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522 lines
11 KiB
C++
522 lines
11 KiB
C++
#include "../core_include/api.h"
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#include "../core_include/rect.h"
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#include "../core_include/cmd_target.h"
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#include "../core_include/wnd.h"
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#include "../core_include/surface.h"
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#include "../core_include/display.h"
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#include "../core_include/resource.h"
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#include <string.h>
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#include <stdlib.h>
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#define GL_ROUND_RGB_32(rgb) (rgb & 0xFFF8FCF8) //make RGB32 = RGB16
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c_surface::c_surface(c_display* display, unsigned int width, unsigned int height, unsigned int color_bytes)
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{
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m_width = width;
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m_height = height;
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m_color_bytes = color_bytes;
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m_display = display;
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m_phy_fb = display->m_phy_fb;
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m_phy_write_index = &display->m_phy_write_index;
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m_fb = m_usr = NULL;
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m_top_zorder = m_max_zorder = Z_ORDER_LEVEL_0;
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m_is_active = false;
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m_frame_layers[Z_ORDER_LEVEL_0].rect = c_rect(0, 0, m_width, m_height);
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}
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void c_surface::set_surface(void* wnd_root, Z_ORDER_LEVEL max_z_order)
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{
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m_usr = wnd_root;
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m_max_zorder = max_z_order;
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if (m_display->m_surface_cnt > 1)
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{
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m_fb = calloc(m_width * m_height, m_color_bytes);
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}
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for(int i = Z_ORDER_LEVEL_0; i < m_max_zorder; i++)
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{//Top layber fb always be NULL
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m_frame_layers[i].fb = (unsigned short*)calloc(m_width * m_height, sizeof(unsigned short));
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ASSERT(NULL != m_frame_layers[i].fb);
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}
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}
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void c_surface::draw_pixel(int x, int y, unsigned int rgb, unsigned int z_order)
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{
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if (x >= m_width || y >= m_height || x < 0 || y < 0)
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{
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return;
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}
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if (z_order > m_max_zorder)
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{
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ASSERT(FALSE);
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return;
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}
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rgb = GL_ROUND_RGB_32(rgb);
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if (z_order == m_max_zorder)
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{
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return draw_pixel_on_fb(x, y, rgb);
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}
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if (z_order > m_top_zorder)
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{
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m_top_zorder = (Z_ORDER_LEVEL)z_order;
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}
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if (0 == m_frame_layers[z_order].rect.PtInRect(x, y))
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{
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ASSERT(FALSE);
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return;
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}
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((unsigned short*)(m_frame_layers[z_order].fb))[x + y * m_width] = GL_RGB_32_to_16(rgb);
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if (z_order == m_top_zorder)
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{
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return draw_pixel_on_fb(x, y, rgb);
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}
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bool is_covered = false;
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for (int tmp_z_order = Z_ORDER_LEVEL_MAX - 1; tmp_z_order > z_order; tmp_z_order--)
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{
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if (TRUE == m_frame_layers[tmp_z_order].rect.PtInRect(x, y))
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{
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is_covered = true;
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break;
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}
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}
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if (!is_covered)
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{
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draw_pixel_on_fb(x, y, rgb);
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}
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}
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void c_surface::draw_pixel_on_fb(int x, int y, unsigned int rgb)
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{
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if (m_fb)
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{
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(m_color_bytes == 4) ? ((unsigned int*)m_fb)[y * m_width + x] = rgb : ((unsigned short*)m_fb)[y * m_width + x] = GL_RGB_32_to_16(rgb);
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}
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int display_width = m_display->get_width();
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int display_height = m_display->get_height();
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if (m_is_active && (x < display_width) && (y < display_height))
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{
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if (m_color_bytes == 4)
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{
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((unsigned int*)m_phy_fb)[y * (m_display->get_width()) + x] = rgb;
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}
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else
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{
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((unsigned short*)m_phy_fb)[y * (m_display->get_width()) + x] = GL_RGB_32_to_16(rgb);
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}
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*m_phy_write_index = *m_phy_write_index + 1;
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}
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}
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void c_surface::fill_rect(int x0, int y0, int x1, int y1, unsigned int rgb, unsigned int z_order)
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{
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rgb = GL_ROUND_RGB_32(rgb);
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if (z_order == m_max_zorder)
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{
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return fill_rect_on_fb(x0, y0, x1, y1, rgb);
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}
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if (z_order == m_top_zorder)
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{
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int x, y;
