JNIEXPORT jobjectArray JNICALL Java_com_artifex_mupdf_MuPDFCore_getWidgetAreasInternal(JNIEnv * env, jobject thiz, int pageNumber) { jclass rectFClass; jmethodID ctor; jobjectArray arr; jobject rectF; fz_interactive *idoc; fz_widget *widget; fz_matrix ctm; float zoom; int count; page_cache *pc; rectFClass = (*env)->FindClass(env, "android/graphics/RectF"); if (rectFClass == NULL) return NULL; ctor = (*env)->GetMethodID(env, rectFClass, "<init>", "(FFFF)V"); if (ctor == NULL) return NULL; Java_com_artifex_mupdf_MuPDFCore_gotoPageInternal(env, thiz, pageNumber); pc = &pages[current]; if (pc->number != pageNumber || pc->page == NULL) return NULL; idoc = fz_interact(doc); if (idoc == NULL) return NULL; zoom = resolution / 72; ctm = fz_scale(zoom, zoom); count = 0; for (widget = fz_first_widget(idoc, pc->page); widget; widget = fz_next_widget(idoc, widget)) count ++; arr = (*env)->NewObjectArray(env, count, rectFClass, NULL); if (arr == NULL) return NULL; count = 0; for (widget = fz_first_widget(idoc, pc->page); widget; widget = fz_next_widget(idoc, widget)) { fz_rect rect = fz_transform_rect(ctm, *fz_widget_bbox(widget)); rectF = (*env)->NewObject(env, rectFClass, ctor, (float)rect.x0, (float)rect.y0, (float)rect.x1, (float)rect.y1); if (rectF == NULL) return NULL; (*env)->SetObjectArrayElement(env, arr, count, rectF); (*env)->DeleteLocalRef(env, rectF); count ++; } return arr; }
JNIEXPORT int JNICALL Java_com_artifex_mupdf_MuPDFCore_passClickEventInternal(JNIEnv * env, jobject thiz, int pageNumber, float x, float y) { fz_matrix ctm; fz_interactive *idoc = fz_interact(doc); float zoom; fz_point p; fz_ui_event event; int changed = 0; page_cache *pc; if (idoc == NULL) return 0; Java_com_artifex_mupdf_MuPDFCore_gotoPageInternal(env, thiz, pageNumber); pc = &pages[current]; if (pc->number != pageNumber || pc->page == NULL) return 0; p.x = x; p.y = y; /* Ultimately we should probably return a pointer to a java structure * with the link details in, but for now, page number will suffice. */ zoom = resolution / 72; ctm = fz_scale(zoom, zoom); ctm = fz_invert_matrix(ctm); p = fz_transform_point(ctm, p); fz_try(ctx) { event.etype = FZ_EVENT_TYPE_POINTER; event.event.pointer.pt = p; event.event.pointer.ptype = FZ_POINTER_DOWN; changed = fz_pass_event(idoc, pc->page, &event); event.event.pointer.ptype = FZ_POINTER_UP; changed |= fz_pass_event(idoc, pc->page, &event); if (changed) { dump_annotation_display_lists(); } } fz_catch(ctx) { LOGE("passClickEvent: %s", ctx->error->message); } return changed; }
JNIEXPORT int JNICALL Java_com_artifex_mupdf_MuPDFCore_getFocusedWidgetTypeInternal(JNIEnv * env, jobject thiz) { fz_interactive *idoc = fz_interact(doc); fz_widget *focus; if (idoc == NULL) return NONE; focus = fz_focused_widget(idoc); if (focus == NULL) return NONE; switch (fz_widget_get_type(focus)) { case FZ_WIDGET_TYPE_TEXT: return TEXT; case FZ_WIDGET_TYPE_LISTBOX: return LISTBOX; case FZ_WIDGET_TYPE_COMBOBOX: return COMBOBOX; } return NONE; }
JNIEXPORT int JNICALL Java_com_artifex_mupdf_MuPDFCore_setFocusedWidgetTextInternal(JNIEnv * env, jobject thiz, jstring jtext) { const char *text; int result = 0; text = (*env)->GetStringUTFChars(env, jtext, NULL); if (text == NULL) { LOGE("Failed to get text"); return 0; } fz_try(ctx) { fz_interactive *idoc = fz_interact(doc); if (idoc) { fz_widget *focus = fz_focused_widget(idoc); if (focus) { result = fz_text_widget_set_text(idoc, focus, text); dump_annotation_display_lists(); } } } fz_catch(ctx) { LOGE("setFocusedWidgetText failed: %s", ctx->error->message); } (*env)->ReleaseStringUTFChars(env, jtext, text); return result; }
