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HiDPI: add preprocessor conditionals

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This commit is contained in:
Jeremie Knuesel 2018-01-23 09:34:22 +01:00
parent 5fa4b8907e
commit 36d9ece978
4 changed files with 19 additions and 0 deletions
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9
config.mk
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@ -47,6 +47,15 @@ WITH_SYNCTEX ?= $(shell (${PKG_CONFIG} synctex && echo 1) || echo 0)
# To disable support for mimetype detction with libmagic set WITH_MAGIC to 0.
WITH_MAGIC ?= 1
# HiDPI
HIDPI_SUPPORT_CAIRO = $(shell (${PKG_CONFIG} --atleast-version=1.14 cairo && echo 1) || echo 0)
HIDPI_SUPPORT_GTK = $(shell (${PKG_CONFIG} --atleast-version=3.10 ${GTK_PKG_CONFIG_NAME} && echo 1) || echo 0)
ifeq (${HIDPI_SUPPORT_CAIRO},1)
ifeq (${HIDPI_SUPPORT_GTK},1)
CPPFLAGS += -DHAVE_HIDPI_SUPPORT
endif
endif
# paths
PREFIX ?= /usr
MANPREFIX ?= ${PREFIX}/share/man

4
zathura/callbacks.c
View file

@ -223,7 +223,11 @@ cb_scale_factor(GtkWidget* widget, GParamSpec* UNUSED(pspec), zathura_t* zathura
return;
}
#ifdef HAVE_HIDPI_SUPPORT
int new_factor = gtk_widget_get_scale_factor(widget);
#else
int new_factor = 1;
#endif
double current_x;
double current_y;

4
zathura/render.c
View file

@ -740,6 +740,7 @@ render(render_job_t* job, ZathuraRenderRequest* request, ZathuraRenderer* render
&page_height, &page_width,
false);
#ifdef HAVE_HIDPI_SUPPORT
double device_scale_x;
double device_scale_y;
zathura_document_get_device_scale(document, &device_scale_x, &device_scale_y);
@ -748,6 +749,7 @@ render(render_job_t* job, ZathuraRenderRequest* request, ZathuraRenderer* render
page_width *= device_scale_x;
page_height *= device_scale_y;
}
#endif
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
page_width, page_height);
@ -759,6 +761,7 @@ render(render_job_t* job, ZathuraRenderRequest* request, ZathuraRenderer* render
return false;
}
#ifdef HAVE_HIDPI_SUPPORT
if (device_scale_x != 0.0 && device_scale_y != 0.0) {
cairo_surface_set_device_scale(surface, device_scale_x, device_scale_y);
if (cairo_surface_status(surface) != CAIRO_STATUS_SUCCESS) {
@ -766,6 +769,7 @@ render(render_job_t* job, ZathuraRenderRequest* request, ZathuraRenderer* render
return false;
}
}
#endif
cairo_t* cairo = cairo_create(surface);
if (cairo == NULL) {

2
zathura/zathura.c
View file

@ -153,8 +153,10 @@ init_ui(zathura_t* zathura)
g_signal_connect(G_OBJECT(zathura->ui.session->gtk.view), "refresh-view",
G_CALLBACK(cb_refresh_view), zathura);
#ifdef HAVE_HIDPI_SUPPORT
g_signal_connect(G_OBJECT(zathura->ui.session->gtk.view),
"notify::scale-factor", G_CALLBACK(cb_scale_factor), zathura);
#endif
/* page view */
zathura->ui.page_widget = gtk_grid_new();