static int DirectFB_RenderDrawLines(SDL_Renderer * renderer,
const SDL_FPoint * points, int count)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
IDirectFBSurface *destsurf = data->target;
DFBRegion clip_region;
int i;
DirectFB_ActivateRenderer(renderer);
PrepareDraw(renderer);
/* Use antialiasing when available */
#if (DFB_VERSION_ATLEAST(1,2,0))
SDL_DFB_CHECKERR(destsurf->SetRenderOptions(destsurf, DSRO_ANTIALIAS));
#endif
destsurf->GetClip(destsurf, &clip_region);
for (i=0; i < count - 1; i++) {
int x1 = points[i].x + clip_region.x1;
int y1 = points[i].y + clip_region.y1;
int x2 = points[i + 1].x + clip_region.x1;
int y2 = points[i + 1].y + clip_region.y1;
SDL_DFB_CHECKERR(destsurf->DrawLine(destsurf, x1, y1, x2, y2));
}
return 0;
error:
return -1;
}
static int
DirectFB_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
IDirectFBSurface *destsurf = data->target;
DFBRegion clip_region;
int i;
DirectFB_ActivateRenderer(renderer);
PrepareDraw(renderer);
destsurf->GetClip(destsurf, &clip_region);
for (i=0; i<count; i++) {
SDL_Rect dst = {rects[i]->x, rects[i]->y, rects[i]->w, rects[i]->h};
dst.x += clip_region.x1;
dst.y += clip_region.y1;
SDL_DFB_CHECKERR(destsurf->DrawRectangle(destsurf, dst.x, dst.y,
dst.w, dst.h));
}
return 0;
error:
return -1;
}
bool CScrollBar::OnCreate(CREATESTRUCT *pCS)
{
if (!m_sb.Create<RScrollBar>(m_hWnd, m_bHorz))
{ASSERT(false); return false;}
PrepareDraw();
return true;
}
void CScrollBar::OnPrefChanged()
{
PrepareDraw();
RECT rc;
GetClientRect(m_hWnd, &rc);
OnSize(0, (WORD)rc.right, (WORD)rc.bottom);
}
static int
DirectFB_RenderPoint(SDL_Renderer * renderer, int x, int y)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
SDL_DFB_WINDOWSURFACE(data->window);
DFBResult ret;
PrepareDraw(renderer);
SDL_DFB_CHECKERR(destsurf->DrawLine(destsurf, x, y, x, y));
return 0;
error:
return -1;
}
void CGraph::PreviewDxfGraph()
{
PrepareDraw();
m_hOldDrawPointPen = (HPEN)::SelectObject(m_hMemDC, m_hDrawPointPen);
for(int i = 0; i < g_ptrGraphArray.GetSize(); ++i)
{
(g_ptrGraphArray.GetAt(i))->Draw(m_hMemDC, CRect(0, 0, m_cxStaticWidth, m_cxStaticWidth), FRAME_EDAGE_OFFSET);
}
::SelectObject(m_hMemDC, m_hOldDrawPointPen);
::BitBlt(m_hGraphDC, 0, 0, m_cxStaticWidth, m_cyStaticHeight, m_hMemDC, 0, 0, SRCCOPY);
OverDraw();
}
int
DirectFB_RenderClear(SDL_Renderer * renderer)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
IDirectFBSurface *destsurf = data->target;
DirectFB_ActivateRenderer(renderer);
PrepareDraw(renderer);
destsurf->Clear(destsurf, renderer->r, renderer->g, renderer->b, renderer->a);
return 0;
}
static int
DirectFB_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
SDL_DFB_WINDOWSURFACE(data->window);
DFBResult ret;
PrepareDraw(renderer);
SDL_DFB_CHECKERR(destsurf->FillRectangle(destsurf, rect->x, rect->y,
rect->w, rect->h));
return 0;
error:
return -1;
}
static int DirectFB_RenderDrawPoints(SDL_Renderer * renderer,
const SDL_Point * points, int count)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
