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Fix y-axis mapping incorrect for images

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Kovid Goyal
2017-10-04 19:34:34 +05:30
parent e9bc64205e
commit 46bb482e96
2 changed files with 11 additions and 11 deletions
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10
kitty/graphics.c
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@@ -575,17 +575,17 @@ grman_update_layers(GraphicsManager *self, unsigned int scrolled_by, float scree
Image *img; ImageRef *ref;
ImageRect r;
float screen_width = dx * num_cols, screen_height = dy * num_rows;
float screen_bottom = screen_top + screen_height;
float screen_bottom = screen_top - screen_height;
float screen_width_px = num_cols * global_state.cell_width;
float screen_height_px = num_rows * global_state.cell_height;
// Iterate over all visible refs and create render data
self->count = 0;
for (i = 0; i < self->image_count; i++) { img = self->images + i; for (j = 0; j < img->refcnt; j++) { ref = img->refs + j;
r.top = screen_top + (scrolled_by + ref->start_row) * dy + dy * (float)ref->cell_y_offset / (float)global_state.cell_height;
if (ref->num_rows) r.bottom = screen_top + (scrolled_by + ref->start_row + ref->num_rows) * dy;
else r.bottom = r.top + screen_height * (float)ref->src_height / screen_height_px;
if (r.top > screen_bottom || r.bottom < screen_top) continue; // not visible
r.top = screen_top - (scrolled_by + ref->start_row) * dy - dy * (float)ref->cell_y_offset / (float)global_state.cell_height;
if (ref->num_rows) r.bottom = screen_top - (scrolled_by + ref->start_row + ref->num_rows) * dy;
else r.bottom = r.top - screen_height * (float)ref->src_height / screen_height_px;
if (r.top < screen_bottom || r.bottom > screen_top) continue; // not visible
r.left = screen_left + ref->start_column * dx + dx * (float)ref->cell_x_offset / (float) global_state.cell_width;
if (ref->num_cols) r.right = screen_left + (ref->start_column + ref->num_cols) * dx;