/**
* Cleans the brush cursor from the specified editor.
*
* The mouse position is got from the last
* call to @c drawBrushPreview. So you must
* to use this routine only if you called
* @c drawBrushPreview before with the specified
* editor @a widget.
*
* @param widget The editor widget
*
* @see drawBrushPreview
*/
void Editor::clearBrushPreview(bool refresh)
{
ASSERT(m_cursorThick != 0);
ASSERT(m_sprite != NULL);
getDrawableRegion(clipping_region, kCutTopWindows);
gfx::Point pos = m_cursorEditor;
if (refresh) {
// Restore pixels
ScreenGraphics g;
SetClip clip(&g, gfx::Rect(0, 0, g.width(), g.height()));
forEachBrushPixel(&g, m_cursorScreen, pos, gfx::ColorNone, clearpixel);
}
// Clean pixel/brush preview
if (cursor_type & CURSOR_THINCROSS && m_state->requireBrushPreview()) {
m_document->destroyExtraCel();
if (refresh) {
m_document->notifySpritePixelsModified
(m_sprite, gfx::Region(lastBrushBounds));
}
}
m_cursorThick = 0;
clipping_region.clear();
old_clipping_region.clear();
}
void Editor::moveBrushPreview(const gfx::Point& pos, bool refresh)
{
ASSERT(m_sprite != NULL);
gfx::Point oldScreenPos = m_cursorScreen;
gfx::Point oldEditorPos = m_cursorEditor;
clearBrushPreview(false);
drawBrushPreview(pos, false);
gfx::Point newEditorPos = m_cursorEditor;
if (refresh) {
// Restore pixels
{
ScreenGraphics g;
SetClip clip(&g, gfx::Rect(0, 0, g.width(), g.height()));
forEachBrushPixel(&g, oldScreenPos, oldEditorPos, gfx::ColorNone, clearpixel);
}
if (cursor_type & CURSOR_THINCROSS && m_state->requireBrushPreview()) {
Brush* brush = get_current_brush();
gfx::Rect newBrushBounds = brush->bounds();
newBrushBounds.offset(newEditorPos);
m_document->notifySpritePixelsModified
(m_sprite, gfx::Region(lastBrushBounds.createUnion(newBrushBounds)));
lastBrushBounds = newBrushBounds;
}
// Save area and draw the cursor
ScreenGraphics g;
forEachBrushPixel(&g, m_cursorScreen, newEditorPos, ui_cursor_color, savepixel);
forEachBrushPixel(&g, m_cursorScreen, newEditorPos, ui_cursor_color, drawpixel);
}
}
// Draws the brush cursor inside the specified editor.
// Warning: You should clean the cursor before to use
// this routine with other editor.
//
// Note: x and y params are absolute positions of the mouse.
void Editor::drawBrushPreview(const gfx::Point& pos, bool refresh)
{
ASSERT(m_cursorThick == 0);
ASSERT(m_sprite != NULL);
// Get drawable region
getDrawableRegion(clipping_region, kCutTopWindows);
// Get cursor color
cursor_negative = is_cursor_mask;
// Cursor in the screen (view)
m_cursorScreen = pos;
// Get cursor position in the editor
gfx::Point spritePos = screenToEditor(pos);
// Get the current tool
tools::Tool* tool = getCurrentEditorTool();
tools::Ink* ink = getCurrentEditorInk();
// Setup the cursor type debrushding of several factors (current tool,
// foreground color, and layer transparency).
color_t brush_color = get_brush_color(m_sprite, m_layer);
color_t mask_color = m_sprite->transparentColor();
if (ink->isSelection() || ink->isSlice()) {
cursor_type = CURSOR_THICKCROSS;
}
else if (
// Use cursor bounds for inks that are effects (eraser, blur, etc.)
(ink->isEffect()) ||
// or when the brush color is transparent and we are not in the background layer
(m_layer && !m_layer->isBackground() &&
brush_color == mask_color)) {
cursor_type = CURSOR_BRUSHBOUNDS;
}
else {
cursor_type = CURSOR_THINCROSS;
}
// For cursor type 'bounds' we have to generate cursor boundaries
if (cursor_type & CURSOR_BRUSHBOUNDS)
generate_cursor_boundaries(this);
// Draw pixel/brush preview
if (cursor_type & CURSOR_THINCROSS && m_state->requireBrushPreview()) {
IToolSettings* tool_settings = UIContext::instance()
->settings()
->getToolSettings(tool);
Brush* brush = get_current_brush();
gfx::Rect brushBounds = brush->bounds();
brushBounds.offset(spritePos);
// Create the extra cel to show the brush preview
Site site = getSite();
Cel* cel = site.cel();
m_document->prepareExtraCel(
brushBounds,
cel ? cel->opacity(): 255);
m_document->setExtraCelType(render::ExtraType::NONE);
m_document->setExtraCelBlendMode(
m_layer ? static_cast<LayerImage*>(m_layer)->getBlendMode(): BLEND_MODE_NORMAL);
// In 'indexed' images, if the current color is 0, we have to use
// a different mask color (different from 0) to draw the extra layer
if (brush_color == mask_color)
mask_color = (mask_color == 0 ? 1: 0);
Image* extraImage = m_document->getExtraCelImage();
extraImage->setMaskColor(mask_color);
clear_image(extraImage, mask_color);
if (m_layer) {
render::Render().renderLayer(
extraImage, m_layer, m_frame,
gfx::Clip(0, 0, brushBounds),
BLEND_MODE_COPY);
// This extra cel is a patch for the current layer/frame
m_document->setExtraCelType(render::ExtraType::PATCH);
}
tools::ToolLoop* loop = create_tool_loop_preview(
this, UIContext::instance(), extraImage,
-gfx::Point(brushBounds.x,
brushBounds.y));
if (loop) {
loop->getInk()->prepareInk(loop);
loop->getIntertwine()->prepareIntertwine();
loop->getController()->prepareController();
loop->getPointShape()->preparePointShape(loop);
loop->getPointShape()->transformPoint(
loop, -brush->bounds().x, -brush->bounds().y);
delete loop;
}
if (refresh) {
m_document->notifySpritePixelsModified
(m_sprite, gfx::Region(lastBrushBounds = brushBounds));
}
}
// Save area and draw the cursor
if (refresh) {
ScreenGraphics g;
SetClip clip(&g, gfx::Rect(0, 0, g.width(), g.height()));
forEachBrushPixel(&g, m_cursorScreen, spritePos, ui_cursor_color, savepixel);
forEachBrushPixel(&g, m_cursorScreen, spritePos, ui_cursor_color, drawpixel);
}
// Cursor thickness
m_cursorThick = 1;
// Cursor in the editor (model)
m_cursorEditor = spritePos;
// Save the clipping-region to know where to clean the pixels
old_clipping_region = clipping_region;
}