本文整理汇总了C++中IDirectFBSurface::SetDrawingFlags方法的典型用法代码示例。如果您正苦于以下问题：C++ IDirectFBSurface::SetDrawingFlags方法的具体用法？C++ IDirectFBSurface::SetDrawingFlags怎么用？C++ IDirectFBSurface::SetDrawingFlags使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IDirectFBSurface的用法示例。
在下文中一共展示了IDirectFBSurface::SetDrawingFlags方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: SetBlendMode
static int
PrepareDraw(SDL_Renderer * renderer)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
IDirectFBSurface *destsurf = data->target;
Uint8 r, g, b, a;
r = renderer->r;
g = renderer->g;
b = renderer->b;
a = renderer->a;
SetBlendMode(data, renderer->blendMode, NULL);
SDL_DFB_CHECKERR(destsurf->SetDrawingFlags(destsurf, data->drawFlags));
switch (renderer->blendMode) {
case SDL_BLENDMODE_NONE:
/* case SDL_BLENDMODE_MASK: */
case SDL_BLENDMODE_BLEND:
break;
case SDL_BLENDMODE_ADD:
case SDL_BLENDMODE_MOD:
r = ((int) r * (int) a) / 255;
g = ((int) g * (int) a) / 255;
b = ((int) b * (int) a) / 255;
a = 255;
break;
}
SDL_DFB_CHECKERR(destsurf->SetColor(destsurf, r, g, b, a));
return 0;
error:
return -1;
}示例2: surface_set_drawing_flags
static mrb_value surface_set_drawing_flags(mrb_state *mrb, mrb_value self)
{
IDirectFBSurface* surface = mrb_directfb_surface(mrb, self);
DFBResult ret = -1;
if (surface != NULL) {
mrb_int flags;
mrb_get_args(mrb, "i", &flags);
ret = surface->SetDrawingFlags(surface, flags);
}
return mrb_fixnum_value(ret);
}示例3: LoadFont
void
DirectFB_WM_RedrawLayout(_THIS, SDL_Window * window)
{
SDL_DFB_WINDOWDATA(window);
IDirectFBSurface *s = windata->window_surface;
DFB_Theme *t = &windata->theme;
int i;
int d = (t->caption_size - t->font_size) / 2;
int x, y, w;
if (!windata->is_managed || (window->flags & SDL_WINDOW_FULLSCREEN))
return;
SDL_DFB_CHECK(s->SetSrcBlendFunction(s, DSBF_ONE));
SDL_DFB_CHECK(s->SetDstBlendFunction(s, DSBF_ZERO));
SDL_DFB_CHECK(s->SetDrawingFlags(s, DSDRAW_NOFX));
SDL_DFB_CHECK(s->SetBlittingFlags(s, DSBLIT_NOFX));
LoadFont(_this, window);
/* s->SetDrawingFlags(s, DSDRAW_BLEND); */
s->SetColor(s, COLOR_EXPAND(t->frame_color));
/* top */
for (i = 0; i < t->top_size; i++)
s->DrawLine(s, 0, i, windata->size.w, i);
/* bottom */
for (i = windata->size.h - t->bottom_size; i < windata->size.h; i++)
s->DrawLine(s, 0, i, windata->size.w, i);
/* left */
for (i = 0; i < t->left_size; i++)
s->DrawLine(s, i, 0, i, windata->size.h);
/* right */
for (i = windata->size.w - t->right_size; i < windata->size.w; i++)
s->DrawLine(s, i, 0, i, windata->size.h);
/* Caption */
s->SetColor(s, COLOR_EXPAND(t->caption_color));
s->FillRectangle(s, t->left_size, t->top_size, windata->client.w,
t->caption_size);
/* Close Button */
w = t->caption_size;
x = windata->size.w - t->right_size - w + d;
y = t->top_size + d;
s->SetColor(s, COLOR_EXPAND(t->close_color));
DrawTriangle(s, 1, x, y, w - 2 * d);
/* Max Button */
s->SetColor(s, COLOR_EXPAND(t->max_color));
DrawTriangle(s, window->flags & SDL_WINDOW_MAXIMIZED ? 1 : 0, x - w,
y, w - 2 * d);
/* Caption */
if (*window->title) {
s->SetColor(s, COLOR_EXPAND(t->font_color));
DrawCraption(_this, s, (x - w) / 2, t->top_size + d, window->title);
}
/* Icon */
if (windata->icon) {
DFBRectangle dr;
dr.x = t->left_size + d;
dr.y = t->top_size + d;
dr.w = w - 2 * d;
dr.h = w - 2 * d;
s->SetBlittingFlags(s, DSBLIT_BLEND_ALPHACHANNEL);
s->StretchBlit(s, windata->icon, NULL, &dr);
}
windata->wm_needs_redraw = 0;
}示例4: print_usage
//.........这里部分代码省略.........
