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guix/samples/demo_guix_shapes/text_rotation_window.c
2021-01-07 15:25:36 -08:00

306 lines
9.3 KiB
C

/* This is a small demo of the high-performance GUIX graphics framework. */
#include <stdio.h>
#include "gx_api.h"
#include "guix_shapes_resources.h"
#include "guix_shapes_specifications.h"
extern UINT string_length_get(GX_CONST GX_CHAR* input_string, UINT max_string_length);
#define ROTATION_TIMER 1
#define SHIFT_TIMER 2
#define COUNT_TIMER 3
#define MAX_DYNAMIC_TEXT_LENGTH 20
GX_RESOURCE_ID text_color = GX_COLOR_ID_RED;
GX_BOOL auto_rotate = GX_FALSE;
GX_BOOL auto_shift = GX_FALSE;
GX_PIXELMAP Alphamap_8bit_font;
GX_PIXELMAP Alphamap_4bit_font;
GX_PIXELMAP Alphamap_1bit_font;
GX_PIXELMAP Alphamap_8bit_dynamic;
INT text_angle = 30;
INT xshift_8bpp = 10;
INT yshift_8bpp = 10;
INT xshift_4bpp = 5;
INT yshift_4bpp = 5;
INT xshift_1bpp = 5;
INT yshift_1bpp = 5;
INT xshift_dynamic = 1;
INT yshift_dynamic = 1;
INT dynamic_count = 123456789;
GX_CHAR dynamic_text[MAX_DYNAMIC_TEXT_LENGTH + 1];
extern GX_WINDOW *pTextWindow;
extern VOID memory_free(VOID *mem);
VOID RenderTextToAlphamaps(GX_WIDGET *widget)
{
GX_FONT *font;
GX_STRING string;
gx_widget_font_get(widget, GX_FONT_ID_SCREEN_LABEL, &font);
gx_widget_string_get_ext(widget, GX_STRING_ID_HELLO_WORLD, &string);
gx_utility_string_to_alphamap_ext(&string, font, &Alphamap_8bit_font);
gx_widget_font_get(widget, GX_FONT_ID_SMALL_BOLD, &font);
gx_widget_string_get_ext(widget, GX_STRING_ID_FONT_4BPP, &string);
gx_utility_string_to_alphamap_ext(&string, font, &Alphamap_4bit_font);
gx_widget_font_get(widget, GX_FONT_ID_MONO_FONT, &font);
gx_widget_string_get_ext(widget, GX_STRING_ID_FONT_1BPP, &string);
gx_utility_string_to_alphamap_ext(&string, font, &Alphamap_1bit_font);
}
void text_window_draw(GX_WINDOW *window)
{
INT xpos = 0;
INT ypos = 0;
GX_PIXELMAP rotated_text;
GX_PIXELMAP *source_map = GX_NULL;
GX_STRING string;
gx_window_draw(window);
gx_context_line_color_set(text_color);
gx_context_fill_color_set(text_color);
switch (window->gx_widget_id)
{
case TEXT_WIN_8BPP:
source_map = &Alphamap_8bit_font;
break;
case TEXT_WIN_4BPP:
source_map = &Alphamap_4bit_font;
break;
case TEXT_WIN_1BPP:
source_map = &Alphamap_1bit_font;
break;
}
xpos = (window -> gx_widget_size.gx_rectangle_left + window -> gx_widget_size.gx_rectangle_right) / 2;
ypos = (window -> gx_widget_size.gx_rectangle_top + window -> gx_widget_size.gx_rectangle_bottom) / 2;
if (source_map)
{
if (text_angle)
{
if (gx_utility_pixelmap_rotate(source_map, text_angle, &rotated_text, &xpos, &ypos) == GX_SUCCESS)
{
xpos = (window -> gx_widget_size.gx_rectangle_left + window -> gx_widget_size.gx_rectangle_right) / 2;
ypos = (window -> gx_widget_size.gx_rectangle_top + window -> gx_widget_size.gx_rectangle_bottom) / 2;
xpos -= rotated_text.gx_pixelmap_width >> 1;
ypos -= rotated_text.gx_pixelmap_height >> 1;
gx_canvas_pixelmap_draw(xpos, ypos, &rotated_text);
memory_free((VOID *)rotated_text.gx_pixelmap_data);
}
}
else
{
xpos -= source_map->gx_pixelmap_width >> 1;
ypos -= source_map->gx_pixelmap_height >> 1;
gx_canvas_pixelmap_draw(xpos, ypos, source_map);
}
}
else
{
gx_context_font_set(GX_FONT_ID_SMALL_BOLD);
gx_utility_ltoa(dynamic_count, dynamic_text, MAX_DYNAMIC_TEXT_LENGTH + 1);
string.gx_string_ptr = dynamic_text;
string.gx_string_length = string_length_get(dynamic_text, MAX_DYNAMIC_TEXT_LENGTH);
gx_canvas_rotated_text_draw_ext(&string, xpos, ypos, text_angle);
}
}
VOID ShiftText(GX_WINDOW *window)
{
INT *xshift;
INT *yshift;
GX_RECTANGLE size = Text_Rotaion_Window.Text_Rotaion_Window_Text_Window.gx_widget_size;
switch (window -> gx_widget_id)
{
case TEXT_WIN_8BPP:
xshift = &xshift_8bpp;
yshift = &yshift_8bpp;
break;
case TEXT_WIN_4BPP:
xshift = &xshift_4bpp;
yshift = &yshift_4bpp;
break;
case TEXT_WIN_1BPP:
xshift = &xshift_1bpp;
yshift = &yshift_1bpp;
