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Avoid redrawing transformation on each mouse position change (related to #2149)

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This commit is contained in:
David Capello 2020-08-17 17:35:34 -03:00
parent b355f34a70
commit 95ce7541e7
2 changed files with 19 additions and 4 deletions
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16
src/app/ui/editor/moving_pixels_state.cpp
View File

@ -52,6 +52,7 @@
#include "ui/view.h"
#include <cstring>
#include <limits>
namespace app {
@ -63,6 +64,8 @@ MovingPixelsState::MovingPixelsState(Editor* editor, MouseMessage* msg, PixelsMo
, m_observingEditor(false)
, m_discarded(false)
, m_renderTimer(50)
, m_oldSpritePos(std::numeric_limits<int>::min(),
std::numeric_limits<int>::min())
{
// MovingPixelsState needs a selection tool to avoid problems
// sharing the extra cel between the drawing cursor preview and the
@ -367,14 +370,21 @@ bool MovingPixelsState::onMouseMove(Editor* editor, MouseMessage* msg)
// If there is a button pressed
if (m_pixelsMovement->isDragging()) {
m_renderTimer.start();
m_pixelsMovement->setFastMode(true);
// Auto-scroll
gfx::Point mousePos = editor->autoScroll(msg, AutoScroll::MouseDir);
// Get the position of the mouse in the sprite
gfx::Point spritePos = editor->screenToEditor(mousePos);
if (spritePos == m_oldSpritePos) {
// Avoid redrawing everything if the position in the canvas didn't change.
// TODO remove this if we add support for anti-aliasing in the
// transformations
return true;
}
m_oldSpritePos = spritePos;
m_renderTimer.start();
m_pixelsMovement->setFastMode(true);
// Get the customization for the pixels movement (snap to grid, angle snap, etc.).
KeyContext keyContext = KeyContext::Normal;

7
src/app/ui/editor/moving_pixels_state.h
View File

@ -1,5 +1,5 @@
// Aseprite
// Copyright (C) 2019 Igara Studio S.A.
// Copyright (C) 2019-2020 Igara Studio S.A.
// Copyright (C) 2001-2017 David Capello
//
// This program is distributed under the terms of
@ -95,6 +95,11 @@ namespace app {
ui::Timer m_renderTimer;
// Position of the mouse in the canvas to avoid redrawing when the
// mouse position changes (only we redraw when the canvas position
// changes).
gfx::Point m_oldSpritePos;
obs::connection m_ctxConn;
obs::connection m_opaqueConn;
obs::connection m_transparentConn;