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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/ge/ge_data_structure.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">数据结构设计</h1><div class="date inPage">29 Nov 2024</div><div style="color: gray;">
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Read time: 7 minute(s)
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</div><div class="- topic/body concept/conbody body conbody"><div class="- topic/p p" data-ofbid="d294968e22__20250121171801">GE 模块数据结构如下：<ul class="- topic/ul ul" id="ge_data_structure__ul_ogw_5cb_d1c" data-ofbid="ge_data_structure__ul_ogw_5cb_d1c"><li class="- topic/li li" data-ofbid="d294968e25__20250121171801"><strong class="+ topic/ph hi-d/b ph b">enum ge_pd_rules</strong><p class="- topic/p p" data-ofbid="d294968e28__20250121171801">Porter/Duff alpha
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混合规则枚举</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_data_structure__codeblock_w2q_vcb_d1c" data-ofbid="ge_data_structure__codeblock_w2q_vcb_d1c"><em class="hl-comment">/*
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* enum ge_pd_mode - graphics engine Porter/Duff alpha blending rules
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*
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* pixel = (source * fs + destination * fd)
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* sa = source alpha
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* da = destination alpha
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*
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* @GE_PD_NONE: fs: sa fd: 1.0-sa (defaults)
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* @GE_PD_CLEAR: fs: 0.0 fd: 0.0
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* @GE_PD_SRC: fs: 1.0 fd: 0.0
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* @GE_PD_SRC_OVER: fs: 1.0 fd: 1.0-sa
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* @GE_PD_DST_OVER: fs: 1.0-da fd: 1.0
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* @GE_PD_SRC_IN: fs: da fd: 0.0
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* @GE_PD_DST_IN: fs: 0.0 fd: sa
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* @GE_PD_SRC_OUT: fs: 1.0-da fd: 0.0
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* @GE_PD_DST_OUT: fs: 0.0 fd: 1.0-sa
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* @GE_PD_SRC_ATOP: fs: da fd: 1.0-sa
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* @GE_PD_DST_ATOP: fs: 1.0-da fd: sa
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* @GE_PD_ADD: fs: 1.0 fd: 1.0
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* @GE_PD_XOR: fs: 1.0-da fd: 1.0-sa
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* @GE_PD_DST: fs: 0.0 fd: 1.0
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*/</em>
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<strong class="hl-keyword">enum</strong> ge_pd_rules {
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GE_PD_NONE = <span class="hl-number">0</span>,
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GE_PD_CLEAR = <span class="hl-number">1</span>,
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GE_PD_SRC = <span class="hl-number">2</span>,
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GE_PD_SRC_OVER = <span class="hl-number">3</span>,
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GE_PD_DST_OVER = <span class="hl-number">4</span>,
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GE_PD_SRC_IN = <span class="hl-number">5</span>,
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GE_PD_DST_IN = <span class="hl-number">6</span>,
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GE_PD_SRC_OUT = <span class="hl-number">7</span>,
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GE_PD_DST_OUT = <span class="hl-number">8</span>,
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GE_PD_SRC_ATOP = <span class="hl-number">9</span>,
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GE_PD_DST_ATOP = <span class="hl-number">10</span>,
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GE_PD_ADD = <span class="hl-number">11</span>,
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GE_PD_XOR = <span class="hl-number">12</span>,
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GE_PD_DST = <span class="hl-number">13</span>,
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};</pre></li><li class="- topic/li li" data-ofbid="d294968e32__20250121171801"><strong class="+ topic/ph hi-d/b ph b">struct ge_ctrl</strong><p class="- topic/p p" data-ofbid="d294968e35__20250121171801">GE
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控制结构体</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_data_structure__codeblock_jqp_bdb_d1c" data-ofbid="ge_data_structure__codeblock_jqp_bdb_d1c"><span class="hl-tag-doctype-comment">/**
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* struct ge_ctrl - ge ctrl functions
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* @alpha_en
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* 0: enable Porter/Duff alpha blending
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* 1: disable Porter/Duff alpha blending
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* @alpha_rules: Porter/Duff alpha blending rules
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* @src_alpha_mode: source alpha mode
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* 0: pixel alpha mode(src_alpha = src_pixel_alpha)
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* 1: global alpha mode(src_alpha = src_global_alpha)
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* 2: mixded alpha mode(src_alpha = src_pixel_alpha * src_global_alpha / 255)
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* @src_global_alpha: source global alpha value (0~255)
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* used by global alpha mode and mixded alpha mode
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* @dst_alpha_mode: destination alpha mode
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* 0: pixel alpha mode(dst_alpha = dst_pixel_alpha)
