mirror of
https://github.com/joel16/VitaShell.git
synced 2024-11-30 07:10:28 +00:00
380 lines
8.5 KiB
C
380 lines
8.5 KiB
C
/*
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VitaShell
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Copyright (C) 2015-2017, TheFloW
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "main.h"
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#include "archive.h"
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#include "photo.h"
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#include "file.h"
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#include "theme.h"
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#include "utils.h"
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static vita2d_texture *loadImage(const char *file, int type, char *buffer) {
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vita2d_texture *tex = NULL;
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if (isInArchive()) {
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int size = 0;
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if (isInArchive()) {
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enum FileTypes archiveType = getArchiveType();
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switch(archiveType){
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case FILE_TYPE_ZIP:
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size = ReadArchiveFile(file, buffer, BIG_BUFFER_SIZE);
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break;
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case FILE_TYPE_RAR:
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size = ReadArchiveRARFile(file,buffer,BIG_BUFFER_SIZE);
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break;
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default:
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size = -1;
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break;
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}
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} else {
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size = ReadFile(file, buffer, BIG_BUFFER_SIZE);
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}
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if (size <= 0) {
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return NULL;
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}
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switch (type) {
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case FILE_TYPE_BMP:
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tex = vita2d_load_BMP_buffer(buffer);
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break;
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case FILE_TYPE_PNG:
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tex = vita2d_load_PNG_buffer(buffer);
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break;
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case FILE_TYPE_JPEG:
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tex = vita2d_load_JPEG_buffer(buffer, size);
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break;
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}
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} else {
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switch (type) {
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case FILE_TYPE_BMP:
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tex = vita2d_load_BMP_file(file);
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break;
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case FILE_TYPE_PNG:
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tex = vita2d_load_PNG_file(file);
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break;
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case FILE_TYPE_JPEG:
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tex = vita2d_load_JPEG_file(file);
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break;
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}
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}
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// Set bilinear filter
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if (tex)
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vita2d_texture_set_filters(tex, SCE_GXM_TEXTURE_FILTER_LINEAR, SCE_GXM_TEXTURE_FILTER_LINEAR);
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return tex;
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}
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static int isHorizontal(float rad) {
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return ((int)sinf(rad) == 0) ? 1 : 0;
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}
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static void photoMode(float *zoom, float width, float height, float rad, int mode) {
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int horizontal = isHorizontal(rad);
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float h = (horizontal ? height : width);
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float w = (horizontal ? width : height);
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switch (mode) {
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case MODE_CUSTOM:
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break;
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case MODE_PERFECT: // this is only used for showing image the first time
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if (h > SCREEN_HEIGHT) { // first priority, fit height
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*zoom = SCREEN_HEIGHT/h;
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} else if (w > SCREEN_WIDTH) { // second priority, fit screen
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*zoom = SCREEN_WIDTH/w;
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} else { // otherwise, original size
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*zoom = 1.0f;
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}
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break;
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case MODE_ORIGINAL:
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*zoom = 1.0f;
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break;
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case MODE_FIT_HEIGHT:
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*zoom = SCREEN_HEIGHT/h;
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break;
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case MODE_FIT_WIDTH:
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*zoom = SCREEN_WIDTH/w;
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break;
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}
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}
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static int getNextZoomMode(float *zoom, float width, float height, float rad, int mode) {
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float next_zoom = ZOOM_MAX, smallest_zoom = ZOOM_MAX;;
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int next_mode = MODE_ORIGINAL, smallest_mode = MODE_ORIGINAL;
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int i = 0;
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while (i < 3) {
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if (mode == MODE_CUSTOM || mode == MODE_PERFECT || mode == MODE_FIT_WIDTH) {
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mode = MODE_ORIGINAL;
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} else {
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mode++;
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}
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float new_zoom = 0.0f;
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photoMode(&new_zoom, width, height, rad, mode);
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if (new_zoom < smallest_zoom) {
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smallest_zoom = new_zoom;
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smallest_mode = mode;
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}
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if (new_zoom > *zoom && new_zoom < next_zoom) {
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next_zoom = new_zoom;
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next_mode = mode;
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}
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i++;
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}
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// Get smallest then
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if (next_zoom == ZOOM_MAX) {
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next_zoom = smallest_zoom;
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next_mode = smallest_mode;
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}
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*zoom = next_zoom;
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return next_mode;
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}
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static void resetImageInfo(vita2d_texture *tex, float *width, float *height, float *x, float *y, float *rad, float *zoom, int *mode, uint64_t *time) {
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*width = vita2d_texture_get_width(tex);
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*height = vita2d_texture_get_height(tex);
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*x = *width/2.0f;
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*y = *height/2.0f;
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*rad = 0;
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*zoom = 1.0f;
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*mode = MODE_PERFECT;
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photoMode(zoom, *width, *height, *rad, *mode);
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*time = 0;
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}
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int photoViewer(const char *file, int type, FileList *list, FileListEntry *entry, int *base_pos, int *rel_pos) {
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char *buffer = malloc(BIG_BUFFER_SIZE);
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if (!buffer)
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return -1;
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vita2d_texture *tex = loadImage(file, type, buffer);
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if (!tex) {
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free(buffer);
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return -1;
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}
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// Variables
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float width = 0.0f, height = 0.0f, x = 0.0f, y = 0.0f, rad = 0.0f, zoom = 1.0f;
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int mode = MODE_PERFECT;
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uint64_t time = 0;
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// Reset image
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resetImageInfo(tex, &width, &height, &x, &y, &rad, &zoom, &mode, &time);
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while (1) {
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readPad();
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// Cancel
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if (pressed_buttons & SCE_CTRL_CANCEL) {
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break;
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}
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// Previous/next image.