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unsigned short *mem_fb;
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unsigned int rgb_16 = GL_RGB_32_to_16(rgb);
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for (y = y0; y <= y1; y++)
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{
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x = x0;
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mem_fb = &((unsigned short*)m_frame_layers[z_order].fb)[y * m_width + x];
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for (; x <= x1; x++)
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{
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*mem_fb++ = rgb_16;
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}
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}
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return fill_rect_on_fb(x0, y0, x1, y1, rgb);
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}
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for (; y0 <= y1; y0++)
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{
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draw_hline(x0, x1, y0, rgb, z_order);
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}
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}
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void c_surface::fill_rect_on_fb(int x0, int y0, int x1, int y1, unsigned int rgb)
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{
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if (x0 < 0 || y0 < 0 || x1 < 0 || y1 < 0 ||
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x0 >= m_width || x1 >= m_width || y0 >= m_height || y1 >= m_height)
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{
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ASSERT(FALSE);
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}
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int display_width = m_display->get_width();
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int display_height = m_display->get_height();
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if (m_color_bytes == 4)
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{
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int x;
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unsigned int *fb, *phy_fb;
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for (; y0 <= y1; y0++)
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{
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x = x0;
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fb = m_fb ? &((unsigned int*)m_fb)[y0 * m_width + x] : NULL;
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phy_fb = &((unsigned int*)m_phy_fb)[y0 * display_width + x];
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*m_phy_write_index = *m_phy_write_index + 1;
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for (; x <= x1; x++)
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{
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if (fb)
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{
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*fb++ = rgb;
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}
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if (m_is_active && (x < display_width) && (y0 < display_height))
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{
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*phy_fb++ = rgb;
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}
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}
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}
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}
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else if(m_color_bytes == 2)
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{
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int x;
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unsigned short *fb, *phy_fb;
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rgb = GL_RGB_32_to_16(rgb);
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for (; y0 <= y1; y0++)
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{
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x = x0;
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fb = m_fb ? &((unsigned short*)m_fb)[y0 * m_width + x] : NULL;
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phy_fb = &((unsigned short*)m_phy_fb)[y0 * display_width + x];
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*m_phy_write_index = *m_phy_write_index + 1;
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for (; x <= x1; x++)
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{
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if (fb)
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{
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*fb++ = rgb;
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}
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if (m_is_active && (x < display_width) && (y0 < display_height))
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{
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*phy_fb++ = rgb;
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}
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}
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}
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}
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}
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unsigned int c_surface::get_pixel(int x, int y, unsigned int z_order)
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{
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if (x >= m_width || y >= m_height || x < 0 || y < 0 ||
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z_order >= Z_ORDER_LEVEL_MAX)
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{
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ASSERT(FALSE);
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return 0;
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}
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if (z_order == m_max_zorder)
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{
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if (m_fb)
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{
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return (m_color_bytes == 4) ? ((unsigned int*)m_fb)[y * m_width + x] : GL_RGB_16_to_32(((unsigned short*)m_fb)[y * m_width + x]);
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}
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else if(m_phy_fb)
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{
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return (m_color_bytes == 4) ? ((unsigned int*)m_phy_fb)[y * m_width + x] : GL_RGB_16_to_32(((unsigned short*)m_phy_fb)[y * m_width + x]);
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}
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return 0;
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}
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unsigned short rgb_16 = ((unsigned short*)(m_frame_layers[z_order].fb))[y * m_width + x];
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return GL_RGB_16_to_32(rgb_16);
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}
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void c_surface::draw_hline(int x0, int x1, int y, unsigned int rgb, unsigned int z_order)
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{
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for (;x0 <= x1; x0++)
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{ draw_pixel(x0, y, rgb, z_order); }
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}
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void c_surface::draw_vline(int x, int y0, int y1, unsigned int rgb, unsigned int z_order)
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{
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for (;y0 <= y1; y0++)
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{ draw_pixel(x, y0, rgb, z_order); }
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}
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void c_surface::draw_line(int x1, int y1, int x2, int y2, unsigned int rgb, unsigned int z_order)
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{
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int dx, dy, e;
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dx = x2 - x1;
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dy = y2 - y1;
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if ((dx >= 0) && (dy >= 0))
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{
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if (dx >= dy)
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{
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e = dy - dx / 2;
