/**
*
* Sets logiWIN desired rectangle.
*
* @param lw is a pointer to the logiWIN device parameter structure.
* @param x is a upper left coordinate of the cropping/output rectangle.
* @param y is a upper right coordinate of the cropping/output rectangle.
* @param w is a width of the cropping/output rectangle.
* @param h is a height of the cropping/output rectangle.
* @param rect_type a flag for choosing between cropping and output rectangle.
*
* @return None.
*
* @note None.
*
*****************************************************************************/
void logiwin_set_rect_parameters(struct logiwin_priv *lw,
unsigned long x, unsigned long y,
unsigned long w, unsigned long h,
enum logiwin_rectangle rect_type)
{
struct logiwin_rect out_rect;
if ((x % lw->out_byte_align))
x = x & lw->out_byte_align_mask;
if ((w % lw->out_byte_align))
w = w & lw->out_byte_align_mask;
switch (rect_type) {
case CROPPING_RECTANGLE:
lw->in_crop_rect.x = x;
lw->in_crop_rect.y = y;
lw->in_crop_rect.width = w;
lw->in_crop_rect.height = h;
crop_rect(&lw->in_crop_rect, &lw->in_bounds_rect);
break;
case OUTPUT_RECTANGLE:
lw->out_rect.x = x & lw->out_byte_align_mask;
lw->out_rect.y = y;
lw->out_rect.width = w & lw->out_byte_align_mask;
lw->out_rect.height = h;
out_rect.x = 0;
out_rect.y = 0;
out_rect.width = lw->max_out_hres;
out_rect.height = lw->max_out_vres;
crop_rect(&lw->out_rect, &out_rect);
if (lw->weave_deinterlace) {
lw->out_rect.y /= 2;
lw->out_rect.height /= 2;
}
break;
case INBOUNDS_RECTANGLE:
lw->in_bounds_rect.x = x;
lw->in_bounds_rect.y = y;
lw->in_bounds_rect.width = w;
lw->in_bounds_rect.height = h;
crop_rect(&lw->in_crop_rect, &lw->in_bounds_rect);
break;
}
}
static void ConstructCommands(const hwc_layer_1 *layers, size_t num_layers,
std::vector<RenderingCommand> *commands) {
std::vector<FRect> in_rects;
std::vector<FRectSet> out_rects;
int i;
for (unsigned rect_index = 0; rect_index < num_layers; rect_index++) {
const hwc_layer_1 &layer = layers[rect_index];
FRect rect;
in_rects.push_back(FRect(layer.displayFrame.left, layer.displayFrame.top,
layer.displayFrame.right,
layer.displayFrame.bottom));
}
seperate_frects_64(in_rects, &out_rects);
for (unsigned rect_index = 0; rect_index < out_rects.size(); rect_index++) {
const FRectSet &out_rect = out_rects[rect_index];
commands->push_back(RenderingCommand());
RenderingCommand &cmd = commands->back();
memcpy(cmd.bounds, out_rect.rect.bounds, sizeof(cmd.bounds));
uint64_t tex_set = out_rect.id_set.getBits();
for (unsigned i = num_layers - 1; tex_set != 0x0; i--) {
if (tex_set & (0x1 << i)) {
tex_set &= ~(0x1 << i);
const hwc_layer_1 &layer = layers[i];
FRect display_rect(layer.displayFrame.left, layer.displayFrame.top,
layer.displayFrame.right, layer.displayFrame.bottom);
float display_size[2] = {
display_rect.bounds[2] - display_rect.bounds[0],
display_rect.bounds[3] - display_rect.bounds[1]};
FRect crop_rect(layer.sourceCropf.left, layer.sourceCropf.top,
layer.sourceCropf.right, layer.sourceCropf.bottom);
float crop_size[2] = {crop_rect.bounds[2] - crop_rect.bounds[0],
crop_rect.bounds[3] - crop_rect.bounds[1]};
RenderingCommand::TextureSource &src = cmd.textures[cmd.texture_count];
cmd.texture_count++;
src.texture_index = i;
for (int b = 0; b < 4; b++) {
float bound_percent = (cmd.bounds[b] - display_rect.bounds[b % 2]) /
display_size[b % 2];
src.crop_bounds[b] =
crop_rect.bounds[b % 2] + bound_percent * crop_size[b % 2];
}
if (layer.blending == HWC_BLENDING_NONE) {
src.alpha = 1.0f;
// This layer is opaque. There is no point in using layers below this
// one.
break;
}
src.alpha = layer.planeAlpha / 255.0f;
}
}
}
}
virtual void onDraw(SkCanvas* canvas) {
SkAutoTUnref<SkColorFilter> cf(
SkColorFilter::CreateModeFilter(SK_ColorBLUE, SkXfermode::kSrcIn_Mode));
SkImageFilter::CropRect crop_rect(
SkRect::Make(SkIRect::MakeXYWH(10, 10, 44, 44)),
SkImageFilter::CropRect::kHasAll_CropEdge);
SkBitmap gradient_circle, checkerboard;
make_gradient_circle(64, 64, &gradient_circle);
make_checkerboard(&checkerboard);
SkAutoTUnref<SkImageFilter> gradient_circle_source(
SkBitmapSource::Create(gradient_circle));
SkAutoTUnref<SkImageFilter> noop_cropped(
SkOffsetImageFilter::Create(0, 0, NULL, &crop_rect));
SkScalar sk255 = SkIntToScalar(255);
SkScalar matrix[20] = { 1, 0, 0, 0, 0,
0, 1, 0, 0, sk255,
0, 0, 1, 0, 0,
0, 0, 0, 0, sk255 };
SkAutoTUnref<SkColorFilter> cf_alpha_trans(SkColorMatrixFilter::Create(matrix));
SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64));
SkScalar MARGIN = SkIntToScalar(12);
SkIRect bounds;
r.roundOut(&bounds);
SkPaint paint;
canvas->translate(MARGIN, MARGIN);
for (int outset = -15; outset <= 20; outset += 5) {
canvas->save();
SkRect rect = crop_rect.rect();
rect.outset(SkIntToScalar(outset),
SkIntToScalar(outset));
SkImageFilter::CropRect big_rect(rect, SkImageFilter::CropRect::kHasAll_CropEdge);
draw(canvas, checkerboard, rect, SkColorFilterImageFilter::Create(
cf_alpha_trans, noop_cropped.get(), &big_rect));
draw(canvas, checkerboard, rect, SkBlurImageFilter::Create(
8.0f, 8.0f, noop_cropped.get(), &big_rect));
draw(canvas, checkerboard, rect, SkDilateImageFilter::Create(
2, 2, noop_cropped.get(), &big_rect));
draw(canvas, checkerboard, rect, SkErodeImageFilter::Create(
2, 2, noop_cropped.get(), &big_rect));
draw(canvas, checkerboard, rect, SkDropShadowImageFilter::Create(
SkIntToScalar(10), SkIntToScalar(10), SkIntToScalar(3), SkIntToScalar(3),
SK_ColorBLUE, noop_cropped.get(), &big_rect));
draw(canvas, checkerboard, rect, SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkIntToScalar(12),
gradient_circle_source.get(),
noop_cropped.get(),
&big_rect));
draw(canvas, checkerboard, rect, SkOffsetImageFilter::Create(
SkIntToScalar(-8), SkIntToScalar(16), noop_cropped.get(), &big_rect));
canvas->restore();
canvas->translate(0, SkIntToScalar(80));
}
}