IDirectFBSurface *destsurf = get_dfb_surface(data->window);
int i;
DirectFB_ActivateRenderer(renderer);
PrepareDraw(renderer);
for (i=0; i < count; i++)
SDL_DFB_CHECKERR(destsurf->DrawLine(destsurf, points[i].x, points[i].y, points[i].x, points[i].y));
return 0;
error:
return -1;
}
static int
DirectFB_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2, int y2)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
SDL_DFB_WINDOWSURFACE(data->window);
DFBResult ret;
PrepareDraw(renderer);
/* Use antialiasing when available */
#if (DFB_VERSION_ATLEAST(1,2,0))
SDL_DFB_CHECKERR(destsurf->SetRenderOptions(destsurf, DSRO_ANTIALIAS));
#endif
SDL_DFB_CHECKERR(destsurf->DrawLine(destsurf, x1, y1, x2, y2));
return 0;
error:
return -1;
}
static int
DirectFB_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
IDirectFBSurface *destsurf = get_dfb_surface(data->window);
int i;
DirectFB_ActivateRenderer(renderer);
PrepareDraw(renderer);
for (i=0; i<count; i++)
SDL_DFB_CHECKERR(destsurf->DrawRectangle(destsurf, rects[i]->x, rects[i]->y,
rects[i]->w, rects[i]->h));
return 0;
error:
return -1;
}
void CScrollBar::OnSize(DWORD type, WORD cx, WORD cy)
{
if (m_bWindowsDefault)
{
MoveWindow(m_sb, 0, 0, cx, cy);
return;
}
int cxPrev = m_mdc.cx;
int cyPrev = m_mdc.cy;
VERIFY(m_mdc.Create(cx, cy));
if ((m_bHorz && cy != cyPrev) || (!m_bHorz && cx != cxPrev))
PrepareDraw();
CalcRects();
Draw();
}
static int DirectFB_RenderDrawPoints(SDL_Renderer * renderer,
const SDL_FPoint * points, int count)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
IDirectFBSurface *destsurf = data->target;
DFBRegion clip_region;
int i;
DirectFB_ActivateRenderer(renderer);
PrepareDraw(renderer);
destsurf->GetClip(destsurf, &clip_region);
for (i=0; i < count; i++) {
int x = points[i].x + clip_region.x1;
int y = points[i].y + clip_region.y1;
SDL_DFB_CHECKERR(destsurf->DrawLine(destsurf, x, y, x, y));
}
return 0;
error:
return -1;
}
static int DirectFB_RenderDrawLines(SDL_Renderer * renderer,
const SDL_Point * points, int count)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
IDirectFBSurface *destsurf = get_dfb_surface(data->window);
int i;
DirectFB_ActivateRenderer(renderer);
PrepareDraw(renderer);
/* Use antialiasing when available */
#if (DFB_VERSION_ATLEAST(1,2,0))
SDL_DFB_CHECKERR(destsurf->SetRenderOptions(destsurf, DSRO_ANTIALIAS));
#endif
for (i=0; i < count - 1; i++)
SDL_DFB_CHECKERR(destsurf->DrawLine(destsurf, points[i].x, points[i].y, points[i+1].x, points[i+1].y));
return 0;
error:
return -1;
}
void CGraph::GraphMain(void)
{
//绘图开启标识
if (m_uChGraphPaintFlag)
{
//绘制图形
if(m_hGraphWnd == NULL)
return;
PrepareDraw();
DrawPoint();
::BitBlt(m_hGraphDC, 0, 0, m_cxStaticWidth, m_cyStaticHeight, m_hMemDC, 0, 0, SRCCOPY);
//::StretchBlt(m_hGraphDC, 0, 0, m_cxStaticWidth, m_cyStaticHeight, m_hMemDC,
// m_GraphPointMinX, m_GraphPointMinY, m_GraphPointMaxX, m_GraphPointMaxY, SRCCOPY);
OverDraw();
}
}