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for(; x1 <= x2; x1++, e += dy)
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{
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draw_pixel(x1, y1, rgb, z_order);
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if (e>0) { y1++; e -= dx; }
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}
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}
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else
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{
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e = dx - dy / 2;
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for(; y1 <= y2; y1++, e += dx)
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{
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draw_pixel(x1, y1, rgb, z_order);
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if (e>0) { x1++; e -= dy; }
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}
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}
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}
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else if ((dx >= 0) && (dy < 0))
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{
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dy = -dy;
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if (dx >= dy)
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{
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e = dy - dx / 2;
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for(; x1 <= x2; x1++, e += dy)
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{
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draw_pixel(x1, y1, rgb, z_order);
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if (e>0) { y1--; e -= dx; }
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}
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}
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else
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{
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e = dx - dy / 2;
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for(; y1 >= y2; y1--, e += dx)
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{
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draw_pixel(x1, y1, rgb, z_order);
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if (e>0) { x1++; e -= dy; }
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}
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}
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}
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else if ((dx < 0) && (dy >= 0))
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{
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dx = -dx;
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if (dx >= dy)
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{
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e = dy - dx / 2;
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for(; x1 >= x2; x1--, e += dy)
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{
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draw_pixel(x1, y1, rgb, z_order);
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if (e>0) { y1++; e -= dx; }
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}
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}
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else
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{
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e = dx - dy / 2;
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for(; y1 <= y2; y1++, e += dx)
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{
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draw_pixel(x1, y1, rgb, z_order);
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if (e>0) { x1--; e -= dy; }
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}
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}
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}
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else if ((dx < 0) && (dy < 0))
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{
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dx = -dx;
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dy = -dy;
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if (dx >= dy)
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{
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e = dy - dx / 2;
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for(; x1 >= x2; x1--, e += dy)
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{
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draw_pixel(x1, y1, rgb, z_order);
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if (e>0) { y1--; e -= dx; }
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}
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}
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else
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{
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e = dx - dy / 2;
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while (y1-- >= y2)
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for(; y1 >= y2; y1--, e += dx)
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{
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draw_pixel(x1, y1, rgb, z_order);
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if (e>0) { x1--; e -= dy; }
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}
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}
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}
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}
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void c_surface::draw_rect(int x0, int y0, int x1, int y1, unsigned int rgb, unsigned int z_order, unsigned int size)
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{
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for (unsigned int offset = 0; offset < size; offset++)
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{
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draw_hline(x0 + offset, x1 - offset, y0 + offset, rgb, z_order);
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draw_hline(x0 + offset, x1 - offset, y1 - offset, rgb, z_order);
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draw_vline(x0 + offset, y0 + offset, y1 - offset, rgb, z_order);
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draw_vline(x1 - offset, y0 + offset, y1 - offset, rgb, z_order);
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}
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}
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int c_surface::set_frame_layer(c_rect& rect, unsigned int z_order)
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{
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if (rect == m_frame_layers[z_order].rect)
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{
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return 0;
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}
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if (rect.m_left < 0 || rect.m_left >= m_width ||
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rect.m_right < 0 || rect.m_right >= m_width ||
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rect.m_top < 0 || rect.m_top >= m_height ||
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rect.m_bottom < 0 || rect.m_bottom >=m_height)
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{
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ASSERT(FALSE);
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return -1;
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}
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if (!(z_order > Z_ORDER_LEVEL_0 && z_order < Z_ORDER_LEVEL_MAX))
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{
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ASSERT(FALSE);
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return -2;
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}
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if (z_order < m_top_zorder)
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{
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ASSERT(FALSE);
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return -3;
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}
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m_top_zorder = (Z_ORDER_LEVEL)z_order;
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c_rect old_rect = m_frame_layers[z_order].rect;
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//Recover the lower layer
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int src_zorder = (Z_ORDER_LEVEL)(z_order - 1);
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int display_width = m_display->get_width();
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int display_height = m_display->get_height();
