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The open source OpenXR runtime
st/gui: draw gui_widget_native_images with header, scale slider and rotation checkbox
Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/2303>
authored by
Fernando Velazquez Innella
and committed by
Marge Bot
44179cd1
3eabdc77
+76
-7
+9
src/xrt/state_trackers/gui/gui_scene_debug.c
+9
src/xrt/state_trackers/gui/gui_scene_debug.c
···
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static void
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on_native_images_debug_var(const char *name, void *ptr, struct draw_state *state)
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{
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bool gui_header = !state->inhibit_sink_headers;
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struct debug_scene *ds = state->ds;
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struct u_native_images_debug *unid = (struct u_native_images_debug *)ptr;
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if (gui_header) {
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const ImGuiTreeNodeFlags_ flags = ImGuiTreeNodeFlags_DefaultOpen;
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if (!igCollapsingHeaderBoolPtr(name, NULL, flags)) {
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return;
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}
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}
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struct gui_widget_native_images *gwni = gui_widget_native_images_storage_ensure(&ds->gwnis, unid);
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if (gwni == NULL) {
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-7
src/xrt/state_trackers/gui/gui_widget_native_images.c
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-7
src/xrt/state_trackers/gui/gui_widget_native_images.c
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#include "util/u_native_images_debug.h"
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#include "gui_ogl.h"
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#include "gui_imgui.h"
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#include "gui_widget_native_images.h"
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#include <assert.h>
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gwni->flip_y = unid->flip_y;
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}
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/*
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*
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* Misc helpers and interface functions.
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*
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*/
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static void
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window_draw_misc(struct gui_widget_native_images *gwni)
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{
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igSliderFloat("", &gwni->scale, 20.0, 300.f, "Scale %f%%", ImGuiSliderFlags_None);
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static ImVec2 button_dims = {0, 0};
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igSameLine(0.0f, 4.0f);
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bool minus = igButton("-", button_dims);
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igSameLine(0.0f, 4.0f);
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bool plus = igButton("+", button_dims);
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static const double scales[] = {
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25.0, 50.0, 100.0, 200.0, 300.0,
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};
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if (plus) {
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for (uint32_t i = 0; i < ARRAY_SIZE(scales); i++) {
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if (gwni->scale >= scales[i]) {
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continue;
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}
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gwni->scale = scales[i];
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break;
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}
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} else if (minus) {
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// Initial length always greater then 0 so safe.
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for (uint32_t i = ARRAY_SIZE(scales); i-- > 0;) {
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if (gwni->scale <= scales[i]) {
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continue;
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}
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gwni->scale = scales[i];
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break;
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}
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}
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igSameLine(0, 30);
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igCheckbox("Rotate 180 degrees", &gwni->rotate_180);
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}
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/*
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*
···
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{
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U_ZERO(gwni);
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gwni->active_index = GUI_WIDGET_SWAPCHAIN_INVALID_INDEX;
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gwni->scale = 50.0f;
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}
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void
···
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return;
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}
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igPushIDPtr(gwni);
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window_draw_misc(gwni);
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uint32_t tex_id = gwni->textures[gwni->active_index];
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gui_ogl_draw_image( //
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gwni->width, // width
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gwni->height, // height
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tex_id, // tex_id
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0.5f, // scale
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false, // rotate_180
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gwni->flip_y); // flip_y
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gui_ogl_draw_image( //
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gwni->width, // width
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gwni->height, // height
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tex_id, // tex_id
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gwni->scale / 100.0f, // scale
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gwni->rotate_180, // rotate_180
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gwni->flip_y); // flip_y
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igPopID();
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}
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void
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src/xrt/state_trackers/gui/gui_widget_native_images.h
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src/xrt/state_trackers/gui/gui_widget_native_images.h