JNIEXPORT jstring JNICALL Java_com_artifex_mupdf_MuPDFCore_getFocusedWidgetTextInternal(JNIEnv * env, jobject thiz) { char *text = ""; fz_try(ctx) { fz_interactive *idoc = fz_interact(doc); if (idoc) { fz_widget *focus = fz_focused_widget(idoc); if (focus) text = fz_text_widget_text(idoc, focus); } } fz_catch(ctx) { LOGE("getFocusedWidgetText failed: %s", ctx->error->message); } return (*env)->NewStringUTF(env, text); }
static void drawpage(fz_context *ctx, fz_document *doc, int pagenum) { fz_page *page; fz_display_list *list = NULL; fz_device *dev = NULL; int start; fz_cookie cookie = { 0 }; int needshot = 0; fz_var(list); fz_var(dev); if (showtime) { start = gettime(); } fz_try(ctx) { page = fz_load_page(doc, pagenum - 1); } fz_catch(ctx) { fz_throw(ctx, "cannot load page %d in file '%s'", pagenum, filename); } if (mujstest_file) { fz_interactive *inter = fz_interact(doc); fz_widget *widget = NULL; if (inter) widget = fz_first_widget(inter, page); if (widget) { fprintf(mujstest_file, "GOTO %d\n", pagenum); needshot = 1; } for (;widget; widget = fz_next_widget(inter, widget)) { fz_rect rect = fz_widget_bbox(widget); int w = (rect.x1-rect.x0); int h = (rect.y1-rect.y0); int len; int type = fz_widget_get_type(widget); ++mujstest_count; switch (type) { default: fprintf(mujstest_file, "%% UNKNOWN %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1); break; case FZ_WIDGET_TYPE_PUSHBUTTON: fprintf(mujstest_file, "%% PUSHBUTTON %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1); break; case FZ_WIDGET_TYPE_CHECKBOX: fprintf(mujstest_file, "%% CHECKBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1); break; case FZ_WIDGET_TYPE_RADIOBUTTON: fprintf(mujstest_file, "%% RADIOBUTTON %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1); break; case FZ_WIDGET_TYPE_TEXT: { int maxlen = fz_text_widget_max_len(inter, widget); int texttype = fz_text_widget_content_type(inter, widget); /* If height is low, assume a single row, and base * the width off that. */ if (h < 10) { w = (w+h-1) / (h ? h : 1); h = 1; } /* Otherwise, if width is low, work off height */ else if (w < 10) { h = (w+h-1) / (w ? w : 1); w = 1; } else { w = (w+9)/10; h = (h+9)/10; } len = w*h; if (len < 2) len = 2; if (len > maxlen) len = maxlen; fprintf(mujstest_file, "%% TEXT %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1); switch (texttype) { default: case FZ_WIDGET_CONTENT_UNRESTRAINED: fprintf(mujstest_file, "TEXT %d ", mujstest_count); escape_string(mujstest_file, len-3, lorem); fprintf(mujstest_file, "\n"); break; case FZ_WIDGET_CONTENT_NUMBER: fprintf(mujstest_file, "TEXT %d\n", mujstest_count); break; case FZ_WIDGET_CONTENT_SPECIAL: fprintf(mujstest_file, "TEXT %lld\n", 46702919800LL + mujstest_count); break; case FZ_WIDGET_CONTENT_DATE: fprintf(mujstest_file, "TEXT Jun %d 1979\n", 1 + ((13 + mujstest_count) % 30)); break; case FZ_WIDGET_CONTENT_TIME: ++mujstest_count; fprintf(mujstest_file, "TEXT %02d:%02d\n", ((mujstest_count/60) % 24), mujstest_count % 60); break; } break; } case FZ_WIDGET_TYPE_LISTBOX: fprintf(mujstest_file, "%% LISTBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1); break; case FZ_WIDGET_TYPE_COMBOBOX: fprintf(mujstest_file, "%% COMBOBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1); break; } fprintf(mujstest_file, "CLICK %0.2f %0.2f\n", (rect.x0+rect.x1)/2, (rect.y0+rect.y1)/2); } } if (uselist) { fz_try(ctx) { list = fz_new_display_list(ctx); dev = fz_new_list_device(ctx, list); fz_run_page(doc, page, dev, fz_identity, &cookie); } fz_always(ctx) { fz_free_device(dev); dev = NULL; } fz_catch(ctx) { fz_free_display_list(ctx, list); fz_free_page(doc, page); fz_throw(ctx, "cannot draw page %d in file '%s'", pagenum, filename); } } if (showxml) { fz_try(ctx) { dev = fz_new_trace_device(ctx); fz_printf(out, "<page number=\"%d\">\n", pagenum); if (list) fz_run_display_list(list, dev, fz_identity, fz_infinite_rect, &cookie); else fz_run_page(doc, page, dev, fz_identity, &cookie); fz_printf(out, "</page>\n"); } fz_always(ctx) { fz_free_device(dev); dev = NULL; } fz_catch(ctx) { fz_free_display_list(ctx, list); fz_free_page(doc, page); fz_rethrow(ctx); } } if (showtext) { fz_text_page *text = NULL; fz_var(text); fz_try(ctx) { text = fz_new_text_page(ctx, fz_bound_page(doc, page)); dev = fz_new_text_device(ctx, sheet, text); if (list) fz_run_display_list(list, dev, fz_identity, fz_infinite_rect, &cookie); else fz_run_page(doc, page, dev, fz_identity, &cookie); fz_free_device(dev); dev = NULL; if (showtext == TEXT_XML) { fz_print_text_page_xml(ctx, out, text); } else if (showtext == TEXT_HTML) { fz_print_text_page_html(ctx, out, text); } else if (showtext == TEXT_PLAIN) { fz_print_text_page(ctx, out, text); fz_printf(out, "\f\n"); } } fz_always(ctx) { fz_free_device(dev); dev = NULL; fz_free_text_page(ctx, text); } fz_catch(ctx) { fz_free_display_list(ctx, list); fz_free_page(doc, page); fz_rethrow(ctx); } } if (showmd5 || showtime) printf("page %s %d", filename, pagenum); #ifdef GDI_PLUS_BMP_RENDERER // hack: use -G0 to "enable GDI+" when saving as TGA if (output && (strstr(output, ".bmp") || strstr(output, ".tga") && !gamma_value)) drawbmp(ctx, doc, page, list, pagenum); else #endif if (output || showmd5 || showtime) { float zoom; fz_matrix ctm; fz_rect bounds, tbounds; fz_bbox ibounds; fz_pixmap *pix = NULL; int w, h; fz_var(pix); bounds = fz_bound_page(doc, page); zoom = resolution / 72; ctm = fz_scale(zoom, zoom); ctm = fz_concat(ctm, fz_rotate(rotation)); tbounds = fz_transform_rect(ctm, bounds); ibounds = fz_round_rect(tbounds); /* convert to integers */ /* Make local copies of our width/height */ w = width; h = height; /* If a resolution is specified, check to see whether w/h are * exceeded; if not, unset them. */ if (res_specified) { int t; t = ibounds.x1 - ibounds.x0; if (w && t <= w) w = 0; t = ibounds.y1 - ibounds.y0; if (h && t <= h) h = 0; } /* Now w or h will be 0 unless they need to be enforced. */ if (w || h) { float scalex = w / (tbounds.x1 - tbounds.x0); float scaley = h / (tbounds.y1 - tbounds.y0); if (fit) { if (w == 0) scalex = 1.0f; if (h == 0) scaley = 1.0f; } else { if (w == 0) scalex = scaley; if (h == 0) scaley = scalex; } if (!fit) { if (scalex > scaley) scalex = scaley; else scaley = scalex; } ctm = fz_concat(ctm, fz_scale(scalex, scaley)); tbounds = fz_transform_rect(ctm, bounds); } ibounds = fz_round_rect(tbounds); /* TODO: banded rendering and multi-page ppm */ fz_try(ctx) { pix = fz_new_pixmap_with_bbox(ctx, colorspace, ibounds); if (savealpha) fz_clear_pixmap(ctx, pix); else fz_clear_pixmap_with_value(ctx, pix, 255); dev = fz_new_draw_device(ctx, pix); if (list) fz_run_display_list(list, dev, ctm, tbounds, &cookie); else