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* 1: global alpha mode(dst_alpha = dst_global_alpha)
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* 2: mixded alpha mode(dst_alpha = dst_pixel_alpha * dst_global_alpha / 255)
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* @dst_global_alpha: destination global alpha value (0~255)
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* used by global alpha mode and mixed alpha mode
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* @ck_en
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* 0: disable color key
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* 1: enable color key
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* @ck_value: rgb value of color key to match the source pixels
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* bit[31:24]: reserved
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* bit[23:16]: R value
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* bit[15:8]: G value
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* bit[7:0]: B value
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* @dither_en(Not supported by IOC_GE_ROTATE)
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* 0: disable dither
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* 1: enable dither
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* @flags: the flags of some functions, such as scan order, src H/V flip
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* and src 90/180/270 degree rotation, the H flip, V flip
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* and rotation can be enabled at the same time, the effect
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* of flip is in front of rotation, only supported by IOC_GE_BITBLT
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* the flags was defined in mpp_types.h
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*/</span>
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<strong class="hl-keyword">struct</strong> ge_ctrl {
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<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> alpha_en;
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<strong class="hl-keyword">enum</strong> ge_pd_rules alpha_rules;
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<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> src_alpha_mode;
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<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> src_global_alpha;
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<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> dst_alpha_mode;
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<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> dst_global_alpha;
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<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> ck_en;
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<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> ck_value;
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<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> dither_en;
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<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> flags;
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};</pre></li><li class="- topic/li li" data-ofbid="d294968e39__20250121171801"><strong class="+ topic/ph hi-d/b ph b">enum
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ge_fillrect_type</strong><p class="- topic/p p" data-ofbid="d294968e42__20250121171801">颜色填充类型枚举</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_data_structure__codeblock_rgb_cdb_d1c" data-ofbid="ge_data_structure__codeblock_rgb_cdb_d1c"><em class="hl-comment">/*
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* enum ge_fillrect_type - the ge fill rectangle types:
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*
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* GE_NO_GRADIENT: No gradient is used, only use start_color to
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* fill rectangle, ignore end_color
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* GE_H_LINEAR_GRADIENT: Interpolates colors between start_color
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* and end_color in the horizontal direction
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* form left to right
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* GE_V_LINEAR_GRADIENT: Interpolates colors between start_color and
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* end_color in the vertical direction from top to
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* buttom
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*/</em>
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<strong class="hl-keyword">enum</strong> ge_fillrect_type {
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GE_NO_GRADIENT = <span class="hl-number">0</span>,
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GE_H_LINEAR_GRADIENT = <span class="hl-number">1</span>,
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GE_V_LINEAR_GRADIENT = <span class="hl-number">2</span>,
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};</pre></li><li class="- topic/li li" data-ofbid="d294968e46__20250121171801"><strong class="+ topic/ph hi-d/b ph b">struct
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ge_fillrect</strong>p<p class="- topic/p p" data-ofbid="d294968e50__20250121171801">矩形填充结构体</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_data_structure__codeblock_cbv_cdb_d1c" data-ofbid="ge_data_structure__codeblock_cbv_cdb_d1c"><span class="hl-tag-doctype-comment">/**
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* struct ge_fillrect - ge fill rectangle
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* @type: fill rect type
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* @start_color: start color(32 bits)
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* bit[31:24] alpha value
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* bit[23:16] r value
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* bit[15:8] g value
