161 lines
4.8 KiB
C++
161 lines
4.8 KiB
C++
// Copyright (c) 2007, Rodrigo Braz Monteiro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Aegisub Project http://www.aegisub.org/
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//
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// $Id$
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/// @file visual_tool_scale.cpp
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/// @brief X/Y scaling visual typesetting tool
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/// @ingroup visual_ts
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#include "config.h"
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#ifndef AGI_PRE
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#include <math.h>
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#endif
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#include "ass_dialogue.h"
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#include "ass_file.h"
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#include "subs_grid.h"
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#include "utils.h"
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#include "video_context.h"
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#include "video_display.h"
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#include "visual_tool_scale.h"
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VisualToolScale::VisualToolScale(VideoDisplay *parent, VideoState const& video, wxToolBar *)
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: VisualTool<VisualDraggableFeature>(parent, video)
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, curScaleX(0.f)
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, origScaleX(0.f)
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, curScaleY(0.f)
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, origScaleY(0.f)
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, startX(0)
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, startY(0)
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{
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DoRefresh();
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}
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void VisualToolScale::Draw() {
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if (!curDiag) return;
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int len = 160;
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int dx = MID(len/2+10,posx,video.w-len/2-30);
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int dy = MID(len/2+10,posy,video.h-len/2-30);
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SetLineColour(colour[0]);
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SetFillColour(colour[1],0.3f);
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// Transform grid
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glMatrixMode(GL_MODELVIEW);
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glPushMatrix();
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glLoadIdentity();
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glTranslatef(dx,dy,0.f);
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float matrix[16] = { 2500, 0, 0, 0, 0, 2500, 0, 0, 0, 0, 1, 1, 0, 0, 2500, 2500 };
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glMultMatrixf(matrix);
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glScalef(1.f,1.f,8.f);
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if (ry != 0.f) glRotatef(ry,0.f,-1.f,0.f);
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if (rx != 0.f) glRotatef(rx,-1.f,0.f,0.f);
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if (rz != 0.f) glRotatef(rz,0.f,0.f,-1.f);
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// Scale parameters
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int lenx = int(1.6 * curScaleX);
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int leny = int(1.6 * curScaleY);
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int drawX = len/2 + 10;
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int drawY = len/2 + 10;
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// Draw length markers
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SetLineColour(colour[3],1.f,2);
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DrawLine(-lenx/2,drawY+10,lenx/2,drawY+10);
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DrawLine(drawX+10,-leny/2,drawX+10,leny/2);
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SetLineColour(colour[0],1.f,1);
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SetFillColour(colour[1],0.3f);
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DrawCircle(lenx/2,drawY+10,4);
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DrawCircle(drawX+10,-leny/2,4);
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// Draw horizontal scale
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SetLineColour(colour[0],1.f,1);
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DrawRectangle(-len/2,drawY,len/2+1,drawY+5);
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SetLineColour(colour[0],1.f,2);
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DrawLine(-len/2+1,drawY+5,-len/2+1,drawY+15);
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DrawLine(len/2,drawY+5,len/2,drawY+15);
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// Draw vertical scale
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SetLineColour(colour[0],1.f,1);
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DrawRectangle(drawX,-len/2,drawX+5,len/2+1);
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SetLineColour(colour[0],1.f,2);
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DrawLine(drawX+5,-len/2+1,drawX+15,-len/2+1);
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DrawLine(drawX+5,len/2,drawX+15,len/2);
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glPopMatrix();
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}
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bool VisualToolScale::InitializeHold() {
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startX = video.x;
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startY = video.y;
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origScaleX = curScaleX;
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origScaleY = curScaleY;
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curDiag->StripTag(L"\\fscx");
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curDiag->StripTag(L"\\fscy");
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return true;
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}
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void VisualToolScale::UpdateHold() {
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// Deltas
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int deltaX = video.x - startX;
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int deltaY = startY - video.y;
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if (shiftDown) {
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if (abs(deltaX) >= abs(deltaY)) deltaY = 0;
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else deltaX = 0;
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}
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// Calculate
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curScaleX = std::max(deltaX*1.25f + origScaleX, 0.f);
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curScaleY = std::max(deltaY*1.25f + origScaleY, 0.f);
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// Oh Snap
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if (ctrlDown) {
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curScaleX = floorf(curScaleX/25.f+.5f)*25.f;
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curScaleY = floorf(curScaleY/25.f+.5f)*25.f;
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}
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}
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void VisualToolScale::CommitHold() {
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Selection sel = grid->GetSelectedSet();
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for (Selection::const_iterator cur = sel.begin(); cur != sel.end(); ++cur) {
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SetOverride(*cur, L"\\fscx",wxString::Format(L"(%0.3g)",curScaleX));
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SetOverride(*cur, L"\\fscy",wxString::Format(L"(%0.3g)",curScaleY));
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}
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}
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void VisualToolScale::DoRefresh() {
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if (!curDiag) return;
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GetLineScale(curDiag, curScaleX, curScaleY);
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GetLinePosition(curDiag, posx, posy);
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GetLineRotation(curDiag, rx, ry, rz);
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}
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