buffer.c File Reference

#include "uxthemep.h"
#include <wine/heap.h>

Include dependency graph for buffer.c:

Go to the source code of this file.

Classes
struct	paintbuffer

Functions
static void	free_paintbuffer (struct paintbuffer *buffer)
static struct paintbuffer *	get_buffer_obj (HPAINTBUFFER handle)
HRESULT WINAPI	BufferedPaintInit (VOID)
HRESULT WINAPI	BufferedPaintUnInit (VOID)
HPAINTBUFFER WINAPI	BeginBufferedPaint (HDC targetdc, const RECT *rect, BP_BUFFERFORMAT format, BP_PAINTPARAMS *params, HDC *retdc)
HRESULT WINAPI	EndBufferedPaint (HPAINTBUFFER bufferhandle, BOOL update)
HRESULT WINAPI	BufferedPaintClear (HPAINTBUFFER hBufferedPaint, const RECT *prc)
HRESULT WINAPI	BufferedPaintSetAlpha (HPAINTBUFFER hBufferedPaint, const RECT *prc, BYTE alpha)
HRESULT WINAPI	GetBufferedPaintBits (HPAINTBUFFER bufferhandle, RGBQUAD **bits, int *width)
HDC WINAPI	GetBufferedPaintDC (HPAINTBUFFER bufferhandle)
HDC WINAPI	GetBufferedPaintTargetDC (HPAINTBUFFER bufferhandle)
HRESULT WINAPI	GetBufferedPaintTargetRect (HPAINTBUFFER bufferhandle, RECT *rect)
HANIMATIONBUFFER WINAPI	BeginBufferedAnimation (HWND hwnd, HDC hdcTarget, const RECT *rcTarget, BP_BUFFERFORMAT dwFormat, BP_PAINTPARAMS *pPaintParams, BP_ANIMATIONPARAMS *pAnimationParams, HDC *phdcFrom, HDC *phdcTo)
BOOL WINAPI	BufferedPaintRenderAnimation (HWND hwnd, HDC hdcTarget)
HRESULT WINAPI	BufferedPaintStopAllAnimations (HWND hwnd)
HRESULT WINAPI	EndBufferedAnimation (HANIMATIONBUFFER hbpAnimation, BOOL fUpdateTarget)

Function Documentation

BeginBufferedAnimation()

HANIMATIONBUFFER WINAPI BeginBufferedAnimation	(	HWND	hwnd,
		HDC	hdcTarget,
		const RECT *	rcTarget,
		BP_BUFFERFORMAT	dwFormat,
		BP_PAINTPARAMS *	pPaintParams,
		BP_ANIMATIONPARAMS *	pAnimationParams,
		HDC *	phdcFrom,
		HDC *	phdcTo
	)

Definition at line 249 of file buffer.c.

{
    FIXME("Stub (%p %p %p %u %p %p %p %p)\n", hwnd, hdcTarget, rcTarget, dwFormat,
          pPaintParams, pAnimationParams, phdcFrom, phdcTo);
 
    return NULL;
}

BeginBufferedPaint()

HPAINTBUFFER WINAPI BeginBufferedPaint	(	HDC	targetdc,
		const RECT *	rect,
		BP_BUFFERFORMAT	format,
		BP_PAINTPARAMS *	params,
		HDC *	retdc
	)

Definition at line 66 of file buffer.c.

{
#if (defined(_MSC_VER))
    char bmibuf[FIELD_OFFSET(BITMAPINFO, bmiColors) + 256 * sizeof(RGBQUAD)];
#else
    char bmibuf[FIELD_OFFSET(BITMAPINFO, bmiColors[256])];
#endif
    BITMAPINFO *bmi = (BITMAPINFO *)bmibuf;
    struct paintbuffer *buffer;
 
    TRACE("(%p %s %d %p %p)\n", targetdc, wine_dbgstr_rect(rect), format,
          params, retdc);
 
    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;
}

Referenced by init_funcs().

BufferedPaintClear()

HRESULT WINAPI BufferedPaintClear	(	HPAINTBUFFER	hBufferedPaint,
		const RECT *	prc
	)

Definition at line 167 of file buffer.c.

{
    FIXME("Stub (%p %p)\n", hBufferedPaint, prc);
    return E_NOTIMPL;
}

Referenced by init_funcs().

