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Use coordinates of type double to calculate grid lines positions

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This commit is contained in:
Martín Capello 2023-03-03 17:00:24 -03:00 committed by David Capello
parent 232131122e
commit ff14066d1f
1 changed files with 10 additions and 9 deletions
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19
src/app/ui/editor/editor.cpp
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@ -1085,16 +1085,17 @@ void Editor::drawGrid(Graphics* g, const gfx::Rect& spriteBounds, const Rect& gr
if (grid.y < 0) grid.y += grid.h;
// Convert the "grid" rectangle to screen coordinates
grid = editorToScreen(grid);
if (grid.w < 1 || grid.h < 1)
RectF gridF(grid);
gridF = editorToScreenF(gridF);
if (gridF.w < 1. || gridF.h < 1.)
return;
// Adjust for client area
gfx::Rect bounds = this->bounds();
grid.offset(-bounds.origin());
gridF.offset(-bounds.origin());
while (grid.x-grid.w >= spriteBounds.x) grid.x -= grid.w;
while (grid.y-grid.h >= spriteBounds.y) grid.y -= grid.h;
while (gridF.x-gridF.w >= spriteBounds.x) gridF.x -= gridF.w;
while (gridF.y-gridF.h >= spriteBounds.y) gridF.y -= gridF.h;
// Get the grid's color
gfx::Color grid_color = color_utils::color_for_ui(color);
@ -1105,18 +1106,18 @@ void Editor::drawGrid(Graphics* g, const gfx::Rect& spriteBounds, const Rect& gr
// Draw horizontal lines
int x1 = spriteBounds.x;
int y1 = grid.y;
int y1 = gridF.y;
int x2 = spriteBounds.x + spriteBounds.w;
int y2 = spriteBounds.y + spriteBounds.h;
for (int c=y1; c<=y2; c+=grid.h)
for (double c=y1; c<=y2; c+=gridF.h)
g->drawHLine(grid_color, x1, c, spriteBounds.w);
// Draw vertical lines
x1 = grid.x;
x1 = gridF.x;
y1 = spriteBounds.y;
for (int c=x1; c<=x2; c+=grid.w)
for (double c=x1; c<=x2; c+=gridF.w)
g->drawVLine(grid_color, c, y1, spriteBounds.h);
}