fz_run_page(doc, page, dev, ctm, &cookie); fz_free_device(dev); dev = NULL; if (invert) fz_invert_pixmap(ctx, pix); if (gamma_value != 1) fz_gamma_pixmap(ctx, pix, gamma_value); if (savealpha) fz_unmultiply_pixmap(ctx, pix); if (output) { char buf[512]; sprintf(buf, output, pagenum); if (strstr(output, ".pgm") || strstr(output, ".ppm") || strstr(output, ".pnm")) fz_write_pnm(ctx, pix, buf); else if (strstr(output, ".pam")) fz_write_pam(ctx, pix, buf, savealpha); else if (strstr(output, ".png")) fz_write_png(ctx, pix, buf, savealpha); else if (strstr(output, ".pbm")) { fz_bitmap *bit = fz_halftone_pixmap(ctx, pix, NULL); fz_write_pbm(ctx, bit, buf); fz_drop_bitmap(ctx, bit); } /* SumatraPDF: support TGA as output format */ else if (strstr(output, ".tga")) fz_write_tga(ctx, pix, buf, savealpha); } if (showmd5) { unsigned char digest[16]; int i; fz_md5_pixmap(pix, digest); printf(" "); for (i = 0; i < 16; i++) printf("%02x", digest[i]); } } fz_always(ctx) { fz_free_device(dev); dev = NULL; fz_drop_pixmap(ctx, pix); } fz_catch(ctx) { fz_free_display_list(ctx, list); fz_free_page(doc, page); fz_rethrow(ctx); } }
JNIEXPORT jboolean JNICALL Java_com_artifex_mupdf_MuPDFCore_updatePageInternal(JNIEnv *env, jobject thiz, jobject bitmap, int page, int pageW, int pageH, int patchX, int patchY, int patchW, int patchH) { AndroidBitmapInfo info; void *pixels; int ret; fz_device *dev = NULL; float zoom; fz_matrix ctm; fz_bbox bbox; fz_pixmap *pix = NULL; float xscale, yscale; fz_bbox rect; fz_interactive *idoc; page_cache *pc = NULL; int hq = (patchW < pageW || patchH < pageH); int i; for (i = 0; i < NUM_CACHE; i++) { if (pages[i].page != NULL && pages[i].number == page) { pc = &pages[i]; break; } } if (pc == NULL || (hq && pc->hq_page == NULL)) { Java_com_artifex_mupdf_MuPDFCore_gotoPageInternal(env, thiz, page); return Java_com_artifex_mupdf_MuPDFCore_drawPage(env, thiz, bitmap, pageW, pageH, patchX, patchY, patchW, patchH); } idoc = fz_interact(doc); fz_var(pix); fz_var(dev); LOGI("In native method\n"); if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) { LOGE("AndroidBitmap_getInfo() failed ! error=%d", ret); return 0; } LOGI("Checking format\n"); if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) { LOGE("Bitmap format is not RGBA_8888 !"); return 0; } LOGI("locking pixels\n"); if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0) { LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret); return 0; } /* Call mupdf to render display list to screen */ LOGE("Rendering page(%d)=%dx%d patch=[%d,%d,%d,%d]", pc->number, pageW, pageH, patchX, patchY, patchW, patchH); fz_try(ctx) { fz_annot *annot; // Unimportant which page object we use for rendering but we // must use the correct one for calculating updates fz_page *page = hq ? pc->hq_page : pc->page; fz_update_page(idoc, page); if (pc->page_list == NULL) { /* Render to list */ pc->page_list = fz_new_display_list(ctx); dev = fz_new_list_device(ctx, pc->page_list); fz_run_page_contents(doc, page, dev, fz_identity, NULL); } if (pc->annot_list == NULL) { if (dev) { fz_free_device(dev); dev = NULL; } pc->annot_list = fz_new_display_list(ctx); dev = fz_new_list_device(ctx, pc->annot_list); for (annot = fz_first_annot(doc, page); annot; annot = fz_next_annot(doc, annot)) fz_run_annot(doc, page, annot, dev, fz_identity, NULL); } rect.x0 = patchX; rect.y0 = patchY; rect.x1 = patchX + patchW; rect.y1 = patchY + patchH; pix = fz_new_pixmap_with_bbox_and_data(ctx, colorspace, rect, pixels); zoom = resolution / 72; ctm = fz_scale(zoom, zoom); bbox = fz_round_rect(fz_transform_rect(ctm, pc->media_box)); /* Now, adjust ctm so that it would give the correct page width * heights. */ xscale = (float)pageW/(float)(bbox.x1-bbox.x0); yscale = (float)pageH/(float)(bbox.y1-bbox.y0); ctm = fz_concat(ctm, fz_scale(xscale, yscale)); bbox = fz_round_rect(fz_transform_rect(ctm, pc->media_box)); LOGI("Start polling for updates"); while ((annot = fz_poll_changed_annot(idoc, page)) != NULL) { fz_bbox abox = fz_round_rect(fz_transform_rect(ctm, fz_bound_annot(doc, annot))); abox = fz_intersect_bbox(abox, rect); LOGI("Update rectanglefor %s - (%d, %d, %d, %d)", widget_type_string(fz_widget_get_type((fz_widget*)annot)), abox.x0, abox.y0, abox.x1, abox.y1); if (!fz_is_empty_bbox(abox)) { LOGI("And it isn't empty"); fz_clear_pixmap_rect_with_value(ctx, pix, 0xff, abox); dev = fz_new_draw_device_with_bbox(ctx, pix, abox); if (pc->page_list) fz_run_display_list(pc->page_list, dev, ctm, abox, NULL); if (pc->annot_list) fz_run_display_list(pc->annot_list, dev, ctm, abox, NULL); fz_free_device(dev); dev = NULL; } } LOGI("Done polling for updates"); LOGE("Rendered"); } fz_catch(ctx) { fz_free_device(dev); LOGE("Render failed"); } fz_drop_pixmap(ctx, pix); AndroidBitmap_unlockPixels(env, bitmap); return 1; }
JNIEXPORT jboolean JNICALL Java_com_artifex_mupdf_MuPDFCore_drawPage(JNIEnv *env, jobject thiz, jobject bitmap, int pageW, int pageH, int patchX, int patchY, int patchW, int patchH) { AndroidBitmapInfo info; void *pixels; int ret; fz_device *dev = NULL; float zoom; fz_matrix ctm; fz_bbox bbox; fz_pixmap *pix = NULL; float xscale, yscale; fz_bbox rect; page_cache *pc = &pages[current]; int hq = (patchW < pageW || patchH < pageH); if (pc->page == NULL) return 0; fz_var(pix); fz_var(dev); LOGI("In native method\n"); if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) { LOGE("AndroidBitmap_getInfo() failed ! error=%d", ret); return 0; } LOGI("Checking format\n"); if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) { LOGE("Bitmap format is not RGBA_8888 !"); return 0; } LOGI("locking pixels\n"); if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0) { LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret); return 0; } /* Call mupdf to render display list to screen */ LOGE("Rendering page(%d)=%dx%d patch=[%d,%d,%d,%d]", pc->number, pageW, pageH, patchX, patchY, patchW, patchH); fz_try(ctx) { fz_interactive *idoc = fz_interact(doc); // Call fz_update_page now to ensure future calls yield the // changes from the current state fz_update_page(idoc, pc->page); if (hq) { // This is a rendering of the hq patch. Ensure there's a second copy of the // page for use when updating this patch if (pc->hq_page) { if (idoc) fz_update_page(idoc, pc->hq_page); } else { // There is only ever one hq patch, so we need // cache only one page object for the sake of hq clear_hq_pages(); pc->hq_page = fz_load_page(doc, pc->number); } } if (pc->page_list == NULL) { /* Render to list */ pc->page_list = fz_new_display_list(ctx); dev = fz_new_list_device(ctx, pc->page_list); fz_run_page_contents(doc, pc->page, dev, fz_identity, NULL); } if (pc->annot_list == NULL) { fz_annot *annot; if (dev) { fz_free_device(dev); dev = NULL; } pc->annot_list = fz_new_display_list(ctx); dev = fz_new_list_device(ctx, pc->annot_list); for (annot = fz_first_annot(doc, pc->page); annot; annot = fz_next_annot(doc, annot)) fz_run_annot(doc, pc->page, annot, dev, fz_identity, NULL); } rect.x0 = patchX; rect.y0 = patchY; rect.x1 = patchX + patchW; rect.y1 = patchY + patchH; pix = fz_new_pixmap_with_bbox_and_data(ctx, colorspace, rect, pixels); if (pc->page_list == NULL && pc->annot_list == NULL) { fz_clear_pixmap_with_value(ctx, pix, 0xd0); break; } fz_clear_pixmap_with_value(ctx, pix, 0xff); zoom = resolution / 72; ctm = fz_scale(zoom, zoom); bbox = fz_round_rect(fz_transform_rect(ctm, pc->media_box)); /* Now, adjust ctm so that it would give the correct page width * heights. */ xscale = (float)pageW/(float)(bbox.x1-bbox.x0); yscale = (float)pageH/(float)(bbox.y1-bbox.y0); ctm = fz_concat(ctm, fz_scale(xscale, yscale)); bbox = fz_round_rect(fz_transform_rect(ctm, pc->media_box)); dev = fz_new_draw_device(ctx, pix); #ifdef TIME_DISPLAY_LIST { clock_t time; int i; LOGE("Executing display list"); time = clock(); for (i=0; i<100;i++) { #endif if (pc->page_list) fz_run_display_list(pc->page_list, dev, ctm, bbox, NULL); if (pc->annot_list) fz_run_display_list(pc->annot_list, dev, ctm, bbox, NULL); #ifdef TIME_DISPLAY_LIST } time = clock() - time; LOGE("100 renders in %d (%d per sec)", time, CLOCKS_PER_SEC); } #endif fz_free_device(dev); dev = NULL; fz_drop_pixmap(ctx, pix); LOGE("Rendered"); } fz_catch(ctx) { fz_free_device(dev); LOGE("Render failed"); } AndroidBitmap_unlockPixels(env, bitmap); return 1; }
HRESULT MuPDFDoc::DrawPage(unsigned char *bitmap, int x, int y, int width, int height, bool invert) { m_cts->abort = 0; fz_device *dev = nullptr; fz_pixmap *pixmap = nullptr; fz_var(dev); fz_var(pixmap); PageCache *pageCache = &m_pages[m_currentPage]; fz_try(m_context) { fz_interactive *idoc = fz_interact(m_document); // Call fz_update_page now to ensure future calls yield the // changes from the current state if (idoc) fz_update_page(idoc, pageCache->page); if (!pageCache->pageList) { /* Render to list */ pageCache->pageList = fz_new_display_list(m_context); dev = fz_new_list_device(m_context, pageCache->pageList); fz_run_page_contents(m_document, pageCache->page, dev, fz_identity, *&m_cts); } if (!pageCache->annotList) { if (dev) { fz_free_device(dev); dev = nullptr; } pageCache->annotList = fz_new_display_list(m_context); dev = fz_new_list_device(m_context, pageCache->annotList); for (fz_annot *annot = fz_first_annot(m_document, pageCache->page); annot; annot = fz_next_annot(m_document, annot)) fz_run_annot(m_document, pageCache->page, annot, dev, fz_identity, *&m_cts); } fz_bbox rect; rect.x0 = x; rect.y0 = y; rect.x1 = x + width; rect.y1 = y + height; pixmap = fz_new_pixmap_with_bbox_and_data(m_context, fz_device_bgr, rect, bitmap); if (!pageCache->pageList && !pageCache->annotList) { fz_clear_pixmap_with_value(m_context, pixmap, 0xd0); break; } fz_clear_pixmap_with_value(m_context, pixmap, 0xff); // fz_matrix ctm = CalcConvertMatrix(); fz_bbox bbox = fz_round_rect(fz_transform_rect(ctm, pageCache->mediaBox)); /* Now, adjust ctm so that it would give the correct page width * heights. */ float xscale = (float)width/(float)(bbox.x1-bbox.x0); float yscale = (float)height/(float)(bbox.y1-bbox.y0); ctm = fz_concat(ctm, fz_scale(xscale, yscale)); bbox = fz_round_rect(fz_transform_rect(ctm, pageCache->mediaBox)); if (dev) { fz_free_device(dev); dev = nullptr; } dev = fz_new_draw_device(m_context, pixmap); if (pageCache->pageList) fz_run_display_list(pageCache->pageList, dev, ctm, bbox, *&m_cts); about = m_cts->abort; if (pageCache->annotList) fz_run_display_list(pageCache->annotList, dev, ctm, bbox, *&m_cts); if (invert) fz_invert_pixmap(m_context, pixmap); } fz_always(m_context) { if (dev) { fz_free_device(dev); dev = nullptr; } if (pixmap) { fz_drop_pixmap(m_context, pixmap); } } fz_catch(m_context) { return E_FAIL; } return S_OK; }