ret = provider->GetSurfaceDescription( provider, &desc );
if (ret) {
D_DERROR( ret, "DFBTest/Blit: IDirectFBImageProvider::GetSurfaceDescription() failed!\n" );
goto out;
}
if (source_format != DSPF_UNKNOWN)
desc.pixelformat = source_format;
D_INFO( "DFBTest/Blit: Source is %dx%d using %s\n",
desc.width, desc.height, dfb_pixelformat_name(desc.pixelformat) );
/* Create a surface for the image. */
ret = dfb->CreateSurface( dfb, &desc, &source );
if (ret) {
D_DERROR( ret, "DFBTest/Blit: IDirectFB::CreateSurface() failed!\n" );
goto out;
}
ret = provider->RenderTo( provider, source, NULL );
if (ret) {
D_DERROR( ret, "DFBTest/Blit: IDirectFBImageProvider::RenderTo() failed!\n" );
goto out;
}
/* Fill description for a primary surface. */
desc.flags = DSDESC_CAPS;
desc.caps = DSCAPS_PRIMARY | DSCAPS_FLIPPING;
if (dest_format != DSPF_UNKNOWN) {
desc.flags |= DSDESC_PIXELFORMAT;
desc.pixelformat = dest_format;
}
if (dest_resize)
desc.flags |= DSDESC_WIDTH | DSDESC_HEIGHT;
dfb->SetCooperativeLevel( dfb, DFSCL_FULLSCREEN );
/* Create a primary surface. */
ret = dfb->CreateSurface( dfb, &desc, &dest );
if (ret) {
D_DERROR( ret, "DFBTest/Blit: IDirectFB::CreateSurface() failed!\n" );
goto out;
}
dest->GetSize( dest, &desc.width, &desc.height );
dest->GetPixelFormat( dest, &desc.pixelformat );
D_INFO( "DFBTest/Blit: Destination is %dx%d using %s\n",
desc.width, desc.height, dfb_pixelformat_name(desc.pixelformat) );
for (i=0; i<100000; i++) {
int j,n = rand()%100;
for (j=0; j<n; j++) {
switch (rand()%3) {
case 0:
dest->SetDrawingFlags( dest, rand() & (DSDRAW_BLEND) );
dest->FillRectangle( dest, rand()%100, rand()%100, rand()%100, rand()%100 );
break;
case 1:
dest->SetBlittingFlags( dest, rand() & (DSBLIT_BLEND_ALPHACHANNEL |
DSBLIT_BLEND_COLORALPHA |
DSBLIT_COLORIZE |
DSBLIT_ROTATE90) );
dest->Blit( dest, source, NULL, rand()%100, rand()%100 );
break;
case 2:
dest->SetBlittingFlags( dest, rand() & (DSBLIT_BLEND_ALPHACHANNEL |
DSBLIT_BLEND_COLORALPHA |
DSBLIT_COLORIZE |
DSBLIT_ROTATE90) );
dest->StretchBlit( dest, source, NULL, NULL );
break;
}
}
dfb->WaitIdle( dfb );
dest->Flip( dest, NULL, DSFLIP_NONE );
}
out:
if (dest)
dest->Release( dest );
if (source)
source->Release( source );
if (provider)
provider->Release( provider );
/* Shutdown DirectFB. */
dfb->Release( dfb );
return ret;
}