break;
case DYNAMIC_TEXT_WINDOW:
xshift = &xshift_dynamic;
yshift = &yshift_dynamic;
gx_system_dirty_mark(&Text_Rotaion_Window.Text_Rotaion_Window_dynamic_text_window);
break;
}
if (*xshift || *yshift)
{
gx_widget_shift(window, *xshift, *yshift, GX_TRUE);
if (*xshift > 0)
{
if (window->gx_widget_size.gx_rectangle_right >= size.gx_rectangle_right)
{
*xshift = -*xshift;
}
}
else
{
if (window->gx_widget_size.gx_rectangle_left <= 0)
{
*xshift = -*xshift;
}
}
if (*yshift > 0)
{
if (window->gx_widget_size.gx_rectangle_bottom >= size.gx_rectangle_bottom)
{
*yshift = -*yshift;
}
}
else
{
if (window->gx_widget_size.gx_rectangle_top <= 0)
{
*yshift = -*yshift;
}
}
}
}
VOID ShiftAll(VOID)
{
if (auto_shift)
{
ShiftText(&Text_Rotaion_Window.Text_Rotaion_Window_text_window_8bpp);
ShiftText(&Text_Rotaion_Window.Text_Rotaion_Window_text_window_4bpp);
ShiftText(&Text_Rotaion_Window.Text_Rotaion_Window_text_window_1bpp);
ShiftText(&Text_Rotaion_Window.Text_Rotaion_Window_dynamic_text_window);
}
}
VOID update_text_value(INT value)
{
static GX_CHAR str_value[8];
GX_STRING string;
GX_PROMPT *prompt;
prompt = (GX_PROMPT *)&Text_Rotaion_Window.Text_Rotaion_Window_rotation_angle_value;
gx_utility_ltoa(value, str_value, 10);
string.gx_string_ptr = str_value;
string.gx_string_length = string_length_get(str_value, sizeof(str_value) - 1);
gx_prompt_text_set_ext((GX_PROMPT *)prompt, &string);
}
UINT Text_Rotation_Window_event_handler(GX_WINDOW *window, GX_EVENT *myevent)
{
INT pos;
GX_PIXELMAP_SLIDER *slider;
GX_SLIDER_INFO *info;
switch (myevent->gx_event_type)
{
case GX_EVENT_SHOW:
gx_system_timer_start(&Text_Rotaion_Window.Text_Rotaion_Window_dynamic_text_window, COUNT_TIMER, 5, 5);
gx_window_event_process(window, myevent);
RenderTextToAlphamaps((GX_WIDGET *)window);
break;
case GX_EVENT_HIDE:
gx_system_timer_stop(&Text_Rotaion_Window.Text_Rotaion_Window_dynamic_text_window, COUNT_TIMER);
gx_window_event_process(window, myevent);
break;
case GX_SIGNAL(ID_RED_TEXT, GX_EVENT_RADIO_SELECT):
text_color = GX_COLOR_ID_RED;
gx_system_dirty_mark(&Text_Rotaion_Window.Text_Rotaion_Window_Text_Window);
break;
case GX_SIGNAL(ID_BLUE_TEXT, GX_EVENT_RADIO_SELECT):
text_color = GX_COLOR_ID_BLUE;
gx_system_dirty_mark(&Text_Rotaion_Window.Text_Rotaion_Window_Text_Window);
break;
case GX_SIGNAL(ID_GREEN_TEXT, GX_EVENT_RADIO_SELECT):
text_color = GX_COLOR_ID_GREEN;
gx_system_dirty_mark(&Text_Rotaion_Window.Text_Rotaion_Window_Text_Window);
break;
case GX_SIGNAL(ID_AUTO_ROTATE, GX_EVENT_TOGGLE_ON):
auto_rotate= GX_TRUE;
gx_system_timer_start(window, ROTATION_TIMER, 5, 5);
break;
case GX_SIGNAL(ID_AUTO_ROTATE, GX_EVENT_TOGGLE_OFF):
auto_rotate = GX_FALSE;
gx_system_timer_stop(window, ROTATION_TIMER);
break;
case GX_SIGNAL(ID_AUTO_SHIFT, GX_EVENT_TOGGLE_ON):
auto_shift = GX_TRUE;
gx_system_timer_start(window, SHIFT_TIMER, 5, 5);
break;
case GX_SIGNAL(ID_AUTO_SHIFT, GX_EVENT_TOGGLE_OFF):
auto_shift = GX_FALSE;
gx_system_timer_stop(window, SHIFT_TIMER);
break;
case GX_SIGNAL(ID_ROTATION_ANGLE_SLIDER, GX_EVENT_SLIDER_VALUE):
pos = myevent->gx_event_payload.gx_event_longdata;
text_angle = pos;
update_text_value(pos);
gx_system_dirty_mark(&Text_Rotaion_Window.Text_Rotaion_Window_Text_Window);
break;
case GX_EVENT_TIMER:
switch (myevent->gx_event_payload.gx_event_timer_id)
{
case COUNT_TIMER:
dynamic_count += 17;
break;
case ROTATION_TIMER:
text_angle += 5;
if (text_angle >= 360)
{
text_angle = 0;
}
slider = &Text_Rotaion_Window.Text_Rotaion_Window_Rotation_Angle_slider;
info = &slider -> gx_slider_info;
update_text_value(text_angle);
gx_slider_value_set((GX_SLIDER *)slider, info, text_angle);
if (auto_shift)
{
ShiftAll();
}
break;
case SHIFT_TIMER:
if (auto_rotate) return 0;
else ShiftAll();
break;
}
gx_system_dirty_mark(&Text_Rotaion_Window.Text_Rotaion_Window_Text_Window);
break;
default:
return gx_window_event_process(window, myevent);
}
return 0;
}