HRESULT MuPDFDoc::UpdatePage(int pageNumber, unsigned char *bitmap, int x, int y, int width, int height, bool invert) { int index = FindPageInCache(pageNumber); if (index < 0) { //TODO: get rid of this side effect!!! HRESULT result = GotoPage(pageNumber); if (FAILED(result)) { return result; } return DrawPage(bitmap, x, y, width, height, invert); } fz_device *dev = nullptr; fz_pixmap *pixmap = nullptr; fz_var(dev); fz_var(pixmap); PageCache *pageCache = &m_pages[m_currentPage]; fz_try(m_context) { fz_interactive *idoc = fz_interact(m_document); // Call fz_update_page now to ensure future calls yield the // changes from the current state if (idoc) fz_update_page(idoc, pageCache->page); if (!pageCache->pageList) { /* Render to list */ pageCache->pageList = fz_new_display_list(m_context); dev = fz_new_list_device(m_context, pageCache->pageList); fz_run_page_contents(m_document, pageCache->page, dev, fz_identity, nullptr); } if (!pageCache->annotList) { if (dev) { fz_free_device(dev); dev = nullptr; } pageCache->annotList = fz_new_display_list(m_context); dev = fz_new_list_device(m_context, pageCache->annotList); for (fz_annot *annot = fz_first_annot(m_document, pageCache->page); annot; annot = fz_next_annot(m_document, annot)) fz_run_annot(m_document, pageCache->page, annot, dev, fz_identity, nullptr); } fz_bbox rect; rect.x0 = x; rect.y0 = y; rect.x1 = x + width; rect.y1 = y + height; pixmap = fz_new_pixmap_with_bbox_and_data(m_context, fz_device_bgr, rect, bitmap); // fz_matrix ctm = CalcConvertMatrix(); fz_bbox bbox = fz_round_rect(fz_transform_rect(ctm, pageCache->mediaBox)); /* Now, adjust ctm so that it would give the correct page width * heights. */ float xscale = (float)width/(float)(bbox.x1-bbox.x0); float yscale = (float)height/(float)(bbox.y1-bbox.y0); ctm = fz_concat(ctm, fz_scale(xscale, yscale)); bbox = fz_round_rect(fz_transform_rect(ctm, pageCache->mediaBox)); if (dev) { fz_free_device(dev); dev = nullptr; } fz_annot *annot; while (idoc && (annot = fz_poll_changed_annot(idoc, pageCache->page))) { fz_bbox abox = fz_round_rect(fz_transform_rect(ctm, fz_bound_annot(m_document, annot))); abox = fz_intersect_bbox(abox, rect); if (!fz_is_empty_bbox(abox)) { fz_clear_pixmap_rect_with_value(m_context, pixmap, 0xff, abox); dev = fz_new_draw_device_with_bbox(m_context, pixmap, abox); if (pageCache->pageList) fz_run_display_list(pageCache->pageList, dev, ctm, abox, nullptr); if (pageCache->annotList) fz_run_display_list(pageCache->annotList, dev, ctm, abox, nullptr); fz_free_device(dev); dev = nullptr; if (invert) fz_invert_pixmap_rect(pixmap, abox); } } } fz_always(m_context) { if (dev) { fz_free_device(dev); dev = nullptr; } if (pixmap) { fz_drop_pixmap(m_context, pixmap); } } fz_catch(m_context) { return E_FAIL; } return S_OK; }
