diff --git a/document.c b/document.c index 0d52706..3e39d5a 100644 --- a/document.c +++ b/document.c @@ -471,19 +471,19 @@ zathura_page_form_fields_free(zathura_list_t* UNUSED(list)) return false; } -zathura_image_buffer_t* -zathura_page_render(zathura_page_t* page) +bool +zathura_page_render(zathura_page_t* page, cairo_t* cairo) { - if (page == NULL || page->document == NULL) { + if (page == NULL || page->document == NULL || cairo == NULL) { return NULL; } - if (page->document->functions.page_render == NULL) { + if (page->document->functions.page_render_cairo == NULL) { girara_error("%s not implemented", __FUNCTION__); return NULL; } - return page->document->functions.page_render(page); + return page->document->functions.page_render_cairo(page, cairo); } zathura_index_element_t* diff --git a/document.h b/document.h index 3abc4bd..557ba1c 100644 --- a/document.h +++ b/document.h @@ -150,7 +150,7 @@ struct zathura_page_s GtkWidget* event_box; /**> Widget wrapper for mouse events */ GtkWidget* drawing_area; /**> Drawing area */ GStaticMutex lock; /**> Lock */ - cairo_surface_t* surface; /** Cairo surface */ + cairo_surface_t* surface; /** Cairo surface */ }; /** @@ -363,9 +363,10 @@ bool zathura_page_form_fields_free(zathura_list_t* list); * Render page * * @param page The page object - * @return Image buffer or NULL if an error occured + * @param cairo Cairo object + * @return True if no error occured, otherwise false */ -zathura_image_buffer_t* zathura_page_render(zathura_page_t* page); +bool zathura_page_render(zathura_page_t* page, cairo_t* cairo); /** * Create new index element diff --git a/print.c b/print.c index a9dd536..bf57f5b 100644 --- a/print.c +++ b/print.c @@ -51,32 +51,33 @@ void cb_print_draw_page(GtkPrintOperation* UNUSED(print_operation), GtkPrintContext* context, gint page_number, zathura_t* zathura) { - cairo_t* cairo = gtk_print_context_get_cairo_context(context); + /* TODO: Implement with cairo */ + /*cairo_t* cairo = gtk_print_context_get_cairo_context(context);*/ - girara_info("Printing page %d", page_number); + /*girara_info("Printing page %d", page_number);*/ - zathura_page_t* page = zathura->document->pages[page_number]; + /*zathura_page_t* page = zathura->document->pages[page_number];*/ - double requested_with = gtk_print_context_get_width(context); - double tmp_scale = zathura->document->scale; - zathura->document->scale = requested_with / page->width; + /*double requested_with = gtk_print_context_get_width(context);*/ + /*double tmp_scale = zathura->document->scale;*/ + /*zathura->document->scale = requested_with / page->width;*/ - g_static_mutex_lock(&(page->lock)); - zathura_image_buffer_t* image_buffer = zathura_page_render(page); - g_static_mutex_unlock(&(page->lock)); + /*g_static_mutex_lock(&(page->lock));*/ + /*zathura_image_buffer_t* image_buffer = zathura_page_render(page);*/ + /*g_static_mutex_unlock(&(page->lock));*/ - for (unsigned int y = 0; y < image_buffer->height; y++) { - unsigned char* src = image_buffer->data + y * image_buffer->rowstride; - for (unsigned int x = 0; x < image_buffer->width; x++) { - if (src[0] != 255 && src[1] != 255 && src[2] != 255) { - cairo_set_source_rgb(cairo, src[0], src[1], src[2]); - cairo_rectangle(cairo, x, y, 1, 1); - cairo_fill(cairo); - } + /*for (unsigned int y = 0; y < image_buffer->height; y++) {*/ + /*unsigned char* src = image_buffer->data + y * image_buffer->rowstride;*/ + /*for (unsigned int x = 0; x < image_buffer->width; x++) {*/ + /*if (src[0] != 255 && src[1] != 255 && src[2] != 255) {*/ + /*cairo_set_source_rgb(cairo, src[0], src[1], src[2]);*/ + /*cairo_rectangle(cairo, x, y, 1, 1);*/ + /*cairo_fill(cairo);*/ + /*}*/ - src += 3; - } - } + /*src += 3;*/ + /*}*/ + /*}*/ - zathura->document->scale = tmp_scale; + /*zathura->document->scale = tmp_scale;*/ } diff --git a/print.h b/print.h index a8fcb5a..628d399 100644 --- a/print.h +++ b/print.h @@ -21,6 +21,6 @@ void print(zathura_t* zathura); * @param zathura Zathura object */ void cb_print_draw_page(GtkPrintOperation* print_operation, GtkPrintContext* - context, gint page_number, zathura_t* zathura); + context, gint page_number, zathura_t* zathura); #endif // PRINT_H diff --git a/render.c b/render.c index e6831e9..c3503a5 100644 --- a/render.c +++ b/render.c @@ -151,36 +151,73 @@ render(zathura_t* zathura, zathura_page_t* page) gdk_threads_enter(); g_static_mutex_lock(&(page->lock)); - zathura_image_buffer_t* image_buffer = zathura_page_render(page); - if (image_buffer == NULL) { + /* create cairo surface */ + unsigned int page_width = 0; + unsigned int page_height = 0; + + if (page->document->rotate == 0 || page->document->rotate == 180) { + page_width = page->width * zathura->document->scale; + page_height = page->height * zathura->document->scale; + } else { + page_width = page->height * zathura->document->scale; + page_height = page->width * zathura->document->scale; + } + + cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, page_width, page_height); + + if (surface == NULL) { g_static_mutex_unlock(&(page->lock)); gdk_threads_leave(); return false; } - /* create cairo surface */ - unsigned int page_width = page->width * zathura->document->scale; - unsigned int page_height = page->height * zathura->document->scale; + cairo_t* cairo = cairo_create(surface); - cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, page_width, page_height); + if (cairo == NULL) { + cairo_surface_destroy(surface); + g_static_mutex_unlock(&(page->lock)); + gdk_threads_leave(); + return false; + } + + cairo_save(cairo); + cairo_set_source_rgb(cairo, 1, 1, 1); + cairo_rectangle(cairo, 0, 0, page_width, page_height); + cairo_fill(cairo); + cairo_restore(cairo); + cairo_save(cairo); + + switch(page->document->rotate) { + case 90: + cairo_translate(cairo, page_width, 0); + break; + case 180: + cairo_translate(cairo, page_width, page_height); + break; + case 270: + cairo_translate(cairo, 0, page_height); + break; + } + + if (page->document->rotate != 0) { + cairo_rotate(cairo, page->document->rotate * G_PI / 180.0); + } + + if (zathura_page_render(page, cairo) == false) { + cairo_destroy(cairo); + cairo_surface_destroy(surface); + g_static_mutex_unlock(&(page->lock)); + gdk_threads_leave(); + return false; + } + + cairo_restore(cairo); + cairo_destroy(cairo); int rowstride = cairo_image_surface_get_stride(surface); unsigned char* image = cairo_image_surface_get_data(surface); - for (unsigned int y = 0; y < page_height; y++) { - unsigned char* dst = image + y * rowstride; - unsigned char* src = image_buffer->data + y * image_buffer->rowstride; - - for (unsigned int x = 0; x < page_width; x++) { - dst[0] = src[2]; - dst[1] = src[1]; - dst[2] = src[0]; - src += 3; - dst += 4; - } - } - /* recolor */ if (zathura->global.recolor) { /* recolor code based on qimageblitz library flatten() function @@ -214,49 +251,14 @@ render(zathura_t* zathura, zathura_page_t* page) } } - /* rotate */ - unsigned int width = page_width; - unsigned int height = page_height; - if (page->document->rotate == 90 || page->document->rotate == 270) { - width = page_height; - height = page_width; - } - - cairo_surface_t* final_surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, width, height); - cairo_t* cairo = cairo_create(final_surface); - - switch(page->document->rotate) - { - case 90: - cairo_translate(cairo, width, 0); - break; - case 180: - cairo_translate(cairo, width, height); - break; - case 270: - cairo_translate(cairo, 0, height); - break; - } - - if (page->document->rotate != 0) { - cairo_rotate(cairo, page->document->rotate * G_PI / 180.0); - } - - cairo_set_source_surface(cairo, surface, 0, 0); - cairo_set_operator(cairo, CAIRO_OPERATOR_SOURCE); - cairo_paint(cairo); - cairo_destroy(cairo); - cairo_surface_destroy(surface); - /* draw to gtk widget */ - page->surface = final_surface; - gtk_widget_set_size_request(page->drawing_area, width, height); + page->surface = surface; + gtk_widget_set_size_request(page->drawing_area, page_width, page_height); gtk_widget_queue_draw(page->drawing_area); - zathura_image_buffer_free(image_buffer); g_static_mutex_unlock(&(page->lock)); - gdk_threads_leave(); + return true; } diff --git a/render.h b/render.h index 73f2a27..a8628cf 100644 --- a/render.h +++ b/render.h @@ -16,7 +16,7 @@ struct render_thread_s GThread* thread; /**> The thread object */ GMutex* lock; /**> Lock */ GCond* cond; /**> Condition */ - zathura_t* zathura; /**> Zathura object */ + zathura_t* zathura; /**> Zathura object */ }; /**