)
*/
HPAINTBUFFER WINAPI BeginBufferedPaint(HDC targetdc, const RECT *rect,
BP_BUFFERFORMAT format, BP_PAINTPARAMS *params, HDC *retdc)
{
char bmibuf[FIELD_OFFSET(BITMAPINFO, bmiColors[256])];
BITMAPINFO *bmi = (BITMAPINFO *)bmibuf;
struct paintbuffer *buffer;
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TRACE("(%p %s %d %p %p)\n", targetdc, wine_dbgstr_rect(rect), format,
params, retdc);
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if (retdc)
*retdc = NULL;
if (!targetdc || IsRectEmpty(rect))
return NULL;
if (params)
FIXME("painting parameters are ignored\n");
buffer = heap_alloc(sizeof(*buffer));
buffer->targetdc = targetdc;
buffer->rect = *rect;
buffer->memorydc = CreateCompatibleDC(targetdc);
switch (format)
{
case BPBF_COMPATIBLEBITMAP:
buffer->bitmap = CreateCompatibleBitmap(targetdc, rect->right - rect->left, rect->bottom - rect->top);
buffer->bits = NULL;
break;
case BPBF_DIB:
case BPBF_TOPDOWNDIB:
case BPBF_TOPDOWNMONODIB:
/* create DIB section */
memset(bmi, 0, sizeof(bmibuf));
bmi->bmiHeader.biSize = sizeof(bmi->bmiHeader);
bmi->bmiHeader.biHeight = format == BPBF_DIB ? rect->bottom - rect->top :
-(rect->bottom - rect->top);
bmi->bmiHeader.biWidth = rect->right - rect->left;
bmi->bmiHeader.biBitCount = format == BPBF_TOPDOWNMONODIB ? 1 : 32;
bmi->bmiHeader.biPlanes = 1;
bmi->bmiHeader.biCompression = BI_RGB;
buffer->bitmap = CreateDIBSection(buffer->memorydc, bmi, DIB_RGB_COLORS, &buffer->bits, NULL, 0);
break;
default:
WARN("Unknown buffer format %d\n", format);
buffer->bitmap = NULL;
free_paintbuffer(buffer);
return NULL;
}
if (!buffer->bitmap)
{
WARN("Failed to create buffer bitmap\n");
free_paintbuffer(buffer);
return NULL;
}
SetWindowOrgEx(buffer->memorydc, rect->left, rect->top, NULL);
IntersectClipRect(buffer->memorydc, rect->left, rect->top, rect->right, rect->bottom);
DeleteObject(SelectObject(buffer->memorydc, buffer->bitmap));
*retdc = buffer->memorydc;
return (HPAINTBUFFER)buffer;
}
/***********************************************************************
* EndBufferedPaint (UXTHEME.@)
*/
HRESULT WINAPI EndBufferedPaint(HPAINTBUFFER bufferhandle, BOOL update)
{
struct paintbuffer *buffer = get_buffer_obj(bufferhandle);
TRACE("(%p %d)\n", bufferhandle, update);
if (!buffer)
return E_INVALIDARG;
if (update)
{
if (!BitBlt(buffer->targetdc, buffer->rect.left, buffer->rect.top,
buffer->rect.right - buffer->rect.left, buffer->rect.bottom - buffer->rect.top,
buffer->memorydc, buffer->rect.left, buffer->rect.top, SRCCOPY))
{
WARN("BitBlt() failed\n");
}
}
free_paintbuffer(buffer);
return S_OK;
}
/***********************************************************************
* BufferedPaintClear (UXTHEME.@)
*/
HRESULT WINAPI BufferedPaintClear(HPAINTBUFFER hBufferedPaint, const RECT *prc)
{
FIXME("Stub (%p %p)\n", hBufferedPaint, prc);
return E_NOTIMPL;
}
/***********************************************************************
* BufferedPaintSetAlpha (UXTHEME.@)
*/
HRESULT WINAPI BufferedPaintSetAlpha(HPAINTBUFFER hBufferedPaint, const RECT *prc, BYTE alpha)
{
FIXME("Stub (%p %p %u)\n", hBufferedPaint, prc, alpha);
return E_NOTIMPL;
}
/***********************************************************************
* GetBufferedPaintBits (UXTHEME.@)
*/
HRESULT WINAPI GetBufferedPaintBits(HPAINTBUFFER bufferhandle, RGBQUAD **bits, int *width)
{
struct paintbuffer *buffer = get_buffer_obj(bufferhandle);
TRACE("(%p %p %p)\n", buffer, bits, width);
if (!bits || !width)
return E_POINTER;
if (!buffer || !buffer->bits)
return E_FAIL;
*bits = buffer->bits;
*width = buffer->rect.right - buffer->rect.left;
return S_OK;
}
/***********************************************************************
* GetBufferedPaintDC (UXTHEME.@)
*/
HDC WINAPI GetBufferedPaintDC(HPAINTBUFFER bufferhandle)
{
struct paintbuffer *buffer = get_buffer_obj(bufferhandle);
TRACE("(%p)\n", buffer);
return buffer ? buffer->memorydc : NULL;
}
/***********************************************************************
* GetBufferedPaintTargetDC (UXTHEME.@)
*/
HDC WINAPI GetBufferedPaintTargetDC(HPAINTBUFFER bufferhandle)
{
struct paintbuffer *buffer = get_buffer_obj(bufferhandle);
TRACE("(%p)\n", buffer);
return buffer ? buffer->targetdc : NULL;
}
/***********************************************************************
* GetBufferedPaintTargetRect (UXTHEME.@)
*/
HRESULT WINAPI GetBufferedPaintTargetRect(HPAINTBUFFER bufferhandle, RECT *rect)
{
struct paintbuffer *buffer = get_buffer_obj(bufferhandle);
TRACE("(%p %p)\n", buffer, rect);
if (!rect)
return E_POINTER;
if (!buffer)
return E_FAIL;
*rect = buffer->rect;
return S_OK;
}
/***********************************************************************
* BeginBufferedAnimation (UXTHEME.@)
*/
HANIMATIONBUFFER WINAPI BeginBufferedAnimation(HWND hwnd, HDC hdcTarget, const RECT *rcTarget,
BP_BUFFERFORMAT dwFormat, BP_PAINTPARAMS *pPaintParams,
BP_ANIMATIONPARAMS *pAnimationParams, HDC *phdcFrom,
HDC *phdcTo)
{
FIXME("Stub (%p %p %p %u %p %p %p %p)\n", hwnd, hdcTarget, rcTarget, dwFormat,
pPaintParams, pAnimationParams, phdcFrom, phdcTo);
return NULL;
}
/***********************************************************************
* BufferedPaintRenderAnimation (UXTHEME.@)
*/
BOOL WINAPI BufferedPaintRenderAnimation(HWND hwnd, HDC hdcTarget)
{
FIXME("Stub (%p %p)\n", hwnd, hdcTarget);
return FALSE;
}
/***********************************************************************
* BufferedPaintStopAllAnimations (UXTHEME.@)
*/
HRESULT WINAPI BufferedPaintStopAllAnimations(HWND hwnd)
{
FIXME("Stub (%p)\n", hwnd);
return E_NOTIMPL;
}
/***********************************************************************
* EndBufferedAnimation (UXTHEME.@)
*/
HRESULT WINAPI EndBufferedAnimation(HANIMATIONBUFFER hbpAnimation, BOOL fUpdateTarget)
{
FIXME("Stub (%p %u)\n", hbpAnimation, fUpdateTarget);
return E_NOTIMPL;
}