HRESULT MuPDFDoc::LoadTwoPages(unsigned char *bitmap1, int pageNum1, unsigned char *bitmap2, int pageNum2, int width, int height, Data **data1, Data **data2) { GotoPage(pageNum1); fz_device *dev = nullptr; fz_pixmap *pixmap = nullptr; fz_var(dev); fz_var(pixmap); PageCache *pageCache = &m_pages[m_currentPage]; fz_try(m_context) { m_cts->abort = 0; fz_interactive *idoc = fz_interact(m_document); // Call fz_update_page now to ensure future calls yield the // changes from the current state if (idoc) fz_update_page(idoc, pageCache->page); if (!pageCache->pageList) { /* Render to list */ pageCache->pageList = fz_new_display_list(m_context); dev = fz_new_list_device(m_context, pageCache->pageList); fz_run_page_contents(m_document, pageCache->page, dev, fz_identity, nullptr); } if (!pageCache->annotList) { if (dev) { fz_free_device(dev); dev = nullptr; } pageCache->annotList = fz_new_display_list(m_context); dev = fz_new_list_device(m_context, pageCache->annotList); for (fz_annot *annot = fz_first_annot(m_document, pageCache->page); annot; annot = fz_next_annot(m_document, annot)) fz_run_annot(m_document, pageCache->page, annot, dev, fz_identity, nullptr); } fz_bbox rect; rect.x0 = 0; rect.y0 = 0; rect.x1 = width; rect.y1 = height; pixmap = fz_new_pixmap_with_bbox_and_data(m_context, fz_device_bgr, rect, bitmap1); if (!pageCache->pageList && !pageCache->annotList) { fz_clear_pixmap_with_value(m_context, pixmap, 0xd0); break; } fz_clear_pixmap_with_value(m_context, pixmap, 0xff); *data1 = (Data*)CoTaskMemAlloc(sizeof(Data)); (*data1)->pagenumber = pageNum1; (*data1)->cacheNumber = m_currentPage; (*data1)->ctx = m_context; (*data1)->list = pageCache->pageList; (*data1)->annotList = pageCache->annotList; (*data1)->bbox = rect; (*data1)->rect = pageCache->mediaBox; (*data1)->pix = pixmap; (*data1)->width = width; (*data1)->height = height; } fz_catch(m_context) { return E_FAIL; } GotoPage(pageNum2); fz_device *dev1 = nullptr; fz_pixmap *pixmap1 = nullptr; fz_var(dev1); fz_var(pixmap1); PageCache *pageCache1 = &m_pages[m_currentPage]; fz_try(m_context) { fz_interactive *idoc = fz_interact(m_document); // Call fz_update_page now to ensure future calls yield the // changes from the current state if (idoc) fz_update_page(idoc, pageCache1->page); if (!pageCache1->pageList) { /* Render to list */ pageCache1->pageList = fz_new_display_list(m_context); dev1 = fz_new_list_device(m_context, pageCache1->pageList); fz_run_page_contents(m_document, pageCache1->page, dev1, fz_identity, nullptr); } if (!pageCache1->annotList) { if (dev1) { fz_free_device(dev1); dev1 = nullptr; } pageCache1->annotList = fz_new_display_list(m_context); dev1 = fz_new_list_device(m_context, pageCache1->annotList); for (fz_annot *annot = fz_first_annot(m_document, pageCache1->page); annot; annot = fz_next_annot(m_document, annot)) fz_run_annot(m_document, pageCache1->page, annot, dev1, fz_identity, nullptr); } fz_bbox rect; rect.x0 = 0; rect.y0 = 0; rect.x1 = width; rect.y1 = height; pixmap1 = fz_new_pixmap_with_bbox_and_data(m_context, fz_device_bgr, rect, bitmap2); if (!pageCache1->pageList && !pageCache1->annotList) { fz_clear_pixmap_with_value(m_context, pixmap1, 0xd0); break; } fz_clear_pixmap_with_value(m_context, pixmap1, 0xff); *data2 = (Data*)CoTaskMemAlloc(sizeof(Data)); (*data2)->pagenumber = pageNum2; (*data2)->cacheNumber = m_currentPage; (*data2)->ctx = m_context; (*data2)->list = pageCache1->pageList; (*data2)->annotList = pageCache->annotList; (*data2)->bbox = rect; (*data2)->rect = pageCache1->mediaBox; (*data2)->pix = pixmap1; (*data2)->width = width; (*data2)->height = height; } fz_catch(m_context) { return E_FAIL; } return S_OK; }