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for (int y = old_rect.m_top; y <= old_rect.m_bottom; y++)
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{
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for (int x = old_rect.m_left; x <= old_rect.m_right; x++)
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{
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if (!rect.PtInRect(x, y))
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{
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unsigned int rgb = ((unsigned short*)(m_frame_layers[src_zorder].fb))[x + y * m_width];
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draw_pixel_on_fb(x, y, GL_RGB_16_to_32(rgb));
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}
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}
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}
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m_frame_layers[z_order].rect = rect;
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if (rect.IsEmpty())
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{
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m_top_zorder = (Z_ORDER_LEVEL)(z_order - 1);
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}
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return 0;
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}
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int c_surface::flush_scrren(int left, int top, int right, int bottom)
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{
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if(left < 0 || left >= m_width || right < 0 || right >= m_width ||
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top < 0 || top >= m_height || bottom < 0 || bottom >= m_height)
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{
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ASSERT(FALSE);
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}
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if(!m_is_active || (0 == m_phy_fb) || (0 == m_fb))
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{
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return -1;
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}
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int display_width = m_display->get_width();
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int display_height = m_display->get_height();
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left = (left >= display_width) ? (display_width - 1) : left;
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right = (right >= display_width) ? (display_width - 1) : right;
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top = (top >= display_height) ? (display_height - 1) : top;
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bottom = (bottom >= display_height) ? (display_height - 1) : bottom;
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for (int y = top; y < bottom; y++)
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{
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void* s_addr = (char*)m_fb + ((y * m_width + left) * m_color_bytes);
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void* d_addr = (char*)m_phy_fb + ((y * display_width + left) * m_color_bytes);
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memcpy(d_addr, s_addr, (right - left) * m_color_bytes);
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}
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*m_phy_write_index = *m_phy_write_index + 1;
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return 0;
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}
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bool c_surface::is_valid(c_rect rect)
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{
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if (rect.m_left < 0 || rect.m_top < 0)
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{
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return false;
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}
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if (rect.m_right >= m_width || rect.m_bottom >= m_height)
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{
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return false;
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}
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return true;
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}
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//////////////////////////////////////////////////////////////////////////////////////
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void c_surface_no_fb::fill_rect_on_fb(int x0, int y0, int x1, int y1, unsigned int rgb)
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{
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if (!m_gfx_op)
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{
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return;
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}
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if (m_gfx_op->fill_rect)
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{
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return m_gfx_op->fill_rect(x0, y0, x1, y1, rgb);
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}
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if (m_gfx_op->draw_pixel && m_is_active)
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{
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for (int y = y0; y <= y1; y++)
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{
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for (int x = x0; x <= x1; x++)
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{
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m_gfx_op->draw_pixel(x, y, rgb);
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}
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}
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}
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if (!m_fb) { return; }
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if(m_color_bytes == 4)
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{
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unsigned int *fb;
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for (int y = y0; y <= y1; y++)
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{
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fb = &((unsigned int*)m_fb)[y0 * m_width + x0];
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for (int x = x0; x <= x1; x++)
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{
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*fb++ = rgb;
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}
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}
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}
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else if (m_color_bytes == 2)
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{
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unsigned short *fb;
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rgb = GL_RGB_32_to_16(rgb);
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for (int y = y0; y <= y1; y++)
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{
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fb = &((unsigned short*)m_fb)[y0 * m_width + x0];
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for (int x = x0; x <= x1; x++)
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{
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*fb++ = rgb;
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}
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}
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}
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}
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void c_surface_no_fb::draw_pixel_on_fb(int x, int y, unsigned int rgb)
|
|
{
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if (m_gfx_op && m_gfx_op->draw_pixel && m_is_active)
|
|
{
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|
m_gfx_op->draw_pixel(x, y, rgb);
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|
}
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|
|
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if (!m_fb) { return; }
|
|
if (m_color_bytes == 4)
|
|
{
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|
((unsigned int*)m_fb)[y * m_width + x] = rgb;
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|
}
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|
else if (m_color_bytes == 2)
|
|
{
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|
((unsigned short*)m_fb)[y * m_width + x] = GL_RGB_32_to_16(rgb);
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|
}
|
|
}
|