diff options
Diffstat (limited to 'win/rfb_win32/ScaledDIBSectionBuffer.cxx')
-rw-r--r-- | win/rfb_win32/ScaledDIBSectionBuffer.cxx | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/win/rfb_win32/ScaledDIBSectionBuffer.cxx b/win/rfb_win32/ScaledDIBSectionBuffer.cxx deleted file mode 100644 index 752cd784..00000000 --- a/win/rfb_win32/ScaledDIBSectionBuffer.cxx +++ /dev/null @@ -1,195 +0,0 @@ -/* Copyright (C) 2006 TightVNC Team. All Rights Reserved. - * - * This 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 software 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 software; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. - * - * - * - */ - -// -=- ScaledDIBSectionBuffer.cxx - -#include <math.h> - -#include <rfb_win32/ScaledDIBSectionBuffer.h> - -using namespace rfb; -using namespace win32; - -const PixelFormat RGB24(32, 24, 0, 1, 255, 255, 255, 16, 8, 0); - -ScaledDIBSectionBuffer::ScaledDIBSectionBuffer(HWND window) - : DIBSectionBuffer(window), src_buffer(0), scaling(false) { - scaled_data = &data; -} - -ScaledDIBSectionBuffer::~ScaledDIBSectionBuffer() { - if (src_buffer) delete src_buffer; -} - -void ScaledDIBSectionBuffer::setScale(int scale_) { - if (scale == scale_ || scale_ <= 0) return; - if (!(getPixelFormat().trueColour) && scale_ != 100) throw rfb::UnsupportedPixelFormatException(); - ScaledPixelBuffer::setScale(scale_); - if (scale == 100) scaling = false; - else scaling = true; - recreateBuffers(); -} - -void ScaledDIBSectionBuffer::setPF(const PixelFormat &pf_) { - if (memcmp(&(ScaledPixelBuffer::pf), &pf_, sizeof(pf_)) == 0) return; - - if (!pf_.trueColour && isScaling()) throw rfb::UnsupportedPixelFormatException(); - - pf = pf_; - if (scaling) { - if (src_buffer) { - src_buffer->setPF(pf); - } else { - src_buffer = new ManagedPixelBuffer(pf, src_width, src_height); - src_data = &(src_buffer->data); - } - if (memcmp(&(DIBSectionBuffer::getPF()), &RGB24, sizeof(PixelFormat)) != 0) { - DIBSectionBuffer::setPF(RGB24); - } - } else { - DIBSectionBuffer::setPF(pf); - pf = format; - } -} - -void ScaledDIBSectionBuffer::setSize(int src_width_, int src_height_) { - if (src_width == src_width_ && src_height == src_height_) return; - src_width = src_width_; - src_height = src_height_; - - // FIXME: - // Calculate the scale weight tabs must be in the ScalePixelBuffer class - recreateRowAccum(); - freeWeightTabs(); - calculateScaledBufferSize(); - scaleFilters.makeWeightTabs(scaleFilterID, src_width, scaled_width, &xWeightTabs); - scaleFilters.makeWeightTabs(scaleFilterID, src_height, scaled_height, &yWeightTabs); - - recreateBuffers(); -} - -void ScaledDIBSectionBuffer::setScaleWindowSize(int width, int height) { - if (scaled_width == width && scaled_height == height) return; - - freeWeightTabs(); - - scaled_width = width_ = width; - scaled_height = height_ = height; - - if (scaled_width == src_width && scaled_height == src_height) scaling = false; - else scaling = true; - scale_ratio_x = (double)scaled_width / src_width; - scale_ratio_y = (double)scaled_height / src_height; - scale = (int)(scale_ratio_x * 100); - - // FIXME: - // Calculate the scale weight tabs must be in the ScalePixelBuffer class - scaleFilters.makeWeightTabs(scaleFilterID, src_width, scaled_width, &xWeightTabs); - scaleFilters.makeWeightTabs(scaleFilterID, src_height, scaled_height, &yWeightTabs); - - recreateBuffers(); -} - -void ScaledDIBSectionBuffer::recreateScaledBuffer() { - if (scaling && memcmp(&(DIBSectionBuffer::getPF()), &RGB24, sizeof(PixelFormat)) != 0) { - DIBSectionBuffer::setPF(RGB24); - } else if (!scaling && (memcmp(&(DIBSectionBuffer::getPF()), &pf, sizeof(PixelFormat)) != 0)){ - DIBSectionBuffer::setPF(pf); - } else { - DIBSectionBuffer::recreateBuffer(); - } -} - -void ScaledDIBSectionBuffer::recreateBuffers() { - // Recreate the source pixel buffer - if (src_width && src_height && pf.depth > 0) { - if (scaling) { - if (src_buffer) { - if (src_buffer->width() != src_width || src_buffer->width() != src_height) - src_buffer->setSize(src_width, src_height); - } else { - src_buffer = new ManagedPixelBuffer(pf, src_width, src_height); - src_data = &(src_buffer->data); - if (data) memcpy(src_buffer->data, data, src_width * src_height * (getPF().bpp/8)); - } - } - } - // Recreate the scaled pixel buffer - recreateScaledBuffer(); - if (scaling && src_buffer && data) scaleRect(Rect(0, 0, src_width, src_height)); - else if (!scaling && src_buffer) { - if (src_buffer->data && data) memcpy(data, src_buffer->data, src_buffer->area() * (getPF().bpp/8)); - delete src_buffer; - src_buffer = 0; - src_data = 0; - } -} - -void ScaledDIBSectionBuffer::calculateScaledBufferSize() { - ScaledPixelBuffer::calculateScaledBufferSize(); - width_ = scaled_width; - height_ = scaled_height; -} - -void ScaledDIBSectionBuffer::fillRect(const Rect &dest, Pixel pix) { - if (scaling) { - src_buffer->fillRect(dest, pix); - scaleRect(dest); - } else { - DIBSectionBuffer::fillRect(dest, pix); - } -} - -void ScaledDIBSectionBuffer::imageRect(const Rect &dest, const void* pixels, int stride) { - if (scaling) { - src_buffer->imageRect(dest, pixels, stride); - scaleRect(dest); - } else { - DIBSectionBuffer::imageRect(dest, pixels, stride); - } -} - -void ScaledDIBSectionBuffer::copyRect(const Rect &dest, const Point &move_by_delta) { - if (scaling) { - src_buffer->copyRect(dest, move_by_delta); - scaleRect(dest); - } else { - DIBSectionBuffer::copyRect(dest, move_by_delta); - } -} - -void ScaledDIBSectionBuffer::maskRect(const Rect& r, const void* pixels, const void* mask_) { - if (scaling) { - src_buffer->maskRect(r, pixels, mask_); - scaleRect(r); - } else { - DIBSectionBuffer::maskRect(r, pixels, mask_); - } -} - -void ScaledDIBSectionBuffer::maskRect(const Rect& r, Pixel pixel, const void* mask_) { - if (scaling) { - src_buffer->maskRect(r, pixel, mask_); - scaleRect(r); - } else { - DIBSectionBuffer::maskRect(r, pixel, mask_); - } -} |