diff options
Diffstat (limited to 'source/gameengine/Rasterizer/RAS_FramingManager.cpp')
| -rw-r--r-- | source/gameengine/Rasterizer/RAS_FramingManager.cpp | 425 |
1 files changed, 0 insertions, 425 deletions
diff --git a/source/gameengine/Rasterizer/RAS_FramingManager.cpp b/source/gameengine/Rasterizer/RAS_FramingManager.cpp deleted file mode 100644 index 6e7c5f1b326..00000000000 --- a/source/gameengine/Rasterizer/RAS_FramingManager.cpp +++ /dev/null @@ -1,425 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): none yet. - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file gameengine/Rasterizer/RAS_FramingManager.cpp - * \ingroup bgerast - */ - - -#include "RAS_FramingManager.h" -#include "RAS_Rect.h" - - void -RAS_FramingManager:: -ComputeDefaultFrustum( - const float camnear, - const float camfar, - const float lens, - const float sensor_x, const float sensor_y, - const short sensor_fit, - const float shift_x, - const float shift_y, - const float design_aspect_ratio, - RAS_FrameFrustum & frustum -) { - float size; - float halfSize; - float sizeX; - float sizeY; - float offsetX; - float offsetY; - - if (sensor_fit==RAS_SENSORFIT_AUTO) { - size = sensor_x * camnear / lens; - halfSize = size * 0.5f; - - if (design_aspect_ratio > 1.f) { - // halfsize defines the width - sizeX = halfSize; - sizeY = halfSize/design_aspect_ratio; - } else { - // halfsize defines the height - sizeX = halfSize * design_aspect_ratio; - sizeY = halfSize; - } - } - else if (sensor_fit==RAS_SENSORFIT_HOR) { - size = sensor_x * camnear / lens; - halfSize = size * 0.5f; - sizeX = halfSize; - sizeY = halfSize/design_aspect_ratio; - } - else { - size = sensor_y * camnear / lens; - halfSize = size * 0.5f; - sizeX = halfSize * design_aspect_ratio; - sizeY = halfSize; - } - - offsetX = size * shift_x; - offsetY = size * shift_y; - - frustum.x2 = sizeX + offsetX; - frustum.x1 = -sizeX + offsetX; - frustum.y2 = sizeY + offsetY; - frustum.y1 = -sizeY + offsetY; - frustum.camnear = camnear; - frustum.camfar = camfar; -} - - void -RAS_FramingManager:: -ComputeDefaultOrtho( - const float camnear, - const float camfar, - const float scale, - const float design_aspect_ratio, - const short sensor_fit, - const float shift_x, - const float shift_y, - RAS_FrameFrustum & frustum -) -{ - float halfSize = scale*0.5f; - float sizeX; - float sizeY; - float offsetX; - float offsetY; - - if (sensor_fit==RAS_SENSORFIT_AUTO) { - if (design_aspect_ratio > 1.f) { - // halfsize defines the width - sizeX = halfSize; - sizeY = halfSize/design_aspect_ratio; - } else { - // halfsize defines the height - sizeX = halfSize * design_aspect_ratio; - sizeY = halfSize; - } - } - else if (sensor_fit==RAS_SENSORFIT_HOR) { - sizeX = halfSize; - sizeY = halfSize/design_aspect_ratio; - } - else { - sizeX = halfSize * design_aspect_ratio; - sizeY = halfSize; - } - - offsetX = scale * shift_x; - offsetY = scale * shift_y; - - frustum.x2 = sizeX + offsetX; - frustum.x1 = -sizeX + offsetX; - frustum.y2 = sizeY + offsetY; - frustum.y1 = -sizeY + offsetY; - frustum.camnear = camnear; - frustum.camfar = camfar; -} - - - void -RAS_FramingManager:: -ComputeBestFitViewRect( - const RAS_Rect &availableViewport, - const float design_aspect_ratio, - RAS_Rect &viewport -) { - // try and honour the aspect ratio when setting the - // drawable area. If we don't do this we are liable - // to get a lot of distortion in the rendered image. - - int width = availableViewport.GetWidth(); - int height = availableViewport.GetHeight(); - float window_aspect = float(width)/float(height); - - if (window_aspect < design_aspect_ratio) { - int v_height = (int)(width / design_aspect_ratio); - int left_over = (height - v_height) / 2; - - viewport.SetLeft(availableViewport.GetLeft()); - viewport.SetBottom(availableViewport.GetBottom() + left_over); - viewport.SetRight(availableViewport.GetLeft() + width); - viewport.SetTop(availableViewport.GetBottom() + left_over + v_height); - - } else { - int v_width = (int)(height * design_aspect_ratio); - int left_over = (width - v_width) / 2; - - viewport.SetLeft(availableViewport.GetLeft() + left_over); - viewport.SetBottom(availableViewport.GetBottom()); - viewport.SetRight(availableViewport.GetLeft() + v_width + left_over); - viewport.SetTop(availableViewport.GetBottom() + height); - } -} - - void -RAS_FramingManager:: -ComputeViewport( - const RAS_FrameSettings &settings, - const RAS_Rect &availableViewport, - RAS_Rect &viewport -) { - - RAS_FrameSettings::RAS_FrameType type = settings.FrameType(); - const int winx = availableViewport.GetWidth(); - const int winy = availableViewport.GetHeight(); - - const float design_width = float(settings.DesignAspectWidth()); - const float design_height = float(settings.DesignAspectHeight()); - - float design_aspect_ratio = float(1); - - if (design_height == float(0)) { - // well this is ill defined - // lets just scale the thing - - type = RAS_FrameSettings::e_frame_scale; - } else { - design_aspect_ratio = design_width/design_height; - } - - switch (type) { - - case RAS_FrameSettings::e_frame_scale : - case RAS_FrameSettings::e_frame_extend: - { - viewport.SetLeft(availableViewport.GetLeft()); - viewport.SetBottom(availableViewport.GetBottom()); - viewport.SetRight(availableViewport.GetLeft() + int(winx)); - viewport.SetTop(availableViewport.GetBottom() + int(winy)); - - break; - } - - case RAS_FrameSettings::e_frame_bars: - { - ComputeBestFitViewRect( - availableViewport, - design_aspect_ratio, - viewport - ); - - break; - } - default : - break; - } -} - - void -RAS_FramingManager:: -ComputeFrustum( - const RAS_FrameSettings &settings, - const RAS_Rect &availableViewport, - const RAS_Rect &viewport, - const float lens, - const float sensor_x, const float sensor_y, const short sensor_fit, - const float shift_x, - const float shift_y, - const float camnear, - const float camfar, - RAS_FrameFrustum &frustum -) { - - RAS_FrameSettings::RAS_FrameType type = settings.FrameType(); - - const float design_width = float(settings.DesignAspectWidth()); - const float design_height = float(settings.DesignAspectHeight()); - - float design_aspect_ratio = float(1); - - if (design_height == float(0)) { - // well this is ill defined - // lets just scale the thing - - type = RAS_FrameSettings::e_frame_scale; - } else { - design_aspect_ratio = design_width/design_height; - } - - ComputeDefaultFrustum( - camnear, - camfar, - lens, - sensor_x, - sensor_y, - sensor_fit, - shift_x, - shift_y, - design_aspect_ratio, - frustum - ); - - switch (type) { - - case RAS_FrameSettings::e_frame_extend: - { - float x_scale, y_scale; - switch (sensor_fit) { - case RAS_SENSORFIT_HOR: - { - x_scale = 1.0f; - y_scale = float(viewport.GetHeight()) / float(viewport.GetWidth()); - break; - } - case RAS_SENSORFIT_VERT: - { - x_scale = float(viewport.GetWidth()) / float(viewport.GetHeight()); - y_scale = 1.0f; - break; - } - case RAS_SENSORFIT_AUTO: - default: - { - RAS_Rect vt; - ComputeBestFitViewRect( - availableViewport, - design_aspect_ratio, - vt - ); - - // now scale the calculated frustum by the difference - // between vt and the viewport in each axis. - // These are always > 1 - - x_scale = float(viewport.GetWidth())/float(vt.GetWidth()); - y_scale = float(viewport.GetHeight())/float(vt.GetHeight()); - break; - } - } - - frustum.x1 *= x_scale; - frustum.x2 *= x_scale; - frustum.y1 *= y_scale; - frustum.y2 *= y_scale; - - break; - } - case RAS_FrameSettings::e_frame_scale : - case RAS_FrameSettings::e_frame_bars: - default : - break; - } -} - - void -RAS_FramingManager:: - ComputeOrtho( - const RAS_FrameSettings &settings, - const RAS_Rect &availableViewport, - const RAS_Rect &viewport, - const float scale, - const float camnear, - const float camfar, - const short sensor_fit, - const float shift_x, - const float shift_y, - RAS_FrameFrustum &frustum - ) -{ - RAS_FrameSettings::RAS_FrameType type = settings.FrameType(); - - const float design_width = float(settings.DesignAspectWidth()); - const float design_height = float(settings.DesignAspectHeight()); - - float design_aspect_ratio = float(1); - - if (design_height == float(0)) { - // well this is ill defined - // lets just scale the thing - type = RAS_FrameSettings::e_frame_scale; - } else { - design_aspect_ratio = design_width/design_height; - } - - - ComputeDefaultOrtho( - camnear, - camfar, - scale, - design_aspect_ratio, - sensor_fit, - shift_x, - shift_y, - frustum - ); - - switch (type) { - - case RAS_FrameSettings::e_frame_extend: - { - float x_scale, y_scale; - switch (sensor_fit) { - case RAS_SENSORFIT_HOR: - { - x_scale = 1.0f; - y_scale = float(viewport.GetHeight()) / float(viewport.GetWidth()); - break; - } - case RAS_SENSORFIT_VERT: - { - x_scale = float(viewport.GetWidth()) / float(viewport.GetHeight()); - y_scale = 1.0f; - break; - } - case RAS_SENSORFIT_AUTO: - default: - { - RAS_Rect vt; - ComputeBestFitViewRect( - availableViewport, - design_aspect_ratio, - vt - ); - - // now scale the calculated frustum by the difference - // between vt and the viewport in each axis. - // These are always > 1 - - x_scale = float(viewport.GetWidth())/float(vt.GetWidth()); - y_scale = float(viewport.GetHeight())/float(vt.GetHeight()); - break; - } - } - - frustum.x1 *= x_scale; - frustum.x2 *= x_scale; - frustum.y1 *= y_scale; - frustum.y2 *= y_scale; - - break; - } - case RAS_FrameSettings::e_frame_scale : - case RAS_FrameSettings::e_frame_bars: - default : - break; - } - -} - - |