diff options
Diffstat (limited to 'chrome/browser/ui/gtk/nine_box.cc')
| -rw-r--r-- | chrome/browser/ui/gtk/nine_box.cc | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/chrome/browser/ui/gtk/nine_box.cc b/chrome/browser/ui/gtk/nine_box.cc deleted file mode 100644 index 8df9cd6..0000000 --- a/chrome/browser/ui/gtk/nine_box.cc +++ /dev/null @@ -1,237 +0,0 @@ -// Copyright (c) 2012 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#include "chrome/browser/ui/gtk/nine_box.h" - -#include "base/basictypes.h" -#include "base/i18n/rtl.h" -#include "base/logging.h" -#include "ui/base/resource/resource_bundle.h" -#include "ui/gfx/gtk_util.h" -#include "ui/gfx/image/cairo_cached_surface.h" -#include "ui/gfx/image/image.h" -#include "ui/gfx/point.h" - -namespace { - -// Draw pixbuf |src| into |dst| at position (x, y). -void DrawImage(cairo_t* cr, GtkWidget* widget, gfx::Image* src, - int x, int y, double alpha) { - if (!src) - return; - - src->ToCairo()->SetSource(cr, widget, x, y); - cairo_paint_with_alpha(cr, alpha); -} - -// Tile pixbuf |src| across |cr| at |x|, |y| for |width| and |height|. -void TileImage(cairo_t* cr, GtkWidget* widget, gfx::Image* src, - int x, int y, int width, int height, double alpha) { - if (!src) - return; - - if (alpha == 1.0) { - src->ToCairo()->SetSource(cr, widget, x, y); - cairo_pattern_set_extend(cairo_get_source(cr), CAIRO_EXTEND_REPEAT); - cairo_rectangle(cr, x, y, width, height); - cairo_fill(cr); - } else { - // Since there is no easy way to apply a mask to a fill operation, we create - // a secondary surface and tile into that, then paint it with |alpha|. - cairo_surface_t* target = cairo_get_target(cr); - cairo_surface_t* surface = cairo_surface_create_similar( - target, CAIRO_CONTENT_COLOR_ALPHA, width, height); - cairo_t* tiled = cairo_create(surface); - src->ToCairo()->SetSource(tiled, widget, 0, 0); - cairo_pattern_set_extend(cairo_get_source(tiled), CAIRO_EXTEND_REPEAT); - cairo_rectangle(tiled, 0, 0, width, height); - cairo_fill(tiled); - - cairo_set_source_surface(cr, surface, x, y); - cairo_paint_with_alpha(cr, alpha); - - cairo_destroy(tiled); - cairo_surface_destroy(surface); - } -} - -} // namespace - -NineBox::NineBox(int top_left, int top, int top_right, int left, int center, - int right, int bottom_left, int bottom, int bottom_right) - : unref_images_on_destroy_(false) { - ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); - - images_[0] = top_left ? &rb.GetNativeImageNamed(top_left) : NULL; - images_[1] = top ? &rb.GetNativeImageNamed(top) : NULL; - images_[2] = top_right ? &rb.GetNativeImageNamed(top_right) : NULL; - images_[3] = left ? &rb.GetNativeImageNamed(left) : NULL; - images_[4] = center ? &rb.GetNativeImageNamed(center) : NULL; - images_[5] = right ? &rb.GetNativeImageNamed(right) : NULL; - images_[6] = bottom_left ? &rb.GetNativeImageNamed(bottom_left) : NULL; - images_[7] = bottom ? &rb.GetNativeImageNamed(bottom) : NULL; - images_[8] = bottom_right ? &rb.GetNativeImageNamed(bottom_right) : NULL; -} - -NineBox::NineBox(int image, int top_margin, int bottom_margin, int left_margin, - int right_margin) - : unref_images_on_destroy_(true) { - ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); - GdkPixbuf* pixbuf = rb.GetNativeImageNamed(image).ToGdkPixbuf(); - int width = gdk_pixbuf_get_width(pixbuf); - int height = gdk_pixbuf_get_height(pixbuf); - int inset_width = left_margin + right_margin; - int inset_height = top_margin + bottom_margin; - - images_[0] = new gfx::Image(gdk_pixbuf_new_subpixbuf( - pixbuf, 0, 0, left_margin, top_margin)); - images_[1] = new gfx::Image(gdk_pixbuf_new_subpixbuf( - pixbuf, left_margin, 0, width - inset_width, top_margin)); - images_[2] = new gfx::Image(gdk_pixbuf_new_subpixbuf( - pixbuf, width - right_margin, 0, right_margin, top_margin)); - images_[3] = new gfx::Image(gdk_pixbuf_new_subpixbuf( - pixbuf, 0, top_margin, left_margin, height - inset_height)); - images_[4] = new gfx::Image(gdk_pixbuf_new_subpixbuf( - pixbuf, left_margin, top_margin, width - inset_width, - height - inset_height)); - images_[5] = new gfx::Image(gdk_pixbuf_new_subpixbuf( - pixbuf, width - right_margin, top_margin, right_margin, - height - inset_height)); - images_[6] = new gfx::Image(gdk_pixbuf_new_subpixbuf( - pixbuf, 0, height - bottom_margin, left_margin, bottom_margin)); - images_[7] = new gfx::Image(gdk_pixbuf_new_subpixbuf( - pixbuf, left_margin, height - bottom_margin, - width - inset_width, bottom_margin)); - images_[8] = new gfx::Image(gdk_pixbuf_new_subpixbuf( - pixbuf, width - right_margin, height - bottom_margin, - right_margin, bottom_margin)); -} - -NineBox::~NineBox() { - if (unref_images_on_destroy_) { - for (int i = 0; i < 9; i++) { - delete images_[i]; - } - } -} - -void NineBox::RenderToWidget(GtkWidget* dst) const { - RenderToWidgetWithOpacity(dst, 1.0); -} - -void NineBox::RenderToWidgetWithOpacity(GtkWidget* dst, double opacity) const { - GtkAllocation allocation; - gtk_widget_get_allocation(dst, &allocation); - int w = allocation.width; - int h = allocation.height; - - // In case the corners and edges don't all have the same width/height, we draw - // the center first, and extend it out in all directions to the edges of the - // images with the smallest widths/heights. This way there will be no - // unpainted areas, though some corners or edges might overlap the center. - int i0w = images_[0] ? images_[0]->Width() : 0; - int i2w = images_[2] ? images_[2]->Width() : 0; - int i3w = images_[3] ? images_[3]->Width() : 0; - int i5w = images_[5] ? images_[5]->Width() : 0; - int i6w = images_[6] ? images_[6]->Width() : 0; - int i8w = images_[8] ? images_[8]->Width() : 0; - int i4x = std::min(std::min(i0w, i3w), i6w); - int i4w = w - i4x - std::min(std::min(i2w, i5w), i8w); - int i0h = images_[0] ? images_[0]->Height() : 0; - int i1h = images_[1] ? images_[1]->Height() : 0; - int i2h = images_[2] ? images_[2]->Height() : 0; - int i6h = images_[6] ? images_[6]->Height() : 0; - int i7h = images_[7] ? images_[7]->Height() : 0; - int i8h = images_[8] ? images_[8]->Height() : 0; - int i4y = std::min(std::min(i0h, i1h), i2h); - int i4h = h - i4y - std::min(std::min(i6h, i7h), i8h); - - cairo_t* cr = gdk_cairo_create(GDK_DRAWABLE(gtk_widget_get_window(dst))); - // For widgets that have their own window, the allocation (x,y) coordinates - // are GdkWindow relative. For other widgets, the coordinates are relative - // to their container. - if (!gtk_widget_get_has_window(dst)) { - // Transform our cairo from window to widget coordinates. - cairo_translate(cr, allocation.x, allocation.y); - } - - if (base::i18n::IsRTL()) { - cairo_translate(cr, w, 0.0f); - cairo_scale(cr, -1.0f, 1.0f); - } - - // Top row, center image is horizontally tiled. - DrawImage(cr, dst, images_[0], 0, 0, opacity); - TileImage(cr, dst, images_[1], i0w, 0, w - i0w - i2w, i1h, opacity); - DrawImage(cr, dst, images_[2], w - i2w, 0, opacity); - - // Center row, all images are vertically tiled, center is horizontally tiled. - TileImage(cr, dst, images_[3], 0, i0h, i3w, h - i0h - i6h, opacity); - TileImage(cr, dst, images_[4], i4x, i4y, i4w, i4h, opacity); - TileImage(cr, dst, images_[5], w - i5w, i2h, i5w, h - i2h - i8h, opacity); - - // Bottom row, center image is horizontally tiled. - DrawImage(cr, dst, images_[6], 0, h - i6h, opacity); - TileImage(cr, dst, images_[7], i6w, h - i7h, w - i6w - i8w, i7h, opacity); - DrawImage(cr, dst, images_[8], w - i8w, h - i8h, opacity); - - cairo_destroy(cr); -} - -void NineBox::ContourWidget(GtkWidget* widget) const { - GtkAllocation allocation; - gtk_widget_get_allocation(widget, &allocation); - int width = allocation.width; - int height = allocation.height; - int x1 = gdk_pixbuf_get_width(images_[0]->ToGdkPixbuf()); - int x2 = width - gdk_pixbuf_get_width(images_[2]->ToGdkPixbuf()); - - // TODO(erg): Far in the future, when we're doing the real gtk3 porting, this - // all needs to be switchted to pure cairo operations. - - // Paint the left and right sides. - GdkBitmap* mask = gdk_pixmap_new(NULL, width, height, 1); - gdk_pixbuf_render_threshold_alpha(images_[0]->ToGdkPixbuf(), mask, - 0, 0, - 0, 0, -1, -1, - 1); - gdk_pixbuf_render_threshold_alpha(images_[2]->ToGdkPixbuf(), mask, - 0, 0, - x2, 0, -1, -1, - 1); - - // Assume no transparency in the middle rectangle. - cairo_t* cr = gdk_cairo_create(mask); - cairo_rectangle(cr, x1, 0, x2 - x1, height); - cairo_fill(cr); - cairo_destroy(cr); - - // Mask the widget's window's shape. - if (!base::i18n::IsRTL()) { - gtk_widget_shape_combine_mask(widget, mask, 0, 0); - } else { - GdkBitmap* flipped_mask = gdk_pixmap_new(NULL, width, height, 1); - cairo_t* flipped_cr = gdk_cairo_create(flipped_mask); - - // Clear the target bitmap. - cairo_set_operator(flipped_cr, CAIRO_OPERATOR_CLEAR); - cairo_paint(flipped_cr); - - // Apply flipping transformation. - cairo_translate(flipped_cr, width, 0.0f); - cairo_scale(flipped_cr, -1.0f, 1.0f); - - // Paint the source bitmap onto the target. - cairo_set_operator(flipped_cr, CAIRO_OPERATOR_SOURCE); - gdk_cairo_set_source_pixmap(flipped_cr, mask, 0, 0); - cairo_paint(flipped_cr); - cairo_destroy(flipped_cr); - - // Mask the widget. - gtk_widget_shape_combine_mask(widget, flipped_mask, 0, 0); - g_object_unref(flipped_mask); - } - - g_object_unref(mask); -} |