BufferedPaintInit()

HRESULT WINAPI BufferedPaintInit

(

VOID

)

Definition at line 48 of file buffer.c.

{
    FIXME("Stub ()\n");
    return S_OK;
}

BufferedPaintRenderAnimation()

BOOL WINAPI BufferedPaintRenderAnimation	(	HWND	hwnd,
		HDC	hdcTarget
	)

Definition at line 263 of file buffer.c.

{
    FIXME("Stub (%p %p)\n", hwnd, hdcTarget);
 
    return FALSE;
}

BufferedPaintSetAlpha()

HRESULT WINAPI BufferedPaintSetAlpha	(	HPAINTBUFFER	hBufferedPaint,
		const RECT *	prc,
		BYTE	alpha
	)

Definition at line 176 of file buffer.c.

{
    FIXME("Stub (%p %p %u)\n", hBufferedPaint, prc, alpha);
    return E_NOTIMPL;
}

BufferedPaintStopAllAnimations()

HRESULT WINAPI BufferedPaintStopAllAnimations

(

HWND

hwnd

)

Definition at line 273 of file buffer.c.

{
    FIXME("Stub (%p)\n", hwnd);
 
    return E_NOTIMPL;
}

BufferedPaintUnInit()

HRESULT WINAPI BufferedPaintUnInit

(

VOID

)

Definition at line 57 of file buffer.c.

{
    FIXME("Stub ()\n");
    return S_OK;
}

EndBufferedAnimation()

HRESULT WINAPI EndBufferedAnimation	(	HANIMATIONBUFFER	hbpAnimation,
		BOOL	fUpdateTarget
	)

Definition at line 283 of file buffer.c.

{
    FIXME("Stub (%p %u)\n", hbpAnimation, fUpdateTarget);
 
    return E_NOTIMPL;
}

EndBufferedPaint()

HRESULT WINAPI EndBufferedPaint	(	HPAINTBUFFER	bufferhandle,
		BOOL	update
	)

Definition at line 141 of file buffer.c.

{
    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;
}

Referenced by init_funcs().

free_paintbuffer()

static void free_paintbuffer ( struct paintbuffer *  buffer )

static

Definition at line 33 of file buffer.c.

{
    DeleteObject(buffer->bitmap);
    DeleteDC(buffer->memorydc);
    heap_free(buffer);
}

Referenced by BeginBufferedPaint(), and EndBufferedPaint().

get_buffer_obj()

static struct paintbuffer * get_buffer_obj ( HPAINTBUFFER  handle )

static

Definition at line 40 of file buffer.c.

{
    return handle;
}

Referenced by EndBufferedPaint(), GetBufferedPaintBits(), GetBufferedPaintDC(), GetBufferedPaintTargetDC(), and GetBufferedPaintTargetRect().

GetBufferedPaintBits()

HRESULT WINAPI GetBufferedPaintBits	(	HPAINTBUFFER	bufferhandle,
		RGBQUAD **	bits,
		int *	width
	)

Definition at line 185 of file buffer.c.

{
    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;
}

Referenced by init_funcs().

GetBufferedPaintDC()

HDC WINAPI GetBufferedPaintDC

(

HPAINTBUFFER

bufferhandle

)

Definition at line 206 of file buffer.c.

{
    struct paintbuffer *buffer = get_buffer_obj(bufferhandle);
 
    TRACE("(%p)\n", buffer);
 
    return buffer ? buffer->memorydc : NULL;
}

Referenced by init_funcs().

GetBufferedPaintTargetDC()

HDC WINAPI GetBufferedPaintTargetDC

(

HPAINTBUFFER

bufferhandle

)

Definition at line 218 of file buffer.c.

{
    struct paintbuffer *buffer = get_buffer_obj(bufferhandle);
 
    TRACE("(%p)\n", buffer);
 
    return buffer ? buffer->targetdc : NULL;
}

Referenced by init_funcs().

GetBufferedPaintTargetRect()

HRESULT WINAPI GetBufferedPaintTargetRect	(	HPAINTBUFFER	bufferhandle,
		RECT *	rect
	)

Definition at line 230 of file buffer.c.

{
    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;
}

Referenced by init_funcs().