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* bit[7:0] b value
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* @end_color: end color(32 bits)
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* bit[31:24] alpha value
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* bit[23:16] r value
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* bit[15:8] g value
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* bit[7:0] b value
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* @dst_buf: the destination buffer
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* @ctrl: ge ctrl functions
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*/</span>
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<strong class="hl-keyword">struct</strong> ge_fillrect {
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<strong class="hl-keyword">enum</strong> ge_fillrect_type type;
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<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> start_color;
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<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> end_color;
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<strong class="hl-keyword">struct</strong> mpp_buf dst_buf;
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<strong class="hl-keyword">struct</strong> ge_ctrl ctrl;
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};
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<span class="hl-number">6.1</span>.<span class="hl-number">5.4</span>.<span class="hl-number">5.</span> <strong class="hl-keyword">struct</strong> ge_b</pre></li><li class="- topic/li li" data-ofbid="d294968e54__20250121171801"><strong class="+ topic/ph hi-d/b ph b">struct
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ge_bitblt</strong><p class="- topic/p p" data-ofbid="d294968e57__20250121171801">位块搬移结构体</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_data_structure__codeblock_xbm_2db_d1c" data-ofbid="ge_data_structure__codeblock_xbm_2db_d1c"><span class="hl-tag-doctype-comment">/**
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* struct ge_bitblt - ge bitblt
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* @src_buf: the source buffer
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* @dst_buf: the destination buffer
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* @ctrl: ge ctrl functions
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*/</span>
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<strong class="hl-keyword">struct</strong> ge_bitblt {
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<strong class="hl-keyword">struct</strong> mpp_buf src_buf;
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<strong class="hl-keyword">struct</strong> mpp_buf dst_buf;
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<strong class="hl-keyword">struct</strong> ge_ctrl ctrl;
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};</pre></li><li class="- topic/li li" data-ofbid="d294968e61__20250121171801"><strong class="+ topic/ph hi-d/b ph b">struct
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ge_bitblt</strong><p class="- topic/p p" data-ofbid="d294968e64__20250121171801">位块搬移结构体</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_data_structure__codeblock_syg_2db_d1c" data-ofbid="ge_data_structure__codeblock_syg_2db_d1c"><span class="hl-tag-doctype-comment">/**
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* struct ge_rotation - ge rotation
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* @src_buf: the source buffer
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* @dst_buf: the destination buffer
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* @src_rot_center: left-top x/y coordinate of src center
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* @dst_rot_center: left-top x/y coordinate of dst center
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* @angle_sin: 2.12 fixed point, the sin value of rotation angle
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* @angle_cos: 2.12 fixed point, the cos value of rotation angle
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* @ctrl: ge ctrl functions
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*/</span>
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<strong class="hl-keyword">struct</strong> ge_rotation {
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<strong class="hl-keyword">struct</strong> mpp_buf src_buf;
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<strong class="hl-keyword">struct</strong> mpp_buf dst_buf;
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<strong class="hl-keyword">struct</strong> mpp_point src_rot_center;
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<strong class="hl-keyword">struct</strong> mpp_point dst_rot_center;
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<strong class="hl-keyword">int</strong> angle_sin;
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<strong class="hl-keyword">int</strong> angle_cos;
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<strong class="hl-keyword">struct</strong> ge_ctrl ctrl;
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};</pre></li><li class="- topic/li li" data-ofbid="d294968e68__20250121171801">enum ge_mode<p class="- topic/p p" data-ofbid="d294968e70__20250121171801">GE
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模式枚举</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_data_structure__codeblock_zbp_2db_d1c" data-ofbid="ge_data_structure__codeblock_zbp_2db_d1c"><strong class="hl-keyword">enum</strong> ge_mode {
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GE_MODE_NORMAL,
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GE_MODE_CMDQ,
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};</pre></li></ul></div></div></article></main></div>
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</div>
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<script src="${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer="defer"></script>
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</body>
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</html> |