41 lines
1.0 KiB
C++
41 lines
1.0 KiB
C++
#include "LandscapePageLayout.hpp"
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#include "common.h"
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#include <algorithm>
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LandscapePageLayout::LandscapePageLayout(fz_document *doc, int current_page):PageLayout(doc, current_page)
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{
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int w = viewport.w;
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viewport.w = viewport.h;
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viewport.h = w;
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render_page_to_texture(_current_page, true);
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reset();
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}
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void LandscapePageLayout::reset()
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{
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page_center = fz_make_point(viewport.h / 2, viewport.w / 2);
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set_zoom(min_zoom);
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};
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void LandscapePageLayout::draw_page()
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{
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float w = page_bounds.x1 * zoom, h = page_bounds.y1 * zoom;
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SDL_Rect rect;
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rect.y = page_center.y - h / 2;
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rect.x = page_center.x - w / 2;
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rect.w = w;
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rect.h = h;
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SDL_RenderCopyEx(RENDERER, page_texture, NULL, &rect, 90, NULL, SDL_FLIP_NONE);
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}
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void LandscapePageLayout::move_page(float x, float y)
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{
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float w = page_bounds.x1 * zoom, h = page_bounds.y1 * zoom;
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page_center.x = fmin(fmax(page_center.x + y, h / 2), viewport.h - h / 2);
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page_center.y = fmin(fmax(page_center.y + x, viewport.w - w / 2), w / 2);
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}
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