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if (pressed_buttons & SCE_CTRL_LEFT || pressed_buttons & SCE_CTRL_RIGHT) {
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int available = 0;
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int old_base_pos = *base_pos;
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int old_rel_pos = *rel_pos;
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FileListEntry *old_entry = entry;
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int previous = pressed_buttons & SCE_CTRL_LEFT;
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while (previous ? entry->previous : entry->next) {
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entry = previous ? entry->previous : entry->next;
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if (previous) {
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if (*rel_pos > 0) {
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(*rel_pos)--;
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} else {
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if (*base_pos > 0) {
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(*base_pos)--;
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}
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}
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} else {
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if ((*rel_pos+1) < list->length) {
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if ((*rel_pos+1) < MAX_POSITION) {
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(*rel_pos)++;
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} else {
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if ((*base_pos+*rel_pos+1) < list->length) {
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(*base_pos)++;
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}
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}
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}
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}
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if (!entry->is_folder) {
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char path[MAX_PATH_LENGTH];
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snprintf(path, MAX_PATH_LENGTH, "%s%s", list->path, entry->name);
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int type = getFileType(path);
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if (type == FILE_TYPE_BMP || type == FILE_TYPE_JPEG || type == FILE_TYPE_PNG) {
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vita2d_wait_rendering_done();
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vita2d_free_texture(tex);
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tex = loadImage(path, type, buffer);
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if (!tex) {
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free(buffer);
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return -1;
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}
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// Reset image
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resetImageInfo(tex, &width, &height, &x, &y, &rad, &zoom, &mode, &time);
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available = 1;
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break;
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}
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}
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}
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if (!available) {
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*base_pos = old_base_pos;
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*rel_pos = old_rel_pos;
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entry = old_entry;
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}
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}
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// Photo mode
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if (pressed_buttons & SCE_CTRL_ENTER) {
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time = sceKernelGetProcessTimeWide();
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x = width/2.0f;
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y = height/2.0f;
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// Find next mode
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mode = getNextZoomMode(&zoom, width, height, rad, mode);
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}
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// Rotate
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if (pressed_buttons & SCE_CTRL_LTRIGGER) {
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rad -= M_PI_2;
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if (rad < 0)
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rad += M_TWOPI;
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photoMode(&zoom, width, height, rad, mode);
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} else if (pressed_buttons & SCE_CTRL_RTRIGGER) {
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rad += M_PI_2;
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if (rad >= M_TWOPI)
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rad -= M_TWOPI;
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photoMode(&zoom, width, height, rad, mode);
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}
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// Zoom
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if (current_buttons & SCE_CTRL_RIGHT_ANALOG_DOWN) {
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time = sceKernelGetProcessTimeWide();
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mode = MODE_CUSTOM;
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zoom /= ZOOM_FACTOR;
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} else if (current_buttons & SCE_CTRL_RIGHT_ANALOG_UP) {
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time = sceKernelGetProcessTimeWide();
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mode = MODE_CUSTOM;
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zoom *= ZOOM_FACTOR;
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}
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if (zoom < ZOOM_MIN) {
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zoom = ZOOM_MIN;
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}
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if (zoom > ZOOM_MAX) {
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zoom = ZOOM_MAX;
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}
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// Move
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if (pad.lx < (ANALOG_CENTER - ANALOG_SENSITIVITY) || pad.lx > (ANALOG_CENTER + ANALOG_SENSITIVITY)) {
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float d = ((pad.lx-ANALOG_CENTER) / MOVE_DIVISION) / zoom;
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if (isHorizontal(rad)) {
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x += cosf(rad) * d;
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} else {
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y += -sinf(rad) * d;
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}
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}
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if (pad.ly < (ANALOG_CENTER - ANALOG_SENSITIVITY) || pad.ly > (ANALOG_CENTER + ANALOG_SENSITIVITY)) {
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float d = ((pad.ly-ANALOG_CENTER) / MOVE_DIVISION) / zoom;
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if (isHorizontal(rad)) {
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y += cosf(rad) * d;
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} else {
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x += sinf(rad) * d;
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}
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}
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// Limit
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int horizontal = isHorizontal(rad);
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float w = horizontal ? SCREEN_HALF_WIDTH : SCREEN_HALF_HEIGHT;
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float h = horizontal ? SCREEN_HALF_HEIGHT : SCREEN_HALF_WIDTH;
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if ((zoom*width) > 2.0f*w) {
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if (x < (w/zoom)) {
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x = w/zoom;
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} else if (x > (width - w/zoom)) {
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x = width - w/zoom;
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}
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} else {
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x = width / 2.0f;
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}
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if ((zoom*height) > 2.0f*h) {
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if (y < (h/zoom)) {
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y = h/zoom;
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} else if (y > (height - h/zoom)) {
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y = height - h/zoom;
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}
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} else {
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y = height/2.0f;
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}
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// Start drawing
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startDrawing(bg_photo_image);
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// Photo
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vita2d_draw_texture_scale_rotate_hotspot(tex, SCREEN_HALF_WIDTH, SCREEN_HALF_HEIGHT, zoom, zoom, rad, x, y);
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// Zoom text
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if ((sceKernelGetProcessTimeWide() - time) < ZOOM_TEXT_TIME)
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pgf_draw_textf(SHELL_MARGIN_X, SCREEN_HEIGHT - 3.0f * SHELL_MARGIN_Y, PHOTO_ZOOM_COLOR, FONT_SIZE, "%.0f%%", zoom * 100.0f);
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// End drawing
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endDrawing();
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}
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vita2d_wait_rendering_done();
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vita2d_free_texture(tex);
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free(buffer);
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return 0;
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} |