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Diffstat (limited to 'xfa_test/pdf/progress_control.cc')
| -rw-r--r-- | xfa_test/pdf/progress_control.cc | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/xfa_test/pdf/progress_control.cc b/xfa_test/pdf/progress_control.cc deleted file mode 100644 index 2c2bca4e42..0000000000 --- a/xfa_test/pdf/progress_control.cc +++ /dev/null @@ -1,283 +0,0 @@ -// Copyright (c) 2011 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 "pdf/progress_control.h" - -#include <algorithm> - -#include "base/logging.h" -#include "pdf/draw_utils.h" -#include "pdf/resource_consts.h" -#include "ppapi/cpp/dev/font_dev.h" - -namespace chrome_pdf { - -const double ProgressControl::kCompleted = 100.0; - -// There is a bug outputting text with alpha 0xFF (opaque) to an intermediate -// image. It outputs alpha channgel of the text pixels to 0xFF (transparent). -// And it breaks next alpha blending. -// For now, let's use alpha 0xFE to work around this bug. -// TODO(gene): investigate this bug. -const uint32 kProgressTextColor = 0xFEDDE6FC; -const uint32 kProgressTextSize = 16; -const uint32 kImageTextSpacing = 8; -const uint32 kTopPadding = 8; -const uint32 kBottomPadding = 12; -const uint32 kLeftPadding = 10; -const uint32 kRightPadding = 10; - -int ScaleInt(int val, float scale) { - return static_cast<int>(val * scale); -} - -ProgressControl::ProgressControl() - : progress_(0.0), - device_scale_(1.0) { -} - -ProgressControl::~ProgressControl() { -} - -bool ProgressControl::CreateProgressControl( - uint32 id, - bool visible, - Control::Owner* delegate, - double progress, - float device_scale, - const std::vector<pp::ImageData>& images, - const pp::ImageData& background, - const std::string& text) { - progress_ = progress; - text_ = text; - bool res = Control::Create(id, pp::Rect(), visible, delegate); - if (res) - Reconfigure(background, images, device_scale); - return res; -} - -void ProgressControl::Reconfigure(const pp::ImageData& background, - const std::vector<pp::ImageData>& images, - float device_scale) { - DCHECK(images.size() != 0); - images_ = images; - background_ = background; - device_scale_ = device_scale; - pp::Size ctrl_size; - CalculateLayout(owner()->GetInstance(), images_, background_, text_, - device_scale_, &ctrl_size, &image_rc_, &text_rc_); - pp::Rect rc(pp::Point(), ctrl_size); - Control::SetRect(rc, false); - PrepareBackground(); -} - -// static -void ProgressControl::CalculateLayout(pp::Instance* instance, - const std::vector<pp::ImageData>& images, - const pp::ImageData& background, - const std::string& text, - float device_scale, - pp::Size* ctrl_size, - pp::Rect* image_rc, - pp::Rect* text_rc) { - DCHECK(images.size() != 0); - int image_width = 0; - int image_height = 0; - for (size_t i = 0; i < images.size(); i++) { - image_width = std::max(image_width, images[i].size().width()); - image_height = std::max(image_height, images[i].size().height()); - } - - pp::FontDescription_Dev description; - description.set_family(PP_FONTFAMILY_SANSSERIF); - description.set_size(ScaleInt(kProgressTextSize, device_scale)); - description.set_weight(PP_FONTWEIGHT_BOLD); - pp::Font_Dev font(instance, description); - int text_length = font.MeasureSimpleText(text); - - pp::FontDescription_Dev desc; - PP_FontMetrics_Dev metrics; - font.Describe(&desc, &metrics); - int text_height = metrics.height; - - *ctrl_size = pp::Size( - image_width + text_length + - ScaleInt(kImageTextSpacing + kLeftPadding + kRightPadding, device_scale), - std::max(image_height, text_height) + - ScaleInt(kTopPadding + kBottomPadding, device_scale)); - - int offset_x = 0; - int offset_y = 0; - if (ctrl_size->width() < background.size().width()) { - offset_x += (background.size().width() - ctrl_size->width()) / 2; - ctrl_size->set_width(background.size().width()); - } - if (ctrl_size->height() < background.size().height()) { - offset_y += (background.size().height() - ctrl_size->height()) / 2; - ctrl_size->set_height(background.size().height()); - } - - *image_rc = pp::Rect(ScaleInt(kLeftPadding, device_scale) + offset_x, - ScaleInt(kTopPadding, device_scale) + offset_y, - image_width, - image_height); - - *text_rc = pp::Rect( - ctrl_size->width() - text_length - - ScaleInt(kRightPadding, device_scale) - offset_x, - (ctrl_size->height() - text_height) / 2, - text_length, - text_height); -} - -size_t ProgressControl::GetImageIngex() const { - return static_cast<size_t>((progress_ / 100.0) * images_.size()); -} - -void ProgressControl::Paint(pp::ImageData* image_data, const pp::Rect& rc) { - if (!visible()) - return; - - pp::Rect