diff options
Diffstat (limited to 'platform/gl')
| -rw-r--r-- | platform/gl/gl-main.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/platform/gl/gl-main.c b/platform/gl/gl-main.c index 15adb14d..044a41fe 100644 --- a/platform/gl/gl-main.c +++ b/platform/gl/gl-main.c @@ -204,13 +204,28 @@ void update_title(void) glutSetIconTitle(buf); } -void load_page(void) +void transform_page(void) { - fz_irect area; + fz_rect rect = page_bounds; + fz_matrix matrix; + + draw_page_bounds = page_bounds; fz_scale(&draw_page_ctm, currentzoom / 72, currentzoom / 72); fz_pre_rotate(&draw_page_ctm, -currentrotate); + /* fix the page origin at 0,0 after rotation */ + fz_transform_rect(&rect, &draw_page_ctm); + fz_translate(&matrix, -rect.x0, -rect.y0); + fz_concat(&draw_page_ctm, &draw_page_ctm, &matrix); + + fz_transform_rect(&draw_page_bounds, &draw_page_ctm); +} + +void load_page(void) +{ + fz_irect area; + /* clear all editor selections */ selected_annot = NULL; @@ -230,8 +245,8 @@ void load_page(void) /* compute bounds here for initial window size */ fz_bound_page(ctx, fzpage, &page_bounds); - draw_page_bounds = page_bounds; - fz_transform_rect(&draw_page_bounds, &draw_page_ctm); + transform_page(); + fz_irect_from_rect(&area, &draw_page_bounds); page_tex.w = area.x1 - area.x0; page_tex.h = area.y1 - area.y0; @@ -241,8 +256,7 @@ void render_page(void) { fz_pixmap *pix; - fz_scale(&draw_page_ctm, currentzoom / 72, currentzoom / 72); - fz_pre_rotate(&draw_page_ctm, -currentrotate); + transform_page(); pix = fz_new_pixmap_from_page(ctx, fzpage, &draw_page_ctm, fz_device_rgb(ctx), 0); if (currentinvert) |