diff options
Diffstat (limited to 'views/controls/image_view.cc')
-rw-r--r-- | views/controls/image_view.cc | 76 |
1 files changed, 30 insertions, 46 deletions
diff --git a/views/controls/image_view.cc b/views/controls/image_view.cc index d35585e..9728332 100644 --- a/views/controls/image_view.cc +++ b/views/controls/image_view.cc @@ -49,6 +49,12 @@ bool ImageView::GetImageSize(gfx::Size* image_size) { return image_size_set_; } +gfx::Rect ImageView::GetImageBounds() const { + gfx::Size image_size(image_size_set_ ? + image_size_ : gfx::Size(image_.width(), image_.height())); + return gfx::Rect(ComputeImageOrigin(image_size), image_size); +} + void ImageView::ResetImageSize() { image_size_set_ = false; } @@ -65,74 +71,52 @@ gfx::Size ImageView::GetPreferredSize() { image_.height() + insets.height()); } -void ImageView::ComputeImageOrigin(int image_width, int image_height, - int *x, int *y) { +gfx::Point ImageView::ComputeImageOrigin(const gfx::Size& image_size) const { + gfx::Insets insets = GetInsets(); + + int x; // In order to properly handle alignment of images in RTL locales, we need // to flip the meaning of trailing and leading. For example, if the // horizontal alignment is set to trailing, then we'll use left alignment for // the image instead of right alignment if the UI layout is RTL. Alignment actual_horiz_alignment = horiz_alignment_; - if (UILayoutIsRightToLeft()) { - if (horiz_alignment_ == TRAILING) - actual_horiz_alignment = LEADING; - if (horiz_alignment_ == LEADING) - actual_horiz_alignment = TRAILING; - } - - gfx::Insets insets = GetInsets(); - + if (UILayoutIsRightToLeft() && (horiz_alignment_ != CENTER)) + actual_horiz_alignment = (horiz_alignment_ == LEADING) ? TRAILING : LEADING; switch (actual_horiz_alignment) { - case LEADING: - *x = insets.left(); - break; - case TRAILING: - *x = width() - insets.right() - image_width; - break; - case CENTER: - *x = (width() - image_width) / 2; - break; - default: - NOTREACHED(); + case LEADING: x = insets.left(); break; + case TRAILING: x = width() - insets.right() - image_size.width(); break; + case CENTER: x = (width() - image_size.width()) / 2; break; + default: NOTREACHED(); x = 0; break; } + int y; switch (vert_alignment_) { - case LEADING: - *y = insets.top(); - break; - case TRAILING: - *y = height() - insets.bottom() - image_height; - break; - case CENTER: - *y = (height() - image_height) / 2; - break; - default: - NOTREACHED(); + case LEADING: y = insets.top(); break; + case TRAILING: y = height() - insets.bottom() - image_size.height(); break; + case CENTER: y = (height() - image_size.height()) / 2; break; + default: NOTREACHED(); y = 0; break; } + + return gfx::Point(x, y); } void ImageView::Paint(gfx::Canvas* canvas) { View::Paint(canvas); - int image_width = image_.width(); - int image_height = image_.height(); - if (image_width == 0 || image_height == 0) + gfx::Rect image_bounds(GetImageBounds()); + if (image_bounds.IsEmpty()) return; - int x, y; - if (image_size_set_ && - (image_size_.width() != image_width || - image_size_.width() != image_height)) { + if (image_bounds.size() != gfx::Size(image_.width(), image_.height())) { // Resize case image_.buildMipMap(false); - ComputeImageOrigin(image_size_.width(), image_size_.height(), &x, &y); SkPaint paint; paint.setFilterBitmap(true); - canvas->DrawBitmapInt(image_, 0, 0, image_width, image_height, - x, y, image_size_.width(), image_size_.height(), - true, paint); + canvas->DrawBitmapInt(image_, 0, 0, image_.width(), image_.height(), + image_bounds.x(), image_bounds.y(), image_bounds.width(), + image_bounds.height(), true, paint); } else { - ComputeImageOrigin(image_width, image_height, &x, &y); - canvas->DrawBitmapInt(image_, x, y); + canvas->DrawBitmapInt(image_, image_bounds.x(), image_bounds.y()); } } |