draw_rc = rect().Intersect(rc); - if (draw_rc.IsEmpty()) - return; - - pp::ImageData buffer(owner()->GetInstance(), ctrl_background_.format(), - ctrl_background_.size(), false); - CopyImage(ctrl_background_, pp::Rect(ctrl_background_.size()), - &buffer, pp::Rect(ctrl_background_.size()), false); - - size_t index = GetImageIngex(); - if (index >= images_.size()) - index = images_.size() - 1; - - AlphaBlend(images_[index], - pp::Rect(images_[index].size()), - &buffer, - image_rc_.point(), - kOpaqueAlpha); - - pp::Rect image_draw_rc(draw_rc); - image_draw_rc.Offset(-rect().x(), -rect().y()); - AlphaBlend(buffer, - image_draw_rc, - image_data, - draw_rc.point(), - transparency()); -} - -void ProgressControl::SetProgress(double progress) { - size_t old_index = GetImageIngex(); - progress_ = progress; - size_t new_index = GetImageIngex(); - if (progress_ >= kCompleted) { - progress_ = kCompleted; - owner()->OnEvent(id(), EVENT_ID_PROGRESS_COMPLETED, NULL); - } - if (visible() && old_index != new_index) - owner()->Invalidate(id(), rect()); -} - -void ProgressControl::PrepareBackground() { - AdjustBackground(); - - pp::FontDescription_Dev description; - description.set_family(PP_FONTFAMILY_SANSSERIF); - description.set_size(ScaleInt(kProgressTextSize, device_scale_)); - description.set_weight(PP_FONTWEIGHT_BOLD); - pp::Font_Dev font(owner()->GetInstance(), description); - - pp::FontDescription_Dev desc; - PP_FontMetrics_Dev metrics; - font.Describe(&desc, &metrics); - - pp::Point text_origin = pp::Point(text_rc_.x(), - (text_rc_.y() + text_rc_.bottom() + metrics.x_height) / 2); - font.DrawTextAt(&ctrl_background_, pp::TextRun_Dev(text_), text_origin, - kProgressTextColor, pp::Rect(ctrl_background_.size()), false); -} - -void ProgressControl::AdjustBackground() { - ctrl_background_ = pp::ImageData(owner()->GetInstance(), - PP_IMAGEDATAFORMAT_BGRA_PREMUL, - rect().size(), - false); - - if (rect().size() == background_.size()) { - CopyImage(background_, pp::Rect(background_.size()), - &ctrl_background_, pp::Rect(ctrl_background_.size()), false); - return; - } - - // We need to stretch background to new dimentions. To do so, we split - // background into 9 different parts. We copy corner rects (1,3,7,9) as is, - // stretch rectangles between corners (2,4,6,8) in 1 dimention, and - // stretch center rect (5) in 2 dimentions. - // |---|---|---| - // | 1 | 2 | 3 | - // |---|---|---| - // | 4 | 5 | 6 | - // |---|---|---| - // | 7 | 8 | 9 | - // |---|---|---| - int slice_x = background_.size().width() / 3; - int slice_y = background_.size().height() / 3; - - // Copy rect 1 - pp::Rect src_rc(0, 0, slice_x, slice_y); - pp::Rect dest_rc(0, 0, slice_x, slice_y); - CopyImage(background_, src_rc, &ctrl_background_, dest_rc, false); - - // Copy rect 3 - src_rc.set_x(background_.size().width() - slice_x); - dest_rc.set_x(ctrl_background_.size().width() - slice_x); - CopyImage(background_, src_rc, &ctrl_background_, dest_rc, false); - - // Copy rect 9 - src_rc.set_y(background_.size().height() - slice_y); - dest_rc.set_y(ctrl_background_.size().height() - slice_y); - CopyImage(background_, src_rc, &ctrl_background_, dest_rc, false); - - // Copy rect 7 - src_rc.set_x(0); - dest_rc.set_x(0); - CopyImage(background_, src_rc, &ctrl_background_, dest_rc, false); - - // Stretch rect 2 - src_rc = pp::Rect( - slice_x, 0, background_.size().width() - 2 * slice_x, slice_y); - dest_rc = pp::Rect( - slice_x, 0, ctrl_background_.size().width() - 2 * slice_x, slice_y); - CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true); - - // Copy rect 8 - src_rc.set_y(background_.size().height() - slice_y); - dest_rc.set_y(ctrl_background_.size().height() - slice_y); - CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true); - - // Stretch rect 4 - src_rc = pp::Rect( - 0, slice_y, slice_x, background_.size().height() - 2 * slice_y); - dest_rc = pp::Rect( - 0, slice_y, slice_x, ctrl_background_.size().height() - 2 * slice_y); - CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true); - - // Copy rect 6 - src_rc.set_x(background_.size().width() - slice_x); - dest_rc.set_x(ctrl_background_.size().width() - slice_x); - CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true); - - // Stretch rect 5 - src_rc = pp::Rect(slice_x, - slice_y, - background_.size().width() - 2 * slice_x, - background_.size().height() - 2 * slice_y); - dest_rc = pp::Rect(slice_x, - slice_y, - ctrl_background_.size().width() - 2 * slice_x, - ctrl_background_.size().height() - 2 * slice_y); - CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true); -} - -} // namespace chrome_pdf |